mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-27 04:41:02 +08:00
5d3b4a7723
* sysdeps/hppa/linuxthreads/pspinlock.c: New file. * sysdeps/hppa/linuxthreads/pt-machine.h: Likewise. * sysdeps/hppa/linuxthreads/tls.h: Likewise. * sysdeps/unix/sysv/linux/hppa/linuxthreads/aio_cancel.c: Likewise. * sysdeps/unix/sysv/linux/hppa/linuxthreads/malloc-machine.h: Likewise. * sysdeps/unix/sysv/linux/hppa/linuxthreads/pt-initfini.c: Likewise. * sysdeps/unix/sysv/linux/hppa/linuxthreads/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/hppa/linuxthreads/bits/initspin.h: Likewise. * sysdeps/unix/sysv/linux/hppa/linuxthreads/bits/pthreadtypes.h: Likewise.
42 lines
1.8 KiB
C
42 lines
1.8 KiB
C
/* PA-RISC specific definitions for spinlock initializers.
|
|
Copyright (C) 2000, 2001 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 Lesser General Public License as
|
|
published by the Free Software Foundation; either version 2.1 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
/* Initial value of a spinlock. PA-RISC only implements atomic load
|
|
and clear so this must be non-zero. */
|
|
#define __LT_SPINLOCK_INIT ((__atomic_lock_t) { { 1, 1, 1, 1 } })
|
|
|
|
/* Initialize global spinlocks without cast, generally macro wrapped */
|
|
#define __LT_SPINLOCK_ALT_INIT { { 1, 1, 1, 1 } }
|
|
|
|
/* Macros for lock initializers, not using the above definition.
|
|
The above definition is not used in the case that static initializers
|
|
use this value. */
|
|
#define __LOCK_ALT_INITIALIZER { __LT_SPINLOCK_ALT_INIT, 0 }
|
|
|
|
/* Used to initialize _pthread_fastlock's in non-static case */
|
|
#define __LOCK_INITIALIZER ((struct _pthread_fastlock){ __LT_SPINLOCK_INIT, 0 })
|
|
|
|
/* Used in pthread_atomic initialization */
|
|
#define __ATOMIC_INITIALIZER { 0, __LT_SPINLOCK_ALT_INIT }
|
|
|
|
/* Tell the rest of the code that the initializer is non-zero without
|
|
explaining it's internal structure */
|
|
#define __LT_INITIALIZER_NOT_ZERO
|
|
|