mirror of
https://github.com/git/git
synced 2024-08-25 10:45:59 +00:00
![Elijah Newren](/assets/img/avatar_default.png)
We had several C files include cache.h unnecessarily. Replace those with an include of "git-compat-util.h" instead. Much like the previous commit, these have all been verified via both ensuring that gcc -E $SOURCE_FILE | grep '"cache.h"' found no hits and that make DEVELOPER=1 ${OBJECT_FILE_FOR_SOURCE_FILE} successfully compiles without warnings. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
126 lines
2.6 KiB
C
126 lines
2.6 KiB
C
#include "git-compat-util.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
|