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authorCameron Cawley2019-04-10 23:16:49 +0100
committerFilippos Karapetis2019-04-20 15:53:56 +0300
commit5d7cd526e84d903f34e5ef73f9f33f6a7c5c4736 (patch)
tree6d94ab4e07fa93896a1c25736413ee77194c3cdf
parentd1826ca48ea78c6c04c9fb1f22d3187bdfcf28ea (diff)
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ANDROID: Add a pthreads-based mutex manager
-rw-r--r--backends/module.mk5
-rw-r--r--backends/mutex/pthread/pthread-mutex.cpp70
-rw-r--r--backends/mutex/pthread/pthread-mutex.h40
-rw-r--r--backends/platform/android/android.cpp44
-rw-r--r--backends/platform/android/android.h3
5 files changed, 135 insertions, 27 deletions
diff --git a/backends/module.mk b/backends/module.mk
index 5a49d55e3d..b9c6026b0a 100644
--- a/backends/module.mk
+++ b/backends/module.mk
@@ -199,6 +199,11 @@ MODULE_OBJS += \
taskbar/win32/win32-taskbar.o
endif
+ifeq ($(BACKEND),android)
+MODULE_OBJS += \
+ mutex/pthread/pthread-mutex.o
+endif
+
ifeq ($(BACKEND),androidsdl)
MODULE_OBJS += \
events/androidsdl/androidsdl-events.o \
diff --git a/backends/mutex/pthread/pthread-mutex.cpp b/backends/mutex/pthread/pthread-mutex.cpp
new file mode 100644
index 0000000000..e82d7db2b7
--- /dev/null
+++ b/backends/mutex/pthread/pthread-mutex.cpp
@@ -0,0 +1,70 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#define FORBIDDEN_SYMBOL_EXCEPTION_time_h
+
+#include "common/scummsys.h"
+
+#if defined(__ANDROID__) || defined(IPHONE)
+
+#include "backends/mutex/pthread/pthread-mutex.h"
+
+#include <pthread.h>
+
+
+OSystem::MutexRef PthreadMutexManager::createMutex() {
+ pthread_mutexattr_t attr;
+
+ pthread_mutexattr_init(&attr);
+ pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
+
+ pthread_mutex_t *mutex = new pthread_mutex_t;
+
+ if (pthread_mutex_init(mutex, &attr) != 0) {
+ warning("pthread_mutex_init() failed");
+ delete mutex;
+ return NULL;
+ }
+
+ return (OSystem::MutexRef)mutex;
+}
+
+void PthreadMutexManager::lockMutex(OSystem::MutexRef mutex) {
+ if (pthread_mutex_lock((pthread_mutex_t *)mutex) != 0)
+ warning("pthread_mutex_lock() failed");
+}
+
+void PthreadMutexManager::unlockMutex(OSystem::MutexRef mutex) {
+ if (pthread_mutex_unlock((pthread_mutex_t *)mutex) != 0)
+ warning("pthread_mutex_unlock() failed");
+}
+
+void PthreadMutexManager::deleteMutex(OSystem::MutexRef mutex) {
+ pthread_mutex_t *m = (pthread_mutex_t *)mutex;
+
+ if (pthread_mutex_destroy(m) != 0)
+ warning("pthread_mutex_destroy() failed");
+ else
+ delete m;
+}
+
+#endif
diff --git a/backends/mutex/pthread/pthread-mutex.h b/backends/mutex/pthread/pthread-mutex.h
new file mode 100644
index 0000000000..b3a73b2968
--- /dev/null
+++ b/backends/mutex/pthread/pthread-mutex.h
@@ -0,0 +1,40 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef BACKENDS_MUTEX_PTHREAD_H
+#define BACKENDS_MUTEX_PTHREAD_H
+
+#include "backends/mutex/mutex.h"
+
+/**
+ * pthreads mutex manager
+ */
+class PthreadMutexManager : public MutexManager {
+public:
+ virtual OSystem::MutexRef createMutex();
+ virtual void lockMutex(OSystem::MutexRef mutex);
+ virtual void unlockMutex(OSystem::MutexRef mutex);
+ virtual void deleteMutex(OSystem::MutexRef mutex);
+};
+
+
+#endif
diff --git a/backends/platform/android/android.cpp b/backends/platform/android/android.cpp
