FreeCalypso > hg > fc-selenite
annotate src/g23m-aci/gdd_dio/gdd_dio_con_mgr.c @ 197:4ec995864679
targets/gtm900mgc.h: sync with Magnetite (TARGET_HAS_LPG)
| author | Mychaela Falconia <falcon@freecalypso.org> | 
|---|---|
| date | Thu, 28 May 2020 05:29:09 +0000 | 
| parents | d393cd9bb723 | 
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| rev | line source | 
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changeset | 1 /* | 
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changeset | 2 +----------------------------------------------------------------------------- | 
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changeset | 3 | File : gdd_dio_con_mgr.c | 
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changeset | 4 +----------------------------------------------------------------------------- | 
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changeset | 5 | Copyright 2002 Texas Instruments Berlin, AG | 
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changeset | 6 | All rights reserved. | 
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changeset | 7 | | 
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changeset | 8 | This file is confidential and a trade secret of Texas | 
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changeset | 9 | Instruments Berlin, AG | 
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changeset | 10 | The receipt of or possession of this file does not convey | 
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changeset | 11 | any rights to reproduce or disclose its contents or to | 
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changeset | 12 | manufacture, use, or sell anything it may describe, in | 
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changeset | 13 | whole, or in part, without the specific written consent of | 
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changeset | 14 | Texas Instruments Berlin, AG. | 
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changeset | 15 +----------------------------------------------------------------------------- | 
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changeset | 16 | Purpose : Implements connection management functions | 
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changeset | 17 +----------------------------------------------------------------------------- | 
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changeset | 18 */ | 
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changeset | 19 | 
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changeset | 20 | 
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changeset | 21 #define ENTITY_GDD_DIO | 
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changeset | 22 | 
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changeset | 23 /*==== INCLUDES =============================================================*/ | 
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changeset | 24 | 
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changeset | 25 #include "typedefs.h" /* to get Condat data types */ | 
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changeset | 26 #include "vsi.h" /* to get a lot of macros */ | 
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changeset | 27 #include "prim.h" /* to get the definitions of used SAP and directions */ | 
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changeset | 28 #include "dti.h" | 
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changeset | 29 | 
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changeset | 30 #include "gdd_dio.h" /* to get the global entity definitions */ | 
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changeset | 31 #include "gdd_dio_queue.h" | 
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changeset | 32 #include "gdd_dio_con_mgr.h" | 
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changeset | 33 | 
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changeset | 34 #include <string.h> | 
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changeset | 35 | 
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changeset | 36 | 
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changeset | 37 /*==== DEFINITIONS ==========================================================*/ | 
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changeset | 38 | 
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changeset | 39 #define ENTER_CRITICAL_SECTION(sem) if (gdd_enter_critical_section(sem))return -1; | 
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changeset | 40 #define LEAVE_CRITICAL_SECTION(sem) if (gdd_leave_critical_section(sem))return -1; | 
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changeset | 41 | 
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changeset | 42 | 
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changeset | 43 /*==== CONST ================================================================*/ | 
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changeset | 44 | 
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changeset | 45 /*==== LOCAL VARS ===========================================================*/ | 
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changeset | 46 | 
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changeset | 47 static T_HANDLE sem_GDD_DIO_CON; | 
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changeset | 48 | 
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changeset | 49 /*==== PRIVATE FUNCTIONS ====================================================*/ | 
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changeset | 50 | 
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changeset | 51 LOCAL int get_free_connection_slot(T_GDD_DIO_DATA * gdd_dio_data, | 
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changeset | 52 T_GDD_DIO_CON_DATA ** con_data /*output*/); | 
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changeset | 53 static void gdd_semaphore_err (void); | 
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changeset | 54 static int gdd_enter_critical_section (T_HANDLE sem); | 
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changeset | 55 static int gdd_leave_critical_section (T_HANDLE sem); | 
