diff options
Diffstat (limited to 'sysdeps/mach/clock_gettime.c')
| -rw-r--r-- | sysdeps/mach/clock_gettime.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/sysdeps/mach/clock_gettime.c b/sysdeps/mach/clock_gettime.c index 381ccb8..8d0143c 100644 --- a/sysdeps/mach/clock_gettime.c +++ b/sysdeps/mach/clock_gettime.c @@ -57,6 +57,26 @@ __clock_gettime (clockid_t clock_id, struct timespec *ts) case CLOCK_REALTIME: { +#ifdef HAVE_HOST_GET_TIME64 + time_value64_t tv_64; + err = __host_get_time64 (__mach_host_self (), &tv_64); + + /* If err is MIG_BAD_ID, it means an old gnumach which does not + support __host_get_time64 is running against the new gnumach + headers which has the signature of __host_get_time64. In that + case, we fall back to __host_get_time. */ + if (err != MIG_BAD_ID) + { + if (err) + { + __set_errno (err); + return -1; + } + + TIME_VALUE64_TO_TIMESPEC (&tv_64, ts); + return 0; + } +#endif /* __host_get_time can only fail if passed an invalid host_t. __mach_host_self could theoretically fail (producing an invalid host_t) due to resource exhaustion, but we assume |