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e4bc372e1b
* src/util/threads.h (virThreadID): New prototype. * src/util/threads-pthread.c (virThreadID): New function. * src/util/threads-win32.c (virThreadID): Likewise. * src/libvirt_private.syms (threads.h): Export it. * daemon/event.c (virEventInterruptLocked): Use it to avoid warning on BSD systems.
95 lines
2.9 KiB
C
95 lines
2.9 KiB
C
/*
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* threads.h: basic thread synchronization primitives
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*
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* Copyright (C) 2009-2010 Red Hat, Inc.
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*
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* This 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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*
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* This 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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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef __THREADS_H_
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# define __THREADS_H_
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# include <stdbool.h>
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# include "internal.h"
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typedef struct virMutex virMutex;
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typedef virMutex *virMutexPtr;
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typedef struct virCond virCond;
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typedef virCond *virCondPtr;
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typedef struct virThreadLocal virThreadLocal;
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typedef virThreadLocal *virThreadLocalPtr;
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typedef struct virThread virThread;
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typedef virThread *virThreadPtr;
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int virThreadInitialize(void) ATTRIBUTE_RETURN_CHECK;
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void virThreadOnExit(void);
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typedef void (*virThreadFunc)(void *opaque);
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int virThreadCreate(virThreadPtr thread,
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bool joinable,
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virThreadFunc func,
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void *opaque) ATTRIBUTE_RETURN_CHECK;
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void virThreadSelf(virThreadPtr thread);
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bool virThreadIsSelf(virThreadPtr thread);
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void virThreadJoin(virThreadPtr thread);
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/* These next two functions are for debugging only, since they are not
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* guaranteed to give unique values for distinct threads on all
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* architectures, nor are the two functions guaranteed to give the same
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* value for the same thread. */
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int virThreadSelfID(void);
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int virThreadID(virThreadPtr thread);
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int virMutexInit(virMutexPtr m) ATTRIBUTE_RETURN_CHECK;
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int virMutexInitRecursive(virMutexPtr m) ATTRIBUTE_RETURN_CHECK;
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void virMutexDestroy(virMutexPtr m);
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void virMutexLock(virMutexPtr m);
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void virMutexUnlock(virMutexPtr m);
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int virCondInit(virCondPtr c) ATTRIBUTE_RETURN_CHECK;
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int virCondDestroy(virCondPtr c) ATTRIBUTE_RETURN_CHECK;
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int virCondWait(virCondPtr c, virMutexPtr m) ATTRIBUTE_RETURN_CHECK;
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int virCondWaitUntil(virCondPtr c, virMutexPtr m, unsigned long long whenms) ATTRIBUTE_RETURN_CHECK;
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void virCondSignal(virCondPtr c);
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void virCondBroadcast(virCondPtr c);
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typedef void (*virThreadLocalCleanup)(void *);
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int virThreadLocalInit(virThreadLocalPtr l,
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virThreadLocalCleanup c) ATTRIBUTE_RETURN_CHECK;
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void *virThreadLocalGet(virThreadLocalPtr l);
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void virThreadLocalSet(virThreadLocalPtr l, void*);
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# ifdef WIN32
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# include "threads-win32.h"
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# elif defined HAVE_PTHREAD_MUTEXATTR_INIT
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# include "threads-pthread.h"
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# else
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# error "Either pthreads or Win32 threads are required"
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# endif
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#endif
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