179 lines
4.2 KiB
C
179 lines
4.2 KiB
C
/***********************************************************************
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*
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* Copyright (C) 2006 Novell, Inc. All Rights Reserved.
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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; version 2.1
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* of the License.
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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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* Library 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, Novell, Inc.
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*
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* To contact Novell about this file by physical or electronic mail,
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* you may find current contact information at www.novell.com.
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*
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* Author: Juan Carlos Luciani <jluciani@novell.com>
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*
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***********************************************************************/
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//===[ Include files ]=====================================================
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#include "internal.h"
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//===[ Type definitions ]==================================================
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//
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// Platform Mutex structure
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//
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typedef struct _PlatformMutex
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{
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pthread_mutex_t mutex;
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} PlatformMutex, *PPlatformMutex;
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//===[ Function prototypes ]===============================================
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//===[ Global variables ]==================================================
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//
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// Module synchronization mutex
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//
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pthread_mutex_t g_hModuleMutex = PTHREAD_MUTEX_INITIALIZER;
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//++=======================================================================
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HANDLE
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PlatAllocMutex(void)
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//
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// Arguments:
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//
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// Returns:
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//
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// Abstract:
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//
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// Notes:
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//
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// Environment:
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//
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// L2
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//=======================================================================--
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{
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PlatformMutex *pPlatMutex;
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pthread_mutexattr_t mutexAttr = {PTHREAD_MUTEX_RECURSIVE};
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DbgTrace(2, "-PlatAllocMutex- Start\n", 0);
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// Allocate space for our mutex structure
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pPlatMutex = malloc(sizeof(*pPlatMutex));
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if (pPlatMutex)
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{
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// Finish initializing the mutex
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pthread_mutex_init(&pPlatMutex->mutex, &mutexAttr);
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}
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else
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{
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DbgTrace(0, "-PlatAllocMutex- Memory allocation failure\n", 0);
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}
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DbgTrace(2, "-PlatAllocMutex- End, retHandle = %0X\n", (unsigned int) pPlatMutex);
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return (HANDLE) pPlatMutex;
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}
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//++=======================================================================
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void
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PlatDestroyMutex(HANDLE hMutex)
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//
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// Arguments:
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//
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// Returns:
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//
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// Abstract:
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//
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// Notes:
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//
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// Environment:
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//
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// L2
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//=======================================================================--
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{
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PlatformMutex *pPlatMutex = (PlatformMutex*) hMutex;
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DbgTrace(2, "-PlatDestroyMutex- Start\n", 0);
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// Free the resources associated with the mutex
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pthread_mutex_destroy(&pPlatMutex->mutex);
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free(pPlatMutex);
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DbgTrace(2, "-PlatDestroyMutex- End\n", 0);
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}
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//++=======================================================================
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void
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PlatAcquireMutex(HANDLE hMutex)
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//
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// Arguments:
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//
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// Returns:
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//
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// Abstract:
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//
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// Notes:
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//
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// Environment:
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//
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// L2
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//=======================================================================--
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{
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PlatformMutex *pPlatMutex = (PlatformMutex*) hMutex;
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DbgTrace(2, "-PlatAcquireMutex- Start\n", 0);
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// Acquire the mutex
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pthread_mutex_lock(&pPlatMutex->mutex);
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DbgTrace(2, "-PlatAcquireMutex- End\n", 0);
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}
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//++=======================================================================
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void
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PlatReleaseMutex(HANDLE hMutex)
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//
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// Arguments:
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//
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// Returns:
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//
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// Abstract:
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//
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// Notes:
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//
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// Environment:
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//
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// L2
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//=======================================================================--
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{
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PlatformMutex *pPlatMutex = (PlatformMutex*) hMutex;
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DbgTrace(2, "-PlatReleaseMutex- Start\n", 0);
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// Release the mutex
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pthread_mutex_unlock(&pPlatMutex->mutex);
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DbgTrace(2, "-PlatRelease- End\n", 0);
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}
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//++=======================================================================
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//++=======================================================================
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//++=======================================================================
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