262 lines
8.1 KiB
C++
262 lines
8.1 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 "JackWinProcessSync.h"
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#include "JackError.h"
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namespace Jack
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{
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void JackWinProcessSync::Signal()
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{
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if (!SetEvent(fEvent)) {
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jack_error("JackWinProcessSync::Signal SetEvent err = %d", GetLastError());
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}
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}
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void JackWinProcessSync::LockedSignal()
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{
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DWORD res = WaitForSingleObject(fMutex, INFINITE);
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if (res != WAIT_OBJECT_0) {
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jack_error("JackWinProcessSync::LockedSignal WaitForSingleObject err = %d", GetLastError());
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}
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if (!SetEvent(fEvent)) {
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jack_error("JackWinProcessSync::LockedSignal SetEvent err = %d", GetLastError());
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}
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if (!ReleaseMutex(fMutex)) {
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jack_error("JackWinProcessSync::LockedSignal ReleaseMutex err = %d", GetLastError());
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}
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}
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void JackWinProcessSync::SignalAll()
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{
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Signal();
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}
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void JackWinProcessSync::LockedSignalAll()
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{
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LockedSignal();
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}
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/*
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void JackWinProcessSync::Wait()
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{
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if (!ReleaseMutex(fMutex)) {
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jack_error("JackWinProcessSync::Wait ReleaseMutex err = %d", GetLastError());
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}
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DWORD res = WaitForSingleObject(fEvent, INFINITE);
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if (res != WAIT_OBJECT_0) {
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jack_error("JackWinProcessSync::Wait WaitForSingleObject err = %d", GetLastError());
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}
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}
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*/
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void JackWinProcessSync::LockedWait()
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{
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// Does it make sense on Windows, use non-locked version for now...
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Wait();
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}
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/*
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bool JackWinProcessSync::TimedWait(long usec)
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{
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if (!ReleaseMutex(fMutex)) {
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jack_error("JackWinProcessSync::TimedWait ReleaseMutex err = %d", GetLastError());
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}
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DWORD res = WaitForSingleObject(fEvent, usec / 1000);
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if (res != WAIT_OBJECT_0) {
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jack_error("JackWinProcessSync::TimedWait WaitForSingleObject err = %d", GetLastError());
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}
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return (res == WAIT_OBJECT_0);
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}
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*/
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bool JackWinProcessSync::LockedTimedWait(long usec)
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{
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// Does it make sense on Windows, use non-locked version for now...
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return TimedWait(usec);
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}
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void JackWinProcessSync::Wait()
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{
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// In case Wait is called in a "locked" context
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if (ReleaseMutex(fMutex)) {
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HANDLE handles[] = { fMutex, fEvent };
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DWORD res = WaitForMultipleObjects(2, handles, true, INFINITE);
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if (res != WAIT_OBJECT_0) {
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jack_error("JackWinProcessSync::Wait WaitForMultipleObjects err = %d", GetLastError());
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}
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// In case Wait is called in a "non-locked" context
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} else {
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jack_error("JackWinProcessSync::Wait ReleaseMutex err = %d", GetLastError());
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DWORD res = WaitForSingleObject(fEvent, INFINITE);
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if (res != WAIT_OBJECT_0) {
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jack_error("JackWinProcessSync::Wait WaitForSingleObject err = %d", GetLastError());
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}
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}
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if (!ResetEvent(fEvent)) {
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jack_error("JackWinProcessSync::Wait ResetEvent err = %d", GetLastError());
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}
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}
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bool JackWinProcessSync::TimedWait(long usec)
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{
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DWORD res = 0;
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// In case TimedWait is called in a "locked" context
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if (ReleaseMutex(fMutex)) {
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HANDLE handles[] = { fMutex, fEvent };
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res = WaitForMultipleObjects(2, handles, true, usec / 1000);
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if ((res != WAIT_OBJECT_0) && (res != WAIT_TIMEOUT)) {
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jack_error("JackWinProcessSync::TimedWait WaitForMultipleObjects err = %d", GetLastError());
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}
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// In case TimedWait is called in a "non-locked" context
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} else {
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jack_error("JackWinProcessSync::TimedWait ReleaseMutex err = %d", GetLastError());
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res = WaitForSingleObject(fEvent, usec / 1000);
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if (res != WAIT_OBJECT_0) {
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jack_error("JackWinProcessSync::TimedWait WaitForSingleObject err = %d", GetLastError());
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}
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}
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if (!ResetEvent(fEvent)) {
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jack_error("JackWinProcessSync::TimedWait ResetEvent err = %d", GetLastError());
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}
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return (res == WAIT_OBJECT_0);
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}
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/*
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// Code from APPLE CAGuard.cpp : does not seem to work as expected...
