move libthread to libstb-hal

Origin commit data
------------------
Branch: master
Commit: 95ee7f9e98
Author: smogm <smogm@vh0st.me>
Date: 2015-01-12 (Mon, 12 Jan 2015)


------------------
No further description and justification available within origin commit message!

------------------
This commit was generated by Migit

Makefile.am

@@ -2,11 +2,15 @@ ACLOCAL_AMFLAGS = -I m4
 
 lib_LTLIBRARIES = libstb-hal.la
 libstb_hal_la_SOURCES =
-SUBDIRS = common tools
+SUBDIRS = common tools libthread
 bin_PROGRAMS = libstb-hal-test
 
 libstb_hal_la_LIBADD = \
-	common/libcommon.la
+	common/libcommon.la \
+	libthread/libthread.la
+
+AM_CPPFLAGS = \
+	-I$(top_srcdir)/include
 
 libstb_hal_test_SOURCES = libtest.cpp
 libstb_hal_test_LDADD = libstb-hal.la

common/Makefile.am

@@ -18,7 +18,5 @@ libcommon_la_SOURCES = \
 endif
 
 libcommon_la_SOURCES += \
-	thread_abstraction.cpp \
-	mutex_abstraction.cpp \
 	lt_debug.cpp \
 	proc_tools.c

common/thread_abstraction.cpp

@@ -1,34 +0,0 @@
-#include "thread_abstraction.h"
-
-SimpleThread::SimpleThread() :
-	mIsRunning(false),
-	mThread()
-{
-}
-
-SimpleThread::~SimpleThread()
-{
-	// if thread is still running on object destruction, cancel thread the hard way:
-	if (mIsRunning)
-	{
-		pthread_cancel(mThread);
-	}
-}
-
-void SimpleThread::startThread()
-{
-	mIsRunning = true;
-	pthread_create(&mThread, 0, &SimpleThread::runThread, this);
-}
-
-void SimpleThread::joinThread()
-{
-	pthread_join(mThread, 0);
-	mIsRunning = false;
-}
-
-void* SimpleThread::runThread(void* ptr)
-{
-	static_cast<SimpleThread*>(ptr)->run();
-	return 0;
-}

common/thread_abstraction.h

@@ -1,25 +0,0 @@
-#ifndef _SIMPLETHREAD_ABSTRACTION_H
-#define _SIMPLETHREAD_ABSTRACTION_H
-
-#include <pthread.h>
-
-class SimpleThread
-{
-	bool mIsRunning;
-	pthread_t mThread;
-
-	static void* runThread(void*);
-	SimpleThread(const SimpleThread&);
-	const SimpleThread& operator=(const SimpleThread&);
-
-	public:
-		SimpleThread();
-		~SimpleThread();
-		void startThread();
-		void joinThread();
-
-	protected:
-		virtual void run() = 0;
-};
-
-#endif

configure.ac

@@ -48,6 +48,7 @@ AC_OUTPUT([
 Makefile
 common/Makefile
 libeplayer3/Makefile
+libthread/Makefile
 azbox/Makefile
 generic-pc/Makefile
 libduckbox/Makefile

generic-pc/Makefile.am

@@ -2,6 +2,7 @@ noinst_LTLIBRARIES = libgeneric.la
 
 AM_CPPFLAGS = -D__STDC_FORMAT_MACROS -D__STDC_CONSTANT_MACROS
 AM_CPPFLAGS += \
+	-I$(top_srcdir)/include \
 	-I$(top_srcdir)/common
 
 AM_CXXFLAGS = -fno-rtti -fno-exceptions -fno-strict-aliasing

generic-pc/audio.cpp

@@ -103,7 +103,7 @@ int cAudio::Start(void)
 {
 	lt_debug("%s >\n", __func__);
 	if (! HAL_nodec)
-		SimpleThread::startThread();
+		Thread::startThread();
 	lt_debug("%s <\n", __func__);
 	return 0;
 }
@@ -114,7 +114,7 @@ int cAudio::Stop(void)
 	if (thread_started)
 	{
 		thread_started = false;
-		SimpleThread::joinThread();
+		Thread::joinThread();
 	}
 	lt_debug("%s <\n", __func__);
 	return 0;

generic-pc/audio_lib.h

@@ -4,7 +4,7 @@
 #define _AUDIO_LIB_H_
 
 #include <stdint.h>
-#include "../common/thread_abstraction.h"
+#include <thread_abstraction.h>
 #include "../common/cs_types.h"
 
 typedef enum
@@ -38,7 +38,7 @@ typedef enum
    AUDIO_FMT_ADVANCED = AUDIO_FMT_MLP
 } AUDIO_FORMAT;
 
