Mercurial > trustbridge > nss-cmake-static

annotate nspr/pr/src/misc/prsystem.c @ 4:b513267f632f tip

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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: 4 -*- */
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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 #include "primpl.h"
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7 #include "prsystem.h"
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8 #include "prprf.h"
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9 #include "prlong.h"
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10
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11 #if defined(BEOS)
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12 #include <kernel/OS.h>
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13 #endif
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14
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15 #if defined(OS2)
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16 #define INCL_DOS
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17 #define INCL_DOSMISC
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18 #include <os2.h>
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19 /* define the required constant if it is not already defined in the headers */
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20 #ifndef QSV_NUMPROCESSORS
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21 #define QSV_NUMPROCESSORS 26
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22 #endif
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23 #endif
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24
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25 /* BSD-derived systems use sysctl() to get the number of processors */
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26 #if defined(BSDI) || defined(FREEBSD) || defined(NETBSD) \
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27 || defined(OPENBSD) || defined(DARWIN)
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28 #define _PR_HAVE_SYSCTL
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29 #include <sys/param.h>
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30 #include <sys/sysctl.h>
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31 #endif
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32
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33 #if defined(DARWIN)
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34 #include <mach/mach_init.h>
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35 #include <mach/mach_host.h>
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36 #endif
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37
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38 #if defined(HPUX)
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39 #include <sys/mpctl.h>
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40 #include <sys/pstat.h>
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41 #endif
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42
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43 #if defined(XP_UNIX)
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44 #include <unistd.h>
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45 #include <sys/utsname.h>
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46 #endif
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47
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48 #if defined(LINUX)
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49 #include <string.h>
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50 #include <ctype.h>
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51 #define MAX_LINE 512
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52 #endif
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53
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54 #if defined(AIX)
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55 #include <cf.h>
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56 #include <sys/cfgodm.h>
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57 #endif
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58
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59 PR_IMPLEMENT(char) PR_GetDirectorySeparator(void)
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60 {
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61 return PR_DIRECTORY_SEPARATOR;
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62 } /* PR_GetDirectorySeparator */
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63
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64 /*
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65 ** OBSOLETE -- the function name is misspelled.
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66 */
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67 PR_IMPLEMENT(char) PR_GetDirectorySepartor(void)
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68 {
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69 #if defined(DEBUG)
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70 static PRBool warn = PR_TRUE;
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71 if (warn) {
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72 warn = _PR_Obsolete("PR_GetDirectorySepartor()",
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73 "PR_GetDirectorySeparator()");
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74 }
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75 #endif
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76 return PR_GetDirectorySeparator();
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77 } /* PR_GetDirectorySepartor */
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78
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79 PR_IMPLEMENT(char) PR_GetPathSeparator(void)
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80 {
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81 return PR_PATH_SEPARATOR;
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82 } /* PR_GetPathSeparator */
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83
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84 PR_IMPLEMENT(PRStatus) PR_GetSystemInfo(PRSysInfo cmd, char *buf, PRUint32 buflen)
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85 {
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86 PRUintn len = 0;
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87
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88 if (!_pr_initialized) _PR_ImplicitInitialization();
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89
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90 switch(cmd)
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91 {
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92 case PR_SI_HOSTNAME:
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93 case PR_SI_HOSTNAME_UNTRUNCATED:
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94 if (PR_FAILURE == _PR_MD_GETHOSTNAME(buf, (PRUintn)buflen))
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95 return PR_FAILURE;
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96
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97 if (cmd == PR_SI_HOSTNAME_UNTRUNCATED)
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98 break;
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99 /*
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100 * On some platforms a system does not have a hostname and
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101 * its IP address is returned instead. The following code
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102 * should be skipped on those platforms.
