ObjFW  Check-in [1da2e596af]

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				4BA355B914879BDD00442EF4 /* of_strptime.m */,
				4B7769EB1895C07D00D12284 /* resolver.h */,
				4B7769EC1895C07D00D12284 /* resolver.m */,
				4B7DD58718943D4A00990FD6 /* socket.h */,
				4B40EC1A189FE2650031E19E /* socket.m */,
				4B7DD58118942FE200990FD6 /* socket_helpers.h */,
				4B67998B1099E7C50041064A /* threading.h */,
				4B3379CE1979326A0088E97E /* threading.m */,
				4B67998C1099E7C50041064A /* unicode.h */,
				4BFBDD1610A0724800051AFB /* unicode.m */,
				4B6AF97210A8D42E0003FB0A /* windows_1252.m */,
			);
			name = ObjFW;
			sourceTree = "<group>";
		};

				4BB52CC717B8EA7F00B7EBF5 /* codepage_437.m in Sources */,
				4B3D23B41337FC0D00DD29B8 /* iso_8859_15.m in Sources */,
				4B3D23B51337FC0D00DD29B8 /* foundation-compat.m in Sources */,
				4B3D23EE1337FFD000DD29B8 /* of_asprintf.m in Sources */,
				4BA355BA14879BDD00442EF4 /* of_strptime.m in Sources */,
				4B7769EE1895C07D00D12284 /* resolver.m in Sources */,
				4B40EC1B189FE2650031E19E /* socket.m in Sources */,
				4B3379CF1979326A0088E97E /* threading.m in Sources */,
				4B3D23B91337FC0D00DD29B8 /* unicode.m in Sources */,
				4B3D23BA1337FC0D00DD29B8 /* windows_1252.m in Sources */,
				4B90B79F133AD87D00BD33CB /* OFAcceptFailedException.m in Sources */,
				4B90B7A1133AD87D00BD33CB /* OFAddressTranslationFailedException.m in Sources */,
				4B17FF80133A2D17003E6DCD /* OFAllocFailedException.m in Sources */,
				4B90B78E133AD46700BD33CB /* OFAlreadyConnectedException.m in Sources */,
				4B90B7A3133AD87D00BD33CB /* OFBindFailedException.m in Sources */,

			AC_MSG_ERROR(No supported threads found!)
		])
		;;
	esac

	AC_DEFINE(OF_HAVE_THREADS, 1, [Whether we have threads])
	AC_SUBST(USE_SRCS_THREADS, '${SRCS_THREADS}')


	AC_ARG_ENABLE(compiler-tls,
		AS_HELP_STRING([--disable-compiler-tls],
			[disable compiler thread local storage]))
	AS_IF([test x"$enable_compiler_tls" != x"no"], [
		AC_CHECK_HEADERS(threads.h, [
			AC_DEFINE(OF_HAVE_THREADS_H, 1,

RUNTIME_RUNTIME_A = @RUNTIME_RUNTIME_A@
RUNTIME_RUNTIME_LIB_A = @RUNTIME_RUNTIME_LIB_A@
RUNTIME_LIB_A = @RUNTIME_LIB_A@
RUN_TESTS = @RUN_TESTS@
TESTPLUGIN = @TESTPLUGIN@
TESTS_LIBS = @TESTS_LIBS@
TEST_LAUNCHER = @TEST_LAUNCHER@

USE_SRCS_FILES = @USE_SRCS_FILES@
USE_SRCS_PLUGINS = @USE_SRCS_PLUGINS@
USE_SRCS_SOCKETS = @USE_SRCS_SOCKETS@
USE_SRCS_THREADS = @USE_SRCS_THREADS@

	       OFTCPSocket.m		\
	       OFUDPSocket.m		\
	       resolver.m		\
	       socket.m
SRCS_THREADS = OFCondition.m		\
	       OFMutex.m		\
	       OFRecursiveMutex.m	\
	       OFThreadPool.m		\
	       threading.m


