Support clock_gettime() on OSX El Capitan and earlier

This commit is contained in:
Christian Göttsche
2020-12-13 13:16:44 +01:00
committed by BenBE
parent 0401df8cbd
commit 26993d2d2b
4 changed files with 41 additions and 3 deletions

View File

@ -11,12 +11,18 @@ in the source distribution for its full text.
#include <errno.h>
#include <fcntl.h> // IWYU pragma: keep
#include <time.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h> // IWYU pragma: keep
#include "XUtils.h" // IWYU pragma: keep
#ifdef HAVE_HOST_GET_CLOCK_SERVICE
#include <mach/clock.h>
#include <mach/mach.h>
#endif
int Compat_faccessat(int dirfd,
const char* pathname,
@ -117,3 +123,31 @@ ssize_t Compat_readlinkat(int dirfd,
#endif
}
int Compat_clock_monotonic_gettime(struct timespec *tp) {
#if defined(HAVE_CLOCK_GETTIME)
return clock_gettime(CLOCK_MONOTONIC, tp);
#elif defined(HAVE_HOST_GET_CLOCK_SERVICE)
clock_serv_t cclock;
mach_timespec_t mts;
host_get_clock_service(mach_host_self(), SYSTEM_CLOCK, &cclock);
clock_get_time(cclock, &mts);
mach_port_deallocate(mach_task_self(), cclock);
tp->tv_sec = mts.tv_sec;
tp->tv_nsec = mts.tv_nsec;
return 0;
#else
#error No Compat_clock_monotonic_gettime() implementation!
#endif
}