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103 */
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104 #ifndef _PR_GET_HOST_ADDR_AS_NAME
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105 /* Return the unqualified hostname */
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106 while (buf[len] && (len < buflen)) {
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107 if (buf[len] == '.') {
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108 buf[len] = '\0';
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109 break;
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110 }
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111 len += 1;
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112 }
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113 #endif
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114 break;
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115
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116 case PR_SI_SYSNAME:
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117 /* Return the operating system name */
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118 #if defined(XP_UNIX) || defined(WIN32)
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119 if (PR_FAILURE == _PR_MD_GETSYSINFO(cmd, buf, (PRUintn)buflen))
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120 return PR_FAILURE;
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121 #else
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122 (void)PR_snprintf(buf, buflen, _PR_SI_SYSNAME);
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123 #endif
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124 break;
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125
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126 case PR_SI_RELEASE:
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127 /* Return the version of the operating system */
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128 #if defined(XP_UNIX) || defined(WIN32)
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129 if (PR_FAILURE == _PR_MD_GETSYSINFO(cmd, buf, (PRUintn)buflen))
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130 return PR_FAILURE;
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131 #endif
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132 #if defined(XP_OS2)
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133 {
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134 ULONG os2ver[2] = {0};
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diff changeset
135 DosQuerySysInfo(QSV_VERSION_MINOR, QSV_VERSION_REVISION,
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
136 &os2ver, sizeof(os2ver));
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Andre Heinecke <andre.heinecke@intevation.de>
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137 /* Formatting for normal usage (2.11, 3.0, 4.0, 4.5); officially,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
138 Warp 4 is version 2.40.00, WSeB 2.45.00 */
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parents:
diff changeset
139 if (os2ver[0] < 30)
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diff changeset
140 (void)PR_snprintf(buf, buflen, "%s%lu",
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
141 "2.", os2ver[0]);
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diff changeset
142 else if (os2ver[0] < 45)
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diff changeset
143 (void)PR_snprintf(buf, buflen, "%lu%s%lu",
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144 os2ver[0]/10, ".", os2ver[1]);
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145 else
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146 (void)PR_snprintf(buf, buflen, "%.1f",
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147 os2ver[0]/10.0);
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148 }
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149 #endif /* OS2 */
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150 break;
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151
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152 case PR_SI_ARCHITECTURE:
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153 /* Return the architecture of the machine (ie. x86, mips, alpha, ...)*/
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154 (void)PR_snprintf(buf, buflen, _PR_SI_ARCHITECTURE);
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155 break;
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156 default:
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157 PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
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158 return PR_FAILURE;
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159 }
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160 return PR_SUCCESS;
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161 }
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162
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163 /*
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164 ** PR_GetNumberOfProcessors()
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165 **
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166 ** Implementation notes:
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167 ** Every platform does it a bit different.
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168 ** numCpus is the returned value.
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169 ** for each platform's "if defined" section
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170 ** declare your local variable
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171 ** do your thing, assign to numCpus
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172 ** order of the if defined()s may be important,
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173 ** especially for unix variants. Do platform
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174 ** specific implementations before XP_UNIX.
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175 **
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176 */
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177 PR_IMPLEMENT(PRInt32) PR_GetNumberOfProcessors( void )
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178 {
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179 PRInt32 numCpus;
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180 #if defined(WIN32)
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181 SYSTEM_INFO info;
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diff changeset
182
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183 GetSystemInfo( &info );
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184 numCpus = info.dwNumberOfProcessors;
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185 #elif defined(BEOS)
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186 system_info sysInfo;
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187
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188 get_system_info(&sysInfo);
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189 numCpus = sysInfo.cpu_count;
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190 #elif defined(OS2)
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191 DosQuerySysInfo( QSV_NUMPROCESSORS, QSV_NUMPROCESSORS, &numCpus, sizeof(numCpus));
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192 #elif defined(_PR_HAVE_SYSCTL)
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193 int mib[2];
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194 int rc;
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195 size_t len = sizeof(numCpus);
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196
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197 mib[0] = CTL_HW;
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198 mib[1] = HW_NCPU;
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199 rc = sysctl( mib, 2, &numCpus, &len, NULL, 0 );
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200 if ( -1 == rc ) {
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201 numCpus = -1; /* set to -1 for return value on error */
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202 _PR_MD_MAP_DEFAULT_ERROR( _MD_ERRNO() );
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203 }
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204 #elif defined(HPUX)
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205 numCpus = mpctl( MPC_GETNUMSPUS, 0, 0 );
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206 if ( numCpus < 1 ) {
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207 numCpus = -1; /* set to -1 for return value on error */
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208 _PR_MD_MAP_DEFAULT_ERROR( _MD_ERRNO() );
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209 }
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210 #elif defined(IRIX)
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211 numCpus = sysconf( _SC_NPROC_ONLN );
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212 #elif defined(RISCOS) || defined(SYMBIAN)
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213 numCpus = 1;
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214 #elif defined(LINUX)
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diff changeset
215 /* for the benefit of devices with advanced power-saving, that
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diff changeset
216 actually hotplug their cpus in heavy load, try to figure out
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diff changeset
217 the real number of CPUs */
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218 char buf[MAX_LINE];
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219 FILE *fin;
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220 const char *cpu_present = "/sys/devices/system/cpu/present";
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221 size_t strsize;
