pthread.h 43.2 KB
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/*
 * Posix Threads library for Microsoft Windows
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 *
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 * Use at own risk, there is no implied warranty to this code.
 * It uses undocumented features of Microsoft Windows that can change
 * at any time in the future.
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 *
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 * (C) 2010 Lockless Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
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 *
 *
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 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  * Neither the name of Lockless Inc. nor the names of its contributors may be
 *    used to endorse or promote products derived from this software without
 *    specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AN
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
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 */

/*
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 * You may want to use the MingW64 winpthreads library instead.
 * It is based on this, but adds error checking.
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 */

/*
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 * Version 1.0.1 Released 2 Feb 2012
 * Fixes pthread_barrier_destroy() to wait for threads to exit the barrier.
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 */

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#ifndef WIN_PTHREADS
#define WIN_PTHREADS
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#include <windows.h>
#include <intrin.h>
#include <setjmp.h>
#include <errno.h>
#include <sys/timeb.h>
#include <process.h>
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#define ETIMEDOUT	110
#define ENOTSUP		134
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#define PTHREAD_CANCEL_DISABLE 0
#define PTHREAD_CANCEL_ENABLE 0x01
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#define PTHREAD_CANCEL_DEFERRED 0
#define PTHREAD_CANCEL_ASYNCHRONOUS 0x02
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#define PTHREAD_CREATE_JOINABLE 0
#define PTHREAD_CREATE_DETACHED 0x04
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#define PTHREAD_EXPLICT_SCHED 0
#define PTHREAD_INHERIT_SCHED 0x08
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#define PTHREAD_SCOPE_PROCESS 0
#define PTHREAD_SCOPE_SYSTEM 0x10

#define PTHREAD_DEFAULT_ATTR (PTHREAD_CANCEL_ENABLE)

#define PTHREAD_CANCELED ((void *) 0xDEADBEEF)

#define PTHREAD_ONCE_INIT 0
#define PTHREAD_MUTEX_INITIALIZER {(void*)-1,-1,0,0,0,0}
#define PTHREAD_RWLOCK_INITIALIZER {0}
#define PTHREAD_COND_INITIALIZER {0}
#define PTHREAD_BARRIER_INITIALIZER \
	{0,0,PTHREAD_MUTEX_INITIALIZER,PTHREAD_COND_INITIALIZER}
#define PTHREAD_SPINLOCK_INITIALIZER 0

#define PTHREAD_DESTRUCTOR_ITERATIONS 256
#define PTHREAD_KEYS_MAX (1<<20)

#define PTHREAD_MUTEX_NORMAL 0
#define PTHREAD_MUTEX_ERRORCHECK 1
#define PTHREAD_MUTEX_RECURSIVE 2
#define PTHREAD_MUTEX_DEFAULT 3
#define PTHREAD_MUTEX_SHARED 4
#define PTHREAD_MUTEX_PRIVATE 0
#define PTHREAD_PRIO_NONE 0
#define PTHREAD_PRIO_INHERIT 8
#define PTHREAD_PRIO_PROTECT 16
#define PTHREAD_PRIO_MULT 32
#define PTHREAD_PROCESS_SHARED 0
#define PTHREAD_PROCESS_PRIVATE 1

#define PTHREAD_BARRIER_SERIAL_THREAD 1

#ifdef _X86_
    #define INTERLOCKED_COMPARE_EXCHANGE(destination, exchange, comparand) _InterlockedCompareExchange((volatile long*) destination, (long) exchange, (long) comparand)
#else
    #define INTERLOCKED_COMPARE_EXCHANGE(destination, exchange, comparand) _InterlockedCompareExchangePointer((volatile PVOID*) destination, (void*) exchange, (void*) comparand)
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#endif

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#if defined(PTHREAD_BUILDING_SHARED_LIBRARY)
    #define PTHREAD_EXPORT __declspec(dllexport)
#elif defined(PTHREAD_BUILDING_STATIC_LIBRARY)
    #define PTHREAD_EXPORT
#else
    #define PTHREAD_EXPORT __declspec(dllimport)
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#endif


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/* Windows doesn't have this, so declare it ourselves. */
struct timespec
{
	/* long long in windows is the same as long in unix for 64bit */
	long long tv_sec;
	long long tv_nsec;
};
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typedef struct _pthread_cleanup _pthread_cleanup;
struct _pthread_cleanup
{
	void (*func)(void *);
	void *arg;
	_pthread_cleanup *next;
};
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struct _pthread_v
{
	void *ret_arg;
	void *(* func)(void *);
	_pthread_cleanup *clean;
	HANDLE h;
	int cancelled;
	unsigned p_state;
	int keymax;
	void **keyval;

	jmp_buf jb;
};
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typedef struct _pthread_v *pthread_t;

typedef struct pthread_barrier_t pthread_barrier_t;
struct pthread_barrier_t
{
	int count;
	int total;
	CRITICAL_SECTION m;
	CONDITION_VARIABLE cv;
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};

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typedef struct pthread_attr_t pthread_attr_t;
struct pthread_attr_t
{
	unsigned p_state;
	void *stack;
	size_t s_size;
};
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typedef long pthread_once_t;
typedef unsigned pthread_mutexattr_t;
typedef SRWLOCK pthread_rwlock_t;
typedef CRITICAL_SECTION pthread_mutex_t;
typedef unsigned pthread_key_t;
typedef void *pthread_barrierattr_t;
typedef long pthread_spinlock_t;
typedef int pthread_condattr_t;
typedef CONDITION_VARIABLE pthread_cond_t;
typedef int pthread_rwlockattr_t;
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extern PTHREAD_EXPORT volatile long _pthread_cancelling;

extern PTHREAD_EXPORT int _pthread_concur;

/* Will default to zero as needed */
extern PTHREAD_EXPORT pthread_once_t _pthread_tls_once;
extern PTHREAD_EXPORT DWORD _pthread_tls;
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/* Note initializer is zero, so this works */
extern PTHREAD_EXPORT pthread_rwlock_t _pthread_key_lock;
extern PTHREAD_EXPORT long _pthread_key_max;
extern PTHREAD_EXPORT long _pthread_key_sch;
extern PTHREAD_EXPORT void (**_pthread_key_dest)(void *);


#define pthread_cleanup_push(F, A)\
{\
	const _pthread_cleanup _pthread_cup = {(F), (A), pthread_self()->clean};\
	_ReadWriteBarrier();\
	pthread_self()->clean = (_pthread_cleanup *) &_pthread_cup;\
	_ReadWriteBarrier()

/* Note that if async cancelling is used, then there is a race here */
#define pthread_cleanup_pop(E)\
	(pthread_self()->clean = _pthread_cup.next, (E?_pthread_cup.func(_pthread_cup.arg):0));}

static void _pthread_once_cleanup(pthread_once_t *o)
{
	*o = 0;
}

static pthread_t pthread_self(void);
static int pthread_once(pthread_once_t *o, void (*func)(void))
{
	long state = *o;

	_ReadWriteBarrier();

	while (state != 1)
	{
		if (!state)
		{
			if (!_InterlockedCompareExchange(o, 2, 0))
			{
				/* Success */
#ifdef __cplusplus
				pthread_cleanup_push(reinterpret_cast<void (__cdecl *)(void *)>(_pthread_once_cleanup), o);
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#else
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                pthread_cleanup_push(_pthread_once_cleanup, o);
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#endif
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				func();
				pthread_cleanup_pop(0);
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				/* Mark as done */
				*o = 1;
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				return 0;
			}
		}
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		YieldProcessor();
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		_ReadWriteBarrier();
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		state = *o;
	}
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	/* Done */
	return 0;
}
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static int _pthread_once_raw(pthread_once_t *o, void (*func)(void))
{
	long state = *o;
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	_ReadWriteBarrier();
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	while (state != 1)
	{
		if (!state)
		{
			if (!_InterlockedCompareExchange(o, 2, 0))
			{
				/* Success */
				func();
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				/* Mark as done */
				*o = 1;
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				return 0;
			}
		}