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changeset | 56 | 
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changeset | 57 | 
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changeset | 58 /*==== PUBLIC FUNCTIONS =====================================================*/ | 
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changeset | 59 | 
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changeset | 60 | 
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changeset | 61 /* Initializes the connection manager */ | 
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changeset | 62 | 
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changeset | 63 GLOBAL void gdd_dio_con_mgr_init (T_GDD_DIO_DATA * gdd_dio_data) | 
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changeset | 64 { | 
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changeset | 65 int i; | 
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changeset | 66 T_GDD_DIO_CON_DATA * con_data = gdd_dio_data->con_arr; | 
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changeset | 67 | 
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changeset | 68 TRACE_FUNCTION( "[GDD] conn_init()" ); | 
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changeset | 69 | 
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changeset | 70 for(i = 0; i < gdd_dio_data->max_con; ++i, ++con_data) | 
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changeset | 71 { | 
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changeset | 72 con_data->con_state = GDD_DIO_CON_DEAD; | 
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changeset | 73 } | 
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changeset | 74 | 
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changeset | 75 sem_GDD_DIO_CON = vsi_s_open (VSI_CALLER "SEM_GDD_CON",1); | 
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changeset | 76 if (sem_GDD_DIO_CON EQ VSI_ERROR) | 
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changeset | 77 vsi_o_ttrace(VSI_CALLER TC_EVENT, "canīt open semaphore \"SEM_GDD_CON\""); | 
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changeset | 78 } | 
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changeset | 79 | 
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changeset | 80 | 
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changeset | 81 /* Setup a new DIO connection */ | 
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changeset | 82 | 
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changeset | 83 GLOBAL GDD_RESULT gdd_dio_con_mgr_new | 
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changeset | 84 ( T_GDD_DIO_DATA * gdd_dio_data, | 
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changeset | 85 T_GDD_CON_HANDLE * con_handle, | 
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changeset | 86 const T_GDD_CAP * cap, | 
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changeset | 87 T_GDD_RECEIVE_DATA_CB rcv_cb, | 
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changeset | 88 T_GDD_SIGNAL_CB sig_cb ) | 
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changeset | 89 { | 
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changeset | 90 T_GDD_DIO_CON_DATA * con_data = 0; | 
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changeset | 91 | 
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changeset | 92 TRACE_FUNCTION("[GDD] conn_new()"); | 
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changeset | 93 | 
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changeset | 94 if(get_free_connection_slot(gdd_dio_data, &con_data) NEQ 0) | 
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changeset | 95 { | 
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changeset | 96 TRACE_ERROR("Failed to get new connection slot"); | 
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changeset | 97 return GDD_NO_CONNECTION_SLOT; | 
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changeset | 98 } | 
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changeset | 99 | 
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changeset | 100 gdd_dio_queue_clear(&con_data->rx_queue); | 
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changeset | 101 gdd_dio_queue_clear(&con_data->tx_queue); | 
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changeset | 102 | 
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changeset | 103 con_data->wait_send_buf = FALSE; | 
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changeset | 104 | 
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changeset | 105 con_data->rcv_cb = rcv_cb; | 
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changeset | 106 con_data->sig_cb = sig_cb; | 
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changeset | 107 | 
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changeset | 108 con_data->dio_cap.device_type = DIO_TYPE_PKT; | 
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changeset | 109 con_data->dio_cap.device_flags = 0; | 
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changeset | 110 con_data->dio_cap.mtu_control = 0; | 
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changeset | 111 con_data->dio_cap.mtu_data = (U16)((T_GDD_DIO_CAP *)cap)->mtu_size; | 
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changeset | 112 con_data->dio_cap.driver_name = "GDD"; | 
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changeset | 113 | 
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changeset | 114 (*con_handle) = con_data->dio_device; | 
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changeset | 115 | 
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changeset | 116 | 
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changeset | 117 gdd_dio_send_signal_to_dio(con_data, DRV_SIGTYPE_CONNECT); | 
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changeset | 118 | 
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changeset | 119 return GDD_OK; | 
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changeset | 120 } | 
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changeset | 121 | 
