FreeCalypso > hg > fc-selenite
annotate src/nucleus/pif.c @ 74:d076885a0669
src/nucleus/gcc: initial import from Citrine
| author | Mychaela Falconia <falcon@freecalypso.org> | 
|---|---|
| date | Fri, 20 Jul 2018 05:40:33 +0000 | 
| parents | 0f80e1e4dce4 | 
| children | 
| rev | line source | 
|---|---|
| 
7
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
1 /*************************************************************************/ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
2 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
3 /* Copyright Mentor Graphics Corporation 2002 */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
4 /* All Rights Reserved. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
5 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
6 /* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
7 /* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
8 /* SUBJECT TO LICENSE TERMS. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
9 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
10 /*************************************************************************/ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
11 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
12 /*************************************************************************/ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
13 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
14 /* FILE NAME VERSION */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
15 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
16 /* pif.c Nucleus PLUS 1.14 */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
17 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
18 /* COMPONENT */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
19 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
20 /* PI - Pipe Management */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
21 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
22 /* DESCRIPTION */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
23 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
24 /* This file contains routines to obtain facts about the Pipe */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
25 /* management component. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
26 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
27 /* DATA STRUCTURES */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
28 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
29 /* None */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
30 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
31 /* FUNCTIONS */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
32 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
33 /* PIF_Established_Pipes Number of created pipes */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
34 /* PIF_Pipe_Information Retrieve pipe information */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
35 /* PIF_Pipe_Pointers Build pipe pointer list */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
36 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
37 /* DEPENDENCIES */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
38 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
39 /* cs_extr.h Common Service functions */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
40 /* tc_extr.h Thread Control functions */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
41 /* pi_extr.h Pipe functions */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
42 /* hi_extr.h History functions */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
43 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
44 /* HISTORY */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
45 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
46 /* DATE REMARKS */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
47 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
48 /* 03-01-1994 Initial version of pipe fact */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
49 /* service file, version 1.1 */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
50 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
51 /* 03-18-1994 Verified version 1.1 */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
52 /* 04-17-1996 updated to version 1.2 */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
53 /* 11-18-1996 Protected Informational service */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
54 /* from NULL Control Block pointers */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
55 /* creating 1.2a. (SPR220) */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
56 /* 03-24-1998 Released version 1.3 */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
57 /* 03-26-1999 Released 1.11m (new release */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
58 /* numbering scheme) */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
59 /* 04-17-2002 Released version 1.13m */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
60 /* 11-07-2002 Released version 1.14 */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
61 /*************************************************************************/ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
62 #define NU_SOURCE_FILE | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
63 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
64 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
65 #include "cs_extr.h" /* Common service functions */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
66 #include "tc_extr.h" /* Thread control functions */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
67 #include "pi_extr.h" /* Pipe functions */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
68 #include "hi_extr.h" /* History functions */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
69 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
70 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
71 /* Define external inner-component global data references. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
72 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
73 extern CS_NODE *PID_Created_Pipes_List; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
74 extern UNSIGNED PID_Total_Pipes; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
75 extern TC_PROTECT PID_List_Protect; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
76 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
77 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
78 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
79 /*************************************************************************/ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
80 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
81 /* FUNCTION */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
82 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
83 /* PIF_Established_Pipes */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
84 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
85 /* DESCRIPTION */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
86 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
87 /* This function returns the current number of established */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
88 /* pipes. Pipes previously deleted are no longer considered */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
89 /* established. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
90 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
91 /* CALLED BY */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
92 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
93 /* Application */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
94 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
95 /* CALLS */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
96 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
97 /* [TCT_Check_Stack] Stack checking function */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
98 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
99 /* INPUTS */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
100 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
101 /* None */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
102 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
103 /* OUTPUTS */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
104 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
105 /* PID_Total_Pipes Number of established */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
106 /* pipes */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
107 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
108 /* HISTORY */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
109 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
110 /* DATE REMARKS */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
111 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
112 /* 03-01-1993 Created initial version 1.0 */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
113 /* 04-19-1993 Verified version 1.0 */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
114 /* 03-01-1994 Modified function interface, */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
115 /* resulting in version 1.1 */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
116 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
117 /* 03-18-1994 Verified version 1.1 */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
118 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
119 /*************************************************************************/ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
120 UNSIGNED PIF_Established_Pipes(VOID) | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
121 { | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
122 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
123 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
124 #ifdef NU_ENABLE_STACK_CHECK | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
125 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
126 /* Call stack checking function to check for an overflow condition. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
127 TCT_Check_Stack(); | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
128 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
129 #endif | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
130 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
131 /* Return the number of established pipes. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
