mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 15:00:06 +00:00
51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/* Copyright (C) 1994 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
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If
|
|
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
|
|
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 *);
|
|
|
|
void
|
|
__mutex_lock_solid (void *lock)
|
|
{
|
|
if (_cthread_mutex_lock_routine)
|
|
(*_cthread_mutex_lock_routine) (lock);
|
|
else
|
|
__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);
|
|
}
|