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changeset | 122 | 
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changeset | 123 /* Close a connection */ | 
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changeset | 124 | 
| 
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changeset | 125 GLOBAL GDD_RESULT gdd_dio_con_mgr_close | 
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changeset | 126 ( T_GDD_CON_HANDLE con_handle ) | 
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changeset | 127 { | 
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changeset | 128 T_GDD_INST_ID inst = (T_GDD_INST_ID)inst_num_from_dev_id(con_handle); | 
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changeset | 129 T_GDD_DIO_CON_DATA * con_data; | 
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changeset | 130 | 
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changeset | 131 TRACE_FUNCTION( "[GDD] gdd_dio_con_mgr_close()" ); | 
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changeset | 132 | 
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changeset | 133 con_data = get_con_data(&(gdd_dio_data_base[inst]), con_handle); | 
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changeset | 134 if(con_data EQ NULL) | 
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changeset | 135 { | 
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changeset | 136 TRACE_ERROR("Failed to get connection data"); | 
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changeset | 137 return GDD_INTERNAL_ERROR; | 
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changeset | 138 } | 
| 
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changeset | 139 | 
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changeset | 140 con_data->con_state = GDD_DIO_CON_CLOSE; | 
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changeset | 141 | 
| 
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changeset | 142 gdd_dio_send_signal_to_dio(con_data, DRV_SIGTYPE_DISCONNECT); | 
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changeset | 143 | 
| 
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changeset | 144 return GDD_OK; | 
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changeset | 145 } | 
| 
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changeset | 146 | 
| 
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changeset | 147 | 
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changeset | 148 /* Mark a connection as dead */ | 
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changeset | 149 | 
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changeset | 150 GDD_RESULT gdd_dio_con_mgr_mark_dead( T_GDD_CON_HANDLE con_handle ) | 
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changeset | 151 { | 
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changeset | 152 T_GDD_INST_ID inst = (T_GDD_INST_ID)inst_num_from_dev_id(con_handle); | 
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changeset | 153 T_GDD_DIO_CON_DATA * con_data; | 
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changeset | 154 | 
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changeset | 155 TRACE_FUNCTION( "[GDD] gdd_dio_con_mgr_mark_dead()" ); | 
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changeset | 156 | 
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changeset | 157 con_data = get_con_data(&(gdd_dio_data_base[inst]), con_handle); | 
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changeset | 158 if(con_data EQ NULL) | 
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changeset | 159 { | 
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changeset | 160 TRACE_ERROR("Failed to get connection data"); | 
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changeset | 161 return GDD_INTERNAL_ERROR; | 
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changeset | 162 } | 
| 
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changeset | 163 | 
| 
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changeset | 164 /* Clear the connection slot | 
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changeset | 165 - it's sufficient to set state and nullify handle */ | 
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changeset | 166 con_data->con_state = GDD_DIO_CON_DEAD; | 
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changeset | 167 | 
| 
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changeset | 168 return GDD_OK; | 
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changeset | 169 } | 
| 
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changeset | 170 | 
| 
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changeset | 171 | 
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changeset | 172 /* Check if any of the connections is (still) open or in connecting state. */ | 
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changeset | 173 | 
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changeset | 174 BOOL gdd_dio_con_mgr_has_open_connection | 
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changeset | 175 ( const T_GDD_DIO_DATA * gdd_dio_data ) | 
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changeset | 176 { | 
| 
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changeset | 177 int i; | 
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changeset | 178 T_GDD_DIO_CON_DATA * con_data = gdd_dio_data->con_arr; | 
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changeset | 179 | 
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changeset | 180 TRACE_FUNCTION( "[GDD] gdd_dio_con_mgr_has_open_connection()" ); | 
| 
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changeset | 181 | 
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changeset | 182 for(i = 0; i < gdd_dio_data->max_con; ++i, ++con_data) | 
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changeset | 183 { | 
| 
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changeset | 184 if(con_data->con_state EQ GDD_DIO_CON_READY || | 
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changeset | 185 con_data->con_state EQ GDD_DIO_CON_SENDING || | 
