2002-09-30 Robert Collins <rbtcollins@hotmail.com>

* pthread.cc (pthread_mutex_init): Use new pthread_mutex::init.
        * thread.cc: Change __pthread_mutex_init to pthread_mutex::init
        throughout.
        (MTinterface::Init): Initialise pthread_mutex support.
        (pthread_mutex::mutexInitializationLock): Instantiate.
        (pthread_mutex::initMutex): New method.
        (__pthread_cond_dowait): Don't dereference untrusted pointers.
        Use the new pthread_mutex::init method.
        (__pthread_condattr_init): Don't dereference untrusted pointers.
        (__pthread_mutex_init): Rename to pthread_mutex::init.
        Lock and release mutexInitializationLock to prevent races on
        mutex initialisation.
        * thread.h (pthread_mutex::initMutex): New method, initialise
        pthread_mutex supporting state on process initialisation.
        (pthread_mutex::init): Initialise a single mutex.
        (pthread_mutex::mutexInitializationLock): A win32 mutex for
        syncronising pthread mutex initialisation.
        (__pthread_mutex_init): Remove this.

winsup/cygwin/pthread.cc

@@ -234,7 +234,7 @@ pthread_equal (pthread_t t1, pthread_t t2)
 int
 pthread_mutex_init (pthread_mutex_t * mutex, const pthread_mutexattr_t * attr)
 {
-  return __pthread_mutex_init (mutex, attr);
+  return pthread_mutex::init (mutex, attr);
 }
 
 int