1
0
mirror of https://sourceware.org/git/glibc.git synced 2025-07-28 00:21:52 +03:00
* include/time.h: Define CLOCK_IDFIELD_SIZE.
	* sysdeps/posix/clock_getres.c: Recognize thread CPU clock IDs.
	* sysdeps/unix/clock_gettime.c: Likewise.
	* sysdeps/unix/clock_settime.c: Likewise.
	* sysdeps/unix/clock_nanosleep.c (CPUCLOCK_P): Adjust for new
	clock id for thread CPU clocks.
This commit is contained in:
Ulrich Drepper
2003-06-25 00:00:50 +00:00
parent 51d1ca00fd
commit 4165d44d70
14 changed files with 355 additions and 36 deletions

View File

@ -31,7 +31,7 @@ static hp_timing_t freq;
/* This function is defined in the thread library. */
extern void __pthread_clock_settime (hp_timing_t offset)
extern void __pthread_clock_settime (clockid_t clock_id, hp_timing_t offset)
__attribute__ ((__weak__));
#endif
@ -69,9 +69,20 @@ clock_settime (clockid_t clock_id, const struct timespec *tp)
break;
#endif
default:
#if HP_TIMING_AVAIL
if ((clock_id & ((1 << CLOCK_IDFIELD_SIZE) - 1))
!= CLOCK_THREAD_CPUTIME_ID)
#endif
{
__set_errno (EINVAL);
retval = -1;
break;
}
#if HP_TIMING_AVAIL
/* FALLTHROUGH. */
case CLOCK_PROCESS_CPUTIME_ID:
case CLOCK_THREAD_CPUTIME_ID:
{
hp_timing_t tsc;
hp_timing_t usertime;
@ -98,21 +109,16 @@ clock_settime (clockid_t clock_id, const struct timespec *tp)
usertime = tp->tv_sec * freq + (tp->tv_nsec * freq) / 1000000000ull;
/* Determine the offset and use it as the new base value. */
if (clock_id != CLOCK_THREAD_CPUTIME_ID
if (clock_id == CLOCK_PROCESS_CPUTIME_ID
|| __pthread_clock_settime == NULL)
GL(dl_cpuclock_offset) = tsc - usertime;
else
__pthread_clock_settime (tsc - usertime);
__pthread_clock_settime (clock_id, tsc - usertime);
retval = 0;
}
break;
#endif
default:
__set_errno (EINVAL);
retval = -1;
break;
}
return retval;