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Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h244
1 files changed, 104 insertions, 140 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h
index 095f0e8aca..3c28a397ea 100644
--- a/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h
@@ -73,9 +73,6 @@
/* Delay in spinlock loop. */
#define BUSY_WAIT_NOP asm ("hint @pause")
-/* Initializer for compatibility lock. */
-#define LLL_MUTEX_LOCK_INITIALIZER (0)
-
#define lll_futex_wait(futex, val, private) \
lll_futex_timed_wait (futex, val, NULL, private)
@@ -95,12 +92,13 @@
_r10 == -1 ? -_retval : _retval; \
})
-#define lll_robust_mutex_dead(futexv) \
+#define lll_robust_dead(futexv, private) \
do \
{ \
int *__futexp = &(futexv); \
atomic_or (__futexp, FUTEX_OWNER_DIED); \
- DO_INLINE_SYSCALL(futex, 3, (long) __futexp, FUTEX_WAKE, 1); \
+ DO_INLINE_SYSCALL(futex, 3, (long) __futexp, \
+ __lll_private_flag (FUTEX_WAKE, private), 1); \
} \
while (0)
@@ -123,156 +121,144 @@ while (0)
})
-#define __lll_mutex_trylock(futex) \
+#define __lll_trylock(futex) \
(atomic_compare_and_exchange_val_acq (futex, 1, 0) != 0)
-#define lll_mutex_trylock(futex) __lll_mutex_trylock (&(futex))
+#define lll_trylock(futex) __lll_trylock (&(futex))
-#define __lll_robust_mutex_trylock(futex, id) \
+#define __lll_robust_trylock(futex, id) \
(atomic_compare_and_exchange_val_acq (futex, id, 0) != 0)
-#define lll_robust_mutex_trylock(futex, id) \
- __lll_robust_mutex_trylock (&(futex), id)
+#define lll_robust_trylock(futex, id) \
+ __lll_robust_trylock (&(futex), id)
-#define __lll_mutex_cond_trylock(futex) \
+#define __lll_cond_trylock(futex) \
(atomic_compare_and_exchange_val_acq (futex, 2, 0) != 0)
-#define lll_mutex_cond_trylock(futex) __lll_mutex_cond_trylock (&(futex))
+#define lll_cond_trylock(futex) __lll_cond_trylock (&(futex))
-extern void __lll_lock_wait (int *futex) attribute_hidden;
-extern int __lll_robust_lock_wait (int *futex) attribute_hidden;
+extern void __lll_lock_wait_private (int *futex) attribute_hidden;
+extern void __lll_lock_wait (int *futex, int private) attribute_hidden;
+extern int __lll_robust_lock_wait (int *futex, int private) attribute_hidden;
-#define __lll_mutex_lock(futex) \
- ((void) ({ \
- int *__futex = (futex); \
- if (atomic_compare_and_exchange_bool_acq (__futex, 1, 0) != 0) \
- __lll_lock_wait (__futex); \
+#define __lll_lock(futex, private) \
+ ((void) ({ \
+ int *__futex = (futex); \
+ if (__builtin_expect (atomic_compare_and_exchange_bool_acq (__futex, \
+ 1, 0), 0)) \
+ { \
+ if (__builtin_constant_p (private) && (private) == LLL_PRIVATE) \
+ __lll_lock_wait_private (__futex); \
+ else \
+ __lll_lock_wait (__futex, private); \
}))
-#define lll_mutex_lock(futex) __lll_mutex_lock (&(futex))
-
-
-#define __lll_robust_mutex_lock(futex, id) \
- ({ \
- int *__futex = (futex); \
- int __val = 0; \
- \
- if (atomic_compare_and_exchange_bool_acq (__futex, id, 0) != 0) \
- __val = __lll_robust_lock_wait (__futex); \
- __val; \
+#define lll_lock(futex, private) __lll_lock (&(futex), private)
