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authorAlbert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>2017-09-08 00:42:10 +0200
committerAlbert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>2018-10-24 12:53:27 +0200
commitedd2c042edae009e62ddf33b76f65a9a4d2ceede (patch)
treef8bf313f2349fef5c5ec4e821c8383e1e643fb23 /sysdeps/unix/sysv/linux/lowlevellock-futex.h
parentab06a727ab8176482c472a2956f7458a308b29a8 (diff)
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Y2038: add functions using futexes
This creates 64-bit time versions of the following APIs: - pthread_rwlock_timedrdlock - pthread_rwlock_timedwrlock - pthread_mutex_timedlock - pthread_cond_timedwait - sem_timedwait - aio_suspend It also creates 64-bit time versions of the following functions or macros: - lll_timedlock_elision - lll_timedlock - __lll_timedlock_wait - futex_reltimed_wait_cancelable - lll_futex_timed_wait - __pthread_cond_wait_common - futex_abstimed_wait_cancelable - lll_futex_timed_wait_bitset - do_aio_misc_wait - AIO_MISC_WAIT - __new_sem_wait_slow - do_futex_wait - __pthread_rwlock_wrlock_full - __pthread_rwlock_rdlock_full - futex_abstimed_wait
Diffstat (limited to 'sysdeps/unix/sysv/linux/lowlevellock-futex.h')
-rw-r--r--sysdeps/unix/sysv/linux/lowlevellock-futex.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/lowlevellock-futex.h b/sysdeps/unix/sysv/linux/lowlevellock-futex.h
index fc834ed16e..02fc2a51cd 100644
--- a/sysdeps/unix/sysv/linux/lowlevellock-futex.h
+++ b/sysdeps/unix/sysv/linux/lowlevellock-futex.h
@@ -82,6 +82,16 @@
__lll_private_flag (FUTEX_WAIT, private), \
val, timeout)
+#define lll_futex_timed_wait64(futexp, val, timeout, private) \
+ ({ \
+ struct timespec ts; \
+ ts.tv_sec = timeout->tv_sec; \
+ ts.tv_nsec = timeout->tv_nsec; \
+ lll_futex_syscall (4, futexp, \
+ __lll_private_flag (FUTEX_WAIT, private), \
+ val, &ts); \
+ })
+
#define lll_futex_timed_wait_bitset(futexp, val, timeout, clockbit, private) \
lll_futex_syscall (6, futexp, \
__lll_private_flag (FUTEX_WAIT_BITSET | (clockbit), \
@@ -89,6 +99,18 @@
val, timeout, NULL /* Unused. */, \
FUTEX_BITSET_MATCH_ANY)
+#define lll_futex_timed_wait_bitset64(futexp, val, timeout, clockbit, private) \
+ ({ \
+ struct timespec ts; \
+ ts.tv_sec = timeout->tv_sec; \
+ ts.tv_nsec = timeout->tv_nsec; \
+ lll_futex_syscall (6, futexp, \
+ __lll_private_flag (FUTEX_WAIT_BITSET | (clockbit), \
+ private), \
+ val, &ts, NULL /* Unused. */, \
+ FUTEX_BITSET_MATCH_ANY); \
+ })
+
#define lll_futex_wake(futexp, nr, private) \
lll_futex_syscall (4, futexp, \
__lll_private_flag (FUTEX_WAKE, private), nr, 0)