Mercurial > trustbridge > nss-cmake-static
view nspr/pr/src/misc/prsystem.c @ 0:1e5118fa0cb1
This is NSS with a Cmake Buildsyste
To compile a static NSS library for Windows we've used the
Chromium-NSS fork and added a Cmake buildsystem to compile
it statically for Windows. See README.chromium for chromium
changes and README.trustbridge for our modifications.
author | Andre Heinecke <andre.heinecke@intevation.de> |
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date | Mon, 28 Jul 2014 10:47:06 +0200 |
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "primpl.h" #include "prsystem.h" #include "prprf.h" #include "prlong.h" #if defined(BEOS) #include <kernel/OS.h> #endif #if defined(OS2) #define INCL_DOS #define INCL_DOSMISC #include <os2.h> /* define the required constant if it is not already defined in the headers */ #ifndef QSV_NUMPROCESSORS #define QSV_NUMPROCESSORS 26 #endif #endif /* BSD-derived systems use sysctl() to get the number of processors */ #if defined(BSDI) || defined(FREEBSD) || defined(NETBSD) \ || defined(OPENBSD) || defined(DARWIN) #define _PR_HAVE_SYSCTL #include <sys/param.h> #include <sys/sysctl.h> #endif #if defined(DARWIN) #include <mach/mach_init.h> #include <mach/mach_host.h> #endif #if defined(HPUX) #include <sys/mpctl.h> #include <sys/pstat.h> #endif #if defined(XP_UNIX) #include <unistd.h> #include <sys/utsname.h> #endif #if defined(LINUX) #include <string.h> #include <ctype.h> #define MAX_LINE 512 #endif #if defined(AIX) #include <cf.h> #include <sys/cfgodm.h> #endif PR_IMPLEMENT(char) PR_GetDirectorySeparator(void) { return PR_DIRECTORY_SEPARATOR; } /* PR_GetDirectorySeparator */ /* ** OBSOLETE -- the function name is misspelled. */ PR_IMPLEMENT(char) PR_GetDirectorySepartor(void) { #if defined(DEBUG) static PRBool warn = PR_TRUE; if (warn) { warn = _PR_Obsolete("PR_GetDirectorySepartor()", "PR_GetDirectorySeparator()"); } #endif return PR_GetDirectorySeparator(); } /* PR_GetDirectorySepartor */ PR_IMPLEMENT(char) PR_GetPathSeparator(void) { return PR_PATH_SEPARATOR; } /* PR_GetPathSeparator */ PR_IMPLEMENT(PRStatus) PR_GetSystemInfo(PRSysInfo cmd, char *buf, PRUint32 buflen) { PRUintn len = 0; if (!_pr_initialized) _PR_ImplicitInitialization(); switch(cmd) { case PR_SI_HOSTNAME: case PR_SI_HOSTNAME_UNTRUNCATED: if (PR_FAILURE == _PR_MD_GETHOSTNAME(buf, (PRUintn)buflen)) return PR_FAILURE; if (cmd == PR_SI_HOSTNAME_UNTRUNCATED) break; /* * On some platforms a system does not have a hostname and * its IP address is returned instead. The following code * should be skipped on those platforms. */ #ifndef _PR_GET_HOST_ADDR_AS_NAME /* Return the unqualified hostname */ while (buf[len] && (len < buflen)) { if (buf[len] == '.') { buf[len] = '\0'; break; } len += 1; } #endif break; case PR_SI_SYSNAME: /* Return the operating system name */ #if defined(XP_UNIX) || defined(WIN32) if (PR_FAILURE == _PR_MD_GETSYSINFO(cmd, buf, (PRUintn)buflen)) return PR_FAILURE; #else (void)PR_snprintf(buf, buflen, _PR_SI_SYSNAME); #endif break; case PR_SI_RELEASE: /* Return the version of the operating system */ #if defined(XP_UNIX) || defined(WIN32) if (PR_FAILURE == _PR_MD_GETSYSINFO(cmd, buf, (PRUintn)buflen)) return PR_FAILURE; #endif #if defined(XP_OS2) { ULONG os2ver[2] = {0}; DosQuerySysInfo(QSV_VERSION_MINOR, QSV_VERSION_REVISION, &os2ver, sizeof(os2ver)); /* Formatting for normal usage (2.11, 3.0, 4.0, 4.5); officially, Warp 4 is version 2.40.00, WSeB 2.45.00 */ if (os2ver[0] < 30) (void)PR_snprintf(buf, buflen, "%s%lu", "2.", os2ver[0]); else if (os2ver[0] < 45) (void)PR_snprintf(buf, buflen, "%lu%s%lu", os2ver[0]/10, ".", os2ver[1]); else (void)PR_snprintf(buf, buflen, "%.1f", os2ver[0]/10.0); } #endif /* OS2 */ break; case PR_SI_ARCHITECTURE: /* Return the architecture of the machine (ie. x86, mips, alpha, ...)