int pthread_mutex_unlock(pthread_mutex_t *m)
{
int r = mutex_ref_unlock(m);
if(r) return r;
mutex_t *_m = (mutex_t *)*m;
if (_m->type == PTHREAD_MUTEX_NORMAL)
{
if (!COND_LOCKED(_m))
return mutex_unref(m,EPERM);
}
else if (!COND_LOCKED(_m) || !COND_OWNER(_m))
return mutex_unref(m,EPERM);
if (_m->type == PTHREAD_MUTEX_RECURSIVE)
{
if(InterlockedDecrement(&_m->count))
return mutex_unref(m,0);
}
#if defined USE_MUTEX_Mutex
UNSET_OWNER(_m);
if (_m->h != NULL && !ReleaseSemaphore(_m->h, 1, NULL)) {
SET_OWNER(_m);
/* restore our own bookkeeping */
return mutex_unref(m,EPERM);
}
#else /* USE_MUTEX_CriticalSection */
UNSET_OWNER(_m);
LeaveCriticalSection(&_m->cs.cs);
#endif
return mutex_unref(m,0);
}
static __attribute__((noinline)) int
_mutex_trylock(pthread_mutex_t *m)
{
int r = 0;
mutex_t *_m = (mutex_t *)*m;
if (_m->type != PTHREAD_MUTEX_NORMAL)
{
if (COND_LOCKED(_m))
{
if (_m->type == PTHREAD_MUTEX_RECURSIVE && COND_OWNER(_m))
{
InterlockedIncrement(&_m->count);
return 0;
}
return EBUSY;
}
} else if (COND_LOCKED(_m))
return EBUSY;
#if defined USE_MUTEX_Mutex
r = do_sema_b_wait_intern (_m->h, 1, 0);
if (r == ETIMEDOUT) r = EBUSY;
#else /* USE_MUTEX_CriticalSection */
r = TryEnterCriticalSection(&_m->cs.cs) ? 0 : EBUSY;
#endif
if (!r)
{
_m->count = 1;
SET_OWNER(_m);
}
return r;
}
mono_handle_new_interior (gpointer rawptr, const char *owner)
#endif
{
MonoThreadInfo *info = mono_thread_info_current ();
HandleStack *handles = (HandleStack *)info->handle_stack;
HandleChunk *top = handles->interior;
#ifdef MONO_HANDLE_TRACK_SP
mono_handle_chunk_leak_check (handles);
#endif
g_assert (top);
/*
* Don't extend the chunk now, interior handles are
* only used for icall arguments, they shouldn't
* overflow.
*/
g_assert (top->size < OBJECTS_PER_HANDLES_CHUNK);
int idx = top->size;
gpointer *objslot = &top->elems [idx].o;
*objslot = NULL;
mono_memory_write_barrier ();
top->size++;
mono_memory_write_barrier ();
*objslot = rawptr;
SET_OWNER (top,idx);
SET_SP (handles, top, idx);
return objslot;
}
static WINPTHREADS_ATTRIBUTE((noinline)) int
_mutex_trylock(pthread_mutex_t *m)
{
int r = 0;
mutex_t *_m = (mutex_t *)*m;
if (_m->type != PTHREAD_MUTEX_NORMAL)
{
if (COND_LOCKED(_m))
{
if (_m->type == PTHREAD_MUTEX_RECURSIVE && COND_OWNER(_m))
{
InterlockedIncrement(&_m->count);
return 0;
}
return EBUSY;
}
} else if (COND_LOCKED(_m))
return EBUSY;
r = do_sema_b_wait_intern (_m->h, 1, 0);
if (r == ETIMEDOUT)
r = EBUSY;
else if (!r)
{
_m->count = 1;
SET_OWNER(_m);
}
return r;
}
int pthread_mutex_unlock(pthread_mutex_t *m)
{
mutex_t *_m;
int r = mutex_ref_unlock(m);
if(r) {
#if 0
printf("thread %d, la pool, no user unset in mutex %p\n", GetCurrentThreadId(), m);
#endif
return r;
}
_m = (mutex_t *)*m;
if (_m->type == PTHREAD_MUTEX_NORMAL)
{
if (!COND_LOCKED(_m))
{
#if 0
printf("thread %d, mutex %p never locked, actually :p\n", GetCurrentThreadId(), m);
#endif
return mutex_unref(m, EPERM);
}
}
else if (!COND_LOCKED(_m) || !COND_OWNER(_m)) {
#if 0
printf("thread %d, mutex %p never locked or not owner, actually :p\n", GetCurrentThreadId(), m);
#endif
return mutex_unref(m,EPERM);
}
if (_m->type == PTHREAD_MUTEX_RECURSIVE)
{
if(InterlockedDecrement(&_m->count)) {
#if 0
printf("thread %d, mutex %p decreasing recursive\n", GetCurrentThreadId(), m);
#endif
return mutex_unref(m,0);
}
}
#if 0
printf("thread %d,unsetting owner of mutex %p\n", GetCurrentThreadId(), m);
#endif
UNSET_OWNER(_m);
if (_m->h != NULL && !ReleaseSemaphore(_m->h, 1, NULL)) {
SET_OWNER(_m);
