41   volatile int nRef;         /* Number of enterances */  member
67   return p->nRef!=0 && p->owner==GetCurrentThreadId();  in winMutexHeld()
71   return p->nRef==0 || p->owner!=tid;  in winMutexNotheld2()
262   assert( p->nRef==0 && p->owner==0 );  in winMutexFree()
297   assert( p->nRef>0 || p->owner==0 );  in winMutexEnter()
299   p->nRef++;  in winMutexEnter()
302              tid, p->id, p, p->trace, p->nRef));  in winMutexEnter()
335     p->nRef++;  in winMutexTry()
345              tid, p->id, p, p->trace, p->owner, p->nRef, sqlite3ErrName(rc)));  in winMutexTry()
363   assert( p->nRef>0 );  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()
374              tid, p->id, p, p->trace, p->nRef));  in winMutexLeave()