diff options
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c')
-rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c b/REORG.TODO/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c new file mode 100644 index 0000000000..f5af64ea88 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c @@ -0,0 +1,42 @@ +/* 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; +} |