FreeCalypso > hg > fc-selenite
annotate src/nucleus/smse.c @ 42:2b8d11ddf653
tms470/makefile-frags: pruned import from Magnetite
| author | Mychaela Falconia <falcon@freecalypso.org> | 
|---|---|
| date | Tue, 17 Jul 2018 08:20:16 +0000 | 
| parents | 0f80e1e4dce4 | 
| children | 
| rev | line source | 
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7
 
0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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1 /*************************************************************************/ | 
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0f80e1e4dce4
src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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2 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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3 /* Copyright Mentor Graphics Corporation 2002 */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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4 /* All Rights Reserved. */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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5 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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6 /* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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7 /* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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8 /* SUBJECT TO LICENSE TERMS. */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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9 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
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10 /*************************************************************************/ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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11 | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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12 /*************************************************************************/ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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13 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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14 /* FILE NAME VERSION */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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15 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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16 /* smse.c Nucleus PLUS 1.14 */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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17 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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18 /* COMPONENT */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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19 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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20 /* SM - Semaphore Management */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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21 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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22 /* DESCRIPTION */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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23 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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24 /* This file contains the error checking routines for the */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
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25 /* supplemental functions of the Semaphore component. This permits */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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26 /* easy removal of error checking logic when it is not needed. */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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27 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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28 /* DATA STRUCTURES */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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29 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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30 /* None */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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31 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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32 /* FUNCTIONS */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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33 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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34 /* SMSE_Reset_Semaphore Reset a semaphore */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
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35 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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36 /* DEPENDENCIES */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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37 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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38 /* cs_extr.h Common Service functions */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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39 /* tc_extr.h Thread Control functions */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
changeset
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40 /* sm_extr.h Semaphore functions */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
diff
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41 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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42 /* HISTORY */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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43 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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44 /* DATE REMARKS */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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45 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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46 /* 03-01-1994 Created initial version 1.1 from */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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47 /* routines originally in core */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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48 /* error checking file */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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49 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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50 /* 03-18-1994 Verified version 1.1 */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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51 /* 04-17-1996 updated to version 1.2 */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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52 /* 03-24-1998 Released version 1.3 */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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53 /* 04-17-2002 Released version 1.13m */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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54 /* 11-07-2002 Released version 1.14 */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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55 /*************************************************************************/ | 
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src/nucleus: library C code import from FreeNucleus package
 
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56 #define NU_SOURCE_FILE | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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57 | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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58 | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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59 #include "cs_extr.h" /* Common service functions */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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60 #include "tc_extr.h" /* Thread control functions */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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61 #include "sm_extr.h" /* Semaphore functions */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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62 | 
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src/nucleus: library C code import from FreeNucleus package
 
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63 | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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64 | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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65 /*************************************************************************/ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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66 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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67 /* FUNCTION */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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68 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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69 /* SMSE_Reset_Semaphore */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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70 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
Mychaela Falconia <falcon@freecalypso.org> 
parents:  
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71 /* DESCRIPTION */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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72 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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73 /* This function performs error checking on the parameters supplied */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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74 /* to the reset semaphore function. */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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75 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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76 /* CALLED BY */ | 
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77 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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78 /* Application */ | 
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79 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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80 /* CALLS */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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81 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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82 /* SMS_Reset_Semaphore Actual reset semaphore func. */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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83 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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84 /* INPUTS */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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85 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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86 /* semaphore_ptr Semaphore control block ptr */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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87 /* initial_count Initial count to reset the */ | 
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88 /* semaphore to */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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89 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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90 /* OUTPUTS */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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91 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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92 /* NU_INVALID_SEMAPHORE Invalid semaphore pointer */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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93 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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94 /* HISTORY */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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95 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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96 /* DATE REMARKS */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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97 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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98 /* 03-01-1993 Created initial version 1.0 */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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99 /* 04-19-1993 Verified version 1.0 */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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100 /* 03-01-1994 Modified function interface, */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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101 /* resulting in version 1.1 */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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102 /* */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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parents:  
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103 /* 03-18-1994 Verified version 1.1 */ | 
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src/nucleus: library C code import from FreeNucleus package
 
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104 /* */ | 
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105 /*************************************************************************/ | 
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106 STATUS SMSE_Reset_Semaphore(NU_SEMAPHORE *semaphore_ptr, | 
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107 UNSIGNED initial_count) | 
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108 { | 
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109 | 
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110 SM_SCB *semaphore; /* Semaphore control blk ptr */ | 
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111 STATUS status; /* Completion status */ | 
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112 | 
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113 | 
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114 /* Move input semaphore pointer into internal pointer. */ | 
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115 semaphore = (SM_SCB *) semaphore_ptr; | 
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116 | 
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117 /* Determine if the semaphore pointer is valid. */ | 
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118 if ((semaphore) && (semaphore -> sm_id == SM_SEMAPHORE_ID)) | 
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119 | 
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120 /* Semaphore pointer is valid, call function to reset it. */ | 
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121 status = SMS_Reset_Semaphore(semaphore_ptr, initial_count); | 
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122 | 
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123 else | 
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124 | 
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125 /* Semaphore pointer is invalid, indicate in completion status. */ | 
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126 status = NU_INVALID_SEMAPHORE; | 
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127 | 
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128 /* Return completion status. */ | 
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129 return(status); | 
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130 } | 
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131 | 
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132 | 
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133 | 
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134 | 