132 return(PID_Total_Pipes); | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
133 } | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
134 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
135 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
136 /*************************************************************************/ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
137 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
138 /* FUNCTION */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
139 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
140 /* PIF_Pipe_Pointers */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
141 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
142 /* DESCRIPTION */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
143 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
144 /* This function builds a list of pipe pointers, starting at the */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
145 /* specified location. The number of pipe pointers placed in the */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
146 /* list is equivalent to the total number of pipes or the maximum */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
147 /* number of pointers specified in the call. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
148 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
149 /* CALLED BY */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
150 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
151 /* Application */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
152 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
153 /* CALLS */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
154 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
155 /* [TCT_Check_Stack] Stack checking function */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
156 /* TCT_Protect Protect created list */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
157 /* TCT_Unprotect Release protection */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
158 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
159 /* INPUTS */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
160 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
161 /* pointer_list Pointer to the list area */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
162 /* maximum_pointers Maximum number of pointers */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
163 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
164 /* OUTPUTS */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
165 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
166 /* pointers Number of pipe pointers */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
167 /* placed in the list */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
168 /* HISTORY */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
169 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
170 /* DATE REMARKS */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
171 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
172 /* 03-01-1993 Created initial version 1.0 */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
173 /* 04-19-1993 Verified version 1.0 */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
174 /* 08-09-1993 Corrected pointer retrieval */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
175 /* loop, resulting in version 1.0a */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
176 /* 08-09-1993 Verified version 1.0a */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
177 /* 03-01-1994 Modified function interface, */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
178 /* resulting in version 1.1 */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
179 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
180 /* 03-18-1994 Verified version 1.1 */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
181 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
182 /*************************************************************************/ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
183 UNSIGNED PIF_Pipe_Pointers(NU_PIPE **pointer_list,UNSIGNED maximum_pointers) | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
184 { | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
185 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
186 CS_NODE *node_ptr; /* Pointer to each QCB */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
187 UNSIGNED pointers; /* Number of pointers in list*/ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
188 NU_SUPERV_USER_VARIABLES | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
189 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
190 /* Switch to supervisor mode */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
191 NU_SUPERVISOR_MODE(); | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
192 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
193 #ifdef NU_ENABLE_STACK_CHECK | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
194 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
195 /* Call stack checking function to check for an overflow condition. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
196 TCT_Check_Stack(); | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
197 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
198 #endif | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
199 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
200 /* Initialize the number of pointers returned. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
201 pointers = 0; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
202 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
203 /* Protect against access to the list of created pipes. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
204 TCT_Protect(&PID_List_Protect); | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
205 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
206 /* Loop until all pipe pointers are in the list or until the maximum | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
207 list size is reached. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
208 node_ptr = PID_Created_Pipes_List; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
209 while ((node_ptr) && (pointers < maximum_pointers)) | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
210 { | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
211 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
212 /* Place the node into the destination list. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
213 *pointer_list++ = (NU_PIPE *) node_ptr; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
214 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
215 /* Increment the pointers variable. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
216 pointers++; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
217 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
218 /* Position the node pointer to the next node. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
219 node_ptr = node_ptr -> cs_next; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
220 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
221 /* Determine if the pointer is at the head of the list. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
222 if (node_ptr == PID_Created_Pipes_List) | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
223 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
224 /* The list search is complete. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
225 node_ptr = NU_NULL; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
226 } | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
227 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
228 /* Release protection against access to the list of created pipes. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
229 TCT_Unprotect(); | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
230 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
231 /* Return to user mode */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
232 NU_USER_MODE(); | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
233 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
234 /* Return the number of pointers in the list. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
235 return(pointers); | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
236 } | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
237 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
238 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
239 /*************************************************************************/ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
240 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
241 /* FUNCTION */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
242 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
243 /* PIF_Pipe_Information */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
244 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
245 /* DESCRIPTION */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
246 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
247 /* This function returns information about the specified pipe. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
248 /* However, if the supplied pipe pointer is invalid, the */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
249 /* function simply returns an error status. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
250 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
251 /* CALLED BY */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
252 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
253 /* Application */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
254 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
255 /* CALLS */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
256 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
257 /* [TCT_Check_Stack] Stack checking function */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
258 /* TCT_System_Protect Protect pipe */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
259 /* TCT_Unprotect Release protection */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
260 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
261 /* INPUTS */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
262 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
263 /* pipe_ptr Pointer to the pipe */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
