michael@0: /*
michael@0: **********************************************************************
michael@0: *   Copyright (C) 2013, International Business Machines
michael@0: *   Corporation and others.  All Rights Reserved.
michael@0: **********************************************************************
michael@0: *
michael@0: * File cmutex.h
michael@0: *
michael@0: *     Minimal plain C declarations for ICU mutex functions.
michael@0: *     This header provides a transition path for plain C files that 
michael@0: *     formerly included mutex.h, which is now a C++ only header.
michael@0: *
michael@0: *     This header should not be used for new code.
michael@0: *
michael@0: *     C++ files should include umutex.h, not this header.
michael@0: *
michael@0: */
michael@0: 
michael@0: #ifndef __CMUTEX_H__
michael@0: #define __CMUTEX_H__
michael@0: 
michael@0: typedef struct UMutex UMutex;
michael@0: 
michael@0: 
michael@0: /* Lock a mutex.
michael@0:  * @param mutex The given mutex to be locked.  Pass NULL to specify
michael@0:  *              the global ICU mutex.  Recursive locks are an error
michael@0:  *              and may cause a deadlock on some platforms.
michael@0:  */
michael@0: U_INTERNAL void U_EXPORT2 umtx_lock(UMutex* mutex); 
michael@0: 
michael@0: /* Unlock a mutex.
michael@0:  * @param mutex The given mutex to be unlocked.  Pass NULL to specify
michael@0:  *              the global ICU mutex.
michael@0:  */
michael@0: U_INTERNAL void U_EXPORT2 umtx_unlock (UMutex* mutex);
michael@0: 
michael@0: #endif
michael@0: