mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-11 13:50:06 +00:00
1b8cbd0847
2004-07-07 Jakub Jelinek <jakub@redhat.com> * sysdeps/pthread/getcpuclockid.c (pthread_getcpuclockid): Allow using other thread's clock. * ptclock_gettime.c (__pthread_clock_gettime): Likewise. * ptclock_settime.c (__pthread_clock_settime): Likewise. * internals.h (__pthread_clock_gettime, __pthread_clock_settime): Remove prototypes. Reported by Bernd Schmidt <bernds@redhat.com>. * Makefile (librt-tests): Add tst-clock1. * tst-clock1.c: New test. * sysdeps/x86_64/Versions: New file. * sysdeps/unix/sysv/linux/ia64/bits/posix_opt.h: New file. * sysdeps/unix/sysv/linux/x86_64/bits/posix_opt.h: New file.
56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/* Copyright (C) 2001, 2004 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public License as
|
|
published by the Free Software Foundation; either version 2.1 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <errno.h>
|
|
#include <time.h>
|
|
#include <libc-internal.h>
|
|
#include "internals.h"
|
|
#include "spinlock.h"
|
|
|
|
|
|
#if HP_TIMING_AVAIL
|
|
int
|
|
__pthread_clock_settime (clockid_t clock_id, hp_timing_t offset)
|
|
{
|
|
pthread_descr self = thread_self ();
|
|
pthread_t thread = ((unsigned int) clock_id) >> CLOCK_IDFIELD_SIZE;
|
|
const unsigned int mask = ~0U >> CLOCK_IDFIELD_SIZE;
|
|
|
|
if (thread == 0 || (THREAD_GETMEM (self, p_tid) & mask) == thread)
|
|
/* Our own clock. */
|
|
THREAD_SETMEM (self, p_cpuclock_offset, offset);
|
|
else
|
|
{
|
|
pthread_descr th;
|
|
pthread_handle handle = thread_handle (thread);
|
|
__pthread_lock (&handle->h_lock, NULL);
|
|
th = handle->h_descr;
|
|
if (th == NULL || (th->p_tid & mask) != thread || th->p_terminated)
|
|
{
|
|
__pthread_unlock (&handle->h_lock);
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
}
|
|
th->p_cpuclock_offset = offset;
|
|
__pthread_unlock (&handle->h_lock);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#endif
|