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author | Mike Crowe <mac@mcrowe.com> | 2019-06-24 13:08:25 +0000 |
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committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2019-07-12 13:36:25 +0000 |
commit | 59213094c84ec723efd2775a2ce8e4678e77f453 (patch) | |
tree | 125e1fa70f04425f24178d5e9b93d7c8e79019f0 /sysdeps/sparc | |
parent | e996fa72a9bad0be72c6d3d99d9faba5efddf44f (diff) | |
download | glibc-59213094c84ec723efd2775a2ce8e4678e77f453.zip glibc-59213094c84ec723efd2775a2ce8e4678e77f453.tar.gz glibc-59213094c84ec723efd2775a2ce8e4678e77f453.tar.bz2 |
nptl: Rename lll_timedlock to lll_clocklock and add clockid parameter
Rename lll_timedlock to lll_clocklock and add clockid
parameter to indicate the clock that the abstime parameter should
be measured against in preparation for adding
pthread_mutex_clocklock.
The name change mirrors the naming for the exposed pthread functions:
timed => absolute timeout measured against CLOCK_REALTIME (or clock
specified by attribute in the case of pthread_cond_timedwait.)
clock => absolute timeout measured against clock specified in preceding
parameter.
* sysdeps/nptl/lowlevellock.h (lll_clocklock): Rename from
lll_timedlock and add clockid parameter. (__lll_clocklock): Rename
from __lll_timedlock and add clockid parameter.
* sysdeps/unix/sysv/linux/sparc/lowlevellock.h (lll_clocklock):
Likewise.
* nptl/lll_timedlock_wait.c (__lll_clocklock_wait): Rename from
__lll_timedlock_wait and add clockid parameter. Use __clock_gettime
rather than __gettimeofday so that clockid can be used. This means
that conversion from struct timeval is no longer required.
* sysdeps/sparc/sparc32/lowlevellock.c (lll_clocklock_wait):
Likewise.
* sysdeps/sparc/sparc32/lll_timedlock_wait.c: Update comment to
refer to __lll_clocklock_wait rather than __lll_timedlock_wait.
* nptl/pthread_mutex_timedlock.c (lll_clocklock_elision): Rename
from lll_timedlock_elision, add clockid parameter and use
meaningful names for other parameters. (__pthread_mutex_timedlock):
Pass CLOCK_REALTIME where necessary to lll_clocklock and
lll_clocklock_elision.
* sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
(lll_clocklock_elision): Rename from lll_timedlock_elision and add
clockid parameter. (__lll_clocklock_elision): Rename from
__lll_timedlock_elision and add clockid parameter.
* sysdeps/unix/sysv/linux/s390/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/x86/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-timed.c
(__lll_lock_elision): Call __lll_clocklock_elision rather than
__lll_timedlock_elision. (EXTRAARG): Add clockid parameter.
(LLL_LOCK): Likewise.
* sysdeps/unix/sysv/linux/s390/elision-timed.c: Likewise.
* sysdeps/unix/sysv/linux/x86/elision-timed.c: Likewise.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'sysdeps/sparc')
-rw-r--r-- | sysdeps/sparc/sparc32/lll_timedlock_wait.c | 2 | ||||
-rw-r--r-- | sysdeps/sparc/sparc32/lowlevellock.c | 15 |
2 files changed, 10 insertions, 7 deletions
diff --git a/sysdeps/sparc/sparc32/lll_timedlock_wait.c b/sysdeps/sparc/sparc32/lll_timedlock_wait.c index c2c93fa..bd639a7 100644 --- a/sysdeps/sparc/sparc32/lll_timedlock_wait.c +++ b/sysdeps/sparc/sparc32/lll_timedlock_wait.c @@ -1 +1 @@ -/* __lll_timedlock_wait is in lowlevellock.c. */ +/* __lll_clocklock_wait is in lowlevellock.c. */ diff --git a/sysdeps/sparc/sparc32/lowlevellock.c b/sysdeps/sparc/sparc32/lowlevellock.c index 1a0b7bb..b0c5a6d 100644 --- a/sysdeps/sparc/sparc32/lowlevellock.c +++ b/sysdeps/sparc/sparc32/lowlevellock.c @@ -52,7 +52,8 @@ __lll_lock_wait (int *futex, int private) int -__lll_timedlock_wait (int *futex, const struct timespec *abstime, int private) +__lll_clocklock_wait (int *futex, clockid_t clockid, + const struct timespec *abstime, int private) { /* Reject invalid timeouts. */ if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000) @@ -60,15 +61,17 @@ __lll_timedlock_wait (int *futex, const struct timespec *abstime, int private) do { - struct timeval tv; + struct timespec ts; struct timespec rt; - /* Get the current time. */ - (void) __gettimeofday (&tv, NULL); + /* Get the current time. This can only fail if clockid is not + valid. */ + if (__glibc_unlikely (__clock_gettime (clockid, &ts) != 0)) + return EINVAL; /* Compute relative timeout. */ - rt.tv_sec = abstime->tv_sec - tv.tv_sec; - rt.tv_nsec = abstime->tv_nsec - tv.tv_usec * 1000; + rt.tv_sec = abstime->tv_sec - ts.tv_sec; + rt.tv_nsec = abstime->tv_nsec - ts.tv_nsec; if (rt.tv_nsec < 0) { rt.tv_nsec += 1000000000; |