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changeset | 186 con_data->con_state EQ GDD_DIO_CON_CONNECT) | 
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changeset | 187 { | 
| 
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changeset | 188 return TRUE; | 
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changeset | 189 } | 
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changeset | 190 } | 
| 
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changeset | 191 return FALSE; | 
| 
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changeset | 192 } | 
| 
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changeset | 193 | 
| 
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changeset | 194 | 
| 
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changeset | 195 /* Get the connection data for a given instance & handle */ | 
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changeset | 196 | 
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changeset | 197 GLOBAL T_GDD_DIO_CON_DATA * get_con_data(const T_GDD_DIO_DATA * gdd_dio_data, | 
| 
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changeset | 198 T_GDD_CON_HANDLE con_handle) | 
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changeset | 199 { | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 200 int i; | 
| 
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changeset | 201 | 
| 
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changeset | 202 /* Deliberately NO tracing */ | 
| 
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changeset | 203 | 
| 
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changeset | 204 for(i=0; i<gdd_dio_data->max_con; ++i) | 
| 
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changeset | 205 { | 
| 
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changeset | 206 if(gdd_dio_data->con_arr[i].dio_device EQ con_handle) | 
| 
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changeset | 207 return &gdd_dio_data->con_arr[i]; | 
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changeset | 208 } | 
| 
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changeset | 209 return NULL; | 
| 
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changeset | 210 } | 
| 
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changeset | 211 | 
| 
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changeset | 212 | 
| 
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changeset | 213 | 
| 
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changeset | 214 /* Get the connection data for a given handle only */ | 
| 
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changeset | 215 | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 216 GLOBAL T_GDD_DIO_CON_DATA * get_con_data_from_handle(T_GDD_CON_HANDLE con_handle) | 
| 
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changeset | 217 { | 
| 
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changeset | 218 T_GDD_INST_ID inst; | 
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changeset | 219 | 
| 
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changeset | 220 /* Deliberately NO tracing */ | 
| 
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changeset | 221 | 
| 
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changeset | 222 inst = (T_GDD_INST_ID)inst_num_from_dev_id(con_handle); | 
| 
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changeset | 223 | 
| 
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changeset | 224 if(inst < 0 || inst >= GDD_NUM_INSTS) | 
| 
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changeset | 225 { | 
| 
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changeset | 226 return 0; | 
| 
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changeset | 227 } | 
| 
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changeset | 228 | 
| 
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changeset | 229 return get_con_data(&(gdd_dio_data_base[inst]), con_handle); | 
| 
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changeset | 230 } | 
| 
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changeset | 231 | 
| 
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changeset | 232 | 
| 
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changeset | 233 /* Send a DIO signal via the specificed connection */ | 
| 
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changeset | 234 | 
| 
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changeset | 235 void gdd_dio_send_signal_to_dio | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 236 (T_GDD_DIO_CON_DATA * con_data, U16 sig_type) | 
| 
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changeset | 237 { | 
| 
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changeset | 238 T_DRV_SIGNAL drv_signal; | 
| 
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changeset | 239 T_GDD_DIO_DATA * inst_data; | 
| 
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changeset | 240 char * sig_type_str; | 
| 
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changeset | 241 | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 242 TRACE_USER_CLASS(TC_FUNC_DATA_FLOW, "[GDD] gdd_dio_send_signal_to_dio()"); | 
| 
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changeset | 243 | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 244 inst_data = &gdd_dio_data_base[inst_num_from_dev_id(con_data->dio_device)]; | 
| 
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changeset | 245 | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 246 switch (sig_type) | 
| 
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changeset | 247 { | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 248 case DRV_SIGTYPE_WRITE: sig_type_str = "DRV_SIGTYPE_WRITE"; break; | 
| 
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changeset | 249 case DRV_SIGTYPE_READ: sig_type_str = "DRV_SIGTYPE_READ"; break; | 
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changeset | 250 case DRV_SIGTYPE_CONNECT: sig_type_str = "DRV_SIGTYPE_CONNECT"; break; | 
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changeset | 251 case DRV_SIGTYPE_DISCONNECT: sig_type_str = "DRV_SIGTYPE_DISCONNECT"; break; | 
