annotate nspr/pr/include/md/_darwin.h @ 4:b513267f632f tip

Build DBM module
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 05 Aug 2014 18:58:03 +0200
parents 1e5118fa0cb1
children
rev   line source
0
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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_darwin_defs_h___
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7 #define nspr_darwin_defs_h___
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8
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9 #include "prthread.h"
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10
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11 #include <libkern/OSAtomic.h>
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12 #include <sys/syscall.h>
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13
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14 #ifdef __APPLE__
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15 #include <AvailabilityMacros.h>
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16 #include <TargetConditionals.h>
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17 #endif
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18
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19 #define PR_LINKER_ARCH "darwin"
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20 #define _PR_SI_SYSNAME "DARWIN"
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21 #ifdef __i386__
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22 #define _PR_SI_ARCHITECTURE "x86"
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23 #elif defined(__x86_64__)
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24 #define _PR_SI_ARCHITECTURE "x86-64"
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25 #elif defined(__ppc__)
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26 #define _PR_SI_ARCHITECTURE "ppc"
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27 #elif defined(__arm__)
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28 #define _PR_SI_ARCHITECTURE "arm"
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29 #elif defined(__aarch64__)
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30 #define _PR_SI_ARCHITECTURE "aarch64"
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31 #else
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32 #error "Unknown CPU architecture"
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33 #endif
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34 #define PR_DLL_SUFFIX ".dylib"
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35
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36 #define _PR_VMBASE 0x30000000
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37 #define _PR_STACK_VMBASE 0x50000000
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38 #define _MD_DEFAULT_STACK_SIZE 65536L
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39 #define _MD_MMAP_FLAGS MAP_PRIVATE
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40
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41 #undef HAVE_STACK_GROWING_UP
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42 #define HAVE_DLL
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43 #if defined(__x86_64__) || TARGET_OS_IPHONE
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44 #define USE_DLFCN
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45 #else
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46 #define USE_MACH_DYLD
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47 #endif
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48 #define _PR_HAVE_SOCKADDR_LEN
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49 #define _PR_STAT_HAS_ST_ATIMESPEC
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50 #define _PR_HAVE_LARGE_OFF_T
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51 #define _PR_HAVE_SYSV_SEMAPHORES
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52 #define PR_HAVE_SYSV_NAMED_SHARED_MEMORY
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53
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54 #define _PR_INET6
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55 /*
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56 * I'd prefer to use getipnodebyname and getipnodebyaddr but the
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57 * getipnodebyname(3) man page on Mac OS X 10.2 says they are not
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58 * thread-safe. AI_V4MAPPED|AI_ADDRCONFIG doesn't work either.
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59 */
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60 #define _PR_HAVE_GETHOSTBYNAME2
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61 #define _PR_HAVE_GETADDRINFO
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62 /*
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63 * On Mac OS X 10.2, gethostbyaddr fails with h_errno=NO_RECOVERY
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64 * if you pass an IPv4-mapped IPv6 address to it.
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65 */
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66 #define _PR_GHBA_DISALLOW_V4MAPPED
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67 #ifdef __APPLE__
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68 #if !defined(MAC_OS_X_VERSION_10_3) || \
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69 MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_3
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70 /*
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71 * socket(AF_INET6) fails with EPROTONOSUPPORT on Mac OS X 10.1.
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72 * IPv6 under OS X 10.2 and below is not complete (see bug 222031).