		YieldProcessor();

		_ReadWriteBarrier();

		state = *o;
	}

	/* Done */
	return 0;
}

static int pthread_mutex_lock(pthread_mutex_t *m)
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{
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	EnterCriticalSection(m);
	return 0;
}
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static int pthread_mutex_unlock(pthread_mutex_t *m)
{
	LeaveCriticalSection(m);
	return 0;
}
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static int pthread_mutex_trylock(pthread_mutex_t *m)
{
	return TryEnterCriticalSection(m) ? 0 : EBUSY;
}
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static int pthread_mutex_init(pthread_mutex_t *m, pthread_mutexattr_t *a)
{
	(void) a;
	InitializeCriticalSection(m);
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	return 0;
}
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static int pthread_mutex_destroy(pthread_mutex_t *m)
{
	DeleteCriticalSection(m);
	return 0;
}
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#define pthread_mutex_getprioceiling(M, P) ENOTSUP
#define pthread_mutex_setprioceiling(M, P) ENOTSUP
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static int pthread_equal(pthread_t t1, pthread_t t2)
{
	return t1 == t2;
}
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static void pthread_testcancel(void);
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static int pthread_rwlock_init(pthread_rwlock_t *l, pthread_rwlockattr_t *a)
{
	(void) a;
	InitializeSRWLock(l);
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	return 0;
}
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static int pthread_rwlock_destroy(pthread_rwlock_t *l)
{
	(void) *l;
	return 0;
}
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static int pthread_rwlock_rdlock(pthread_rwlock_t *l)
{
	pthread_testcancel();
	AcquireSRWLockShared(l);
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	return 0;
}
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static int pthread_rwlock_wrlock(pthread_rwlock_t *l)
{
	pthread_testcancel();
	AcquireSRWLockExclusive(l);
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	return 0;
}
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static void pthread_tls_init(void)
{
	_pthread_tls = TlsAlloc();
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	/* Cannot continue if out of indexes */
	if (_pthread_tls == TLS_OUT_OF_INDEXES) abort();
}
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static int pthread_rwlock_unlock(pthread_rwlock_t *l)
{
	void *state = *(void **)l;

	if (state == (void *) 1)
	{
		/* Known to be an exclusive lock */
		ReleaseSRWLockExclusive(l);
	}
	else
	{
		/* A shared unlock will work */
		ReleaseSRWLockShared(l);
	}

	return 0;
}

static void _pthread_cleanup_dest(pthread_t t)
{
	int i, j;

	for (j = 0; j < PTHREAD_DESTRUCTOR_ITERATIONS; j++)
	{
		int flag = 0;

		for (i = 0; i < t->keymax; i++)
		{
			void *val = t->keyval[i];

			if (val)
			{
				pthread_rwlock_rdlock(&_pthread_key_lock);
				if ((uintptr_t) _pthread_key_dest[i] > 1)
				{
					/* Call destructor */
					t->keyval[i] = NULL;
					_pthread_key_dest[i](val);
					flag = 1;
				}
				pthread_rwlock_unlock(&_pthread_key_lock);
			}
		}

		/* Nothing to do? */
		if (!flag) return;
	}
}

static pthread_t pthread_self(void)
{
	pthread_t t;
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	_pthread_once_raw(&_pthread_tls_once, pthread_tls_init);
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	t = (pthread_t) TlsGetValue(_pthread_tls);
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	/* Main thread? */
	if (!t)
	{
		t = (pthread_t) malloc(sizeof(struct _pthread_v));
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		/* If cannot initialize main thread, then the only thing we can do is abort */
		if (!t) abort();
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		t->ret_arg = NULL;
		t->func = NULL;
		t->clean = NULL;
		t->cancelled = 0;
		t->p_state = PTHREAD_DEFAULT_ATTR;
		t->keymax = 0;
		t->keyval = NULL;
		t->h = GetCurrentThread();
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		/* Save for later */
		TlsSetValue(_pthread_tls, t);
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		if (setjmp(t->jb))
		{
			/* Make sure we free ourselves if we are detached */
			if (!t->h) free(t);
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			/* Time to die */
			_endthreadex(0);
		}
	}
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	return t;
}
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static int pthread_rwlock_tryrdlock(pthread_rwlock_t *l)
{
	/* Get the current state of the lock */
	void *state = *(void **) l;
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	if (!state)
	{
		/* Unlocked to locked */
		if (!INTERLOCKED_COMPARE_EXCHANGE((volatile PVOID *) l, (void *)0x11, NULL)) return 0;
		return EBUSY;
	}
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	/* A single writer exists */
	if (state == (void *) 1) return EBUSY;
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	/* Multiple writers exist? */
	if ((uintptr_t) state & 14) return EBUSY;
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	if ((void*) INTERLOCKED_COMPARE_EXCHANGE((volatile PVOID *) l, (void *) ((uintptr_t)state + 16), state) == state) return 0;
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	return EBUSY;
}
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static int pthread_rwlock_trywrlock(pthread_rwlock_t *l)
{
	/* Try to grab lock if it has no users */
	if (!INTERLOCKED_COMPARE_EXCHANGE((volatile PVOID *) l, (void *)1, NULL)) return 0;
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	return EBUSY;
}
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static unsigned long long _pthread_time_in_ms(void)
{
	struct __timeb64 tb;
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	_ftime64(&tb);
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	return tb.time * 1000 + tb.millitm;
}
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static unsigned long long _pthread_time_in_ms_from_timespec(const struct timespec *ts)
{
	unsigned long long t = ts->tv_sec * 1000;
	t += ts->tv_nsec / 1000000;

	return t;
}
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static unsigned long long _pthread_rel_time_in_ms(const struct timespec *ts)
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{
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	unsigned long long t1 = _pthread_time_in_ms_from_timespec(ts);
	unsigned long long t2 = _pthread_time_in_ms();
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	/* Prevent underflow */
	if (t1 < t2) return 0;
	return t1 - t2;
}
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static int pthread_rwlock_timedrdlock(pthread_rwlock_t *l, const struct timespec *ts)
{
	unsigned long long ct = _pthread_time_in_ms();
	unsigned long long t = _pthread_time_in_ms_from_timespec(ts);
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	pthread_testcancel();
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	/* Use a busy-loop */
	while (1)
	{
		/* Try to grab lock */
		if (!pthread_rwlock_tryrdlock(l)) return 0;
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		/* Get current time */
		ct = _pthread_time_in_ms();
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		/* Have we waited long enough? */
		if (ct > t) return ETIMEDOUT;
	}
}
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static int pthread_rwlock_timedwrlock(pthread_rwlock_t *l, const struct timespec *ts)
{
	unsigned long long ct = _pthread_time_in_ms();
	unsigned long long t = _pthread_time_in_ms_from_timespec(ts);
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	pthread_testcancel();
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	/* Use a busy-loop */
	while (1)
	{
		/* Try to grab lock */
		if (!pthread_rwlock_trywrlock(l)) return 0;
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		/* Get current time */
		ct = _pthread_time_in_ms();
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		/* Have we waited long enough? */
		if (ct > t) return ETIMEDOUT;
	}
}
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static int pthread_get_concurrency(int *val)
{
	*val = _pthread_concur;
	return 0;
}
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static int pthread_set_concurrency(int val)
{
	_pthread_concur = val;
	return 0;
}
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#define pthread_getschedparam(T, P, S) ENOTSUP
#define pthread_setschedparam(T, P, S) ENOTSUP
#define pthread_getcpuclockid(T, C) ENOTSUP

static int pthread_exit(void *res)
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{
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	pthread_t t = pthread_self();

	t->ret_arg = res;

