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https://github.com/Zenithsiz/ftmemsim-valgrind.git
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97 lines
2.7 KiB
C
97 lines
2.7 KiB
C
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/*--------------------------------------------------------------------*/
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/*--- Scheduler lock support functions sched-lock.c ---*/
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/*--------------------------------------------------------------------*/
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/*
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This file is part of Valgrind, a dynamic binary instrumentation
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framework.
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Copyright (C) 2011-2015 Bart Van Assche <bvanassche@acm.org>.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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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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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307, USA.
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The GNU General Public License is contained in the file COPYING.
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*/
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#include "config.h"
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#include "pub_core_basics.h"
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#include "pub_core_libcbase.h"
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#include "pub_core_mallocfree.h"
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#include "priv_sema.h"
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#include "priv_sched-lock.h"
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#include "priv_sched-lock-impl.h"
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static struct sched_lock_ops const *sched_lock_ops =
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&ML_(generic_sched_lock_ops);
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static struct sched_lock_ops const *const sched_lock_impl[] = {
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[sched_lock_generic] = &ML_(generic_sched_lock_ops),
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#ifdef ENABLE_LINUX_TICKET_LOCK
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[sched_lock_ticket] = &ML_(linux_ticket_lock_ops),
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#endif
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};
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/**
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* Define which scheduler lock implementation to use.
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*
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* @param[in] t Scheduler lock type.
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*
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* @return True if and only if this function succeeded.
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*
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* @note Must be called before any other sched_lock*() function is invoked.
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*/
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Bool ML_(set_sched_lock_impl)(const enum SchedLockType t)
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{
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struct sched_lock_ops const *p = NULL;
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if ((unsigned)t < sizeof(sched_lock_impl)/sizeof(sched_lock_impl[0]))
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p = sched_lock_impl[t];
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if (p)
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sched_lock_ops = p;
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return !!p;
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}
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const HChar *ML_(get_sched_lock_name)(void)
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{
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return (sched_lock_ops->get_sched_lock_name)();
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}
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struct sched_lock *ML_(create_sched_lock)(void)
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{
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return (sched_lock_ops->create_sched_lock)();
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}
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void ML_(destroy_sched_lock)(struct sched_lock *p)
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{
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return (sched_lock_ops->destroy_sched_lock)(p);
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}
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int ML_(get_sched_lock_owner)(struct sched_lock *p)
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{
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return (sched_lock_ops->get_sched_lock_owner)(p);
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}
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void ML_(acquire_sched_lock)(struct sched_lock *p)
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{
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return (sched_lock_ops->acquire_sched_lock)(p);
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}
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void ML_(release_sched_lock)(struct sched_lock *p)
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{
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return (sched_lock_ops->release_sched_lock)(p);
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}
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