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nptl: Refactor thrd_sleep in terms of clock_nanosleep 

Checked on x86_64-linux-gnu and powerpc64le-linux-gnu.

Reviewed-by: Florian Weimer <fweimer@redhat.com>
This commit is contained in:
Adhemerval Zanella 2019-11-05 21:52:48 +00:00
parent 3537ecb49c
commit 807edded25
1 changed files with 9 additions and 12 deletions
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21
nptl/thrd_sleep.c
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@ -24,16 +24,13 @@
int
thrd_sleep (const struct timespec* time_point, struct timespec* remaining)
{
INTERNAL_SYSCALL_DECL (err);
int ret = INTERNAL_SYSCALL_CANCEL (nanosleep, err, time_point, remaining);
if (INTERNAL_SYSCALL_ERROR_P (ret, err))
{
/* C11 states thrd_sleep function returns -1 if it has been interrupted
by a signal, or a negative value if it fails. */
ret = INTERNAL_SYSCALL_ERRNO (ret, err);
if (ret == EINTR)
return -1;
return -2;
}
return 0;
int ret = __clock_nanosleep (CLOCK_REALTIME, 0, time_point, remaining);
/* C11 states thrd_sleep function returns -1 if it has been interrupted
by a signal, or a negative value if it fails. */
switch (ret)
{
case 0: return 0;
case EINTR: return -1;
default: return -2;
}
}