	_pthread_cleanup_dest(t);

	longjmp(t->jb, 1);
}


static void _pthread_invoke_cancel(void)
{
	_pthread_cleanup *pcup;

	_InterlockedDecrement(&_pthread_cancelling);

	/* Call cancel queue */
	for (pcup = pthread_self()->clean; pcup; pcup = pcup->next)
	{
		pcup->func(pcup->arg);
	}

	pthread_exit(PTHREAD_CANCELED);
}

static void pthread_testcancel(void)
{
	if (_pthread_cancelling)
	{
		pthread_t t = pthread_self();

		if (t->cancelled && (t->p_state & PTHREAD_CANCEL_ENABLE))
		{
			_pthread_invoke_cancel();
		}
	}
}


static int pthread_cancel(pthread_t t)
{
	if (t->p_state & PTHREAD_CANCEL_ASYNCHRONOUS)
	{
		/* Dangerous asynchronous cancelling */
		CONTEXT ctxt;

		/* Already done? */
		if (t->cancelled) return ESRCH;
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		ctxt.ContextFlags = CONTEXT_CONTROL;
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		SuspendThread(t->h);
		GetThreadContext(t->h, &ctxt);
#ifdef _M_X64
		ctxt.Rip = (uintptr_t) _pthread_invoke_cancel;
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#else
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		ctxt.Eip = (uintptr_t) _pthread_invoke_cancel;
#endif
		SetThreadContext(t->h, &ctxt);
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		/* Also try deferred Cancelling */
		t->cancelled = 1;
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		/* Notify everyone to look */
		_InterlockedIncrement(&_pthread_cancelling);
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		ResumeThread(t->h);
	}
	else
	{
		/* Safe deferred Cancelling */
		t->cancelled = 1;
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		/* Notify everyone to look */
		_InterlockedIncrement(&_pthread_cancelling);
	}
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	return 0;
}
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static unsigned _pthread_get_state(pthread_attr_t *attr, unsigned flag)
{
	return attr->p_state & flag;
}
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static int _pthread_set_state(pthread_attr_t *attr, unsigned flag, unsigned val)
{
	if (~flag & val) return EINVAL;
	attr->p_state &= ~flag;
	attr->p_state |= val;
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	return 0;
}
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static int pthread_attr_init(pthread_attr_t *attr)
{
	attr->p_state = PTHREAD_DEFAULT_ATTR;
	attr->stack = NULL;
	attr->s_size = 0;
	return 0;
}
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static int pthread_attr_destroy(pthread_attr_t *attr)
{
	/* No need to do anything */
	return 0;
}
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static int pthread_attr_setdetachstate(pthread_attr_t *a, int flag)
{
	return _pthread_set_state(a, PTHREAD_CREATE_DETACHED, flag);
}
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static int pthread_attr_getdetachstate(pthread_attr_t *a, int *flag)
{
	*flag = _pthread_get_state(a, PTHREAD_CREATE_DETACHED);
	return 0;
}
692

693
694
695
696
static int pthread_attr_setinheritsched(pthread_attr_t *a, int flag)
{
	return _pthread_set_state(a, PTHREAD_INHERIT_SCHED, flag);
}
697

698
699
700
701
702
static int pthread_attr_getinheritsched(pthread_attr_t *a, int *flag)
{
	*flag = _pthread_get_state(a, PTHREAD_INHERIT_SCHED);
	return 0;
}
703

704
705
706
707
static int pthread_attr_setscope(pthread_attr_t *a, int flag)
{
	return _pthread_set_state(a, PTHREAD_SCOPE_SYSTEM, flag);
}
708

709
710
711
712
713
static int pthread_attr_getscope(pthread_attr_t *a, int *flag)
{
	*flag = _pthread_get_state(a, PTHREAD_SCOPE_SYSTEM);
	return 0;
}
714

715
716
717
718
719
static int pthread_attr_getstackaddr(pthread_attr_t *attr, void **stack)
{
	*stack = attr->stack;
	return 0;
}
720

721
722
723
724
725
static int pthread_attr_setstackaddr(pthread_attr_t *attr, void *stack)
{
	attr->stack = stack;
	return 0;
}
726

727
728
729
730
731
static int pthread_attr_getstacksize(pthread_attr_t *attr, size_t *size)
{
	*size = attr->s_size;
	return 0;
}
732

733
734
735
736
737
static int pthread_attr_setstacksize(pthread_attr_t *attr, size_t size)
{
	attr->s_size = size;
	return 0;
}
738

739
740
741
742
743
744
#define pthread_attr_getguardsize(A, S) ENOTSUP
#define pthread_attr_setgaurdsize(A, S) ENOTSUP
#define pthread_attr_getschedparam(A, S) ENOTSUP
#define pthread_attr_setschedparam(A, S) ENOTSUP
#define pthread_attr_getschedpolicy(A, S) ENOTSUP
#define pthread_attr_setschedpolicy(A, S) ENOTSUP
745
746


747
748
749
static int pthread_setcancelstate(int state, int *oldstate)
{
	pthread_t t = pthread_self();
750

751
752
753
754
	if ((state & PTHREAD_CANCEL_ENABLE) != state) return EINVAL;
	if (oldstate) *oldstate = t->p_state & PTHREAD_CANCEL_ENABLE;
	t->p_state &= ~PTHREAD_CANCEL_ENABLE;
	t->p_state |= state;
755

756
757
	return 0;
}
758

759
760
761
static int pthread_setcanceltype(int type, int *oldtype)
{
	pthread_t t = pthread_self();
762

763
764
765
766
	if ((type & PTHREAD_CANCEL_ASYNCHRONOUS) != type) return EINVAL;
	if (oldtype) *oldtype = t->p_state & PTHREAD_CANCEL_ASYNCHRONOUS;
	t->p_state &= ~PTHREAD_CANCEL_ASYNCHRONOUS;
	t->p_state |= type;
767

768
769
	return 0;
}
770

771
772
773
774
static int pthread_create_wrapper(void *args)
{
	struct _pthread_v *tv = (_pthread_v*) args;
	int i, j;
775

776
	_pthread_once_raw(&_pthread_tls_once, pthread_tls_init);
777

778
	TlsSetValue(_pthread_tls, tv);
779

780
781
782
783
	if (!setjmp(tv->jb))
	{
		/* Call function and save return value */
		tv->ret_arg = tv->func(tv->ret_arg);
784

785
786
787
		/* Clean up destructors */
		_pthread_cleanup_dest(tv);
	}
788

789
790
791
792
793
794
	/* If we exit too early, then we can race with create */
	while (tv->h == (HANDLE) -1)
	{
		YieldProcessor();
		_ReadWriteBarrier();
	}
795

796
797
	/* Make sure we free ourselves if we are detached */
	if (!tv->h) free(tv);
798

799
800
	return 0;
}
801

802
803
804
805
static int pthread_create(pthread_t *th, pthread_attr_t *attr, void *(* func)(void *), void *arg)
{
	struct _pthread_v *tv = (_pthread_v*) malloc(sizeof(struct _pthread_v));
	unsigned ssize = 0;
806

