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LibC: Implement gettimeofday() in terms of clock_gettime(CLOCK_REALTIME)

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This commit is contained in:
Andreas Kling 2021-08-10 12:48:37 +02:00
parent 1be59d663a
commit 5f6e0e0162
1 changed files with 11 additions and 2 deletions
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13
Userland/Libraries/LibC/time.cpp
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@ -38,8 +38,17 @@ int adjtime(const struct timeval* delta, struct timeval* old_delta)
int gettimeofday(struct timeval* __restrict__ tv, void* __restrict__) int gettimeofday(struct timeval* __restrict__ tv, void* __restrict__)
{ {
int rc = syscall(SC_gettimeofday, tv); if (!tv) {
__RETURN_WITH_ERRNO(rc, rc, -1); errno = EFAULT;
return -1;
}
struct timespec ts = {};
if (clock_gettime(CLOCK_REALTIME, &ts) < 0)
return -1;
TIMESPEC_TO_TIMEVAL(tv, &ts);
return 0;
} }
int settimeofday(struct timeval* __restrict__ tv, void* __restrict__) int settimeofday(struct timeval* __restrict__ tv, void* __restrict__)