#if 0
printf("Error, not released! thread %d, setting owner of mutex m\n", GetCurrentThreadId(), m);
#endif
/* restore our own bookkeeping */
return mutex_unref(m,EPERM);
}
return mutex_unref(m,0);
}
mono_handle_new (MonoObject *obj, MonoThreadInfo *info, const char *owner)
#endif
{
info = info ? info : mono_thread_info_current ();
HandleStack *handles = info->handle_stack;
HandleChunk *top = handles->top;
#ifdef MONO_HANDLE_TRACK_SP
mono_handle_chunk_leak_check (handles);
#endif
retry:
if (G_LIKELY (top->size < OBJECTS_PER_HANDLES_CHUNK)) {
int idx = top->size;
gpointer* objslot = &top->elems [idx].o;
/* can be interrupted anywhere here, so:
* 1. make sure the new slot is null
* 2. make the new slot scannable (increment size)
* 3. put a valid object in there
*
* (have to do 1 then 3 so that if we're interrupted
* between 1 and 2, the object is still live)
*/
*objslot = NULL;
SET_OWNER (top,idx);
SET_SP (handles, top, idx);
mono_memory_write_barrier ();
top->size++;
mono_memory_write_barrier ();
*objslot = obj;
return objslot;
}
if (G_LIKELY (top->next)) {
top->next->size = 0;
/* make sure size == 0 is visible to a GC thread before it sees the new top */
mono_memory_write_barrier ();
top = top->next;
handles->top = top;
goto retry;
}
HandleChunk *new_chunk = new_handle_chunk ();
new_chunk->size = 0;
new_chunk->prev = top;
new_chunk->next = NULL;
/* make sure size == 0 before new chunk is visible */
mono_memory_write_barrier ();
top->next = new_chunk;
handles->top = new_chunk;
goto retry;
}
static int pthread_mutex_lock_intern(pthread_mutex_t *m, DWORD timeout)
{
mutex_t *_m;
int r;
r = mutex_ref(m);
if(r) return r;
_m = (mutex_t *)*m;
if (_m->type != PTHREAD_MUTEX_NORMAL)
{
if (COND_LOCKED(_m))
{
if (COND_OWNER(_m))
{
if (_m->type == PTHREAD_MUTEX_RECURSIVE)
{
InterlockedIncrement(&_m->count);
return mutex_unref(m,0);
}
return mutex_unref(m, EDEADLK);
}
}
} else {
#if !defined USE_MUTEX_Mutex
if (COND_OWNER(_m))
{
do {
Sleep(0); /* waiter that owner gets released. */
} while (COND_OWNER(_m));
}
#endif
}
#if defined USE_MUTEX_Mutex
r = do_sema_b_wait_intern (_m->h, 1, timeout);
#else /* USE_MUTEX_CriticalSection */
EnterCriticalSection(&_m->cs.cs);
r = 0;
#endif
if (r == 0)
{
_m->count = 1;
SET_OWNER(_m);
}
return mutex_unref(m,r);
}
static int
pthread_mutex_lock_intern (pthread_mutex_t *m, DWORD timeout)
{
mutex_t *_m;
int r;
HANDLE h;
r = mutex_ref (m);
if (r)
return r;
_m = (mutex_t *) *m;
if (_m->type != PTHREAD_MUTEX_NORMAL)
{
if (COND_LOCKED(_m))
{
if (COND_OWNER(_m))
{
if (_m->type == PTHREAD_MUTEX_RECURSIVE)
{
InterlockedIncrement(&_m->count);
return mutex_unref(m,0);
}
return mutex_unref(m, EDEADLK);
}
}
}
h = _m->h;
mutex_unref (m, 0);
r = do_sema_b_wait_intern (h, 1, timeout);
if (r != 0)
return r;
r = mutex_ref (m);
if (r)
return r;
_m->count = 1;
SET_OWNER(_m);
return mutex_unref (m, r);
}
mono_handle_new (MonoObject *object, const char *owner)
#endif
{
MonoThreadInfo *info = mono_thread_info_current ();
HandleStack *handles = (HandleStack *)info->handle_stack;
HandleChunk *top = handles->top;
retry:
if (G_LIKELY (top->size < OBJECTS_PER_HANDLES_CHUNK)) {
int idx = top->size;
MonoObject** objslot = chunk_element_objslot (top, idx);
/* can be interrupted anywhere here, so:
* 1. make sure the new slot is null
* 2. make the new slot scannable (increment size)
* 3. put a valid object in there
*
* (have to do 1 then 3 so that if we're interrupted
* between 1 and 2, the object is still live)
*/
*objslot = NULL;
