127 lines
3.6 KiB
C++
127 lines
3.6 KiB
C++
/*
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Copyright (C) 2004-2008 Grame
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program 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
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; 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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#include "JackWinMutex.h"
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#include "JackError.h"
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namespace Jack
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{
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bool JackBaseWinMutex::Lock()
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{
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if (fOwner != GetCurrentThreadId()) {
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DWORD res = WaitForSingleObject(fMutex, INFINITE);
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if (res == WAIT_OBJECT_0) {
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fOwner = GetCurrentThreadId();
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return true;
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} else {
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jack_log("JackBaseWinMutex::Lock res = %d", res);
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return false;
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}
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} else {
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jack_error("JackBaseWinMutex::Lock mutex already locked by thread = %d", GetCurrentThreadId());
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return false;
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}
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}
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bool JackBaseWinMutex::Trylock()
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{
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if (fOwner != GetCurrentThreadId()) {
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DWORD res = WaitForSingleObject(fMutex, 0);
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if (res == WAIT_OBJECT_0) {
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fOwner = GetCurrentThreadId();
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return true;
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} else {
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jack_log("JackBaseWinMutex::Trylock res = %d", res);
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return false;
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}
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} else {
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jack_error("JackBaseWinMutex::Trylock mutex already locked by thread = %d", GetCurrentThreadId());
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return false;
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}
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}
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bool JackBaseWinMutex::Unlock()
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{
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if (fOwner == GetCurrentThreadId()) {
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fOwner = 0;
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int res = ReleaseMutex(fMutex);
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if (res != 0) {
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return true;
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} else {
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jack_log("JackBaseWinMutex::Unlock res = %d", res);
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return false;
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}
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} else {
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jack_error("JackBaseWinMutex::Unlock mutex not locked by thread = %d", GetCurrentThreadId());
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return false;
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}
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}
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bool JackWinMutex::Lock()
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{
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if (WAIT_OBJECT_0 == WaitForSingleObject(fMutex, INFINITE)) {
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return true;
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} else {
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jack_log("JackWinProcessSync::Lock WaitForSingleObject err = %d", GetLastError());
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return false;
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}
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}
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bool JackWinMutex::Trylock()
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{
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if (WAIT_OBJECT_0 == WaitForSingleObject(fMutex, 0)) {
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return true;
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} else {
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jack_log("JackWinProcessSync::Trylock WaitForSingleObject err = %d", GetLastError());
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return false;
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}
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}
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bool JackWinMutex::Unlock()
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{
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if (!ReleaseMutex(fMutex)) {
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jack_log("JackWinProcessSync::Unlock ReleaseMutex err = %d", GetLastError());
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return false;
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} else {
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return true;
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}
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}
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bool JackWinCriticalSection::Lock()
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{
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EnterCriticalSection(&fSection);
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return true;
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}
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bool JackWinCriticalSection::Trylock()
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{
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return (TryEnterCriticalSection(&fSection));
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}
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bool JackWinCriticalSection::Unlock()
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{
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LeaveCriticalSection(&fSection);
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return true;
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}
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} // namespace
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