+
+
+#define __lll_robust_lock(futex, id, private) \
+ ({ \
+ int *__futex = (futex); \
+ int __val = 0; \
+ \
+ if (__builtin_expect (atomic_compare_and_exchange_bool_acq (__futex, id, \
+ 0), 0)) \
+ __val = __lll_robust_lock_wait (__futex, private); \
+ __val; \
})
-#define lll_robust_mutex_lock(futex, id) __lll_robust_mutex_lock (&(futex), id)
+#define lll_robust_lock(futex, id, private) \
+ __lll_robust_lock (&(futex), id, private)
-#define __lll_mutex_cond_lock(futex) \
- ((void) ({ \
- int *__futex = (futex); \
- if (atomic_compare_and_exchange_bool_acq (__futex, 2, 0) != 0) \
- __lll_lock_wait (__futex); \
+#define __lll_cond_lock(futex, private) \
+ ((void) ({ \
+ int *__futex = (futex); \
+ if (__builtin_expect (atomic_compare_and_exchange_bool_acq (__futex, 2, \
+ 0), 0)) \
+ __lll_lock_wait (__futex, private); \
}))
-#define lll_mutex_cond_lock(futex) __lll_mutex_cond_lock (&(futex))
-
-
-#define __lll_robust_mutex_cond_lock(futex, id) \
- ({ \
- int *__futex = (futex); \
- int __val = 0; \
- int __id = (id) | FUTEX_WAITERS; \
- \
- if (atomic_compare_and_exchange_bool_acq (__futex, __id, 0) != 0) \
- __val = __lll_robust_lock_wait (__futex); \
- __val; \
+#define lll_cond_lock(futex, private) __lll_cond_lock (&(futex), private)
+
+
+#define __lll_robust_cond_lock(futex, id, private) \
+ ({ \
+ int *__futex = (futex); \
+ int __val = 0; \
+ int __id = (id) | FUTEX_WAITERS; \
+ \
+ if (__builtin_expect (atomic_compare_and_exchange_bool_acq (__futex, \
+ __id, 0), 0)) \
+ __val = __lll_robust_lock_wait (__futex, private); \
+ __val; \
})
-#define lll_robust_mutex_cond_lock(futex, id) \
- __lll_robust_mutex_cond_lock (&(futex), id)
+#define lll_robust_cond_lock(futex, id, private) \
+ __lll_robust_cond_lock (&(futex), id, private)
-extern int __lll_timedlock_wait (int *futex, const struct timespec *)
- attribute_hidden;
-extern int __lll_robust_timedlock_wait (int *futex, const struct timespec *)
- attribute_hidden;
+extern int __lll_timedlock_wait (int *futex, const struct timespec *,
+ int private) attribute_hidden;
+extern int __lll_robust_timedlock_wait (int *futex, const struct timespec *,
+ int private) attribute_hidden;
-#define __lll_mutex_timedlock(futex, abstime) \
- ({ \
- int *__futex = (futex); \
- int __val = 0; \
- \
- if (atomic_compare_and_exchange_bool_acq (__futex, 1, 0) != 0) \
- __val = __lll_timedlock_wait (__futex, abstime); \
- __val; \
+#define __lll_timedlock(futex, abstime, private) \
+ ({ \
+ int *__futex = (futex); \
+ int __val = 0; \
+ \
+ if (__builtin_expect (atomic_compare_and_exchange_bool_acq (__futex, 1, \
+ 0), 0)) \
+ __val = __lll_timedlock_wait (__futex, abstime, private); \
+ __val; \
})
-#define lll_mutex_timedlock(futex, abstime) \
- __lll_mutex_timedlock (&(futex), abstime)
-
-
-#define __lll_robust_mutex_timedlock(futex, abstime, id) \
- ({ \
- int *__futex = (futex); \
- int __val = 0; \
- \
- if (atomic_compare_and_exchange_bool_acq (__futex, id, 0) != 0) \
- __val = __lll_robust_timedlock_wait (__futex, abstime); \