*/ (void)PR_snprintf(buf, buflen, _PR_SI_ARCHITECTURE); break; default: PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0); return PR_FAILURE; } return PR_SUCCESS; } /* ** PR_GetNumberOfProcessors() ** ** Implementation notes: ** Every platform does it a bit different. ** numCpus is the returned value. ** for each platform's "if defined" section ** declare your local variable ** do your thing, assign to numCpus ** order of the if defined()s may be important, ** especially for unix variants. Do platform ** specific implementations before XP_UNIX. ** */ PR_IMPLEMENT(PRInt32) PR_GetNumberOfProcessors( void ) { PRInt32 numCpus; #if defined(WIN32) SYSTEM_INFO info; GetSystemInfo( &info ); numCpus = info.dwNumberOfProcessors; #elif defined(BEOS) system_info sysInfo; get_system_info(&sysInfo); numCpus = sysInfo.cpu_count; #elif defined(OS2) DosQuerySysInfo( QSV_NUMPROCESSORS, QSV_NUMPROCESSORS, &numCpus, sizeof(numCpus)); #elif defined(_PR_HAVE_SYSCTL) int mib[2]; int rc; size_t len = sizeof(numCpus); mib[0] = CTL_HW; mib[1] = HW_NCPU; rc = sysctl( mib, 2, &numCpus, &len, NULL, 0 ); if ( -1 == rc ) { numCpus = -1; /* set to -1 for return value on error */ _PR_MD_MAP_DEFAULT_ERROR( _MD_ERRNO() ); } #elif defined(HPUX) numCpus = mpctl( MPC_GETNUMSPUS, 0, 0 ); if ( numCpus < 1 ) { numCpus = -1; /* set to -1 for return value on error */ _PR_MD_MAP_DEFAULT_ERROR( _MD_ERRNO() ); } #elif defined(IRIX) numCpus = sysconf( _SC_NPROC_ONLN ); #elif defined(RISCOS) || defined(SYMBIAN) numCpus = 1; #elif defined(LINUX) /* for the benefit of devices with advanced power-saving, that actually hotplug their cpus in heavy load, try to figure out the real number of CPUs */ char buf[MAX_LINE]; FILE *fin; const char *cpu_present = "/sys/devices/system/cpu/present"; size_t strsize; numCpus = 0; fin = fopen(cpu_present, "r"); if (fin != NULL) { if (fgets(buf, MAX_LINE, fin) != NULL) { /* check that the format is what we expect */ if (buf[0] == '0') { strsize = strlen(buf); if (strsize == 1) { /* single core */ numCpus = 1; } else if (strsize >= 3 && strsize <= 5) { /* should be of the form 0-999 */ /* parse the part after the 0-, note count is 0-based */ if (buf[1] == '-' && isdigit(buf[2])) { numCpus = 1 + atoi(buf + 2); } } } } fclose(fin); } /* if that fails, fall back to more standard methods */ if (!numCpus) { numCpus = sysconf( _SC_NPROCESSORS_CONF ); } #elif defined(XP_UNIX) numCpus = sysconf( _SC_NPROCESSORS_CONF ); #else #error "An implementation is required" #endif return(numCpus); } /* end PR_GetNumberOfProcessors() */ /* ** PR_GetPhysicalMemorySize() ** ** Implementation notes: ** Every platform does it a bit different. ** bytes is the returned value. ** for each platform's "if defined" section ** declare your local variable ** do your thing, assign to bytes. ** */ PR_IMPLEMENT(PRUint64) PR_GetPhysicalMemorySize(void) { PRUint64 bytes = 0; #if defined(LINUX) || defined(SOLARIS) long pageSize = sysconf(_SC_PAGESIZE); long pageCount = sysconf(_SC_PHYS_PAGES); if (pageSize >= 0 && pageCount >= 0) bytes = (PRUint64) pageSize * pageCount; #elif defined(NETBSD) || defined(OPENBSD) int mib[2]; int rc; uint64_t memSize; size_t len = sizeof(memSize); mib[0] = CTL_HW; mib[1] = HW_PHYSMEM64; rc = sysctl(mib, 2, &memSize, &len, NULL, 0); if (-1 != rc) { bytes = memSize; } #elif defined(HPUX) struct pst_static info; int result = pstat_getstatic(&info, sizeof(info), 1, 0); if (result == 1) bytes = (PRUint64) info.physical_memory * info.page_size; #elif defined(DARWIN) struct host_basic_info hInfo; mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT; int result = host_info(mach_host_self(), HOST_BASIC_INFO, (host_info_t) &hInfo, &count); if (result == KERN_SUCCESS) bytes = hInfo.max_mem; #elif defined(WIN32) MEMORYSTATUSEX memStat; memStat.dwLength = sizeof(memStat); if (GlobalMemoryStatusEx(&memStat)) bytes = memStat.ullTotalPhys; #elif defined(OS2) ULONG ulPhysMem; DosQuerySysInfo(QSV_TOTPHYSMEM, QSV_TOTPHYSMEM, &ulPhysMem, sizeof(ulPhysMem)); bytes = ulPhysMem; #elif defined(AIX) if (odm_initialize() == 0) { int how_many; struct CuAt *obj = getattr("sys0", "realmem", 0, &how_many); if (obj != NULL) { bytes = (PRUint64) atoi(obj->value) * 1024; free(obj); } odm_terminate(); } #else PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0); #endif return bytes; } /* end PR_GetPhysicalMemorySize() */