index 461b863df8..beb9516fea 100644
--- a/backends/platform/android/android.cpp
+++ b/backends/platform/android/android.cpp
@@ -54,6 +54,7 @@
#include "common/config-manager.h"
#include "backends/keymapper/keymapper.h"
+#include "backends/mutex/pthread/pthread-mutex.h"
#include "backends/saves/default/default-saves.h"
#include "backends/timer/default/default-timer.h"
@@ -132,10 +133,11 @@ OSystem_Android::OSystem_Android(int audio_sample_rate, int audio_buffer_size) :
_show_mouse(false),
_show_overlay(false),
_enable_zoning(false),
+ _mutexManager(0),
_mixer(0),
_shake_offset(0),
_queuedEventTime(0),
- _event_queue_lock(createMutex()),
+ _event_queue_lock(0),
_touch_pt_down(),
_touch_pt_scroll(),
_touch_pt_dt(),
@@ -180,6 +182,9 @@ OSystem_Android::~OSystem_Android() {
_timerManager = 0;
deleteMutex(_event_queue_lock);
+
+ delete _mutexManager;
+ _mutexManager = 0;
}
void *OSystem_Android::timerThreadFunc(void *arg) {
@@ -366,8 +371,11 @@ void OSystem_Android::initBackend() {
// screen. Passing the savepath in this way makes it stick
// (via ConfMan.registerDefault)
_savefileManager = new DefaultSaveFileManager(ConfMan.get("savepath"));
+ _mutexManager = new PthreadMutexManager();
_timerManager = new DefaultTimerManager();
+ _event_queue_lock = createMutex();
+
gettimeofday(&_startTime, 0);
_mixer = new Audio::MixerImpl(this, _audio_sample_rate);
@@ -470,41 +478,23 @@ void OSystem_Android::delayMillis(uint msecs) {
}
OSystem::MutexRef OSystem_Android::createMutex() {
- pthread_mutexattr_t attr;
-
- pthread_mutexattr_init(&attr);
- pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
-
- pthread_mutex_t *mutex = new pthread_mutex_t;
-
- if (pthread_mutex_init(mutex, &attr) != 0) {
- warning("pthread_mutex_init() failed");
-
- delete mutex;
-
- return 0;
- }
-
- return (MutexRef)mutex;
+ assert(_mutexManager);
+ return _mutexManager->createMutex();
}
void OSystem_Android::lockMutex(MutexRef mutex) {
- if (pthread_mutex_lock((pthread_mutex_t *)mutex) != 0)
- warning("pthread_mutex_lock() failed");
+ assert(_mutexManager);
+ _mutexManager->lockMutex(mutex);
}
void OSystem_Android::unlockMutex(MutexRef mutex) {
- if (pthread_mutex_unlock((pthread_mutex_t *)mutex) != 0)
- warning("pthread_mutex_unlock() failed");
+ assert(_mutexManager);
+ _mutexManager->unlockMutex(mutex);
}
void OSystem_Android::deleteMutex(MutexRef mutex) {
- pthread_mutex_t *m = (pthread_mutex_t *)mutex;
-
- if (pthread_mutex_destroy(m) != 0)
- warning("pthread_mutex_destroy() failed");
- else
- delete m;
+ assert(_mutexManager);
+ _mutexManager->deleteMutex(mutex);
}
void OSystem_Android::quit() {
diff --git a/backends/platform/android/android.h b/backends/platform/android/android.h
index 3b33247be1..9f91a65b55 100644
--- a/backends/platform/android/android.h
+++ b/backends/platform/android/android.h
@@ -96,6 +96,8 @@ extern void checkGlError(const char *expr, const char *file, int line);
#define GLTHREADCHECK do { } while (false)
#endif
+class MutexManager;
+
class OSystem_Android : public EventsBaseBackend, public PaletteManager {
private:
// passed from the dark side
@@ -145,6 +147,7 @@ private:
bool _enable_zoning;
bool _virtkeybd_on;
+ MutexManager *_mutexManager;
Audio::MixerImpl *_mixer;
timeval _startTime;