-class cAudio : public SimpleThread
+class cAudio : public Thread
 {
 	friend class cPlayback;
 	private:

generic-pc/dmx.cpp

@@ -70,12 +70,15 @@ static const char *DMX_T[] = {
 };
 
 /* map the device numbers. for now only demux0 is used */
-static const char *devname[] = {
+#define NUM_DEMUXDEV 1
+static const char *devname[NUM_DEMUXDEV] = {
 	"/dev/dvb/adapter0/demux0",
-	"/dev/dvb/adapter0/demux0",
-	"/dev/dvb/adapter0/demux0"
 };
 
+#define NUM_DEMUX 1
+static int dmx_source[NUM_DEMUX] = { 0 };
+static bool init[NUM_DEMUXDEV] = { false };
+
 /* uuuugly */
 static int dmx_tp_count = 0;
 #define MAX_TS_COUNT 8
@@ -494,12 +497,28 @@ int cDemux::getUnit(void)
 
 bool cDemux::SetSource(int unit, int source)
 {
-	lt_info_c("%s(%d, %d): not implemented yet\n", __func__, unit, source);
+	//lt_info_c("%s(%d, %d): not implemented yet\n", __func__, unit, source);
+	//return true;
+	if (unit >= NUM_DEMUX || unit < 0) {
+		lt_info_c("%s: unit (%d) out of range, NUM_DEMUX %d\n", __func__, unit, NUM_DEMUX);
+		return false;
+	}
+	lt_info_c("%s(%d, %d) => %d to %d\n", __func__, unit, source, dmx_source[unit], source);
+	if (source < 0 || source >= NUM_DEMUXDEV)
+		lt_info_c("%s(%d, %d) ERROR: source %d out of range!\n", __func__, unit, source, source);
+	else
+		dmx_source[unit] = source;
 	return true;
 }
 
 int cDemux::GetSource(int unit)
 {
-	lt_info_c("%s(%d): not implemented yet\n", __func__, unit);
-	return 0;
+	//lt_info_c("%s(%d): not implemented yet\n", __func__, unit);
+	//return 0;
+	if (unit >= NUM_DEMUX || unit < 0) {
+		lt_info_c("%s: unit (%d) out of range, NUM_DEMUX %d\n", __func__, unit, NUM_DEMUX);
+		return -1;
+	}
+	lt_info_c("%s(%d) => %d\n", __func__, unit, dmx_source[unit]);
+	return dmx_source[unit];
 }

generic-pc/glfb.cpp

@@ -97,7 +97,7 @@ GLFramebuffer::GLFramebuffer(int x, int y): mReInit(true), mShutDown(false), mIn
 	if (input_fd < 0)
 		lt_info("%s: could not open /tmp/neutrino.input FIFO: %m\n", __func__);
 	initKeys();
-	SimpleThread::startThread();
+	Thread::startThread();
 	while (!mInitDone)
 		usleep(1);
 }
@@ -105,7 +105,7 @@ GLFramebuffer::GLFramebuffer(int x, int y): mReInit(true), mShutDown(false), mIn
 GLFramebuffer::~GLFramebuffer()
 {
 	mShutDown = true;
-	SimpleThread::joinThread();
+	Thread::joinThread();
 	if (input_fd >= 0)
 		close(input_fd);
 }

generic-pc/glfb.h

@@ -18,8 +18,8 @@
 
 #ifndef __glthread__
 #define __glthread__
-#include "../common/thread_abstraction.h"
-#include "../common/mutex_abstraction.h"
+#include <thread_abstraction.h>
+#include <mutex_abstraction.h>
 
 #include <vector>
 #include <map>
@@ -31,7 +31,7 @@ extern "C" {
 #include <libavutil/rational.h>
 }
 
