pthread_mutex_lock   80 Magick++/lib/Thread.cpp   if ( (sysError = ::pthread_mutex_lock( &_mutex )) == 0)
pthread_mutex_lock   69 magick/semaphore-private.h     status=pthread_mutex_lock(&semaphore_mutex);
pthread_mutex_lock  363 magick/semaphore.c     status=pthread_mutex_lock(&semaphore_info->mutex);