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Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/mips/lowlevellock.h')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/mips/lowlevellock.h216
1 files changed, 0 insertions, 216 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/mips/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/mips/lowlevellock.h
deleted file mode 100644
index 7edb28794f..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/mips/lowlevellock.h
+++ /dev/null
@@ -1,216 +0,0 @@
-/* Copyright (C) 2003, 2004, 2005 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; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#ifndef _LOWLEVELLOCK_H
-#define _LOWLEVELLOCK_H 1
-
-#include <time.h>
-#include <sys/param.h>
-#include <bits/pthreadtypes.h>
-#include <atomic.h>
-#include <sysdep.h>
-
-
-#define FUTEX_WAIT 0
-#define FUTEX_WAKE 1
-#define FUTEX_REQUEUE 3
-#define FUTEX_CMP_REQUEUE 4
-
-/* Initializer for compatibility lock. */
-#define LLL_MUTEX_LOCK_INITIALIZER (0)
-
-#define lll_futex_wait(futexp, val) \
- ({ \
- INTERNAL_SYSCALL_DECL (__err); \
- long int __ret; \
- __ret = INTERNAL_SYSCALL (futex, __err, 4, \
- (futexp), FUTEX_WAIT, (val), 0); \
- INTERNAL_SYSCALL_ERROR_P (__ret, __err) ? -__ret : __ret; \
- })
-
-#define lll_futex_timed_wait(futexp, val, timespec) \
- ({ \
- INTERNAL_SYSCALL_DECL (__err); \
- long int __ret; \
- __ret = INTERNAL_SYSCALL (futex, __err, 4, \
- (futexp), FUTEX_WAIT, (val), (timespec)); \
- INTERNAL_SYSCALL_ERROR_P (__ret, __err) ? -__ret : __ret; \
- })
-
-#define lll_futex_wake(futexp, nr) \
- ({ \
- INTERNAL_SYSCALL_DECL (__err); \
- long int __ret; \
- __ret = INTERNAL_SYSCALL (futex, __err, 4, \
- (futexp), FUTEX_WAKE, (nr), 0); \
- INTERNAL_SYSCALL_ERROR_P (__ret, __err) ? -__ret : __ret; \
- })
-
-/* Returns non-zero if error happened, zero if success. */
-#define lll_futex_requeue(futexp, nr_wake, nr_move, mutex, val) \
- ({ \
- INTERNAL_SYSCALL_DECL (__err); \
- long int __ret; \
- __ret = INTERNAL_SYSCALL (futex, __err, 6, \
- (futexp), FUTEX_CMP_REQUEUE, (nr_wake), \
- (nr_move), (mutex), (val)); \
- INTERNAL_SYSCALL_ERROR_P (__ret, __err); \
- })
-
-
-static inline int __attribute__((always_inline))
-__lll_mutex_trylock(int *futex)
-{
- return atomic_compare_and_exchange_val_acq (futex, 1, 0) != 0;
-}
-#define lll_mutex_trylock(lock) __lll_mutex_trylock (&(lock))
-
-
-static inline int __attribute__((always_inline))
-__lll_mutex_cond_trylock(int *futex)
-{
- return atomic_compare_and_exchange_val_acq (futex, 2, 0) != 0;
-}
-#define lll_mutex_cond_trylock(lock) __lll_mutex_cond_trylock (&(lock))
-
-
-extern void __lll_lock_wait (int *futex) attribute_hidden;
-
-static inline void __attribute__((always_inline))
-__lll_mutex_lock(int *futex)
-{
- if (atomic_compare_and_exchange_bool_acq (futex, 1, 0) != 0)
- __lll_lock_wait (futex);
-}
-#define lll_mutex_lock(futex) __lll_mutex_lock (&(futex))
-
-
-static inline void __attribute__ ((always_inline))
-__lll_mutex_cond_lock (int *futex)
-{
- if (atomic_compare_and_exchange_bool_acq (futex, 2, 0) != 0)