mono_memory_write_barrier ();
top->size++;
mono_memory_write_barrier ();
*objslot = object;
SET_OWNER (top,idx);
return objslot;
}
if (G_LIKELY (top->next)) {
top->next->size = 0;
/* make sure size == 0 is visible to a GC thread before it sees the new top */
mono_memory_write_barrier ();
top = top->next;
handles->top = top;
goto retry;
}
HandleChunk *new_chunk = g_new (HandleChunk, 1);
new_chunk->size = 0;
new_chunk->prev = top;
new_chunk->next = NULL;
/* make sure size == 0 before new chunk is visible */
mono_memory_write_barrier ();
top->next = new_chunk;
handles->top = new_chunk;
goto retry;
}
int pthread_mutex_unlock(pthread_mutex_t *m)
{
mutex_t *_m;
int r = mutex_ref_unlock(m);
if(r) {
return r;
}
_m = (mutex_t *)*m;
if (_m->type == PTHREAD_MUTEX_NORMAL)
{
if (!COND_LOCKED(_m))
{
return mutex_unref(m, EPERM);
}
}
else if (!COND_LOCKED(_m) || !COND_OWNER(_m)) {
return mutex_unref(m,EPERM);
}
if (_m->type == PTHREAD_MUTEX_RECURSIVE)
{
if(InterlockedDecrement(&_m->count)) {
return mutex_unref(m,0);
}
}
UNSET_OWNER(_m);
if (_m->h != NULL && !ReleaseSemaphore(_m->h, 1, NULL)) {
SET_OWNER(_m);
/* restore our own bookkeeping */
return mutex_unref(m,EPERM);
}
return mutex_unref(m,0);
}
int __server_bind_port(int port)
{
loop_t *loop = NULL;
listener_t *listener = NULL;
#if 0
loop_t *loop = __get_main_loop(); //@{get_best_loop}
#else
sched_t* sched = __get_main_sched();
if (!sched)
{
goto _error;
}
loop = get_best_loop2(sched);
if (!loop)
{//@{not need free loop, because loop is own to sched}
goto _error;
}
LOG_I("get best loop:%p", loop);
#endif
listener = listener_new(port, NULL);
if (!listener)
{
goto _error;
}
SET_OWNER(listener, (void*)loop); // set listen's loop
LOOP_ADD_WEIGHT(loop);
listener->stat = STAT_ACCEPT;
if(gettid() == loop->set_tid)
{
fd_set_add_node3(loop->_set, (fd_node_t *)listener, FD_R_FLAGS, listener->timeout);
}
else
{
#ifdef WIN32
EnterCriticalSection(&loop->set_mutex);
#else
pthread_mutex_lock(&loop->set_mutex);
#endif
fd_set_add_node3(loop->_set, (fd_node_t *)listener, FD_R_FLAGS, listener->timeout);
#ifdef WIN32
LeaveCriticalSection(&loop->set_mutex);
#else
pthread_mutex_unlock(&loop->set_mutex);
#endif
}
return 0;
_error:
if (sched)
{ printf("sched:%p g_sched: %p\n", sched, __get_main_sched());
sched_del(sched);
printf("g_sched: %p\n", __get_main_sched());
}
if(listener)
{
listener_del(listener);
}
return -1;
}
static int
pthread_mutex_lock_intern (pthread_mutex_t *m, DWORD timeout)
{
mutex_t *_m;
int r;
HANDLE h;
#if 0
int waited = 0;
#endif
r = mutex_ref (m);
if (r)
return r;
_m = (mutex_t *) *m;
if (_m->type != PTHREAD_MUTEX_NORMAL)
{
if (COND_LOCKED(_m))
{
if (COND_OWNER(_m))
{
if (_m->type == PTHREAD_MUTEX_RECURSIVE)
{
#if 0
printf("thread %d, recursive increment %p\n", GetCurrentThreadId(), m);
#endif
InterlockedIncrement(&_m->count);
return mutex_unref(m,0);
}
#if 0
printf("thread %d, non recursive increment?!? %p\n", GetCurrentThreadId(), m);
#endif
return mutex_unref(m, EDEADLK);
}
}
}
h = _m->h;
mutex_unref (m, 0);
if(_m->owner) {
#if 0
waited = 1;
printf("thread %d, waiting for thread: %d on mutex %p for %d time\n", GetCurrentThreadId(), _m->owner, m, timeout);
#endif
}
r = do_sema_b_wait_intern (h, 1, timeout);
#if 0
if(waited) {
printf("thread %d, resumed\n", GetCurrentThreadId());
}
#endif
if (r != 0)
return r;
r = mutex_ref (m);
if (r)
return r;
_m->count = 1;
SET_OWNER(_m);
#if 0
printf("thread %d, setting owner of mutex %p\n", GetCurrentThreadId(), m);
#endif
return mutex_unref (m, r);
}