807
	if (!tv) return 1;
808

809
	*th = tv;
810

811
812
813
814
815
816
817
818
819
	/* Save data in pthread_t */
	tv->ret_arg = arg;
	tv->func = func;
	tv->clean = NULL;
	tv->cancelled = 0;
	tv->p_state = PTHREAD_DEFAULT_ATTR;
	tv->keymax = 0;
	tv->keyval = NULL;
	tv->h = (HANDLE) -1;
820

821
822
823
824
825
	if (attr)
	{
		tv->p_state = attr->p_state;
		ssize = attr->s_size;
	}
826

827
828
	/* Make sure tv->h has value of -1 */
	_ReadWriteBarrier();
829

830
831
832
833
834
#ifdef __cplusplus
	tv->h = (HANDLE) _beginthreadex(NULL, ssize, reinterpret_cast<unsigned int (__stdcall *)(void *)>(pthread_create_wrapper), tv, 0, NULL);
#else
    tv->h = (HANDLE) _beginthreadex(NULL, ssize, pthread_create_wrapper, tv, 0, NULL);
#endif
835

836
837
	/* Failed */
	if (!tv->h) return 1;
838

839
840
841
842
843
844
	if (tv->p_state & PTHREAD_CREATE_DETACHED)
	{
		CloseHandle(tv->h);
		_ReadWriteBarrier();
		tv->h = 0;
	}
845

846
847
	return 0;
}
848

849
850
851
static int pthread_join(pthread_t t, void **res)
{
	struct _pthread_v *tv = t;
852

853
	pthread_testcancel();
854

855
856
	WaitForSingleObject(tv->h, INFINITE);
	CloseHandle(tv->h);
857

858
859
	/* Obtain return value */
	if (res) *res = tv->ret_arg;
860

861
	free(tv);
862

863
864
	return 0;
}
865

866
867
868
static int pthread_detach(pthread_t t)
{
	struct _pthread_v *tv = t;
869

870
871
872
873
	/*
	 * This can't race with thread exit because
	 * our call would be undefined if called on a dead thread.
	 */
874

875
876
877
	CloseHandle(tv->h);
	_ReadWriteBarrier();
	tv->h = 0;
878

879
880
	return 0;
}
881

882
883
884
885
886
static int pthread_mutexattr_init(pthread_mutexattr_t *a)
{
	*a = 0;
	return 0;
}
887

888
889
890
891
892
static int pthread_mutexattr_destroy(pthread_mutexattr_t *a)
{
	(void) a;
	return 0;
}
893

894
895
896
static int pthread_mutexattr_gettype(pthread_mutexattr_t *a, int *type)
{
	*type = *a & 3;
897

898
899
	return 0;
}
900

901
902
903
904
905
static int pthread_mutexattr_settype(pthread_mutexattr_t *a, int type)
{
	if ((unsigned) type > 3) return EINVAL;
	*a &= ~3;
	*a |= type;
906

907
908
	return 0;
}
909

910
911
912
static int pthread_mutexattr_getpshared(pthread_mutexattr_t *a, int *type)
{
	*type = *a & 4;
913

914
915
	return 0;
}
916

917
918
919
static int pthread_mutexattr_setpshared(pthread_mutexattr_t * a, int type)
{
	if ((type & 4) != type) return EINVAL;
920

921
922
	*a &= ~4;
	*a |= type;
923

924
925
	return 0;
}
926

927
928
929
static int pthread_mutexattr_getprotocol(pthread_mutexattr_t *a, int *type)
{
	*type = *a & (8 + 16);
930

931
932
	return 0;
}
933

934
935
936
static int pthread_mutexattr_setprotocol(pthread_mutexattr_t *a, int type)
{
	if ((type & (8 + 16)) != 8 + 16) return EINVAL;
937

938
939
	*a &= ~(8 + 16);
	*a |= type;
940

941
942
	return 0;
}
943

944
945
946
947
948
static int pthread_mutexattr_getprioceiling(pthread_mutexattr_t *a, int * prio)
{
	*prio = *a / PTHREAD_PRIO_MULT;
	return 0;
}
949

950
951
952
953
static int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *a, int prio)
{
	*a &= (PTHREAD_PRIO_MULT - 1);
	*a += prio * PTHREAD_PRIO_MULT;
954

955
956
	return 0;
}
957

958
959
960
static int pthread_mutex_timedlock(pthread_mutex_t *m, struct timespec *ts)
{
	unsigned long long t, ct;
961

962
963
964
965
966
967
968
969
970
	struct _pthread_crit_t
	{
		void *debug;
		LONG count;
		LONG r_count;
		HANDLE owner;
		HANDLE sem;
		ULONG_PTR spin;
	};
971

972
973
	/* Try to lock it without waiting */
	if (!pthread_mutex_trylock(m)) return 0;
974

975
976
	ct = _pthread_time_in_ms();
	t = _pthread_time_in_ms_from_timespec(ts);
977

978
979
980
981
	while (1)
	{
		/* Have we waited long enough? */
		if (ct > t) return ETIMEDOUT;
982

983
984
		/* Wait on semaphore within critical section */
		WaitForSingleObject(((struct _pthread_crit_t *)m)->sem, t - ct);
985

986
987
		/* Try to grab lock */
		if (!pthread_mutex_trylock(m)) return 0;
988

989
990
991
992
		/* Get current time */
		ct = _pthread_time_in_ms();
	}
}
993

994
#define _PTHREAD_BARRIER_FLAG (1<<30)
995

996
997
998
static int pthread_barrier_destroy(pthread_barrier_t *b)
{
	EnterCriticalSection(&b->m);
999

1000
1001
1002
1003
1004
	while (b->total > _PTHREAD_BARRIER_FLAG)
	{
		/* Wait until everyone exits the barrier */
		SleepConditionVariableCS(&b->cv, &b->m, INFINITE);
	}
1005

1006
	LeaveCriticalSection(&b->m);
1007

1008
	DeleteCriticalSection(&b->m);
1009

1010
1011
	return 0;
}
1012

1013
1014
1015
1016
static int pthread_barrier_init(pthread_barrier_t *b, void *attr, int count)
{
	/* Ignore attr */
	(void) attr;
1017

1018
1019
	b->count = count;
	b->total = 0;
1020

1021
1022
	InitializeCriticalSection(&b->m);
	InitializeConditionVariable(&b->cv);
1023

1024
1025
	return 0;
}
1026

1027
1028
1029
static int pthread_barrier_wait(pthread_barrier_t *b)
{
	EnterCriticalSection(&b->m);
1030

1031
1032
1033
1034
1035
	while (b->total > _PTHREAD_BARRIER_FLAG)
	{
		/* Wait until everyone exits the barrier */
		SleepConditionVariableCS(&b->cv, &b->m, INFINITE);
	}
1036

1037
1038
	/* Are we the first to enter? */
	if (b->total == _PTHREAD_BARRIER_FLAG) b->total = 0;
1039

1040
	b->total++;
1041

1042
1043
1044
1045
	if (b->total == b->count)
	{
		b->total += _PTHREAD_BARRIER_FLAG - 1;
		WakeAllConditionVariable(&b->cv);
1046

1047
		LeaveCriticalSection(&b->m);
1048

1049
1050
1051
1052
1053
1054
1055
1056
1057
		return 1;
	}
	else
	{
		while (b->total < _PTHREAD_BARRIER_FLAG)
		{
			/* Wait until enough threads enter the barrier */
			SleepConditionVariableCS(&b->cv, &b->m, INFINITE);
		}
1058