- __lll_lock_wait (futex);
-}
-#define lll_mutex_cond_lock(futex) __lll_mutex_cond_lock (&(futex))
-
-
-extern int __lll_timedlock_wait (int *futex, const struct timespec *)
- attribute_hidden;
-
-static inline int __attribute__ ((always_inline))
-__lll_mutex_timedlock (int *futex, const struct timespec *abstime)
-{
- int result = 0;
- if (atomic_compare_and_exchange_bool_acq (futex, 1, 0) != 0)
- result = __lll_timedlock_wait (futex, abstime);
- return result;
-}
-#define lll_mutex_timedlock(futex, abstime) \
- __lll_mutex_timedlock (&(futex), abstime)
-
-
-static inline void __attribute__ ((always_inline))
-__lll_mutex_unlock (int *futex)
-{
- int val = atomic_exchange_rel (futex, 0);
- if (__builtin_expect (val > 1, 0))
- lll_futex_wake (futex, 1);
-}
-#define lll_mutex_unlock(futex) __lll_mutex_unlock(&(futex))
-
-
-static inline void __attribute__ ((always_inline))
-__lll_mutex_unlock_force (int *futex)
-{
- (void) atomic_exchange_rel (futex, 0);
- lll_futex_wake (futex, 1);
-}
-#define lll_mutex_unlock_force(futex) __lll_mutex_unlock_force(&(futex))
-
-
-#define lll_mutex_islocked(futex) \
- (futex != 0)
-
-
-/* Our internal lock implementation is identical to the binary-compatible
- mutex implementation. */
-
-/* Type for lock object. */
-typedef int lll_lock_t;
-
-/* Initializers for lock. */
-#define LLL_LOCK_INITIALIZER (0)
-#define LLL_LOCK_INITIALIZER_LOCKED (1)
-
-extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
-
-/* The states of a lock are:
- 0 - untaken
- 1 - taken by one user
- >1 - taken by more users */
-
-#define lll_trylock(lock) lll_mutex_trylock (lock)
-#define lll_lock(lock) lll_mutex_lock (lock)
-#define lll_unlock(lock) lll_mutex_unlock (lock)
-#define lll_islocked(lock) lll_mutex_islocked (lock)
-
-/* The kernel notifies a process which uses CLONE_CLEARTID via futex
- wakeup when the clone terminates. The memory location contains the
- thread ID while the clone is running and is reset to zero
- afterwards. */
-#define lll_wait_tid(tid) \
- do { \
- __typeof (tid) __tid; \
- while ((__tid = (tid)) != 0) \
- lll_futex_wait (&(tid), __tid); \
- } while (0)
-
-extern int __lll_timedwait_tid (int *, const struct timespec *)
- attribute_hidden;
-
-#define lll_timedwait_tid(tid, abstime) \
- ({ \
- int __res = 0; \
- if ((tid) != 0) \
- __res = __lll_timedwait_tid (&(tid), (abstime)); \
- __res; \
- })
-
-
-/* Conditional variable handling. */
-
-extern void __lll_cond_wait (pthread_cond_t *cond)
- attribute_hidden;
-extern int __lll_cond_timedwait (pthread_cond_t *cond,
- const struct timespec *abstime)
- attribute_hidden;
-extern void __lll_cond_wake (pthread_cond_t *cond)
- attribute_hidden;
-extern void __lll_cond_broadcast (pthread_cond_t *cond)
- attribute_hidden;
-
-#define lll_cond_wait(cond) \
- __lll_cond_wait (cond)
-#define lll_cond_timedwait(cond, abstime) \
- __lll_cond_timedwait (cond, abstime)
-#define lll_cond_wake(cond) \
- __lll_cond_wake (cond)
-#define lll_cond_broadcast(cond) \
- __lll_cond_broadcast (cond)
-
-#endif /* lowlevellock.h */
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