FreeCalypso > hg > fc-magnetite

annotate src/gpf3/frame/vsi_sem.c @ 662:8cd8fd15a095

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SIM speed enhancement re-enabled and made configurable TI's original code supported SIM speed enhancement, but Openmoko had it disabled, and OM's disabling of speed enhancement somehow caused certain SIM cards to start working which didn't work before (OM's bug #666). Because our FC community is much smaller in year 2020 than OM's community was in their day, we are not able to find one of those #666-affected SIMs, thus the real issue they had encountered remains elusive. Thus our solution is to re-enable SIM speed enhancement and simply wait for if and when someone runs into a #666-affected SIM once again. We provide a SIM_allow_speed_enhancement global variable that allows SIM speed enhancement to be enabled or disabled per session, and an /etc/SIM_spenh file in FFS that allows it to enabled or disabled on a non-volatile basis. SIM speed enhancement is now enabled by default.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 24 May 2020 05:02:28 +0000
parents c41a534f33c6
children
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1 /*
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2 +------------------------------------------------------------------------------
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3 | File: vsi_sem.c
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4 +------------------------------------------------------------------------------
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5 | Copyright 2002 Texas Instruments Berlin, AG
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6 | All rights reserved.
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7 |
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8 | This file is confidential and a trade secret of Texas
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9 | Instruments Berlin, AG
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10 | The receipt of or possession of this file does not convey
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11 | any rights to reproduce or disclose its contents or to
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12 | manufacture, use, or sell anything it may describe, in
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13 | whole, or in part, without the specific written consent of
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14 | Texas Instruments Berlin, AG.
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15 +-----------------------------------------------------------------------------
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16 | Purpose : This Module defines the virtual system interface part
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17 | for the semaphore handling.
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18 +-----------------------------------------------------------------------------
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19 */
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20
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21 #ifndef __VSI_SEM_C__
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22 #define __VSI_SEM_C__
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23 #endif
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24
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25 /*==== INCLUDES ===================================================*/
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26
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27 #include "typedefs.h"
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28 #include "vsi.h"
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29 #include "os.h"
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30 #include "frm_defs.h"
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31 #include "frm_types.h"
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32 #include "frm_glob.h"
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33
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34 /*==== TYPES ======================================================*/
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35
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36
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37 /*==== CONSTANTS ==================================================*/
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38
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39
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40 /*==== EXTERNALS ==================================================*/
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41 /* -------------- S H A R E D - BEGIN ---------------- */
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42 #ifdef _TOOLS_
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43 #pragma data_seg("FRAME_SHARED")
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44 #endif
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45
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46 /*==== VARIABLES ==================================================*/
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47
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48
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49 #ifdef _TOOLS_
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50 #pragma data_seg()
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51 #endif
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52 /* -------------- S H A R E D - END ---------------- */
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53
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54 /*==== FUNCTIONS ==================================================*/
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55
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56
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57 #ifndef RUN_INT_RAM
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58 /*
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59 +--------------------------------------------------------------------+
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60 | PROJECT : GSM-Frame (8415) MODULE : VSI_SEM |
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61 | STATE : code ROUTINE : vsi_s_open |
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62 +--------------------------------------------------------------------+
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63
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64 PURPOSE : opens a semaphore, creates if not exist
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65
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66 */
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67
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68 T_HANDLE vsi_s_open (T_HANDLE Caller, char *Name, USHORT Count)
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69 {
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70 OS_HANDLE SemHandle;
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71
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72 /*
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73 * if semaphore already exists, return handle
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74 */
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75 if ( os_OpenSemaphore ( Caller, Name, &SemHandle ) != OS_ERROR )
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76 return SemHandle;
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77
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78 /*
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79 * if semaphore not exists, create
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80 */
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81 if ( os_CreateSemaphore ( Caller, Name, Count, &SemHandle, pf_TaskTable[Caller].MemPoolHandle ) != OS_ERROR )
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82 return SemHandle;
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83 else
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84 vsi_o_assert( Caller, OS_SYST_ERR_MAX_SEMA, __FILE__, __LINE__,
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85 "Number of created semaphores > MAX_SEMAPHORES" );
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86
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87 /*
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88 * if semaphore cannot be created, return VSI_ERROR
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89 */
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90 return VSI_ERROR;
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91 }
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92 #endif
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93
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94 #ifndef RUN_INT_RAM
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95 /*
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96 +--------------------------------------------------------------------+
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97 | PROJECT : GSM-Frame (8415) MODULE : VSI_SEM |
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98 | STATE : code ROUTINE : vsi_s_close |
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99 +--------------------------------------------------------------------+
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100
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101 PURPOSE : closes a semaphore
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102
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103 */
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104
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105 int vsi_s_close (T_HANDLE Caller, T_HANDLE SemHandle)
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106 {
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107
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108 if ( os_CloseSemaphore ( Caller, SemHandle ) != OS_ERROR )
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109 return VSI_OK;
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110
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111 return VSI_ERROR;
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112 }
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113 #endif
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114
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115 #ifndef RUN_FLASH
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116 /*
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117 +--------------------------------------------------------------------+
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118 | PROJECT : GSM-Frame (8415) MODULE : VSI_SEM |
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119 | STATE : code ROUTINE : vsi_s_get |
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120 +--------------------------------------------------------------------+
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121
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122 PURPOSE : obtains a semaphore
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123
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124 */
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125
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126 int vsi_s_get (T_HANDLE Caller, T_HANDLE SemHandle)
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127 {
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128 LONG Status;
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129
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130 Status = os_ObtainSemaphore ( Caller, SemHandle, OS_SUSPEND );
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131 if ( Status == OS_OK || Status == OS_WAITED )
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132 return VSI_OK;
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133
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134 return VSI_ERROR;
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parents:
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135 }
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136 #endif
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137
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138 #ifndef RUN_FLASH
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139 /*
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140 +--------------------------------------------------------------------+
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141 | PROJECT : GSM-Frame (8415) MODULE : VSI_SEM |
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142 | STATE : code ROUTINE : vsi_s_release |
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143 +--------------------------------------------------------------------+
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parents:
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144
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145 PURPOSE : releases a semaphore
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146
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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147 */
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148
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149 int vsi_s_release (T_HANDLE Caller, T_HANDLE SemHandle)
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150 {
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parents:
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151
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152 if ( os_ReleaseSemaphore ( Caller, SemHandle ) != OS_ERROR )
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parents:
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153 return VSI_OK;
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parents:
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154
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parents:
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155 return VSI_ERROR;
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parents:
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156 }
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parents:
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157 #endif
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parents:
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158
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parents:
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159 #ifndef RUN_INT_RAM
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parents:
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160 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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161 +--------------------------------------------------------------------+
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parents:
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162 | PROJECT : GSM-Frame (8415) MODULE : VSI_SEM |
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parents:
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163 | STATE : code ROUTINE : vsi_s_status |
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parents:
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164 +--------------------------------------------------------------------+
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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165
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parents:
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166 PURPOSE : request the current count of a semaphore
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parents:
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167
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parents:
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168 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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169
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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170 int vsi_s_status (T_HANDLE Caller, T_HANDLE SemHandle, USHORT *Count )
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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171 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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172
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parents:
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173 if ( os_QuerySemaphore ( Caller, SemHandle, Count ) != OS_ERROR )
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parents:
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174 return VSI_OK;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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176 return VSI_ERROR;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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177 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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178 #endif
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179