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-rw-r--r--nsprpub/pr/src/misc/prsystem.c373
1 files changed, 373 insertions, 0 deletions
diff --git a/nsprpub/pr/src/misc/prsystem.c b/nsprpub/pr/src/misc/prsystem.c
new file mode 100644
index 0000000000..dba093e9b1
--- /dev/null
+++ b/nsprpub/pr/src/misc/prsystem.c
@@ -0,0 +1,373 @@
+/* -*- 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(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(DRAGONFLY) || 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>
+#include <mach/mach_port.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_RELEASE_BUILD:
+ /* 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;
+ }
+#else
+ if (buflen) {
+ *buf = 0;
+ }
+#endif /* XP_UNIX || WIN32 */
+ 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(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;
+#ifdef HW_NCPUONLINE
+ mib[1] = HW_NCPUONLINE;
+#else
+ mib[1] = HW_NCPU;
+#endif
+ 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(RISCOS)
+ 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) \
+ || defined(FREEBSD) || defined(DRAGONFLY)
+
+ int mib[2];
+ int rc;
+#ifdef HW_PHYSMEM64
+ uint64_t memSize;
+#else
+ unsigned long memSize;
+#endif
+ size_t len = sizeof(memSize);
+
+ mib[0] = CTL_HW;
+#ifdef HW_PHYSMEM64
+ mib[1] = HW_PHYSMEM64;
+#else
+ mib[1] = HW_PHYSMEM;
+#endif
+ 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)
+
+ mach_port_t mach_host = mach_host_self();
+ struct host_basic_info hInfo;
+ mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT;
+
+ int result = host_info(mach_host,
+ HOST_BASIC_INFO,
+ (host_info_t) &hInfo,
+ &count);
+ mach_port_deallocate(mach_task_self(), mach_host);
+ 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() */