1059
		b->total--;
1060

1061
1062
		/* Get entering threads to wake up */
		if (b->total == _PTHREAD_BARRIER_FLAG) WakeAllConditionVariable(&b->cv);
1063

1064
		LeaveCriticalSection(&b->m);
1065

1066
1067
1068
		return 0;
	}
}
1069

1070
1071
1072
1073
1074
static int pthread_barrierattr_init(void **attr)
{
	*attr = NULL;
	return 0;
}
1075

1076
1077
1078
1079
static int pthread_barrierattr_destroy(void **attr)
{
	/* Ignore attr */
	(void) attr;
1080

1081
1082
	return 0;
}
1083

1084
1085
1086
1087
1088
static int pthread_barrierattr_setpshared(void **attr, int s)
{
	*attr = (void *) s;
	return 0;
}
1089

1090
1091
1092
static int pthread_barrierattr_getpshared(void **attr, int *s)
{
	*s = (int) (size_t) *attr;
1093

1094
1095
	return 0;
}
1096

1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
static int pthread_key_create(pthread_key_t *key, void (* dest)(void *))
{
	int i;
	long nmax;
	void (**d)(void *);

	if (!key) return EINVAL;

	pthread_rwlock_wrlock(&_pthread_key_lock);

	for (i = _pthread_key_sch; i < _pthread_key_max; i++)
	{
		if (!_pthread_key_dest[i])
		{
			*key = i;
			if (dest)
			{
				_pthread_key_dest[i] = dest;
			}
			else
			{
				_pthread_key_dest[i] = (void(*)(void *))1;
			}
			pthread_rwlock_unlock(&_pthread_key_lock);

			return 0;
		}
	}

	for (i = 0; i < _pthread_key_sch; i++)
	{
		if (!_pthread_key_dest[i])
		{
			*key = i;
			if (dest)
			{
				_pthread_key_dest[i] = dest;
			}
			else
			{
				_pthread_key_dest[i] = (void(*)(void *))1;
			}
			pthread_rwlock_unlock(&_pthread_key_lock);

			return 0;
		}
	}

	if (!_pthread_key_max) _pthread_key_max = 1;
	if (_pthread_key_max == PTHREAD_KEYS_MAX)
	{
		pthread_rwlock_unlock(&_pthread_key_lock);

		return ENOMEM;
	}

	nmax = _pthread_key_max * 2;
	if (nmax > PTHREAD_KEYS_MAX) nmax = PTHREAD_KEYS_MAX;

	/* No spare room anywhere */
#ifdef __cplusplus
	d = reinterpret_cast<void (__cdecl **)(void *)>(realloc(_pthread_key_dest, nmax * sizeof(*d)));
#else
    d = realloc(_pthread_key_dest, nmax * sizeof(*d));
1161
#endif
1162
1163
1164
    if (!d)
	{
		pthread_rwlock_unlock(&_pthread_key_lock);
1165

1166
1167
		return ENOMEM;
	}
1168

1169
1170
	/* Clear new region */
	memset((void *) &d[_pthread_key_max], 0, (nmax-_pthread_key_max)*sizeof(void *));
1171

1172
1173
1174
1175
1176
	/* Use new region */
	_pthread_key_dest = d;
	_pthread_key_sch = _pthread_key_max + 1;
	*key = _pthread_key_max;
	_pthread_key_max = nmax;
1177

1178
1179
1180
1181
1182
1183
1184
1185
	if (dest)
	{
		_pthread_key_dest[*key] = dest;
	}
	else
	{
		_pthread_key_dest[*key] = (void(*)(void *))1;
	}
1186

1187
	pthread_rwlock_unlock(&_pthread_key_lock);
1188

1189
1190
	return 0;
}
1191

1192
1193
1194
1195
static int pthread_key_delete(pthread_key_t key)
{
	if (key > _pthread_key_max) return EINVAL;
	if (!_pthread_key_dest) return EINVAL;
1196

1197
1198
	pthread_rwlock_wrlock(&_pthread_key_lock);
	_pthread_key_dest[key] = NULL;
1199

1200
1201
	/* Start next search from our location */
	if (_pthread_key_sch > key) _pthread_key_sch = key;
1202

1203
	pthread_rwlock_unlock(&_pthread_key_lock);
1204

1205
1206
	return 0;
}
1207

1208
1209
1210
static void *pthread_getspecific(pthread_key_t key)
{
	pthread_t t = pthread_self();
1211

1212
1213
1214
	if (key >= t->keymax) return NULL;

	return t->keyval[key];
1215

1216
}
1217

1218
1219
1220
static int pthread_setspecific(pthread_key_t key, const void *value)
{
	pthread_t t = pthread_self();
1221

1222
1223
1224
1225
	if (key > t->keymax)
	{
		int keymax = (key + 1) * 2;
		void **kv = (void**) realloc(t->keyval, keymax * sizeof(void *));
1226

1227
		if (!kv) return ENOMEM;
1228

1229
1230
		/* Clear new region */
		memset(&kv[t->keymax], 0, (keymax - t->keymax)*sizeof(void*));
1231

1232
1233
1234
		t->keyval = kv;
		t->keymax = keymax;
	}
1235

1236
	t->keyval[key] = (void *) value;
1237

1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
	return 0;
}


static int pthread_spin_init(pthread_spinlock_t *l, int pshared)
{
	(void) pshared;

	*l = 0;
	return 0;
}

static int pthread_spin_destroy(pthread_spinlock_t *l)
{
	(void) l;
	return 0;
}

/* No-fair spinlock due to lack of knowledge of thread number */
static int pthread_spin_lock(pthread_spinlock_t *l)
{
	while (_InterlockedExchange(l, EBUSY))
	{
		/* Don't lock the bus whilst waiting */
		while (*l)
		{
			YieldProcessor();

			/* Compiler barrier.  Prevent caching of *l */
			_ReadWriteBarrier();
		}
	}

	return 0;
}

static int pthread_spin_trylock(pthread_spinlock_t *l)
{
	return _InterlockedExchange(l, EBUSY);
}

static int pthread_spin_unlock(pthread_spinlock_t *l)
{
	/* Compiler barrier.  The store below acts with release symmantics */
	_ReadWriteBarrier();

	*l = 0;

	return 0;
}

static int pthread_cond_init(pthread_cond_t *c, pthread_condattr_t *a)
{
	(void) a;

	InitializeConditionVariable(c);
	return 0;
}

static int pthread_cond_signal(pthread_cond_t *c)
{
	WakeConditionVariable(c);
	return 0;
}

static int pthread_cond_broadcast(pthread_cond_t *c)
{
	WakeAllConditionVariable(c);
	return 0;
}

static int pthread_cond_wait(pthread_cond_t *c, pthread_mutex_t *m)
{
	pthread_testcancel();
	SleepConditionVariableCS(c, m, INFINITE);
	return 0;
}

static int pthread_cond_destroy(pthread_cond_t *c)
{
	(void) c;
	return 0;
}

static int pthread_cond_timedwait(pthread_cond_t *c, pthread_mutex_t *m, struct timespec *t)
{
	unsigned long long tm = _pthread_rel_time_in_ms(t);
1325

1326
	pthread_testcancel();
1327

1328
	if (!SleepConditionVariableCS(c, m, tm)) return ETIMEDOUT;
1329

1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
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	/* We can have a spurious wakeup after the timeout */
	if (!_pthread_rel_time_in_ms(t)) return ETIMEDOUT;

	return 0;
}

static int pthread_condattr_destroy(pthread_condattr_t *a)
{
	(void) a;
	return 0;
}

