diff options
| author | Aldy Hernandez <aldyh@redhat.com> | 2011-11-08 03:20:30 +0000 |
|---|---|---|
| committer | Aldy Hernandez <aldyh@redhat.com> | 2011-11-08 03:20:30 +0000 |
| commit | 47180e1668b0766d1e473fed8d9385c0e765285d (patch) | |
| tree | 1eb48ad31d05a9ce117bedc17115de96dffa2f0b /libstdc++-v3/src/thread.cc | |
| parent | 80b9b1c40004ddf7dd74248b642d489384f37ace (diff) | |
| parent | eb6a1d75b768b663579adeb2a50828cf679b6f12 (diff) | |
* Merge from mainline rev 181122.transactional-memory
git-svn-id: https://gcc.gnu.org/svn/gcc/branches/transactional-memory@181148 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3/src/thread.cc')
| -rw-r--r-- | libstdc++-v3/src/thread.cc | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/libstdc++-v3/src/thread.cc b/libstdc++-v3/src/thread.cc index 09e7fc5909d..ff034b16143 100644 --- a/libstdc++-v3/src/thread.cc +++ b/libstdc++-v3/src/thread.cc @@ -30,9 +30,27 @@ #if defined(_GLIBCXX_USE_GET_NPROCS) # include <sys/sysinfo.h> # define _GLIBCXX_NPROCS get_nprocs() +#elif defined(_GLIBCXX_USE_PTHREADS_NUM_PROCESSORS_NP) +# define _GLIBCXX_NPROCS pthread_num_processors_np() +#elif defined(_GLIBCXX_USE_SYSCTL_HW_NCPU) +# include <stddef.h> +# include <sys/sysctl.h> +static inline int get_nprocs() +{ + int count; + size_t size = sizeof(count); + int mib[] = { CTL_HW, HW_NCPU }; + if (!sysctl(mib, 2, &count, &size, NULL, 0)) + return count; + return 0; +} +# define _GLIBCXX_NPROCS get_nprocs() #elif defined(_GLIBCXX_USE_SC_NPROCESSORS_ONLN) # include <unistd.h> # define _GLIBCXX_NPROCS sysconf(_SC_NPROCESSORS_ONLN) +#elif defined(_GLIBCXX_USE_SC_NPROC_ONLN) +# include <unistd.h> +# define _GLIBCXX_NPROCS sysconf(_SC_NPROC_ONLN) #else # define _GLIBCXX_NPROCS 0 #endif |