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void JackWinProcessSync::Wait()
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{
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if (!ReleaseMutex(fMutex)) {
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jack_error("JackWinProcessSync::Wait ReleaseMutex err = %d", GetLastError());
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}
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DWORD res = WaitForSingleObject(fEvent, INFINITE);
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if (res != WAIT_OBJECT_0) {
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jack_error("JackWinProcessSync::Wait WaitForSingleObject err = %d", GetLastError());
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}
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}
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// Variant that behaves differently depending of the mutex state
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void JackWinProcessSync::Wait()
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{
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if (ReleaseMutex(fMutex)) {
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HANDLE handles[] = { fMutex, fEvent };
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DWORD res = WaitForMultipleObjects(2, handles, true, INFINITE);
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if (res != WAIT_OBJECT_0) {
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jack_error("JackWinProcessSync::LockedWait WaitForMultipleObjects err = %d", GetLastError());
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}
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} else {
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jack_error("JackWinProcessSync::Wait ReleaseMutex err = %d", GetLastError());
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DWORD res = WaitForSingleObject(fEvent, INFINITE);
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if (res != WAIT_OBJECT_0) {
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jack_error("JackWinProcessSync::Wait WaitForSingleObject err = %d", GetLastError());
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}
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}
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if (!ResetEvent(fEvent)) {
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jack_error("JackWinProcessSync::LockedWait ResetEvent err = %d", GetLastError());
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}
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}
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void JackWinProcessSync::LockedWait()
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{
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if (!ReleaseMutex(fMutex)) {
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jack_error("JackWinProcessSync::LockedWait ReleaseMutex err = %d", GetLastError());
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}
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HANDLE handles[] = { fMutex, fEvent };
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DWORD res = WaitForMultipleObjects(2, handles, true, INFINITE);
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if (res != WAIT_OBJECT_0) {
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jack_error("JackWinProcessSync::LockedWait WaitForMultipleObjects err = %d", GetLastError());
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}
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if (!ResetEvent(fEvent)) {
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jack_error("JackWinProcessSync::LockedWait ResetEvent err = %d", GetLastError());
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}
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}
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bool JackWinProcessSync::TimedWait(long usec)
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{
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if (!ReleaseMutex(fMutex)) {
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jack_error("JackWinProcessSync::TimedWait ReleaseMutex err = %d", GetLastError());
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}
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DWORD res = WaitForSingleObject(fEvent, usec / 1000);
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if (res != WAIT_OBJECT_0) {
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jack_error("JackWinProcessSync::TimedWait WaitForSingleObject err = %d", GetLastError());
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}
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return (res == WAIT_OBJECT_0);
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}
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// Variant that behaves differently depending of the mutex state
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bool JackWinProcessSync::TimedWait(long usec)
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{
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if (ReleaseMutex(fMutex)) {
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HANDLE handles[] = { fMutex, fEvent };
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DWORD res = WaitForMultipleObjects(2, handles, true, usec / 1000);
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if ((res != WAIT_OBJECT_0) && (res != WAIT_TIMEOUT)) {
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jack_error("JackWinProcessSync::LockedTimedWait WaitForMultipleObjects err = %d", GetLastError());
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}
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} else {
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jack_error("JackWinProcessSync::TimedWait ReleaseMutex err = %d", GetLastError());
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DWORD res = WaitForSingleObject(fEvent, usec / 1000);
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if (res != WAIT_OBJECT_0) {
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jack_error("JackWinProcessSync::TimedWait WaitForSingleObject err = %d", GetLastError());
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}
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}
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if (!ResetEvent(fEvent)) {
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jack_error("JackWinProcessSync::LockedTimedWait ResetEvent err = %d", GetLastError());
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}
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return (res == WAIT_OBJECT_0);
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}
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bool JackWinProcessSync::LockedTimedWait(long usec)
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{
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if (!ReleaseMutex(fMutex)) {
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jack_error("JackWinProcessSync::LockedTimedWait ReleaseMutex err = %d", GetLastError());
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}
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HANDLE handles[] = { fMutex, fEvent };
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DWORD res = WaitForMultipleObjects(2, handles, true, usec / 1000);
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if ((res != WAIT_OBJECT_0) && (res != WAIT_TIMEOUT)) {
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jack_error("JackWinProcessSync::LockedTimedWait WaitForMultipleObjects err = %d", GetLastError());
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}
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if (!ResetEvent(fEvent)) {
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jack_error("JackWinProcessSync::LockedTimedWait ResetEvent err = %d", GetLastError());
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}
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return (res == WAIT_OBJECT_0);
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}
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*/
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} // end of namespace
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