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b03b0c2920
this is no cancellation point. * pthread_getschedparam.c: Likewise. * pthread_setschedparam.c: Likewise. * pthread_setschedprio.c: Likewise. * sysdeps/unix/sysv/linux/lowlevellock.c: Remove all traces of lll_unlock_wake_cb. * sysdeps/unix/sysv/linux/alpha/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/i386/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Likewise. * sysdeps/unix/sysv/linux/ia64/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/s390/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/sh/lowlevellock.S: Likewise. * sysdeps/unix/sysv/linux/sh/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/sparc/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/lowlevellock.c: Likewise. * sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Likewise.
67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
/* Copyright (C) 2002, 2003, 2004, 2007 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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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
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License as published by the Free Software Foundation; either
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version 2.1 of the 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; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <errno.h>
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#include <sched.h>
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#include <string.h>
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#include <sched.h>
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#include "pthreadP.h"
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#include <lowlevellock.h>
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int
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pthread_setschedprio (threadid, prio)
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pthread_t threadid;
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int prio;
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{
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struct pthread *pd = (struct pthread *) threadid;
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/* Make sure the descriptor is valid. */
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if (INVALID_TD_P (pd))
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/* Not a valid thread handle. */
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return ESRCH;
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int result = 0;
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struct sched_param param;
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param.sched_priority = prio;
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lll_lock (pd->lock);
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/* If the thread should have higher priority because of some
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PTHREAD_PRIO_PROTECT mutexes it holds, adjust the priority. */
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if (__builtin_expect (pd->tpp != NULL, 0) && pd->tpp->priomax > prio)
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param.sched_priority = pd->tpp->priomax;
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/* Try to set the scheduler information. */
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if (__builtin_expect (sched_setparam (pd->tid, ¶m) == -1, 0))
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result = errno;
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else
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{
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/* We succeeded changing the kernel information. Reflect this
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change in the thread descriptor. */
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param.sched_priority = prio;
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memcpy (&pd->schedparam, ¶m, sizeof (struct sched_param));
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pd->flags |= ATTR_FLAG_SCHED_SET;
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}
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lll_unlock (pd->lock);
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return result;
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}
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