-class GLFramebuffer : public SimpleThread
+class GLFramebuffer : public Thread
 {
 public:
 	GLFramebuffer(int x, int y);

generic-pc/video.cpp

@@ -141,7 +141,7 @@ int cVideo::Start(void *, unsigned short, unsigned short, void *)
 {
 	lt_debug("%s running %d >\n", __func__, thread_running);
 	if (!thread_running && !HAL_nodec)
-		SimpleThread::startThread();
+		Thread::startThread();
 	lt_debug("%s running %d <\n", __func__, thread_running);
 	return 0;
 }
@@ -151,7 +151,7 @@ int cVideo::Stop(bool)
 	lt_debug("%s running %d >\n", __func__, thread_running);
 	if (thread_running) {
 		thread_running = false;
-		SimpleThread::joinThread();
+		Thread::joinThread();
 	}
 	lt_debug("%s running %d <\n", __func__, thread_running);
 	return 0;

generic-pc/video_lib.h

@@ -1,8 +1,8 @@
 #ifndef _VIDEO_TD_H
 #define _VIDEO_TD_H
 
-#include "../common/thread_abstraction.h"
-#include "../common/mutex_abstraction.h"
+#include <thread_abstraction.h>
+#include <mutex_abstraction.h>
 #include <vector>
 #include <linux/dvb/video.h>
 #include "../common/cs_types.h"
@@ -120,7 +120,7 @@ typedef enum
 
 
 #define VDEC_MAXBUFS 0x30
-class cVideo : public SimpleThread
+class cVideo : public Thread
 {
 	friend class GLFramebuffer;
 	friend class cDemux;

include/condition_abstraction.h

@@ -0,0 +1,23 @@
+#ifndef _CONDITION_ABSTRACTION_H
+#define _CONDITION_ABSTRACTION_H
+
+#include <pthread.h>
+
+#include "mutex_abstraction.h"
+
+class Condition
+{
+	pthread_cond_t mCondition;
+
+	Condition(const Condition&);
+	const Condition& operator=(const Condition&);
+
+	public:
+		Condition();
+		virtual ~Condition();
+		virtual int wait(Mutex* const aMutex);
+		virtual int broadcast();
+		virtual int signal();
+};
+
+#endif

include/mutex_abstraction.h

@@ -5,16 +5,21 @@
 
 class Mutex
 {
+	friend class Condition;
+
 	pthread_mutex_t mMutex;
 
 	Mutex(const Mutex&);
 	const Mutex& operator=(const Mutex&);
 
+	protected:
+		explicit Mutex(int);
+
 	public:
 		Mutex();
 		virtual ~Mutex();
-		void lock();
-		void unlock();
+		virtual void lock();
+		virtual void unlock();
 };
 
 #endif

include/reentrant_mutex.h

@@ -0,0 +1,16 @@
+#ifndef _REENTRANT_MUTEX_H
+#define _REENTRANT_MUTEX_H
+
+#include "mutex_abstraction.h"
+
+class ReentrantMutex : public Mutex
+{
+	ReentrantMutex(const ReentrantMutex&);
+	const ReentrantMutex& operator=(const ReentrantMutex&);
+
+	public:
+		ReentrantMutex();
+		virtual ~ReentrantMutex();
+};
+
+#endif

include/scoped_lock.h

@@ -0,0 +1,18 @@
+#ifndef _SCOPED_LOCK_H
+#define _SCOPED_LOCK_H
+
+#include "mutex_abstraction.h"
+
+class ScopedLock
+{
+	Mutex& mMutex;
+
+	ScopedLock(const ScopedLock&);
+	const ScopedLock& operator=(const ScopedLock&);
+
+	public:
+		ScopedLock(Mutex&);
+		~ScopedLock();
+};
+
+#endif

include/thread_abstraction.h

@@ -0,0 +1,30 @@
+#ifndef _THREAD_ABSTRACTION_H
+#define _THREAD_ABSTRACTION_H
+
+#include <pthread.h>
+
+class Thread
+{
+	bool mIsRunning;
+	pthread_t mThread;
+
+	static void* runThread(void*);
+	Thread(const Thread&);
+	const Thread& operator=(const Thread&);
+
+	public:
+		Thread();
+		virtual ~Thread();
+		int startThread();
+		int cancelThread();
+		int detachThread();
+		int joinThread();
+
+		int setCancelModeDisable();
+		int setSchedulePriority(int);
+
+	protected:
+		virtual void run() = 0;
+};
+
+#endif