INCLUDES := ${SRCS:.m=.h}			\
	    OFCollection.h			\
	    OFHash.h				\
	    OFJSONRepresentation.h		\
	    OFLocking.h				\
	    OFMessagePackRepresentation.h	\
	    OFSerialization.h			\
	    OFTLSSocket.h			\
	    ObjFW.h				\
	    asprintf.h				\
	    autorelease.h			\
	    ${ATOMIC_H}				\
	    block.h				\
	    instance.h				\
	    macros.h				\
	    objfw-defs.h


SRCS += OFArray_adjacent.m		\
	OFArray_adjacentSubarray.m	\
	OFCountedSet_hashtable.m	\
	OFDictionary_hashtable.m	\
	OFMutableArray_adjacent.m	\
	OFMutableDictionary_hashtable.m	\

# define of_thread_is_current(t) (t == GetCurrentThread())
# define of_thread_current GetCurrentThread
#else
# error of_thread_is_current not implemented!
# error of_thread_current not implemented!
#endif


extern bool of_thread_new(of_thread_t *thread, id (*function)(id), id data);















extern bool of_thread_join(of_thread_t thread);



extern bool of_thread_detach(of_thread_t thread);

extern void noreturn of_thread_exit(void);
extern void of_once(of_once_t *control, void (*func)(void));








extern bool of_mutex_new(of_mutex_t *mutex);

extern bool of_mutex_lock(of_mutex_t *mutex);





extern bool of_mutex_trylock(of_mutex_t *mutex);
extern bool of_mutex_unlock(of_mutex_t *mutex);











extern bool of_mutex_free(of_mutex_t *mutex);












extern bool of_rmutex_new(of_rmutex_t *rmutex);




















extern bool of_rmutex_lock(of_rmutex_t *rmutex);

extern bool of_rmutex_trylock(of_rmutex_t *rmutex);










extern bool of_rmutex_unlock(of_rmutex_t *rmutex);

extern bool of_rmutex_free(of_rmutex_t *rmutex);








extern bool of_condition_new(of_condition_t *condition);

extern bool of_condition_signal(of_condition_t *condition);
extern bool of_condition_broadcast(of_condition_t *condition);
extern bool of_condition_wait(of_condition_t *condition, of_mutex_t *mutex);










extern bool of_condition_timed_wait(of_condition_t *condition,

    of_mutex_t *mutex, of_time_interval_t timeout);







extern bool of_condition_free(of_condition_t *condition);


/* TLS keys and spinlocks are inlined for performance. */








































































































































static OF_INLINE bool
of_tlskey_new(of_tlskey_t *key)
{
#if defined(OF_HAVE_PTHREADS)
	return !pthread_key_create(key, NULL);
#elif defined(_WIN32)

	return true;
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
	return !pthread_spin_destroy(spinlock);
#else
	return of_mutex_free(spinlock);
#endif
}

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "threading.h"

bool
of_thread_new(of_thread_t *thread, id (*function)(id), id data)
{
#if defined(OF_HAVE_PTHREADS)
	return (pthread_create(thread, NULL, (void*(*)(void*))function,
	    (__bridge void*)data) == 0);
#elif defined(_WIN32)
	*thread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)function,
	    (__bridge void*)data, 0, NULL);

	return (thread != NULL);
#else
# error of_thread_new not implemented!
#endif
}

bool
of_thread_join(of_thread_t thread)
{
#if defined(OF_HAVE_PTHREADS)
	void *ret;

	if (pthread_join(thread, &ret) != 0)
		return false;

# ifdef PTHREAD_CANCELED
	return (ret != PTHREAD_CANCELED);
# else
	return true;
# endif
#elif defined(_WIN32)
	if (WaitForSingleObject(thread, INFINITE))
		return false;