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222 numCpus = 0;
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223 fin = fopen(cpu_present, "r");
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224 if (fin != NULL) {
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diff changeset
225 if (fgets(buf, MAX_LINE, fin) != NULL) {
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226 /* check that the format is what we expect */
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227 if (buf[0] == '0') {
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228 strsize = strlen(buf);
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229 if (strsize == 1) {
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230 /* single core */
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231 numCpus = 1;
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diff changeset
232 } else if (strsize >= 3 && strsize <= 5) {
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diff changeset
233 /* should be of the form 0-999 */
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diff changeset
234 /* parse the part after the 0-, note count is 0-based */
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diff changeset
235 if (buf[1] == '-' && isdigit(buf[2])) {
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diff changeset
236 numCpus = 1 + atoi(buf + 2);
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diff changeset
237 }
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238 }
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239 }
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240 }
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
241 fclose(fin);
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diff changeset
242 }
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diff changeset
243 /* if that fails, fall back to more standard methods */
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244 if (!numCpus) {
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diff changeset
245 numCpus = sysconf( _SC_NPROCESSORS_CONF );
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diff changeset
246 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
247 #elif defined(XP_UNIX)
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diff changeset
248 numCpus = sysconf( _SC_NPROCESSORS_CONF );
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diff changeset
249 #else
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diff changeset
250 #error "An implementation is required"
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diff changeset
251 #endif
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diff changeset
252 return(numCpus);
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diff changeset
253 } /* end PR_GetNumberOfProcessors() */
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diff changeset
254
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
255 /*
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
256 ** PR_GetPhysicalMemorySize()
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diff changeset
257 **
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258 ** Implementation notes:
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259 ** Every platform does it a bit different.
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diff changeset
260 ** bytes is the returned value.
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diff changeset
261 ** for each platform's "if defined" section
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diff changeset
262 ** declare your local variable
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diff changeset
263 ** do your thing, assign to bytes.
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diff changeset
264 **
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265 */
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266 PR_IMPLEMENT(PRUint64) PR_GetPhysicalMemorySize(void)
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267 {
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268 PRUint64 bytes = 0;
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269
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270 #if defined(LINUX) || defined(SOLARIS)
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271
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272 long pageSize = sysconf(_SC_PAGESIZE);
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273 long pageCount = sysconf(_SC_PHYS_PAGES);
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274 if (pageSize >= 0 && pageCount >= 0)
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275 bytes = (PRUint64) pageSize * pageCount;
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276
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277 #elif defined(NETBSD) || defined(OPENBSD)
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278
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279 int mib[2];
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280 int rc;
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281 uint64_t memSize;
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282 size_t len = sizeof(memSize);
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283
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284 mib[0] = CTL_HW;
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285 mib[1] = HW_PHYSMEM64;
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286 rc = sysctl(mib, 2, &memSize, &len, NULL, 0);
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287 if (-1 != rc) {
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288 bytes = memSize;
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289 }
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290
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291 #elif defined(HPUX)
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292
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293 struct pst_static info;
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294 int result = pstat_getstatic(&info, sizeof(info), 1, 0);
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295 if (result == 1)
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296 bytes = (PRUint64) info.physical_memory * info.page_size;
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297
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298 #elif defined(DARWIN)
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299
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300 struct host_basic_info hInfo;
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301 mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT;
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302
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303 int result = host_info(mach_host_self(),
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304 HOST_BASIC_INFO,
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305 (host_info_t) &hInfo,
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306 &count);
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307 if (result == KERN_SUCCESS)
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308 bytes = hInfo.max_mem;
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309
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310 #elif defined(WIN32)
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311
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312 MEMORYSTATUSEX memStat;
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313 memStat.dwLength = sizeof(memStat);
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314 if (GlobalMemoryStatusEx(&memStat))
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315 bytes = memStat.ullTotalPhys;
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316
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317 #elif defined(OS2)
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318
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319 ULONG ulPhysMem;
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320 DosQuerySysInfo(QSV_TOTPHYSMEM,
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321 QSV_TOTPHYSMEM,
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322 &ulPhysMem,
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323 sizeof(ulPhysMem));
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324 bytes = ulPhysMem;
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325
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326 #elif defined(AIX)
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327
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328 if (odm_initialize() == 0) {
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329 int how_many;
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330 struct CuAt *obj = getattr("sys0", "realmem", 0, &how_many);
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331 if (obj != NULL) {
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332 bytes = (PRUint64) atoi(obj->value) * 1024;
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333 free(obj);
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334 }
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335 odm_terminate();
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336 }
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337
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338 #else
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339
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340 PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
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341
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342 #endif
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343
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344 return bytes;
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345 } /* end PR_GetPhysicalMemorySize() */
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