diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h | 99 |
1 files changed, 1 insertions, 98 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h index 38d9f2ac41..f4ed98a503 100644 --- a/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h +++ b/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003. @@ -30,11 +30,6 @@ #define FUTEX_WAKE 1 #define FUTEX_REQUEUE 3 #define FUTEX_CMP_REQUEUE 4 -#define FUTEX_WAKE_OP 5 -#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE ((4 << 24) | 1) -#define FUTEX_LOCK_PI 6 -#define FUTEX_UNLOCK_PI 7 -#define FUTEX_TRYLOCK_PI 8 /* Initializer for compatibility lock. */ #define LLL_MUTEX_LOCK_INITIALIZER (0) @@ -88,17 +83,6 @@ }) -#define lll_robust_mutex_dead(futexv) \ - do \ - { \ - int *__futexp = &(futexv); \ - \ - atomic_or (__futexp, FUTEX_OWNER_DIED); \ - lll_futex_wake (__futexp, 1); \ - } \ - while (0) - - /* Returns non-zero if error happened, zero if success. */ #define lll_futex_requeue(futex, nr_wake, nr_move, mutex, val) \ ({ \ @@ -119,27 +103,6 @@ }) -/* Returns non-zero if error happened, zero if success. */ -#define lll_futex_wake_unlock(futex, nr_wake, nr_wake2, futex2) \ - ({ \ - register unsigned long int __r2 asm ("2") = (unsigned long int) (futex); \ - register unsigned long int __r3 asm ("3") = FUTEX_WAKE_OP; \ - register unsigned long int __r4 asm ("4") = (long int) (nr_wake); \ - register unsigned long int __r5 asm ("5") = (long int) (nr_wake2); \ - register unsigned long int __r6 asm ("6") = (unsigned long int) (futex2); \ - register unsigned long int __r7 asm ("7") \ - = (int) FUTEX_OP_CLEAR_WAKE_IF_GT_ONE; \ - register unsigned long __result asm ("2"); \ - \ - __asm __volatile ("svc %b1" \ - : "=d" (__result) \ - : "i" (SYS_futex), "0" (__r2), "d" (__r3), \ - "d" (__r4), "d" (__r5), "d" (__r6), "d" (__r7) \ - : "cc", "memory" ); \ - __result > -4096UL; \ - }) - - #define lll_compare_and_swap(futex, oldval, newval, operation) \ do { \ __typeof (futex) __futex = (futex); \ @@ -181,23 +144,7 @@ __lll_mutex_cond_trylock (int *futex) #define lll_mutex_cond_trylock(futex) __lll_mutex_cond_trylock (&(futex)) -static inline int -__attribute__ ((always_inline)) -__lll_robust_mutex_trylock (int *futex, int id) -{ - unsigned int old; - - __asm __volatile ("cs %0,%3,%1" - : "=d" (old), "=Q" (*futex) - : "0" (0), "d" (id), "m" (*futex) : "cc", "memory" ); - return old != 0; -} -#define lll_robust_mutex_trylock(futex, id) \ - __lll_robust_mutex_trylock (&(futex), id) - - extern void __lll_lock_wait (int *futex) attribute_hidden; -extern int __lll_robust_lock_wait (int *futex) attribute_hidden; static inline void __attribute__ ((always_inline)) @@ -208,17 +155,6 @@ __lll_mutex_lock (int *futex) } #define lll_mutex_lock(futex) __lll_mutex_lock (&(futex)) -static inline int -__attribute__ ((always_inline)) -__lll_robust_mutex_lock (int *futex, int id) -{ - int result = 0; - if (atomic_compare_and_exchange_bool_acq (futex, id, 0) != 0) - result = __lll_robust_lock_wait (futex); - return result; -} -#define lll_robust_mutex_lock(futex, id) __lll_robust_mutex_lock (&(futex), id) - static inline void __attribute__ ((always_inline)) __lll_mutex_cond_lock (int *futex) @@ -228,13 +164,8 @@ __lll_mutex_cond_lock (int *futex) } #define lll_mutex_cond_lock(futex) __lll_mutex_cond_lock (&(futex)) -#define lll_robust_mutex_cond_lock(futex, id) \ - __lll_robust_mutex_lock (&(futex), (id) | FUTEX_WAITERS) - 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; static inline int __attribute__ ((always_inline)) @@ -248,19 +179,6 @@ __lll_mutex_timedlock (int *futex, const struct timespec *abstime) #define lll_mutex_timedlock(futex, abstime) \ __lll_mutex_timedlock (&(futex), abstime) -static inline int -__attribute__ ((always_inline)) -__lll_robust_mutex_timedlock (int *futex, const struct timespec *abstime, - int id) -{ - int result = 0; - if (atomic_compare_and_exchange_bool_acq (futex, id, 0) != 0) - result = __lll_robust_timedlock_wait (futex, abstime); - return result; -} -#define lll_robust_mutex_timedlock(futex, abstime, id) \ - __lll_robust_mutex_timedlock (&(futex), abstime, id) - static inline void __attribute__ ((always_inline)) @@ -279,21 +197,6 @@ __lll_mutex_unlock (int *futex) static inline void __attribute__ ((always_inline)) -__lll_robust_mutex_unlock (int *futex, int mask) -{ - int oldval; - int newval = 0; - - lll_compare_and_swap (futex, oldval, newval, "slr %2,%2"); - if (oldval & mask) - lll_futex_wake (futex, 1); -} -#define lll_robust_mutex_unlock(futex) \ - __lll_robust_mutex_unlock(&(futex), FUTEX_WAITERS) - - -static inline void -__attribute__ ((always_inline)) __lll_mutex_unlock_force (int *futex) { *futex = 0; |