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73 */
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74 #define _PR_INET6_PROBE
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75 #endif /* DT < 10.3 */
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76 #if defined(MAC_OS_X_VERSION_10_2) && \
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77 MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_2
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78 /* Mac OS X 10.2 has inet_ntop and inet_pton. */
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79 #define _PR_HAVE_INET_NTOP
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80 #endif /* DT >= 10.2 */
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81 #endif /* __APPLE__ */
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82 #define _PR_IPV6_V6ONLY_PROBE
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83 /* The IPV6_V6ONLY socket option is not defined on Mac OS X 10.1. */
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84 #ifndef IPV6_V6ONLY
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85 #define IPV6_V6ONLY 27
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86 #endif
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87
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88 #ifdef __ppc__
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89 #define _PR_HAVE_ATOMIC_OPS
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90 #define _MD_INIT_ATOMIC()
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91 extern PRInt32 _PR_DarwinPPC_AtomicIncrement(PRInt32 *val);
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92 #define _MD_ATOMIC_INCREMENT(val) _PR_DarwinPPC_AtomicIncrement(val)
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93 extern PRInt32 _PR_DarwinPPC_AtomicDecrement(PRInt32 *val);
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94 #define _MD_ATOMIC_DECREMENT(val) _PR_DarwinPPC_AtomicDecrement(val)
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95 extern PRInt32 _PR_DarwinPPC_AtomicSet(PRInt32 *val, PRInt32 newval);
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96 #define _MD_ATOMIC_SET(val, newval) _PR_DarwinPPC_AtomicSet(val, newval)
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97 extern PRInt32 _PR_DarwinPPC_AtomicAdd(PRInt32 *ptr, PRInt32 val);
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98 #define _MD_ATOMIC_ADD(ptr, val) _PR_DarwinPPC_AtomicAdd(ptr, val)
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99 #endif /* __ppc__ */
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100
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101 #ifdef __i386__
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102 #define _PR_HAVE_ATOMIC_OPS
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103 #define _MD_INIT_ATOMIC()
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104 extern PRInt32 _PR_Darwin_x86_AtomicIncrement(PRInt32 *val);
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105 #define _MD_ATOMIC_INCREMENT(val) _PR_Darwin_x86_AtomicIncrement(val)
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106 extern PRInt32 _PR_Darwin_x86_AtomicDecrement(PRInt32 *val);
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107 #define _MD_ATOMIC_DECREMENT(val) _PR_Darwin_x86_AtomicDecrement(val)
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108 extern PRInt32 _PR_Darwin_x86_AtomicSet(PRInt32 *val, PRInt32 newval);
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109 #define _MD_ATOMIC_SET(val, newval) _PR_Darwin_x86_AtomicSet(val, newval)
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110 extern PRInt32 _PR_Darwin_x86_AtomicAdd(PRInt32 *ptr, PRInt32 val);
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111 #define _MD_ATOMIC_ADD(ptr, val) _PR_Darwin_x86_AtomicAdd(ptr, val)
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112 #endif /* __i386__ */
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113
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114 #ifdef __x86_64__
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115 #define _PR_HAVE_ATOMIC_OPS
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116 #define _MD_INIT_ATOMIC()
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117 extern PRInt32 _PR_Darwin_x86_64_AtomicIncrement(PRInt32 *val);
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118 #define _MD_ATOMIC_INCREMENT(val) _PR_Darwin_x86_64_AtomicIncrement(val)
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119 extern PRInt32 _PR_Darwin_x86_64_AtomicDecrement(PRInt32 *val);
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120 #define _MD_ATOMIC_DECREMENT(val) _PR_Darwin_x86_64_AtomicDecrement(val)
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121 extern PRInt32 _PR_Darwin_x86_64_AtomicSet(PRInt32 *val, PRInt32 newval);
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122 #define _MD_ATOMIC_SET(val, newval) _PR_Darwin_x86_64_AtomicSet(val, newval)
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123 extern PRInt32 _PR_Darwin_x86_64_AtomicAdd(PRInt32 *ptr, PRInt32 val);
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124 #define _MD_ATOMIC_ADD(ptr, val) _PR_Darwin_x86_64_AtomicAdd(ptr, val)
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125 #endif /* __x86_64__ */
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126
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127 #if defined(__arm__) || defined(__aarch64__)
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128 #define _PR_HAVE_ATOMIC_OPS
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129 #define _MD_INIT_ATOMIC()
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130 #define _MD_ATOMIC_INCREMENT(val) OSAtomicIncrement32(val)
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131 #define _MD_ATOMIC_DECREMENT(val) OSAtomicDecrement32(val)
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132 static inline PRInt32 _MD_ATOMIC_SET(PRInt32 *val, PRInt32 newval)
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133 {
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134 PRInt32 oldval;
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135 do {
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136 oldval = *val;
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137 } while (!OSAtomicCompareAndSwap32(oldval, newval, val));
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138 return oldval;
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139 }
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140 #define _MD_ATOMIC_ADD(ptr, val) OSAtomicAdd32(val, ptr)
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141 #endif /* __arm__ || __aarch64__ */
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142
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143 #define USE_SETJMP
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144
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145 #if !defined(_PR_PTHREADS)
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146
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147 #include <setjmp.h>
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148
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149 #define PR_CONTEXT_TYPE jmp_buf
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150
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151 #define CONTEXT(_th) ((_th)->md.context)
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152 #define _MD_GET_SP(_th) (((struct sigcontext *) (_th)->md.context)->sc_onstack)
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153 #define PR_NUM_GCREGS _JBLEN
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154
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155 /*
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156 ** Initialize a thread context to run "_main()" when started
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157 */
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158 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
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159 { \
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160 *status = PR_TRUE; \
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161 if (setjmp(CONTEXT(_thread))) { \
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162 _main(); \
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163 } \
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164 _MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 64); \
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165 }
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166
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167 #define _MD_SWITCH_CONTEXT(_thread) \
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168 if (!setjmp(CONTEXT(_thread))) { \
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169 (_thread)->md.errcode = errno; \
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170 _PR_Schedule(); \
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171 }
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172
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173 /*
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174 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
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175 */
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176 #define _MD_RESTORE_CONTEXT(_thread) \
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177 { \
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178 errno = (_thread)->md.errcode; \
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179 _MD_SET_CURRENT_THREAD(_thread); \
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180 longjmp(CONTEXT(_thread), 1); \
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181 }
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182
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183 /* Machine-dependent (MD) data structures */
