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71a2526d28
Also return EINVAL if the thread is already terminated at the time of the call. Checked on x86_64-linux-gnu.
52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
/* pthread_getcpuclockid -- Get POSIX clockid_t for a pthread_t. Linux version
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Copyright (C) 2000-2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, see <https://www.gnu.org/licenses/>. */
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#include <libc-lock.h>
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#include <kernel-posix-cpu-timers.h>
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#include <pthreadP.h>
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#include <shlib-compat.h>
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int
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__pthread_getcpuclockid (pthread_t threadid, clockid_t *clockid)
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{
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struct pthread *pd = (struct pthread *) threadid;
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/* Block all signals, as required by pd->exit_lock. */
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internal_sigset_t old_mask;
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internal_signal_block_all (&old_mask);
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__libc_lock_lock (pd->exit_lock);
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int res = 0;
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if (pd->tid )
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*clockid = make_thread_cpuclock (pd->tid, CPUCLOCK_SCHED);
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else
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res = EINVAL;
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__libc_lock_unlock (pd->exit_lock);
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internal_signal_restore_set (&old_mask);
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return res;
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}
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versioned_symbol (libc, __pthread_getcpuclockid, pthread_getcpuclockid,
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GLIBC_2_34);
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#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_2, GLIBC_2_34)
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compat_symbol (libpthread, __pthread_getcpuclockid, pthread_getcpuclockid,
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GLIBC_2_2);
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#endif
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