diff options
Diffstat (limited to 'nptl')
| -rw-r--r-- | nptl/Banner | 2 | ||||
| -rw-r--r-- | nptl/ChangeLog | 4 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h | 1 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h | 28 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h | 12 |
5 files changed, 44 insertions, 3 deletions
diff --git a/nptl/Banner b/nptl/Banner index 415c8db49d..32b4eeec75 100644 --- a/nptl/Banner +++ b/nptl/Banner @@ -1 +1 @@ -NPTL 0.41 by Ulrich Drepper +NPTL 0.42 by Ulrich Drepper diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 5d22f7f525..5b7d306869 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,5 +1,9 @@ 2003-05-29 Ulrich Drepper <drepper@redhat.com> + * sysdeps/unix/sysv/linux/s390/lowlevellock.h + (__lll_mutex_unlock_force): New function + (lll_mutex_unlock_force): Use __lll_mutex_unlock_force. + * sysdeps/unix/sysv/linux/ia64/lowlevellock.h (__lll_mutex_unlock_force): New function. (lll_mutex_unlock_force): Use __lll_mutex_unlock_force. diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h b/nptl/sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h index 9569ba5534..588f2a21b9 100644 --- a/nptl/sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h +++ b/nptl/sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h @@ -93,6 +93,7 @@ typedef union unsigned long long int __total_seq; unsigned long long int __wakeup_seq; unsigned long long int __woken_seq; + void *__mutex; } __data; char __size[__SIZEOF_PTHREAD_COND_T]; long long int __align; diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h index 621fdcee88..877483b22c 100644 --- a/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h +++ b/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h @@ -29,6 +29,7 @@ #define __NR_futex 221 #define FUTEX_WAIT 0 #define FUTEX_WAKE 1 +#define FUTEX_REQUEUE 3 /* Initializer for compatibility lock. */ #define LLL_MUTEX_LOCK_INITIALIZER (0) @@ -63,6 +64,17 @@ INTERNAL_SYSCALL_ERROR_P (__ret, __err)? -__ret: 0; \ }) +#define lll_futex_requeue(futexp, nr_wake, nr_move, mutex) \ + ({ \ + INTERNAL_SYSCALL_DECL (__err); \ + long int __ret; \ + \ + __ret = INTERNAL_SYSCALL (futex, __err, 5, \ + (futexp), FUTEX_REQUEUE, (nr_wake), (nr_move), \ + (mutex)); \ + INTERNAL_SYSCALL_ERROR_P (__ret, __err)? -__ret: 0; \ + }) + #ifdef UP # define __lll_acq_instr "" # define __lll_rel_instr "" @@ -100,6 +112,15 @@ extern void __lll_lock_wait (int *futex, int val) attribute_hidden; __lll_lock_wait (__futex, __val); \ }) +#define lll_mutex_cond_lock(lock) \ + (void) ({ \ + int *__futex = &(lock); \ + int __val = atomic_exchange_and_add (__futex, 2); \ + __asm __volatile (__lll_acq_instr ::: "memory"); \ + if (__builtin_expect (__val != 0, 0)) \ + __lll_lock_wait (__futex, __val); \ + }) + extern int __lll_timedlock_wait (int *futex, int val, const struct timespec *) attribute_hidden; @@ -120,6 +141,13 @@ extern int __lll_timedlock_wait lll_futex_wake (__futex, 1); \ })) +#define lll_mutex_unlock_force(lock) \ + ((void) ({ \ + int *__futex = &(lock); \ + *__futex = 0; \ + lll_futex_wake (__futex, 1); \ + })) + #define lll_mutex_islocked(futex) \ (futex != 0) diff --git a/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h index 62a06b5c5e..4d95319f1c 100644 --- a/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h +++ b/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h @@ -170,7 +170,7 @@ __attribute__ ((always_inline)) __lll_mutex_unlock (int *futex) { int oldval; - int newval; + int newval = 0; lll_compare_and_swap (futex, oldval, newval, "slr %2,%2"); if (oldval > 1) @@ -179,8 +179,16 @@ __lll_mutex_unlock (int *futex) #define lll_mutex_unlock(futex) \ __lll_mutex_unlock(&(futex)) + +static inline void +__attribute__ ((always_inline)) +__lll_mutex_unlock_force (int *futex) +{ + *futex = 0; + lll_futex_wake (futex, 1); +} #define lll_mutex_unlock_force(futex) \ - lll_futex_wake (&(futex), 1) + __lll_mutex_unlock_force(&(futex)) #define lll_mutex_islocked(futex) \ (futex != 0) |