66 static int winMutexHeld(sqlite3_mutex *p){  in winMutexHeld()  argument
67   return p->nRef!=0 && p->owner==GetCurrentThreadId();  in winMutexHeld()
70 static int winMutexNotheld2(sqlite3_mutex *p, DWORD tid){  in winMutexNotheld2()  argument
71   return p->nRef==0 || p->owner!=tid;  in winMutexNotheld2()
74 static int winMutexNotheld(sqlite3_mutex *p){  in winMutexNotheld()  argument
76   return winMutexNotheld2(p, tid);  in winMutexNotheld()
213   sqlite3_mutex *p;  in winMutexAlloc()  local
218       p = sqlite3MallocZero( sizeof(*p) );  in winMutexAlloc()
219       if( p ){  in winMutexAlloc()
220         p->id = iType;  in winMutexAlloc()
223         p->trace = 1;  in winMutexAlloc()
227         InitializeCriticalSectionEx(&p->mutex, 0, 0);  in winMutexAlloc()
229         InitializeCriticalSection(&p->mutex);  in winMutexAlloc()
241       p = &winMutex_staticMutexes[iType-2];  in winMutexAlloc()
244       InterlockedCompareExchange(&p->trace, 1, 0);  in winMutexAlloc()
250   assert( p==0 || p->id==iType );  in winMutexAlloc()
251   return p;  in winMutexAlloc()
260 static void winMutexFree(sqlite3_mutex *p){  in winMutexFree()  argument
261   assert( p );  in winMutexFree()
262   assert( p->nRef==0 && p->owner==0 );  in winMutexFree()
263   if( p->id==SQLITE_MUTEX_FAST || p->id==SQLITE_MUTEX_RECURSIVE ){  in winMutexFree()
264     DeleteCriticalSection(&p->mutex);  in winMutexFree()
265     sqlite3_free(p);  in winMutexFree()
284 static void winMutexEnter(sqlite3_mutex *p){  in winMutexEnter()  argument
289   assert( p );  in winMutexEnter()
290   assert( p->id==SQLITE_MUTEX_RECURSIVE || winMutexNotheld2(p, tid) );  in winMutexEnter()
292   assert( p );  in winMutexEnter()
295   EnterCriticalSection(&p->mutex);  in winMutexEnter()
297   assert( p->nRef>0 || p->owner==0 );  in winMutexEnter()
298   p->owner = tid;  in winMutexEnter()
299   p->nRef++;  in winMutexEnter()
300   if( p->trace ){  in winMutexEnter()
302              tid, p->id, p, p->trace, p->nRef));  in winMutexEnter()
307 static int winMutexTry(sqlite3_mutex *p){  in winMutexTry()  argument
312   assert( p );  in winMutexTry()
313   assert( p->id==SQLITE_MUTEX_RECURSIVE || winMutexNotheld2(p, tid) );  in winMutexTry()
332   if( winMutex_isNt && TryEnterCriticalSection(&p->mutex) ){  in winMutexTry()
334     p->owner = tid;  in winMutexTry()
335     p->nRef++;  in winMutexTry()
340   UNUSED_PARAMETER(p);  in winMutexTry()
343   if( p->trace ){  in winMutexTry()
345              tid, p->id, p, p->trace, p->owner, p->nRef, sqlite3ErrName(rc)));  in winMutexTry()
357 static void winMutexLeave(sqlite3_mutex *p){  in winMutexLeave()  argument
361   assert( p );  in winMutexLeave()
363   assert( p->nRef>0 );  in winMutexLeave()
364   assert( p->owner==tid );  in winMutexLeave()
365   p->nRef--;  in winMutexLeave()
366   if( p->nRef==0 ) p->owner = 0;  in winMutexLeave()
367   assert( p->nRef==0 || p->id==SQLITE_MUTEX_RECURSIVE );  in winMutexLeave()
370   LeaveCriticalSection(&p->mutex);  in winMutexLeave()
372   if( p->trace ){  in winMutexLeave()
374              tid, p->id, p, p->trace, p->nRef));  in winMutexLeave()