mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-28 23:34:53 +03:00
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/* pthread_getcpuclockid -- Get POSIX clockid_t for a pthread_t. Linux version
|
|
Copyright (C) 2000-2017 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, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <pthreadP.h>
|
|
#include <sys/time.h>
|
|
#include <tls.h>
|
|
#include <kernel-posix-cpu-timers.h>
|
|
|
|
|
|
int
|
|
pthread_getcpuclockid (pthread_t threadid, clockid_t *clockid)
|
|
{
|
|
struct pthread *pd = (struct pthread *) threadid;
|
|
|
|
/* Make sure the descriptor is valid. */
|
|
if (INVALID_TD_P (pd))
|
|
/* Not a valid thread handle. */
|
|
return ESRCH;
|
|
|
|
/* The clockid_t value is a simple computation from the TID. */
|
|
|
|
const clockid_t tidclock = MAKE_THREAD_CPUCLOCK (pd->tid, CPUCLOCK_SCHED);
|
|
|
|
*clockid = tidclock;
|
|
return 0;
|
|
}
|