#define pthread_condattr_getclock(A, C) ENOTSUP
#define pthread_condattr_setclock(A, C) ENOTSUP

static int pthread_condattr_init(pthread_condattr_t *a)
{
	*a = 0;
	return 0;
}

static int pthread_condattr_getpshared(pthread_condattr_t *a, int *s)
{
	*s = *a;
	return 0;
}

static int pthread_condattr_setpshared(pthread_condattr_t *a, int s)
{
	*a = s;
	return 0;
}

static int pthread_rwlockattr_destroy(pthread_rwlockattr_t *a)
{
	(void) a;
	return 0;
}

static int pthread_rwlockattr_init(pthread_rwlockattr_t *a)
{
	*a = 0;
}

static int pthread_rwlockattr_getpshared(pthread_rwlockattr_t *a, int *s)
{
	*s = *a;
	return 0;
}

static int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *a, int s)
{
	*a = s;
	return 0;
}


/* No fork() in windows - so ignore this */
#define pthread_atfork(F1,F2,F3) 0

/* Windows has rudimentary signals support */
#define pthread_kill(T, S) 0
#define pthread_sigmask(H, S1, S2) 0


/* Wrap cancellation points */
/*
#define accept(...) (pthread_testcancel(), accept(__VA_ARGS__))
#define aio_suspend(...) (pthread_testcancel(), aio_suspend(__VA_ARGS__))
#define clock_nanosleep(...) (pthread_testcancel(), clock_nanosleep(__VA_ARGS__))
#define close(...) (pthread_testcancel(), close(__VA_ARGS__))
#define connect(...) (pthread_testcancel(), connect(__VA_ARGS__))
#define creat(...) (pthread_testcancel(), creat(__VA_ARGS__))
#define fcntl(...) (pthread_testcancel(), fcntl(__VA_ARGS__))
#define fdatasync(...) (pthread_testcancel(), fdatasync(__VA_ARGS__))
#define fsync(...) (pthread_testcancel(), fsync(__VA_ARGS__))
#define getmsg(...) (pthread_testcancel(), getmsg(__VA_ARGS__))
#define getpmsg(...) (pthread_testcancel(), getpmsg(__VA_ARGS__))
#define lockf(...) (pthread_testcancel(), lockf(__VA_ARGS__))
#define mg_receive(...) (pthread_testcancel(), mg_receive(__VA_ARGS__))
#define mg_send(...) (pthread_testcancel(), mg_send(__VA_ARGS__))
#define mg_timedreceive(...) (pthread_testcancel(), mg_timedreceive(__VA_ARGS__))
#define mg_timessend(...) (pthread_testcancel(), mg_timedsend(__VA_ARGS__))
#define msgrcv(...) (pthread_testcancel(), msgrecv(__VA_ARGS__))
#define msgsnd(...) (pthread_testcancel(), msgsnd(__VA_ARGS__))
#define msync(...) (pthread_testcancel(), msync(__VA_ARGS__))
#define nanosleep(...) (pthread_testcancel(), nanosleep(__VA_ARGS__))
#define open(...) (pthread_testcancel(), open(__VA_ARGS__))
#define pause(...) (pthread_testcancel(), pause(__VA_ARGS__))
#define poll(...) (pthread_testcancel(), poll(__VA_ARGS__))
#define pread(...) (pthread_testcancel(), pread(__VA_ARGS__))
#define pselect(...) (pthread_testcancel(), pselect(__VA_ARGS__))
#define putmsg(...) (pthread_testcancel(), putmsg(__VA_ARGS__))
#define putpmsg(...) (pthread_testcancel(), putpmsg(__VA_ARGS__))
#define pwrite(...) (pthread_testcancel(), pwrite(__VA_ARGS__))
#define read(...) (pthread_testcancel(), read(__VA_ARGS__))
#define readv(...) (pthread_testcancel(), readv(__VA_ARGS__))
#define recv(...) (pthread_testcancel(), recv(__VA_ARGS__))
#define recvfrom(...) (pthread_testcancel(), recvfrom(__VA_ARGS__))
#define recvmsg(...) (pthread_testcancel(), recvmsg(__VA_ARGS__))
#define select(...) (pthread_testcancel(), select(__VA_ARGS__))
#define sem_timedwait(...) (pthread_testcancel(), sem_timedwait(__VA_ARGS__))
#define sem_wait(...) (pthread_testcancel(), sem_wait(__VA_ARGS__))
#define send(...) (pthread_testcancel(), send(__VA_ARGS__))
#define sendmsg(...) (pthread_testcancel(), sendmsg(__VA_ARGS__))
#define sendto(...) (pthread_testcancel(), sendto(__VA_ARGS__))
#define sigpause(...) (pthread_testcancel(), sigpause(__VA_ARGS__))
#define sigsuspend(...) (pthread_testcancel(), sigsuspend(__VA_ARGS__))
#define sigwait(...) (pthread_testcancel(), sigwait(__VA_ARGS__))
#define sigwaitinfo(...) (pthread_testcancel(), sigwaitinfo(__VA_ARGS__))
#define sleep(...) (pthread_testcancel(), sleep(__VA_ARGS__))
//#define Sleep(...) (pthread_testcancel(), Sleep(__VA_ARGS__))
#define system(...) (pthread_testcancel(), system(__VA_ARGS__))