264 /* name Destination for the name */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
265 /* start_address Destination for the start */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
266 /* address of the pipe */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
267 /* pipe_size Destination for pipe size */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
268 /* available Destination for available */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
269 /* room in pipe */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
270 /* messages Destination for number of */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
271 /* messages piped */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
272 /* message_type Destination for message type */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
273 /* message_size Destination for message size */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
274 /* suspend_type Destination for suspension */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
275 /* type */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
276 /* tasks_waiting Destination for the tasks */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
277 /* waiting count */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
278 /* first_task Destination for the pointer */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
279 /* to the first task waiting */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
280 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
281 /* OUTPUTS */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
282 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
283 /* NU_SUCCESS If a valid pipe pointer */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
284 /* is supplied */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
285 /* NU_INVALID_PIPE If pipe pointer invalid */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
286 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
287 /* HISTORY */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
288 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
289 /* DATE REMARKS */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
290 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
291 /* 03-01-1993 Created initial version 1.0 */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
292 /* 04-19-1993 Verified version 1.0 */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
293 /* 03-01-1994 Modified function interface, */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
294 /* resulting in version 1.1 */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
295 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
296 /* 03-18-1994 Verified version 1.1 */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
297 /* 11-18-1996 Corrected SPR220 */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
298 /* */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
299 /*************************************************************************/ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
300 STATUS PIF_Pipe_Information(NU_PIPE *pipe_ptr, CHAR *name, | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
301 VOID **start_address, UNSIGNED *pipe_size, | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
302 UNSIGNED *available, UNSIGNED *messages, | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
303 OPTION *message_type, UNSIGNED *message_size, | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
304 OPTION *suspend_type, UNSIGNED *tasks_waiting, | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
305 NU_TASK **first_task) | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
306 { | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
307 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
308 PI_PCB *pipe; /* Pipe control block ptr */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
309 INT i; /* Working integer variable */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
310 STATUS completion; /* Completion status */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
311 NU_SUPERV_USER_VARIABLES | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
312 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
313 /* Switch to supervisor mode */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
314 NU_SUPERVISOR_MODE(); | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
315 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
316 /* Move input pipe pointer into internal pointer. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
317 pipe = (PI_PCB *) pipe_ptr; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
318 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
319 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
320 #ifdef NU_ENABLE_STACK_CHECK | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
321 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
322 /* Call stack checking function to check for an overflow condition. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
323 TCT_Check_Stack(); | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
324 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
325 #endif | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
326 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
327 /* Determine if this pipe id is valid. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
328 if ((pipe != NU_NULL) && (pipe -> pi_id == PI_PIPE_ID)) | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
329 { | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
330 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
331 /* Setup protection of the pipe. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
332 TCT_System_Protect(); | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
333 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
334 /* The pipe pointer is valid. Reflect this in the completion | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
335 status and fill in the actual information. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
336 completion = NU_SUCCESS; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
337 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
338 /* Copy the pipe's name. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
339 for (i = 0; i < NU_MAX_NAME; i++) | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
340 *name++ = pipe -> pi_name[i]; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
341 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
342 /* Determine the suspension type. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
343 if (pipe -> pi_fifo_suspend) | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
344 *suspend_type = NU_FIFO; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
345 else | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
346 *suspend_type = NU_PRIORITY; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
347 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
348 /* Determine the message type. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
349 if (pipe -> pi_fixed_size) | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
350 *message_type = NU_FIXED_SIZE; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
351 else | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
352 *message_type = NU_VARIABLE_SIZE; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
353 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
354 /* Get various information about the pipe. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
355 *start_address = (VOID *) pipe -> pi_start; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
356 *pipe_size = pipe -> pi_pipe_size; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
357 *available = pipe -> pi_available; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
358 *messages = pipe -> pi_messages; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
359 *message_size = pipe -> pi_message_size; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
360 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
361 /* Retrieve the number of tasks waiting and the pointer to the | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
362 first task waiting. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
363 *tasks_waiting = pipe -> pi_tasks_waiting; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
364 if (pipe -> pi_suspension_list) | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
365 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
366 /* There is a task waiting. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
367 *first_task = (NU_TASK *) | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
368 (pipe -> pi_suspension_list) -> pi_suspended_task; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
369 else | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
370 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
371 /* There are no tasks waiting. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
372 *first_task = NU_NULL; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
373 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
374 /* Release protection of the pipe. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
375 TCT_Unprotect(); | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
376 } | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
377 else | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
378 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
379 /* Indicate that the pipe pointer is invalid. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
380 completion = NU_INVALID_PIPE; | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
381 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
382 /* Return to user mode */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
383 NU_USER_MODE(); | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
384 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
385 /* Return the appropriate completion status. */ | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
386 return(completion); | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
387 } | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
388 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
389 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
390 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
391 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
392 | 
| 
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
 | 
393 | 