	CloseHandle(thread);

	return true;
#else
# error of_thread_join not implemented!
#endif
}

bool
of_thread_detach(of_thread_t thread)
{
#if defined(OF_HAVE_PTHREADS)
	return !pthread_detach(thread);
#elif defined(_WIN32)
	/* FIXME */
	return true;
#else
# error of_thread_detach not implemented!
#endif
}

void noreturn
of_thread_exit(void)
{
#if defined(OF_HAVE_PTHREADS)
	pthread_exit(NULL);
#elif defined(_WIN32)
	ExitThread(0);
#else
# error of_thread_exit not implemented!
#endif
	OF_UNREACHABLE
}

void
of_once(of_once_t *control, void (*func)(void))
{
#if defined(OF_HAVE_PTHREADS)
	pthread_once(control, func);
#elif defined(_WIN32)
	switch (InterlockedCompareExchange(control, 1, 0)) {
	case 0:
		func();
		InterlockedIncrement(control);
		break;
	case 1:
		while (*control == 1)
			Sleep(0);
		break;
	}
#else
# error of_once not implemented!
#endif
}

bool
of_mutex_new(of_mutex_t *mutex)
{
#if defined(OF_HAVE_PTHREADS)
	return !pthread_mutex_init(mutex, NULL);
#elif defined(_WIN32)
	InitializeCriticalSection(mutex);
	return true;
#else
# error of_mutex_new not implemented!
#endif
}

bool
of_mutex_lock(of_mutex_t *mutex)
{
#if defined(OF_HAVE_PTHREADS)
	return !pthread_mutex_lock(mutex);
#elif defined(_WIN32)
	EnterCriticalSection(mutex);
	return true;
#else
# error of_mutex_lock not implemented!
#endif
}

bool
of_mutex_trylock(of_mutex_t *mutex)
{
#if defined(OF_HAVE_PTHREADS)
	return !pthread_mutex_trylock(mutex);
#elif defined(_WIN32)
	return TryEnterCriticalSection(mutex);
#else
# error of_mutex_trylock not implemented!
#endif
}

bool
of_mutex_unlock(of_mutex_t *mutex)
{
#if defined(OF_HAVE_PTHREADS)
	return (pthread_mutex_unlock(mutex) == 0);
#elif defined(_WIN32)
	LeaveCriticalSection(mutex);
	return true;
#else
# error of_mutex_unlock not implemented!
#endif
}

bool
of_mutex_free(of_mutex_t *mutex)
{
#if defined(OF_HAVE_PTHREADS)
	return !pthread_mutex_destroy(mutex);
#elif defined(_WIN32)
	DeleteCriticalSection(mutex);
	return true;
#else
# error of_mutex_free not implemented!
#endif
}

bool
of_rmutex_new(of_rmutex_t *rmutex)
{
#ifdef OF_HAVE_RECURSIVE_PTHREAD_MUTEXES
	pthread_mutexattr_t attr;

	if (pthread_mutexattr_init(&attr) != 0)
		return false;

	if (pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE) != 0)
		return false;

	if (pthread_mutex_init(rmutex, &attr) != 0)
		return false;

	if (pthread_mutexattr_destroy(&attr) != 0)
		return false;

	return true;
#else
	if (!of_mutex_new(&rmutex->mutex))
		return false;

	if (!of_tlskey_new(&rmutex->count))
		return false;

	return true;
#endif
}

bool
of_rmutex_lock(of_rmutex_t *rmutex)
{
#ifdef OF_HAVE_RECURSIVE_PTHREAD_MUTEXES
	return of_mutex_lock(rmutex);
#else
	uintptr_t count = (uintptr_t)of_tlskey_get(rmutex->count);

	if (count > 0) {
		if (!of_tlskey_set(rmutex->count, (void*)(count + 1)))
			return false;

		return true;
	}

	if (!of_mutex_lock(&rmutex->mutex))
		return false;

	if (!of_tlskey_set(rmutex->count, (void*)1)) {
		of_mutex_unlock(&rmutex->mutex);
		return false;
	}

	return true;
#endif
}

bool
of_rmutex_trylock(of_rmutex_t *rmutex)
{
#ifdef OF_HAVE_RECURSIVE_PTHREAD_MUTEXES
	return of_mutex_trylock(rmutex);
#else
	uintptr_t count = (uintptr_t)of_tlskey_get(rmutex->count);

	if (count > 0) {
		if (!of_tlskey_set(rmutex->count, (void*)(count + 1)))
			return false;

		return true;
	}

	if (!of_mutex_trylock(&rmutex->mutex))
		return false;

