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| author | evan@chromium.org <evan@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-06-05 01:21:09 +0000 |
|---|---|---|
| committer | evan@chromium.org <evan@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-06-05 01:21:09 +0000 |
| commit | 4075c937997772e26dac372f6fbdec6100b95c99 (patch) | |
| tree | b2d09eba2bb84473872784e1eebe720cf8aff5cc /base | |
| parent | 228ff746064f2d6ab77cf6802c651b2a6406d35d (diff) | |
| download | chromium_src-4075c937997772e26dac372f6fbdec6100b95c99.zip chromium_src-4075c937997772e26dac372f6fbdec6100b95c99.tar.gz chromium_src-4075c937997772e26dac372f6fbdec6100b95c99.tar.bz2 | |
sysconf(_SC_NPROCESSORS_ONLN) is not available on some POSIX
systems, use sysctl(3) for OpenBSD
Review URL: http://codereview.chromium.org/118289
Patch from Peter Valchev <pvalchev@google.com>.
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@17695 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'base')
| -rw-r--r-- | base/sys_info_posix.cc | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/base/sys_info_posix.cc b/base/sys_info_posix.cc index 1d218ce..8a83f3c 100644 --- a/base/sys_info_posix.cc +++ b/base/sys_info_posix.cc @@ -16,12 +16,27 @@ #include <mach/mach_init.h> #endif +#if defined(OS_OPENBSD) +#include <sys/param.h> +#include <sys/sysctl.h> +#endif + #include "base/logging.h" #include "base/string_util.h" namespace base { int SysInfo::NumberOfProcessors() { +#if defined(OS_OPENBSD) + int mib[] = { CTL_HW, HW_NCPU }; + int ncpu; + size_t size = sizeof(ncpu); + if (sysctl(mib, 2, &ncpu, &size, NULL, 0) == -1) { + NOTREACHED(); + return 1; + } + return ncpu; +#else // It seems that sysconf returns the number of "logical" processors on both // mac and linux. So we get the number of "online logical" processors. static long res = sysconf(_SC_NPROCESSORS_ONLN); @@ -31,6 +46,7 @@ int SysInfo::NumberOfProcessors() { } return static_cast<int>(res); +#endif } // static |