Index: mozilla/nsprpub/pr/src/misc/prsystem.c |
=================================================================== |
--- mozilla/nsprpub/pr/src/misc/prsystem.c (revision 191424) |
+++ mozilla/nsprpub/pr/src/misc/prsystem.c (working copy) |
@@ -1,382 +0,0 @@ |
-/* -*- 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 |
- |
-#if defined(WIN32) |
-/* This struct is not present in VC6 headers, so declare it here */ |
-typedef struct { |
- DWORD dwLength; |
- DWORD dwMemoryLoad; |
- DWORDLONG ullTotalPhys; |
- DWORDLONG ullAvailPhys; |
- DWORDLONG ullToalPageFile; |
- DWORDLONG ullAvailPageFile; |
- DWORDLONG ullTotalVirtual; |
- DWORDLONG ullAvailVirtual; |
- DWORDLONG ullAvailExtendedVirtual; |
-} PR_MEMORYSTATUSEX; |
- |
-/* Typedef for dynamic lookup of GlobalMemoryStatusEx(). */ |
-typedef BOOL (WINAPI *GlobalMemoryStatusExFn)(PR_MEMORYSTATUSEX *); |
-#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) |
- |
- /* Try to use the newer GlobalMemoryStatusEx API for Windows 2000+. */ |
- GlobalMemoryStatusExFn globalMemory = (GlobalMemoryStatusExFn) NULL; |
- HMODULE module = GetModuleHandleW(L"kernel32.dll"); |
- |
- if (module) { |
- globalMemory = (GlobalMemoryStatusExFn)GetProcAddress(module, "GlobalMemoryStatusEx"); |
- |
- if (globalMemory) { |
- PR_MEMORYSTATUSEX memStat; |
- memStat.dwLength = sizeof(memStat); |
- |
- if (globalMemory(&memStat)) |
- bytes = memStat.ullTotalPhys; |
- } |
- } |
- |
- if (!bytes) { |
- /* Fall back to the older API. */ |
- MEMORYSTATUS memStat; |
- memset(&memStat, 0, sizeof(memStat)); |
- GlobalMemoryStatus(&memStat); |
- bytes = memStat.dwTotalPhys; |
- } |
- |
-#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() */ |