#define access(...) (pthread_testcancel(), access(__VA_ARGS__))
#define asctime(...) (pthread_testcancel(), asctime(__VA_ARGS__))
#define asctime_r(...) (pthread_testcancel(), asctime_r(__VA_ARGS__))
#define catclose(...) (pthread_testcancel(), catclose(__VA_ARGS__))
#define catgets(...) (pthread_testcancel(), catgets(__VA_ARGS__))
#define catopen(...) (pthread_testcancel(), catopen(__VA_ARGS__))
#define closedir(...) (pthread_testcancel(), closedir(__VA_ARGS__))
#define closelog(...) (pthread_testcancel(), closelog(__VA_ARGS__))
#define ctermid(...) (pthread_testcancel(), ctermid(__VA_ARGS__))
#define ctime(...) (pthread_testcancel(), ctime(__VA_ARGS__))
#define ctime_r(...) (pthread_testcancel(), ctime_r(__VA_ARGS__))
#define dbm_close(...) (pthread_testcancel(), dbm_close(__VA_ARGS__))
#define dbm_delete(...) (pthread_testcancel(), dbm_delete(__VA_ARGS__))
#define dbm_fetch(...) (pthread_testcancel(), dbm_fetch(__VA_ARGS__))
#define dbm_nextkey(...) (pthread_testcancel(), dbm_nextkey(__VA_ARGS__))
#define dbm_open(...) (pthread_testcancel(), dbm_open(__VA_ARGS__))
#define dbm_store(...) (pthread_testcancel(), dbm_store(__VA_ARGS__))
#define dlclose(...) (pthread_testcancel(), dlclose(__VA_ARGS__))
#define dlopen(...) (pthread_testcancel(), dlopen(__VA_ARGS__))
#define endgrent(...) (pthread_testcancel(), endgrent(__VA_ARGS__))
#define endhostent(...) (pthread_testcancel(), endhostent(__VA_ARGS__))
#define endnetent(...) (pthread_testcancel(), endnetent(__VA_ARGS__))
#define endprotoent(...) (pthread_testcancel(), endprotoend(__VA_ARGS__))
#define endpwent(...) (pthread_testcancel(), endpwent(__VA_ARGS__))
#define endservent(...) (pthread_testcancel(), endservent(__VA_ARGS__))
#define endutxent(...) (pthread_testcancel(), endutxent(__VA_ARGS__))
#define fclose(...) (pthread_testcancel(), fclose(__VA_ARGS__))
#define fflush(...) (pthread_testcancel(), fflush(__VA_ARGS__))
#define fgetc(...) (pthread_testcancel(), fgetc(__VA_ARGS__))
#define fgetpos(...) (pthread_testcancel(), fgetpos(__VA_ARGS__))
#define fgets(...) (pthread_testcancel(), fgets(__VA_ARGS__))
#define fgetwc(...) (pthread_testcancel(), fgetwc(__VA_ARGS__))
#define fgetws(...) (pthread_testcancel(), fgetws(__VA_ARGS__))
#define fmtmsg(...) (pthread_testcancel(), fmtmsg(__VA_ARGS__))
#define fopen(...) (pthread_testcancel(), fopen(__VA_ARGS__))
#define fpathconf(...) (pthread_testcancel(), fpathconf(__VA_ARGS__))
#define fprintf(...) (pthread_testcancel(), fprintf(__VA_ARGS__))
#define fputc(...) (pthread_testcancel(), fputc(__VA_ARGS__))
#define fputs(...) (pthread_testcancel(), fputs(__VA_ARGS__))
#define fputwc(...) (pthread_testcancel(), fputwc(__VA_ARGS__))
#define fputws(...) (pthread_testcancel(), fputws(__VA_ARGS__))
#define fread(...) (pthread_testcancel(), fread(__VA_ARGS__))
#define freopen(...) (pthread_testcancel(), freopen(__VA_ARGS__))
#define fscanf(...) (pthread_testcancel(), fscanf(__VA_ARGS__))
#define fseek(...) (pthread_testcancel(), fseek(__VA_ARGS__))
#define fseeko(...) (pthread_testcancel(), fseeko(__VA_ARGS__))
#define fsetpos(...) (pthread_testcancel(), fsetpos(__VA_ARGS__))
#define fstat(...) (pthread_testcancel(), fstat(__VA_ARGS__))
#define ftell(...) (pthread_testcancel(), ftell(__VA_ARGS__))
#define ftello(...) (pthread_testcancel(), ftello(__VA_ARGS__))
#define ftw(...) (pthread_testcancel(), ftw(__VA_ARGS__))
#define fwprintf(...) (pthread_testcancel(), fwprintf(__VA_ARGS__))
#define fwrite(...) (pthread_testcancel(), fwrite(__VA_ARGS__))
#define fwscanf(...) (pthread_testcancel(), fwscanf(__VA_ARGS__))
#define getaddrinfo(...) (pthread_testcancel(), getaddrinfo(__VA_ARGS__))
#define getc(...) (pthread_testcancel(), getc(__VA_ARGS__))
#define getc_unlocked(...) (pthread_testcancel(), getc_unlocked(__VA_ARGS__))
#define getchar(...) (pthread_testcancel(), getchar(__VA_ARGS__))
#define getchar_unlocked(...) (pthread_testcancel(), getchar_unlocked(__VA_ARGS__))
#define getcwd(...) (pthread_testcancel(), getcwd(__VA_ARGS__))
#define getdate(...) (pthread_testcancel(), getdate(__VA_ARGS__))
#define getgrent(...) (pthread_testcancel(), getgrent(__VA_ARGS__))
#define getgrgid(...) (pthread_testcancel(), getgrgid(__VA_ARGS__))
#define getgrgid_r(...) (pthread_testcancel(), getgrgid_r(__VA_ARGS__))
#define gergrnam(...) (pthread_testcancel(), getgrnam(__VA_ARGS__))
#define getgrnam_r(...) (pthread_testcancel(), getgrnam_r(__VA_ARGS__))
#define gethostbyaddr(...) (pthread_testcancel(), gethostbyaddr(__VA_ARGS__))
#define gethostbyname(...) (pthread_testcancel(), gethostbyname(__VA_ARGS__))
#define gethostent(...) (pthread_testcancel(), gethostent(__VA_ARGS__))
#define gethostid(...) (pthread_testcancel(), gethostid(__VA_ARGS__))
#define gethostname(...) (pthread_testcancel(), gethostname(__VA_ARGS__))
#define getlogin(...) (pthread_testcancel(), getlogin(__VA_ARGS__))
#define getlogin_r(...) (pthread_testcancel(), getlogin_r(__VA_ARGS__))
#define getnameinfo(...) (pthread_testcancel(), getnameinfo(__VA_ARGS__))
#define getnetbyaddr(...) (pthread_testcancel(), getnetbyaddr(__VA_ARGS__))
#define getnetbyname(...) (pthread_testcancel(), getnetbyname(__VA_ARGS__))
#define getnetent(...) (pthread_testcancel(), getnetent(__VA_ARGS__))
#define getopt(...) (pthread_testcancel(), getopt(__VA_ARGS__))
#define getprotobyname(...) (pthread_testcancel(), getprotobyname(__VA_ARGS__))
#define getprotobynumber(...) (pthread_testcancel(), getprotobynumber(__VA_ARGS__))
#define getprotoent(...) (pthread_testcancel(), getprotoent(__VA_ARGS__))
#define getpwent(...) (pthread_testcancel(), getpwent(__VA_ARGS__))
#define getpwnam(...) (pthread_testcancel(), getpwnam(__VA_ARGS__))
#define getpwnam_r(...) (pthread_testcancel(), getpwnam_r(__VA_ARGS__))
#define getpwuid(...) (pthread_testcancel(), getpwuid(__VA_ARGS__))
#define getpwuid_r(...) (pthread_testcancel(), getpwuid_r(__VA_ARGS__))
#define gets(...) (pthread_testcancel(), gets(__VA_ARGS__))
#define getservbyname(...) (pthread_testcancel(), getservbyname(__VA_ARGS__))
#define getservbyport(...) (pthread_testcancel(), getservbyport(__VA_ARGS__))
#define getservent(...) (pthread_testcancel(), getservent(__VA_ARGS__))
#define getutxent(...) (pthread_testcancel(), getutxent(__VA_ARGS__))
#define getutxid(...) (pthread_testcancel(), getutxid(__VA_ARGS__))
#define getutxline(...) (pthread_testcancel(), getutxline(__VA_ARGS__))
#undef getwc
#define getwc(...) (pthread_testcancel(), getwc(__VA_ARGS__))
#undef getwchar
#define getwchar(...) (pthread_testcancel(), getwchar(__VA_ARGS__))
