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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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2 /* This Source Code Form is subject to the terms of the Mozilla Public |
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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5 |
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6 #ifndef nspr_qnx_defs_h___ |
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7 #define nspr_qnx_defs_h___ |
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8 |
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9 /* |
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10 ** Internal configuration macros |
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11 */ |
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12 #define PR_LINKER_ARCH "qnx" |
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13 #define _PR_SI_SYSNAME "QNX" |
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14 #define _PR_SI_ARCHITECTURE "x86" |
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15 #define PR_DLL_SUFFIX ".so" |
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16 |
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17 #define _PR_VMBASE 0x30000000 |
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18 #define _PR_STACK_VMBASE 0x50000000 |
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19 #define _MD_DEFAULT_STACK_SIZE 65536L |
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20 #define _MD_MMAP_FLAGS MAP_PRIVATE |
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21 |
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22 #ifndef HAVE_WEAK_IO_SYMBOLS |
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23 #define HAVE_WEAK_IO_SYMBOLS |
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24 #endif |
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25 |
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26 #undef _PR_POLL_AVAILABLE |
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27 #undef _PR_USE_POLL |
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28 #define _PR_HAVE_SOCKADDR_LEN |
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29 #define HAVE_BSD_FLOCK |
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30 #define _PR_NO_LARGE_FILES |
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31 #define _PR_STAT_HAS_ONLY_ST_ATIME |
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32 |
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33 #include <sys/select.h> |
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34 |
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35 #undef HAVE_STACK_GROWING_UP |
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36 #undef HAVE_DLL |
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37 #undef USE_DLFCN |
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38 #define NEED_STRFTIME_LOCK |
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39 #define NEED_TIME_R |
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40 #define _PR_NEED_STRCASECMP |
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41 |
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42 #ifndef HAVE_STRERROR |
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43 #define HAVE_STRERROR |
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44 #endif |
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45 |
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46 #define USE_SETJMP |
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47 |
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48 #include <setjmp.h> |
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49 |
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50 #define _SETJMP setjmp |
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51 #define _LONGJMP longjmp |
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52 #define _PR_CONTEXT_TYPE jmp_buf |
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53 #define _PR_NUM_GCREGS _JBLEN |
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54 #define _MD_GET_SP(_t) (_t)->md.context[7] |
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55 |
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56 #define CONTEXT(_th) ((_th)->md.context) |
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57 |
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58 /* |
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59 ** Initialize the thread context preparing it to execute _main. |
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60 */ |
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61 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ |
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62 { \ |
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63 *status = PR_TRUE; \ |
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64 if(_SETJMP(CONTEXT(_thread))) (*_main)(); \ |
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65 _MD_GET_SP(_thread) = (int) ((_sp) - 128); \ |
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66 } |
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67 |
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68 #define _MD_SWITCH_CONTEXT(_thread) \ |
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69 if (!_SETJMP(CONTEXT(_thread))) { \ |
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70 (_thread)->md.errcode = errno; \ |
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71 _PR_Schedule(); \ |
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72 } |
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73 |
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74 /* |
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75 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT |
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76 */ |
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77 #define _MD_RESTORE_CONTEXT(_thread) \ |
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78 { \ |
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79 errno = (_thread)->md.errcode; \ |
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80 _MD_SET_CURRENT_THREAD(_thread); \ |
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81 _LONGJMP(CONTEXT(_thread), 1); \ |
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82 } |
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83 |
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84 /* |
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85 ** Machine-dependent (MD) data structures. |
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86 */ |
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87 struct _MDThread { |
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88 _PR_CONTEXT_TYPE context; |
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89 int id; |
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90 int errcode; |
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91 }; |
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92 |
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93 struct _MDThreadStack { |
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94 PRInt8 notused; |
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95 }; |
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96 |
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97 struct _MDLock { |
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98 PRInt8 notused; |
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99 }; |
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100 |
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101 struct _MDSemaphore { |
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102 PRInt8 notused; |
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103 }; |
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104 |
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105 struct _MDCVar { |
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106 PRInt8 notused; |
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107 }; |
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108 |
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109 struct _MDSegment { |
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110 PRInt8 notused; |
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111 }; |
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112 |
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113 /* |
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114 ** md-specific cpu structure field |
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115 */ |
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116 #define _PR_MD_MAX_OSFD FD_SETSIZE |
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117 |
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118 struct _MDCPU_Unix { |
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119 PRCList ioQ; |
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120 PRUint32 ioq_timeout; |
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121 PRInt32 ioq_max_osfd; |
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122 PRInt32 ioq_osfd_cnt; |
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123 #ifndef _PR_USE_POLL |
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124 fd_set fd_read_set, fd_write_set, fd_exception_set; |
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125 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD], fd_write_cnt[_PR_MD_MAX_OSFD], fd_exception_cnt[_PR_MD_MAX_OSFD]; |
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126 #else |
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127 struct pollfd *ioq_pollfds; |
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128 int ioq_pollfds_size; |
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129 #endif |
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130 }; |
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131 |
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132 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) |
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133 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) |
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134 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) |
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135 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) |
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136 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) |
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137 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) |
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138 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) |
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139 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) |
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140 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) |
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141 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) |
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142 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) |
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143 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) |
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144 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) |
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145 |
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146 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 |
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147 |
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148 struct _MDCPU { |
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149 struct _MDCPU_Unix md_unix; |
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150 }; |
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151 |
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152 #define _MD_INIT_LOCKS() |
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153 #define _MD_NEW_LOCK(lock) PR_SUCCESS |
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154 #define _MD_FREE_LOCK(lock) |
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155 #define _MD_LOCK(lock) |
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156 #define _MD_UNLOCK(lock) |
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157 #define _MD_INIT_IO() |
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158 #define _MD_IOQ_LOCK() |
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159 #define _MD_IOQ_UNLOCK() |
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160 |
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161 #define _MD_INTERVAL_USE_GTOD |
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162 #define _MD_EARLY_INIT _MD_EarlyInit |
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163 #define _MD_FINAL_INIT _PR_UnixInit |
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164 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) |
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165 #define _MD_INIT_THREAD _MD_InitializeThread |
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166 #define _MD_EXIT_THREAD(thread) |
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167 #define _MD_SUSPEND_THREAD(thread) |
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168 #define _MD_RESUME_THREAD(thread) |
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169 #define _MD_CLEAN_THREAD(_thread) |
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170 |
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171 /* |
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172 ** We wrapped the select() call. _MD_SELECT refers to the built-in, |
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173 ** unwrapped version. |
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174 */ |
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175 #include <sys/time.h> |
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176 #include <sys/types.h> |
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177 #include <sys/select.h> |
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178 #define _MD_SELECT select |
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179 |
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180 #define SA_RESTART 0 |
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181 |
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182 #endif /* nspr_qnx_defs_h___ */ |