Staging
v0.5.1
v0.5.1
Revision 7092882c84269af287646294a151551c59170a64 authored by Junio C Hamano on 16 March 2008, 06:59:29 UTC, committed by Junio C Hamano on 16 March 2008, 08:15:31 UTC
Signed-off-by: Junio C Hamano <gitster@pobox.com>
1 parent c817faa
thread-utils.c
#include "cache.h"
#ifdef _WIN32
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
#elif 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;
}
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