#define getwd(...) (pthread_testcancel(), getwd(__VA_ARGS__))
#define glob(...) (pthread_testcancel(), glob(__VA_ARGS__))
#define iconv_close(...) (pthread_testcancel(), iconv_close(__VA_ARGS__))
#define iconv_open(...) (pthread_testcancel(), iconv_open(__VA_ARGS__))
#define ioctl(...) (pthread_testcancel(), ioctl(__VA_ARGS__))
#define link(...) (pthread_testcancel(), link(__VA_ARGS__))
#define localtime(...) (pthread_testcancel(), localtime(__VA_ARGS__))
#define localtime_r(...) (pthread_testcancel(), localtime_r(__VA_ARGS__))
#define lseek(...) (pthread_testcancel(), lseek(__VA_ARGS__))
#define lstat(...) (pthread_testcancel(), lstat(__VA_ARGS__))
#define mkstemp(...) (pthread_testcancel(), mkstemp(__VA_ARGS__))
#define nftw(...) (pthread_testcancel(), nftw(__VA_ARGS__))
#define opendir(...) (pthread_testcancel(), opendir(__VA_ARGS__))
#define openlog(...) (pthread_testcancel(), openlog(__VA_ARGS__))
#define pathconf(...) (pthread_testcancel(), pathconf(__VA_ARGS__))
#define pclose(...) (pthread_testcancel(), pclose(__VA_ARGS__))
#define perror(...) (pthread_testcancel(), perror(__VA_ARGS__))
#define popen(...) (pthread_testcancel(), popen(__VA_ARGS__))
#define posix_fadvise(...) (pthread_testcancel(), posix_fadvise(__VA_ARGS__))
#define posix_fallocate(...) (pthread_testcancel(), posix_fallocate(__VA_ARGS__))
#define posix_madvise(...) (pthread_testcancel(), posix_madvise(__VA_ARGS__))
#define posix_openpt(...) (pthread_testcancel(), posix_openpt(__VA_ARGS__))
#define posix_spawn(...) (pthread_testcancel(), posix_spawn(__VA_ARGS__))
#define posix_spawnp(...) (pthread_testcancel(), posix_spawnp(__VA_ARGS__))
#define posix_trace_clear(...) (pthread_testcancel(), posix_trace_clear(__VA_ARGS__))
#define posix_trace_close(...) (pthread_testcancel(), posix_trace_close(__VA_ARGS__))
#define posix_trace_create(...) (pthread_testcancel(), posix_trace_create(__VA_ARGS__))
#define posix_trace_create_withlog(...) (pthread_testcancel(), posix_trace_create_withlog(__VA_ARGS__))
#define posix_trace_eventtypelist_getne(...) (pthread_testcancel(), posix_trace_eventtypelist_getne(__VA_ARGS__))
#define posix_trace_eventtypelist_rewin(...) (pthread_testcancel(), posix_trace_eventtypelist_rewin(__VA_ARGS__))
#define posix_trace_flush(...) (pthread_testcancel(), posix_trace_flush(__VA_ARGS__))
#define posix_trace_get_attr(...) (pthread_testcancel(), posix_trace_get_attr(__VA_ARGS__))
#define posix_trace_get_filter(...) (pthread_testcancel(), posix_trace_get_filter(__VA_ARGS__))
#define posix_trace_get_status(...) (pthread_testcancel(), posix_trace_get_status(__VA_ARGS__))
#define posix_trace_getnext_event(...) (pthread_testcancel(), posix_trace_getnext_event(__VA_ARGS__))
#define posix_trace_open(...) (pthread_testcancel(), posix_trace_open(__VA_ARGS__))
#define posix_trace_rewind(...) (pthread_testcancel(), posix_trace_rewind(__VA_ARGS__))
#define posix_trace_setfilter(...) (pthread_testcancel(), posix_trace_setfilter(__VA_ARGS__))
#define posix_trace_shutdown(...) (pthread_testcancel(), posix_trace_shutdown(__VA_ARGS__))
#define posix_trace_timedgetnext_event(...) (pthread_testcancel(), posix_trace_timedgetnext_event(__VA_ARGS__))
#define posix_typed_mem_open(...) (pthread_testcancel(), posix_typed_mem_open(__VA_ARGS__))
#define printf(...) (pthread_testcancel(), printf(__VA_ARGS__))
#define putc(...) (pthread_testcancel(), putc(__VA_ARGS__))
#define putc_unlocked(...) (pthread_testcancel(), putc_unlocked(__VA_ARGS__))
#define putchar(...) (pthread_testcancel(), putchar(__VA_ARGS__))
#define putchar_unlocked(...) (pthread_testcancel(), putchar_unlocked(__VA_ARGS__))
#define puts(...) (pthread_testcancel(), puts(__VA_ARGS__))
#define pututxline(...) (pthread_testcancel(), pututxline(__VA_ARGS__))
#undef putwc
#define putwc(...) (pthread_testcancel(), putwc(__VA_ARGS__))
#undef putwchar
#define putwchar(...) (pthread_testcancel(), putwchar(__VA_ARGS__))
#define readdir(...) (pthread_testcancel(), readdir(__VA_ARSG__))
#define readdir_r(...) (pthread_testcancel(), readdir_r(__VA_ARGS__))
#define remove(...) (pthread_testcancel(), remove(__VA_ARGS__))
#define rename(...) (pthread_testcancel(), rename(__VA_ARGS__))
#define rewind(...) (pthread_testcancel(), rewind(__VA_ARGS__))
#define rewinddir(...) (pthread_testcancel(), rewinddir(__VA_ARGS__))
#define scanf(...) (pthread_testcancel(), scanf(__VA_ARGS__))
#define seekdir(...) (pthread_testcancel(), seekdir(__VA_ARGS__))
#define semop(...) (pthread_testcancel(), semop(__VA_ARGS__))
#define setgrent(...) (pthread_testcancel(), setgrent(__VA_ARGS__))
#define sethostent(...) (pthread_testcancel(), sethostemt(__VA_ARGS__))
#define setnetent(...) (pthread_testcancel(), setnetent(__VA_ARGS__))
#define setprotoent(...) (pthread_testcancel(), setprotoent(__VA_ARGS__))
#define setpwent(...) (pthread_testcancel(), setpwent(__VA_ARGS__))
#define setservent(...) (pthread_testcancel(), setservent(__VA_ARGS__))
#define setutxent(...) (pthread_testcancel(), setutxent(__VA_ARGS__))
#define stat(...) (pthread_testcancel(), stat(__VA_ARGS__))
#define strerror(...) (pthread_testcancel(), strerror(__VA_ARGS__))
#define strerror_r(...) (pthread_testcancel(), strerror_r(__VA_ARGS__))
#define strftime(...) (pthread_testcancel(), strftime(__VA_ARGS__))
#define symlink(...) (pthread_testcancel(), symlink(__VA_ARGS__))
#define sync(...) (pthread_testcancel(), sync(__VA_ARGS__))
#define syslog(...) (pthread_testcancel(), syslog(__VA_ARGS__))
#define tmpfile(...) (pthread_testcancel(), tmpfile(__VA_ARGS__))
#define tmpnam(...) (pthread_testcancel(), tmpnam(__VA_ARGS__))
#define ttyname(...) (pthread_testcancel(), ttyname(__VA_ARGS__))
#define ttyname_r(...) (pthread_testcancel(), ttyname_r(__VA_ARGS__))
#define tzset(...) (pthread_testcancel(), tzset(__VA_ARGS__))
#define ungetc(...) (pthread_testcancel(), ungetc(__VA_ARGS__))
#define ungetwc(...) (pthread_testcancel(), ungetwc(__VA_ARGS__))
#define unlink(...) (pthread_testcancel(), unlink(__VA_ARGS__))
#define vfprintf(...) (pthread_testcancel(), vfprintf(__VA_ARGS__))
#define vfwprintf(...) (pthread_testcancel(), vfwprintf(__VA_ARGS__))
#define vprintf(...) (pthread_testcancel(), vprintf(__VA_ARGS__))
#define vwprintf(...) (pthread_testcancel(), vwprintf(__VA_ARGS__))
#define wcsftime(...) (pthread_testcancel(), wcsftime(__VA_ARGS__))
#define wordexp(...) (pthread_testcancel(), wordexp(__VA_ARGS__))
#define wprintf(...) (pthread_testcancel(), wprintf(__VA_ARGS__))
#define wscanf(...) (pthread_testcancel(), wscanf(__VA_ARGS__))
*/
#endif /* WIN_PTHREADS */