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changeset | 252 default: sig_type_str = "ununsed signal type"; break; | 
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changeset | 253 } | 
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changeset | 254 | 
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changeset | 255 TRACE_USER_CLASS_P2(TC_SIGNALS, "[GDD] Sending signal %s to DIO IL (con_handle=0x%4x)", sig_type_str, con_data->dio_device); | 
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changeset | 256 | 
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changeset | 257 drv_signal.SignalType = sig_type; | 
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changeset | 258 drv_signal.DrvHandle = inst_data->drv_handle; | 
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changeset | 259 drv_signal.DataLength = sizeof(U32); | 
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changeset | 260 drv_signal.UserData = &(con_data->dio_device); | 
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changeset | 261 (*(inst_data->signal_callback))(&drv_signal); | 
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changeset | 262 } | 
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changeset | 263 | 
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changeset | 264 | 
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changeset | 265 /*==== PRIVATE FUNCTIONS =====================================================*/ | 
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changeset | 266 | 
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changeset | 267 /* | 
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changeset | 268 +------------------------------------------------------------------------------ | 
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changeset | 269 | Function : get_free_connection_slot | 
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changeset | 270 +------------------------------------------------------------------------------ | 
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changeset | 271 | Description : Find the next free connection slot for given instance. | 
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changeset | 272 | | 
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changeset | 273 | Parameters : gdd_dio_data - pointer to instance data | 
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changeset | 274 | con_data - pointer to pointer to connection data (output) | 
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changeset | 275 | | 
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changeset | 276 | Returns : 0 - Success (con_data has been set) | 
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changeset | 277 | -1 - Failed (no slot found) | 
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changeset | 278 +------------------------------------------------------------------------------ | 
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changeset | 279 */ | 
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changeset | 280 LOCAL int get_free_connection_slot(T_GDD_DIO_DATA * gdd_dio_data, | 
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changeset | 281 T_GDD_DIO_CON_DATA ** con_data /*output*/) | 
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changeset | 282 { | 
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changeset | 283 int i; | 
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changeset | 284 | 
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changeset | 285 TRACE_FUNCTION( "[GDD] get_free_connection_slot()" ); | 
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changeset | 286 | 
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changeset | 287 ENTER_CRITICAL_SECTION(sem_GDD_DIO_CON); | 
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changeset | 288 | 
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changeset | 289 for(i = 0; i < gdd_dio_data->max_con; ++i) | 
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changeset | 290 { | 
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changeset | 291 if(gdd_dio_data->device_range_start+i <= gdd_dio_data->device_range_end) | 
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changeset | 292 { | 
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changeset | 293 if(gdd_dio_data->con_arr[i].con_state EQ GDD_DIO_CON_DEAD) | 
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changeset | 294 { | 
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changeset | 295 gdd_dio_data->con_arr[i].dio_device = gdd_dio_data->device_range_start+i; | 
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changeset | 296 *con_data = &(gdd_dio_data->con_arr[i]); | 
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changeset | 297 (*con_data)->con_state = GDD_DIO_CON_CONNECT; | 
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changeset | 298 | 
| 
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changeset | 299 LEAVE_CRITICAL_SECTION(sem_GDD_DIO_CON); | 
| 
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changeset | 300 return 0; | 
| 
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changeset | 301 } | 
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changeset | 302 } | 
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changeset | 303 } | 
| 
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changeset | 304 | 
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changeset | 305 LEAVE_CRITICAL_SECTION(sem_GDD_DIO_CON); | 
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changeset | 306 | 
| 
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changeset | 307 return -1; | 
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changeset | 308 } | 
| 
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changeset | 309 | 
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changeset | 310 | 
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changeset | 311 /* | 
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changeset | 312 +------------------------------------------------------------------------------ | 
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changeset | 313 | Function : gdd_semaphore_err | 
