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Edit File: udm_mutex.h
/* Copyright (C) 2000-2013 Lavtech.com corp. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef _UDM_MUTEX_H #define _UDM_MUTEX_H #ifdef WIN32 #define udm_thread_t HANDLE #define UdmThreadSelf GetCurrentThreadId #define udm_mutex_t CRITICAL_SECTION #define InitMutex(x) InitializeCriticalSection(x) #define DestroyMutex(x) DeleteCriticalSection(x) #define UDM_MUTEX_LOCK(x) EnterCriticalSection(x) #define UDM_MUTEX_UNLOCK(x) LeaveCriticalSection(x) #else /* not WIN32 */ #ifdef HAVE_UNISTD_H #include <unistd.h> #endif /* WIN32 */ #ifdef HAVE_PTHREAD #include <pthread.h> #define udm_thread_t pthread_t #define UdmThreadSelf pthread_self #define udm_mutex_t pthread_mutex_t #define InitMutex(x) pthread_mutex_init(x,NULL) #define DestroyMutex(x) pthread_mutex_destroy(x) #define UDM_MUTEX_LOCK(x) pthread_mutex_lock(x) #define UDM_MUTEX_UNLOCK(x) pthread_mutex_unlock(x) #else #define udm_thread_t int #define udm_mutex_t int #define InitMutex(x) *(x)=0 #define DestroyMutex(x) #define UDM_MUTEX_LOCK(x) #define UDM_MUTEX_UNLOCK(x) #endif #endif typedef struct { udm_mutex_t mutex; #ifdef HAVE_DEBUG int handle; int count; udm_thread_t thread; #endif } UDM_MUTEX; /* MUTEX stuff to lock dangerous places in multi-threaded mode */ extern __C_LINK int __UDMCALL UdmSetLockProc(UDM_ENV * Conf, void (*proc)(UDM_AGENT *A,int command,int type,const char *fname,int lineno)); extern __C_LINK void __UDMCALL UdmLockProc(UDM_AGENT *A, int command, int type, const char *fn, int ln); extern __C_LINK void __UDMCALL UdmInitMutexes(void); extern __C_LINK void __UDMCALL UdmDestroyMutexes(void); #ifdef WIN32 extern __C_LINK udm_mutex_t ThreadProcLock; #endif #define UDM_GETLOCK(A,mutex) if((A)->Conf->LockProc)(A)->Conf->LockProc((A),UDM_LOCK,(mutex),__FILE__,__LINE__) #define UDM_RELEASELOCK(A,mutex) if((A)->Conf->LockProc)(A)->Conf->LockProc((A),UDM_UNLOCK,(mutex),__FILE__,__LINE__) #define UDM_LOCK_CHECK_OWNER(A,mutex) if((A)->Conf->LockProc)(A)->Conf->LockProc((A),UDM_CKLOCK,(mutex),__FILE__,__LINE__) /* Locking commands */ #define UDM_LOCK 1 #define UDM_UNLOCK 2 #define UDM_CKLOCK 3 #endif /* _UDM_MUTEX_H */