diff options
Diffstat (limited to 'third_party/git/thread-utils.c')
-rw-r--r-- | third_party/git/thread-utils.c | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/third_party/git/thread-utils.c b/third_party/git/thread-utils.c deleted file mode 100644 index 532984569132..000000000000 --- a/third_party/git/thread-utils.c +++ /dev/null @@ -1,125 +0,0 @@ -#include "cache.h" -#include "thread-utils.h" - -#if defined(hpux) || defined(__hpux) || defined(_hpux) -# include <sys/pstat.h> -#endif - -/* - * By doing this in two steps we can at least get - * the function to be somewhat coherent, even - * with this disgusting nest of #ifdefs. - */ -#ifndef _SC_NPROCESSORS_ONLN -# ifdef _SC_NPROC_ONLN -# define _SC_NPROCESSORS_ONLN _SC_NPROC_ONLN -# elif defined _SC_CRAY_NCPU -# define _SC_NPROCESSORS_ONLN _SC_CRAY_NCPU -# endif -#endif - -int online_cpus(void) -{ -#ifdef NO_PTHREADS - return 1; -#else -#ifdef _SC_NPROCESSORS_ONLN - long ncpus; -#endif - -#ifdef GIT_WINDOWS_NATIVE - SYSTEM_INFO info; - GetSystemInfo(&info); - - if ((int)info.dwNumberOfProcessors > 0) - return (int)info.dwNumberOfProcessors; -#elif defined(hpux) || defined(__hpux) || defined(_hpux) - struct pst_dynamic psd; - - if (!pstat_getdynamic(&psd, sizeof(psd), (size_t)1, 0)) - return (int)psd.psd_proc_cnt; -#elif defined(HAVE_BSD_SYSCTL) && defined(HW_NCPU) - int mib[2]; - size_t len; - int cpucount; - - mib[0] = CTL_HW; -# ifdef HW_AVAILCPU - mib[1] = HW_AVAILCPU; - len = sizeof(cpucount); - if (!sysctl(mib, 2, &cpucount, &len, NULL, 0)) - return cpucount; -# endif /* HW_AVAILCPU */ - mib[1] = HW_NCPU; - len = sizeof(cpucount); - if (!sysctl(mib, 2, &cpucount, &len, NULL, 0)) - return cpucount; -#endif /* defined(HAVE_BSD_SYSCTL) && defined(HW_NCPU) */ - -#ifdef _SC_NPROCESSORS_ONLN - if ((ncpus = (long)sysconf(_SC_NPROCESSORS_ONLN)) > 0) - return (int)ncpus; -#endif - - return 1; -#endif -} - -int init_recursive_mutex(pthread_mutex_t *m) -{ -#ifndef NO_PTHREADS - pthread_mutexattr_t a; - int ret; - - ret = pthread_mutexattr_init(&a); - if (!ret) { - ret = pthread_mutexattr_settype(&a, PTHREAD_MUTEX_RECURSIVE); - if (!ret) - ret = pthread_mutex_init(m, &a); - pthread_mutexattr_destroy(&a); - } - return ret; -#else - return 0; -#endif -} - -#ifdef NO_PTHREADS -int dummy_pthread_create(pthread_t *pthread, const void *attr, - void *(*fn)(void *), void *data) -{ - /* - * Do nothing. - * - * The main purpose of this function is to break compiler's - * flow analysis and avoid -Wunused-variable false warnings. - */ - return ENOSYS; -} - -int dummy_pthread_init(void *data) -{ - /* - * Do nothing. - * - * The main purpose of this function is to break compiler's - * flow analysis or it may realize that functions like - * pthread_mutex_init() is no-op, which means the (static) - * variable is not used/initialized at all and trigger - * -Wunused-variable - */ - return ENOSYS; -} - -int dummy_pthread_join(pthread_t pthread, void **retval) -{ - /* - * Do nothing. - * - * The main purpose of this function is to break compiler's - * flow analysis and avoid -Wunused-variable false warnings. - */ - return ENOSYS; -} - -#endif |