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changeset | 314 +------------------------------------------------------------------------------ | 
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changeset | 315 | Description : Handle a semaphore error | 
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changeset | 316 +------------------------------------------------------------------------------ | 
| 
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changeset | 317 */ | 
| 
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changeset | 318 static void gdd_semaphore_err (void) | 
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changeset | 319 { | 
| 
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changeset | 320 static UCHAR out = 0; | 
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changeset | 321 if (!out) | 
| 
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changeset | 322 { | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 323 out = 1; | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 324 vsi_o_ttrace(VSI_CALLER TC_EVENT, "semaphore error"); | 
| 
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changeset | 325 } | 
| 
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changeset | 326 } | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 327 | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 328 | 
| 
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changeset | 329 /* | 
| 
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changeset | 330 +------------------------------------------------------------------------------ | 
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changeset | 331 | Function : gdd_enter_critical_section | 
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changeset | 332 +------------------------------------------------------------------------------ | 
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changeset | 333 | Description : Enters a critical section. | 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 334 | | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 335 | Parameters : sem - Semaphore handle | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 336 | | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 337 | Returns : 0 - Success | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 338 | -1 - Failure | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 339 +------------------------------------------------------------------------------ | 
| 
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changeset | 340 */ | 
| 
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changeset | 341 static int gdd_enter_critical_section (T_HANDLE sem) | 
| 
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changeset | 342 { | 
| 
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changeset | 343 if (vsi_s_get (VSI_CALLER sem) NEQ VSI_OK) | 
| 
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changeset | 344 { | 
| 
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changeset | 345 gdd_semaphore_err(); | 
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changeset | 346 return -1; | 
| 
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changeset | 347 } | 
| 
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changeset | 348 else | 
| 
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changeset | 349 { | 
| 
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changeset | 350 return 0; | 
| 
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changeset | 351 } | 
| 
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changeset | 352 } | 
| 
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changeset | 353 | 
| 
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changeset | 354 | 
| 
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changeset | 355 /* | 
| 
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changeset | 356 +------------------------------------------------------------------------------ | 
| 
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changeset | 357 | Function : gdd_leave_critical_section | 
| 
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changeset | 358 +------------------------------------------------------------------------------ | 
| 
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changeset | 359 | Description : Leaves a critical section. | 
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changeset | 360 | | 
| 
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changeset | 361 | Parameters : sem - Semaphore handle | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 362 | | 
| 
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changeset | 363 | Returns : 0 - Success | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 364 | -1 - Failure | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 365 +------------------------------------------------------------------------------ | 
| 
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changeset | 366 */ | 
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changeset | 367 static int gdd_leave_critical_section (T_HANDLE sem) | 
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changeset | 368 { | 
| 
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changeset | 369 if (vsi_s_release (VSI_CALLER sem) NEQ VSI_OK) | 
| 
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changeset | 370 { | 
| 
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changeset | 371 gdd_semaphore_err(); | 
| 
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changeset | 372 return -1; | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 373 } | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 374 else | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 375 { | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 376 return 0; | 
| 
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 Mychaela Falconia <falcon@freecalypso.org> parents: diff
changeset | 377 } | 
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src/g23m-*: initial import from Magnetite
 Mychaela Falconia <falcon@freecalypso.org> parents: diff
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