diff options
Diffstat (limited to 'mach/mutex-solid.c')
| -rw-r--r-- | mach/mutex-solid.c | 27 |
1 files changed, 7 insertions, 20 deletions
diff --git a/mach/mutex-solid.c b/mach/mutex-solid.c index aeaa269..db203d9 100644 --- a/mach/mutex-solid.c +++ b/mach/mutex-solid.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1994 Free Software Foundation, Inc. +/* Stub versions of mutex_lock_solid/mutex_unlock_solid for no -lthreads. +Copyright (C) 1995 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -19,32 +20,18 @@ Cambridge, MA 02139, USA. */ #include <lock-intern.h> #include <cthreads.h> -/* If cthreads is linked in, it will define these variables with values - that point to its mutex functions. */ -void (*_cthread_mutex_lock_routine) (struct mutex *); -void (*_cthread_mutex_unlock_routine) (struct mutex *); +/* If cthreads is linked in, it will define these functions itself to do + real cthreads mutex locks. This file will only be linked in when + cthreads is not used, and `mutexes' are in fact just spin locks (and + some unused storage). */ void __mutex_lock_solid (void *lock) { - if (_cthread_mutex_lock_routine) - (*_cthread_mutex_lock_routine) (lock); - else - __spin_lock_solid (lock); + __spin_lock_solid (lock); } void __mutex_unlock_solid (void *lock) { - if (_cthread_mutex_unlock_routine) - (*_cthread_mutex_unlock_routine) (lock); -} - -void -__mutex_init (void *lock) -{ - /* This happens to be name space-safe because it is a macro. - It invokes only spin_lock_init, which is a macro for __spin_lock_init; - and cthread_queue_init, which is a macro for some simple code. */ - mutex_init ((struct mutex *) lock); } |