runtime: Remove temporary runtime_cond_wait function.

From-SVN: r181897

libgo/runtime/runtime.h

@@ -337,6 +337,3 @@ void reflect_call(const struct __go_func_type *, const void *, _Bool, _Bool,
 #ifdef __rtems__
 void __wrap_rtems_task_variable_add(void **);
 #endif
-
-/* Temporary.  */
-void	runtime_cond_wait(pthread_cond_t*, pthread_mutex_t*);

libgo/runtime/thread.c

@@ -90,27 +90,3 @@ runtime_minit(void)
 	if(sigaltstack(&ss, nil) < 0)
 		*(int *)0xf1 = 0xf1;
 }
-
-// Temporary functions, which will be removed when we stop using
-// condition variables.
-
-void
-runtime_cond_wait(pthread_cond_t* cond, pthread_mutex_t* mutex)
-{
-	int i;
-
-	runtime_entersyscall();
-
-	i = pthread_cond_wait(cond, mutex);
-	if(i != 0)
-		runtime_throw("pthread_cond_wait");
-	i = pthread_mutex_unlock(mutex);
-	if(i != 0)
-		runtime_throw("pthread_mutex_unlock");
-
-	runtime_exitsyscall();
-
-	i = pthread_mutex_lock(mutex);
-	if(i != 0)
-		runtime_throw("pthread_mutex_lock");
-}