summaryrefslogtreecommitdiff
path: root/sal/osl/os2/mutex.c
diff options
context:
space:
mode:
Diffstat (limited to 'sal/osl/os2/mutex.c')
-rw-r--r--sal/osl/os2/mutex.c167
1 files changed, 0 insertions, 167 deletions
diff --git a/sal/osl/os2/mutex.c b/sal/osl/os2/mutex.c
deleted file mode 100644
index 23ce222b4..000000000
--- a/sal/osl/os2/mutex.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/*************************************************************************
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * Copyright 2000, 2010 Oracle and/or its affiliates.
- *
- * OpenOffice.org - a multi-platform office productivity suite
- *
- * This file is part of OpenOffice.org.
- *
- * OpenOffice.org is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License version 3
- * only, as published by the Free Software Foundation.
- *
- * OpenOffice.org 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 Lesser General Public License version 3 for more details
- * (a copy is included in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU Lesser General Public License
- * version 3 along with OpenOffice.org. If not, see
- * <http://www.openoffice.org/license.html>
- * for a copy of the LGPLv3 License.
- *
- ************************************************************************/
-
-#include <sys/fmutex.h>
-
-#include "system.h"
-
-#include <osl/mutex.h>
-#include <osl/diagnose.h>
-
-/*
- Implementation notes:
- The void* hidden by oslMutex points to an OS/2 mutex semaphore.
-*/
-typedef struct _oslMutexImpl {
- HMTX m_Mutex;
- int m_Locks;
- ULONG m_Owner;
- ULONG m_Requests;
-} oslMutexImpl;
-
-// static mutex to control access to private members of oslMutexImpl
-static HMTX MutexLock = 0;
-
-/*****************************************************************************/
-/* osl_createMutex */
-/*****************************************************************************/
-oslMutex SAL_CALL osl_createMutex()
-{
- oslMutexImpl *pMutexImpl;
- HMTX hMutex;
- APIRET rc;
-
- pMutexImpl= (oslMutexImpl*)calloc(sizeof(oslMutexImpl), 1);
- OSL_ASSERT(pMutexImpl); /* alloc successful? */
-
- /* create semaphore */
- rc = DosCreateMutexSem( NULL, &pMutexImpl->m_Mutex, 0, FALSE );
- if( rc != 0 )
- {
- free(pMutexImpl);
- return NULL;
- }
-
- // create static mutex for private members
- if (MutexLock == 0)
- DosCreateMutexSem( NULL, &MutexLock, 0, FALSE );
-
- return (oslMutex)pMutexImpl;
-}
-
-/*****************************************************************************/
-/* osl_destroyMutex */
-/*****************************************************************************/
-void SAL_CALL osl_destroyMutex(oslMutex Mutex)
-{
- oslMutexImpl *pMutexImpl = (oslMutexImpl *)Mutex;
- if (pMutexImpl)
- {
- DosCloseMutexSem( pMutexImpl->m_Mutex);
- free(pMutexImpl);
- }
-}
-
-/*****************************************************************************/
-/* osl_acquireMutex */
-/*****************************************************************************/
-sal_Bool SAL_CALL osl_acquireMutex(oslMutex Mutex)
-{
- oslMutexImpl *pMutexImpl = (oslMutexImpl *)Mutex;
- APIRET rc = 0;
- OSL_ASSERT(Mutex);
-
- DosRequestMutexSem( MutexLock, SEM_INDEFINITE_WAIT );
- pMutexImpl->m_Requests++;
- DosReleaseMutexSem( MutexLock);
-
- rc = DosRequestMutexSem( pMutexImpl->m_Mutex, SEM_INDEFINITE_WAIT );
-
- DosRequestMutexSem( MutexLock, SEM_INDEFINITE_WAIT );
- pMutexImpl->m_Requests--;
- if (pMutexImpl->m_Locks++ == 0)
- pMutexImpl->m_Owner = _gettid();
- DosReleaseMutexSem( MutexLock);
-
- return( rc == 0 );
-}
-
-/*****************************************************************************/
-/* osl_tryToAcquireMutex */
-/*****************************************************************************/
-sal_Bool SAL_CALL osl_tryToAcquireMutex(oslMutex Mutex)
-{
- sal_Bool ret = sal_False;
- oslMutexImpl *pMutexImpl = (oslMutexImpl *)Mutex;
- OSL_ASSERT(Mutex);
-
- DosRequestMutexSem( MutexLock, SEM_INDEFINITE_WAIT );
-
- if ( ((pMutexImpl->m_Requests == 0) && (pMutexImpl->m_Locks == 0)) ||
- (pMutexImpl->m_Owner == _gettid()) )
- ret = osl_acquireMutex(Mutex);
-
- DosReleaseMutexSem( MutexLock);
-
- return ret;
-}
-
-/*****************************************************************************/
-/* osl_releaseMutex */
-/*****************************************************************************/
-sal_Bool SAL_CALL osl_releaseMutex(oslMutex Mutex)
-{
- oslMutexImpl *pMutexImpl = (oslMutexImpl *)Mutex;
- APIRET rc;
- OSL_ASSERT(Mutex);
-
- DosRequestMutexSem( MutexLock, SEM_INDEFINITE_WAIT );
-
- if (--(pMutexImpl->m_Locks) == 0)
- pMutexImpl->m_Owner = 0;
-
- DosReleaseMutexSem( MutexLock);
-
- rc = DosReleaseMutexSem( pMutexImpl->m_Mutex);
-
- return sal_True;
-}
-
-
-
-/*****************************************************************************/
-/* osl_getGlobalMutex */
-/*****************************************************************************/
-
-oslMutex g_Mutex = NULL;
-
-oslMutex * SAL_CALL osl_getGlobalMutex(void)
-{
- if (g_Mutex == NULL)
- g_Mutex = osl_createMutex();
- return &g_Mutex;
-}