libthread/Makefile.am

@@ -0,0 +1,16 @@
+noinst_LTLIBRARIES = libthread.la
+
+AM_CPPFLAGS = -D__STDC_FORMAT_MACROS -D__STDC_CONSTANT_MACROS
+AM_CPPFLAGS += \
+	-I$(top_srcdir)/include
+
+AM_CXXFLAGS = -fno-rtti -fno-exceptions -fno-strict-aliasing
+
+AM_LDFLAGS = -lpthread -lrt
+
+libthread_la_SOURCES = \
+	condition_abstraction.cpp \
+	reentrant_mutex.cpp \
+	scoped_lock.cpp \
+	thread_abstraction.cpp \
+	mutex_abstraction.cpp

libthread/Makefile.in

@@ -0,0 +1,639 @@
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+# @configure_input@
+
+# Copyright (C) 1994-2014 Free Software Foundation, Inc.
+
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+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
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+	mutex_abstraction.cpp
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+	    *$$dep*) \
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+	  $(AUTOMAKE) --foreign libthread/Makefile
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+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
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+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
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+	    echo "$(subdir)/$$i"; \
+	  else \
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+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

libthread/condition_abstraction.cpp

@@ -0,0 +1,27 @@
+#include <condition_abstraction.h>
+
+Condition::Condition() :
+	mCondition()
+{
+	pthread_cond_init(&mCondition, 0);
+}
+
+Condition::~Condition()
+{
+	pthread_cond_destroy(&mCondition);
+}
+
+int Condition::wait(Mutex* const aMutex)
+{
+	return pthread_cond_wait(&mCondition, &(aMutex->mMutex));
+}
+
+int Condition::broadcast()
+{
+	return pthread_cond_broadcast(&mCondition);
+}
+
+int Condition::signal()
+{
+	return pthread_cond_signal(&mCondition);
+}

libthread/mutex_abstraction.cpp

@@ -1,4 +1,4 @@
-#include "mutex_abstraction.h"
+#include <mutex_abstraction.h>
 
 Mutex::Mutex() :
 	mMutex()
@@ -6,6 +6,16 @@ Mutex::Mutex() :
 	pthread_mutex_init(&mMutex, 0);
 }
 
+Mutex::Mutex(int attr) :
+	mMutex()
+{
+	pthread_mutexattr_t Attr;
+
+	pthread_mutexattr_init(&Attr);
+	pthread_mutexattr_settype(&Attr, attr);
+	pthread_mutex_init(&mMutex, &Attr);
+}
+
 Mutex::~Mutex()
 {
 	pthread_mutex_destroy(&mMutex);

libthread/reentrant_mutex.cpp

@@ -0,0 +1,11 @@
+#include <reentrant_mutex.h>
+
+ReentrantMutex::ReentrantMutex() :
+	Mutex(PTHREAD_MUTEX_RECURSIVE)
+{
+}
+
+ReentrantMutex::~ReentrantMutex()
+{
+	//safely destroyed in ~Mutex();
+}

libthread/scoped_lock.cpp

@@ -0,0 +1,12 @@
+#include <scoped_lock.h>
+
+ScopedLock::ScopedLock(Mutex& aMutex) :
+	mMutex(aMutex)
+{
+	mMutex.lock();
+}
+
+ScopedLock::~ScopedLock()
+{
+	mMutex.unlock();
+}

libthread/thread_abstraction.cpp

@@ -0,0 +1,58 @@
+#include <thread_abstraction.h>
+
+Thread::Thread() :
+	mIsRunning(false),
+	mThread()
+{
+}
+
+Thread::~Thread()
+{
+	// if thread is still running on object destruction, cancel thread the hard way:
+	if (mIsRunning)
+	{
+		pthread_cancel(mThread);
+	}
+}
+
+int Thread::startThread()
+{
+	mIsRunning = true;
+	return pthread_create(&mThread, 0, &Thread::runThread, this);
+}
+
+int Thread::cancelThread()
+{
+	return pthread_cancel(mThread);
+	mIsRunning = false;
+}
+
+int Thread::detachThread()
+{
+	mIsRunning = false; // thread shall not cancel on object destruction!
+	return pthread_detach(mThread);
+}
+
+int Thread::joinThread()
+{
+	int ret = pthread_join(mThread, 0);
+	mIsRunning = false;
+	return ret;
+}
+
+int Thread::setCancelModeDisable()
+{
+	return pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, 0);
+}
+
+int Thread::setSchedulePriority(int prio)
+{
+	return pthread_setschedprio(mThread, prio);
+}
+
+void* Thread::runThread(void* ptr)
+{
+	Thread* t = static_cast<Thread*>(ptr);
+	t->run();
+	return 0;
+}