projects / thirdparty / git.git / blame
| Commit | Line | Data |
|---|---|---|
| 833e3df1 | 1 | #include "cache.h" |
| 93749194 | 2 | #include <pthread.h> |
| 833e3df1 | 3 | |
| 435bdf8c | 4 | #if defined(hpux) || defined(__hpux) || defined(_hpux) |
| 833e3df1 AE |
5 | # include <sys/pstat.h> |
| 6 | #endif | |
| 7 | ||
| 8 | /* | |
| 9 | * By doing this in two steps we can at least get | |
| 10 | * the function to be somewhat coherent, even | |
| 11 | * with this disgusting nest of #ifdefs. | |
| 12 | */ | |
| 13 | #ifndef _SC_NPROCESSORS_ONLN | |
| 14 | # ifdef _SC_NPROC_ONLN | |
| 15 | # define _SC_NPROCESSORS_ONLN _SC_NPROC_ONLN | |
| 16 | # elif defined _SC_CRAY_NCPU | |
| 17 | # define _SC_NPROCESSORS_ONLN _SC_CRAY_NCPU | |
| 18 | # endif | |
| 19 | #endif | |
| 20 | ||
| 21 | int online_cpus(void) | |
| 22 | { | |
| 23 | #ifdef _SC_NPROCESSORS_ONLN | |
| 24 | long ncpus; | |
| 25 | #endif | |
| 26 | ||
| 27 | #ifdef _WIN32 | |
| 28 | SYSTEM_INFO info; | |
| 29 | GetSystemInfo(&info); | |
| 30 | ||
| 31 | if ((int)info.dwNumberOfProcessors > 0) | |
| 32 | return (int)info.dwNumberOfProcessors; | |
| 33 | #elif defined(hpux) || defined(__hpux) || defined(_hpux) | |
| 34 | struct pst_dynamic psd; | |
| 35 | ||
| 36 | if (!pstat_getdynamic(&psd, sizeof(psd), (size_t)1, 0)) | |
| 37 | return (int)psd.psd_proc_cnt; | |
| 38 | #endif | |
| 39 | ||
| 40 | #ifdef _SC_NPROCESSORS_ONLN | |
| 41 | if ((ncpus = (long)sysconf(_SC_NPROCESSORS_ONLN)) > 0) | |
| 42 | return (int)ncpus; | |
| 43 | #endif | |
| 44 | ||
| 45 | return 1; | |
| 46 | } | |
| 93749194 JS |
47 | |
| 48 | int init_recursive_mutex(pthread_mutex_t *m) | |
| 49 | { | |
| 50 | pthread_mutexattr_t a; | |
| 51 | int ret; | |
| 52 | ||
| 53 | ret = pthread_mutexattr_init(&a); | |
| 54 | if (!ret) { | |
| 55 | ret = pthread_mutexattr_settype(&a, PTHREAD_MUTEX_RECURSIVE); | |
| 56 | if (!ret) | |
| 57 | ret = pthread_mutex_init(m, &a); | |
| 58 | pthread_mutexattr_destroy(&a); | |
| 59 | } | |
| 60 | return ret; | |
| 61 | } |