Revision b63103e908af54e5e2eaa3faad350e4738ef0047 authored by Junio C Hamano on 17 January 2012, 00:45:56 UTC, committed by Junio C Hamano on 17 January 2012, 00:45:56 UTC
* jn/maint-gitweb-grep-fix: gitweb: Harden "grep" search against filenames with ':' gitweb: Fix file links in "grep" search
thread-utils.c
#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 _SC_NPROCESSORS_ONLN
long ncpus;
#endif
#ifdef _WIN32
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;
#endif
#ifdef _SC_NPROCESSORS_ONLN
if ((ncpus = (long)sysconf(_SC_NPROCESSORS_ONLN)) > 0)
return (int)ncpus;
#endif
return 1;
}
int init_recursive_mutex(pthread_mutex_t *m)
{
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;
}
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