	if (!of_tlskey_set(rmutex->count, (void*)1)) {
		of_mutex_unlock(&rmutex->mutex);
		return false;
	}

	return true;
#endif
}

bool
of_rmutex_unlock(of_rmutex_t *rmutex)
{
#ifdef OF_HAVE_RECURSIVE_PTHREAD_MUTEXES
	return of_mutex_unlock(rmutex);
#else
	uintptr_t count = (uintptr_t)of_tlskey_get(rmutex->count);

	if (count > 1) {
		if (!of_tlskey_set(rmutex->count, (void*)(count - 1)))
			return false;

		return true;
	}

	if (!of_tlskey_set(rmutex->count, (void*)0))
		return false;

	if (!of_mutex_unlock(&rmutex->mutex))
		return false;

	return true;
#endif
}

bool
of_rmutex_free(of_rmutex_t *rmutex)
{
#ifdef OF_HAVE_RECURSIVE_PTHREAD_MUTEXES
	return of_mutex_free(rmutex);
#else
	if (!of_mutex_free(&rmutex->mutex))
		return false;

	if (!of_tlskey_free(rmutex->count))
		return false;

	return true;
#endif
}

bool
of_condition_new(of_condition_t *condition)
{
#if defined(OF_HAVE_PTHREADS)
	return (pthread_cond_init(condition, NULL) == 0);
#elif defined(_WIN32)
	condition->count = 0;

	if ((condition->event = CreateEvent(NULL, FALSE, 0, NULL)) == NULL)
		return false;

	return true;
#else
# error of_condition_new not implemented!
#endif
}

bool
of_condition_signal(of_condition_t *condition)
{
#if defined(OF_HAVE_PTHREADS)
	return !pthread_cond_signal(condition);
#elif defined(_WIN32)
	return SetEvent(condition->event);
#else
# error of_condition_signal not implemented!
#endif
}

bool
of_condition_broadcast(of_condition_t *condition)
{
#if defined(OF_HAVE_PTHREADS)
	return !pthread_cond_broadcast(condition);
#elif defined(_WIN32)
	int i;

	for (i = 0; i < condition->count; i++)
		if (!SetEvent(condition->event))
			return false;

	return true;
#else
# error of_condition_broadcast not implemented!
#endif
}

bool
of_condition_wait(of_condition_t *condition, of_mutex_t *mutex)
{
#if defined(OF_HAVE_PTHREADS)
	return !pthread_cond_wait(condition, mutex);
#elif defined(_WIN32)
	if (!of_mutex_unlock(mutex))
		return false;

	of_atomic_int_inc(&condition->count);

	if (WaitForSingleObject(condition->event, INFINITE) != WAIT_OBJECT_0) {
		of_mutex_lock(mutex);
		return false;
	}

	of_atomic_int_dec(&condition->count);

	if (!of_mutex_lock(mutex))
		return false;

	return true;
#else
# error of_condition_wait not implemented!
#endif
}

bool
of_condition_timed_wait(of_condition_t *condition, of_mutex_t *mutex,
    of_time_interval_t timeout)
{
#if defined(OF_HAVE_PTHREADS)
	struct timespec ts;

	ts.tv_sec = (time_t)timeout;
	ts.tv_nsec = lrint((timeout - ts.tv_sec) * 1000000000);

	return !pthread_cond_timedwait(condition, mutex, &ts);
#elif defined(_WIN32)
	if (!of_mutex_unlock(mutex))
		return false;

	of_atomic_int_inc(&condition->count);

	if (WaitForSingleObject(condition->event,
	    timeout * 1000) != WAIT_OBJECT_0) {
		of_mutex_lock(mutex);
		return false;
	}

	of_atomic_int_dec(&condition->count);

	if (!of_mutex_lock(mutex))
		return false;

	return true;
#else
# error of_condition_timed_wait not implemented!
#endif
}

bool
of_condition_free(of_condition_t *condition)
{
#if defined(OF_HAVE_PTHREADS)
	return !pthread_cond_destroy(condition);
#elif defined(_WIN32)
	if (condition->count)
		return false;

	return CloseHandle(condition->event);
#else
# error of_condition_free not implemented!
#endif
}