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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2020-11-21 11:40:46 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2020-11-23 15:39:43 -0300 |
| commit | d300f941a87861f1ef9f5b844b46316112587ca1 (patch) | |
| tree | 610d039139d9df0acbf5eec706414c18ebd494f6 | |
| parent | aaa99af3781e91ba00781a344915526f0fa9c4cc (diff) | |
| download | glibc-d300f941a87861f1ef9f5b844b46316112587ca1.tar.gz | |
linux: nptl: Remove _futex_clock_wait_bitset64
It can be replaced with a __futex_abstimed_wait64 call.
Checked on x86_64-linux-gnu and i686-linux-gnu.
| -rw-r--r-- | nptl/pthread_mutex_timedlock.c | 7 | ||||
| -rw-r--r-- | sysdeps/nptl/futex-internal.c | 46 | ||||
| -rw-r--r-- | sysdeps/nptl/futex-internal.h | 5 |
3 files changed, 4 insertions, 54 deletions
diff --git a/nptl/pthread_mutex_timedlock.c b/nptl/pthread_mutex_timedlock.c index de88e9fc25..0ec47359be 100644 --- a/nptl/pthread_mutex_timedlock.c +++ b/nptl/pthread_mutex_timedlock.c @@ -265,12 +265,13 @@ __pthread_mutex_clocklock_common (pthread_mutex_t *mutex, assume_other_futex_waiters |= FUTEX_WAITERS; /* Block using the futex. */ - int err = __futex_clock_wait_bitset64 (&mutex->__data.__lock, + int err = __futex_abstimed_wait64 ( + (unsigned int *) &mutex->__data.__lock, oldval, clockid, abstime, PTHREAD_ROBUST_MUTEX_PSHARED (mutex)); /* The futex call timed out. */ - if (err == -ETIMEDOUT) - return -err; + if (err == ETIMEDOUT) + return err; /* Reload current lock value. */ oldval = mutex->__data.__lock; } diff --git a/sysdeps/nptl/futex-internal.c b/sysdeps/nptl/futex-internal.c index f9a2e28ee6..30c662547f 100644 --- a/sysdeps/nptl/futex-internal.c +++ b/sysdeps/nptl/futex-internal.c @@ -48,27 +48,6 @@ __futex_abstimed_wait_common32 (unsigned int* futex_word, pts32, NULL /* Unused. */, FUTEX_BITSET_MATCH_ANY); } - -static int -__futex_clock_wait_bitset32 (int *futexp, int val, clockid_t clockid, - const struct __timespec64 *abstime, int private) -{ - struct timespec ts32; - - if (abstime != NULL && ! in_time_t_range (abstime->tv_sec)) - return -EOVERFLOW; - - const unsigned int clockbit = - (clockid == CLOCK_REALTIME) ? FUTEX_CLOCK_REALTIME : 0; - const int op = __lll_private_flag (FUTEX_WAIT_BITSET | clockbit, private); - - if (abstime != NULL) - ts32 = valid_timespec64_to_timespec (*abstime); - - return INTERNAL_SYSCALL_CALL (futex, futexp, op, val, - abstime != NULL ? &ts32 : NULL, - NULL /* Unused. */, FUTEX_BITSET_MATCH_ANY); -} #endif /* ! __ASSUME_TIME64_SYSCALLS */ static int @@ -198,28 +177,3 @@ __futex_clocklock_wait64 (int *futex, int val, clockid_t clockid, return -err; } - -int -__futex_clock_wait_bitset64 (int *futexp, int val, clockid_t clockid, - const struct __timespec64 *abstime, - int private) -{ - int ret; - if (! lll_futex_supported_clockid (clockid)) - { - return -EINVAL; - } - - const unsigned int clockbit = - (clockid == CLOCK_REALTIME) ? FUTEX_CLOCK_REALTIME : 0; - const int op = __lll_private_flag (FUTEX_WAIT_BITSET | clockbit, private); - - ret = INTERNAL_SYSCALL_CALL (futex_time64, futexp, op, val, - abstime, NULL /* Unused. */, - FUTEX_BITSET_MATCH_ANY); -#ifndef __ASSUME_TIME64_SYSCALLS - if (ret == -ENOSYS) - ret = __futex_clock_wait_bitset32 (futexp, val, clockid, abstime, private); -#endif - return ret; -} diff --git a/sysdeps/nptl/futex-internal.h b/sysdeps/nptl/futex-internal.h index cefab74301..dcc7958d59 100644 --- a/sysdeps/nptl/futex-internal.h +++ b/sysdeps/nptl/futex-internal.h @@ -440,9 +440,4 @@ __futex_clocklock64 (int *futex, clockid_t clockid, return err; } -int -__futex_clock_wait_bitset64 (int *futexp, int val, clockid_t clockid, - const struct __timespec64 *abstime, - int private) attribute_hidden; - #endif /* futex-internal.h */ |