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184
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185 struct _MDThread {
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186 PR_CONTEXT_TYPE context;
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187 int id;
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188 int errcode;
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189 };
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190
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191 struct _MDThreadStack {
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192 PRInt8 notused;
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193 };
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194
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195 struct _MDLock {
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196 PRInt8 notused;
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197 };
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198
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199 struct _MDSemaphore {
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200 PRInt8 notused;
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201 };
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202
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203 struct _MDCVar {
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204 PRInt8 notused;
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205 };
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206
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207 struct _MDSegment {
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208 PRInt8 notused;
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209 };
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210
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211 /*
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212 * md-specific cpu structure field
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213 */
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214 #define _PR_MD_MAX_OSFD FD_SETSIZE
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215
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216 struct _MDCPU_Unix {
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217 PRCList ioQ;
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218 PRUint32 ioq_timeout;
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219 PRInt32 ioq_max_osfd;
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220 PRInt32 ioq_osfd_cnt;
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221 #ifndef _PR_USE_POLL
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222 fd_set fd_read_set, fd_write_set, fd_exception_set;
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223 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
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224 fd_exception_cnt[_PR_MD_MAX_OSFD];
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225 #else
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226 struct pollfd *ioq_pollfds;
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227 int ioq_pollfds_size;
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228 #endif /* _PR_USE_POLL */
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229 };
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230
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231 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
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232 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
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233 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
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234 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
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235 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
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236 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
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237 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
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238 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
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239 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
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240 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
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241 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
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242 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
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243 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
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244
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245 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
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246
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247 struct _MDCPU {
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248 struct _MDCPU_Unix md_unix;
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249 };
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250
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251 #define _MD_INIT_LOCKS()
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252 #define _MD_NEW_LOCK(lock) PR_SUCCESS
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253 #define _MD_FREE_LOCK(lock)
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254 #define _MD_LOCK(lock)
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255 #define _MD_UNLOCK(lock)
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256 #define _MD_INIT_IO()
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257 #define _MD_IOQ_LOCK()
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258 #define _MD_IOQ_UNLOCK()
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259
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260 extern PRStatus _MD_InitializeThread(PRThread *thread);
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261
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262 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
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263 #define _MD_INIT_THREAD _MD_InitializeThread
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264 #define _MD_EXIT_THREAD(thread)
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265 #define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread
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266 #define _MD_RESUME_THREAD(thread) _MD_resume_thread
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267 #define _MD_CLEAN_THREAD(_thread)
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268
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269 extern PRStatus _MD_CREATE_THREAD(
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270 PRThread *thread,
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271 void (*start) (void *),
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272 PRThreadPriority priority,
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273 PRThreadScope scope,
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274 PRThreadState state,
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275 PRUint32 stackSize);
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276 extern void _MD_SET_PRIORITY(struct _MDThread *thread, PRUintn newPri);
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277 extern PRStatus _MD_WAIT(PRThread *, PRIntervalTime timeout);
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278 extern PRStatus _MD_WAKEUP_WAITER(PRThread *);
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279 extern void _MD_YIELD(void);
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280
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281 #endif /* ! _PR_PTHREADS */
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282
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283 #define _MD_EARLY_INIT _MD_EarlyInit
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284 #define _MD_FINAL_INIT _PR_UnixInit
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285 #define _MD_INTERVAL_INIT _PR_Mach_IntervalInit
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286 #define _MD_GET_INTERVAL _PR_Mach_GetInterval
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287 #define _MD_INTERVAL_PER_SEC _PR_Mach_TicksPerSecond
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288
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289 extern void _MD_EarlyInit(void);
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290 extern void _PR_Mach_IntervalInit(void);
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291 extern PRIntervalTime _PR_Mach_GetInterval(void);
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292 extern PRIntervalTime _PR_Mach_TicksPerSecond(void);
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293
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294 /*
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295 * We wrapped the select() call. _MD_SELECT refers to the built-in,
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296 * unwrapped version.
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297 */
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298 #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv)
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299
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300 /* For writev() */
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301 #include <sys/uio.h>
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302
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303 #endif /* nspr_darwin_defs_h___ */
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