- __val; \
+#define lll_timedlock(futex, abstime, private) \
+ __lll_timedlock (&(futex), abstime, private)
+
+
+#define __lll_robust_timedlock(futex, abstime, id, private) \
+ ({ \
+ int *__futex = (futex); \
+ int __val = 0; \
+ \
+ if (__builtin_expect (atomic_compare_and_exchange_bool_acq (__futex, id, \
+ 0), 0)) \
+ __val = __lll_robust_timedlock_wait (__futex, abstime, private); \
+ __val; \
})
-#define lll_robust_mutex_timedlock(futex, abstime, id) \
- __lll_robust_mutex_timedlock (&(futex), abstime, id)
+#define lll_robust_timedlock(futex, abstime, id, private) \
+ __lll_robust_timedlock (&(futex), abstime, id, private)
-#define __lll_mutex_unlock(futex) \
- ((void) ({ \
- int *__futex = (futex); \
- int __val = atomic_exchange_rel (__futex, 0); \
- \
- if (__builtin_expect (__val > 1, 0)) \
- lll_futex_wake (__futex, 1, LLL_SHARED); \
+#define __lll_unlock(futex, private) \
+ ((void) ({ \
+ int *__futex = (futex); \
+ int __val = atomic_exchange_rel (__futex, 0); \
+ \
+ if (__builtin_expect (__val > 1, 0)) \
+ lll_futex_wake (__futex, 1, private); \
}))
-#define lll_mutex_unlock(futex) \
- __lll_mutex_unlock(&(futex))
+#define lll_unlock(futex, private) __lll_unlock(&(futex), private)
-#define __lll_robust_mutex_unlock(futex) \
- ((void) ({ \
- int *__futex = (futex); \
- int __val = atomic_exchange_rel (__futex, 0); \
- \
- if (__builtin_expect (__val & FUTEX_WAITERS, 0)) \
- lll_futex_wake (__futex, 1, LLL_SHARED); \
+#define __lll_robust_unlock(futex, private) \
+ ((void) ({ \
+ int *__futex = (futex); \
+ int __val = atomic_exchange_rel (__futex, 0); \
+ \
+ if (__builtin_expect (__val & FUTEX_WAITERS, 0)) \
+ lll_futex_wake (__futex, 1, private); \
}))
-#define lll_robust_mutex_unlock(futex) \
- __lll_robust_mutex_unlock(&(futex))
+#define lll_robust_unlock(futex, private) \
+ __lll_robust_unlock(&(futex), private)
-#define __lll_mutex_unlock_force(futex) \
- ((void) ({ \
- int *__futex = (futex); \
- (void) atomic_exchange_rel (__futex, 0); \
- lll_futex_wake (__futex, 1, LLL_SHARED); \
- }))
-#define lll_mutex_unlock_force(futex) \
- __lll_mutex_unlock_force(&(futex))
-
-
-#define lll_mutex_islocked(futex) \
+#define lll_islocked(futex) \
(futex != 0)
-
-/* We have a separate internal lock implementation which is not tied
- to binary compatibility. We can use the lll_mutex_*. */
-
-/* Type for lock object. */
-typedef int lll_lock_t;
-
/* Initializers for lock. */
#define LLL_LOCK_INITIALIZER (0)
#define LLL_LOCK_INITIALIZER_LOCKED (1)
-#define lll_trylock(futex) lll_mutex_trylock (futex)
-#define lll_lock(futex) lll_mutex_lock (futex)
-#define lll_unlock(futex) lll_mutex_unlock (futex)
-#define lll_islocked(futex) lll_mutex_islocked (futex)
-
-
/* The kernel notifies a process with 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
@@ -297,26 +283,4 @@ extern int __lll_timedwait_tid (int *, const struct timespec *)
__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 */
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 18:18:18 +0000