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(lll_futex_wait, lll_futex_timed_wait, lll_futex_wake, lll_futex_requeue): On

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success return actual return value from the syscall, not 0.
This commit is contained in:
Ulrich Drepper 2003-07-08 03:42:27 +00:00
parent 16fc430a76
commit dc7d6605c8
1 changed files with 4 additions and 5 deletions
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9
sysdeps/unix/sysv/linux/alpha/nptl/lowlevellock.h
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@ -39,7 +39,7 @@
long int __ret; \
__ret = INTERNAL_SYSCALL (futex, __err, 4, \
(futexp), FUTEX_WAIT, (val), 0); \
INTERNAL_SYSCALL_ERROR_P (__ret, __err)? -__ret: 0; \
INTERNAL_SYSCALL_ERROR_P (__ret, __err)? -__ret : __ret; \
})
#define lll_futex_timed_wait(futexp, val, timespec) \
@ -48,7 +48,7 @@
long int __ret; \
__ret = INTERNAL_SYSCALL (futex, __err, 4, \
(futexp), FUTEX_WAIT, (val), (timespec)); \
INTERNAL_SYSCALL_ERROR_P (__ret, __err)? -__ret: 0; \
INTERNAL_SYSCALL_ERROR_P (__ret, __err)? -__ret : __ret; \
})
#define lll_futex_wake(futexp, nr) \
@ -57,18 +57,17 @@
long int __ret; \
__ret = INTERNAL_SYSCALL (futex, __err, 4, \
(futexp), FUTEX_WAKE, (nr), 0); \
INTERNAL_SYSCALL_ERROR_P (__ret, __err)? -__ret: 0; \
INTERNAL_SYSCALL_ERROR_P (__ret, __err)? -__ret : __ret; \
})
#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; \
INTERNAL_SYSCALL_ERROR_P (__ret, __err)? -__ret : __ret; \
})
/* Set *futex to 1 if it is 0, atomically. Returns the old value */