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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2020-05-26 00:09:11 +0000 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2020-05-26 00:46:07 +0000 |
| commit | 28cada041811fe49c8da1eb7ffdbc949719f9009 (patch) | |
| tree | 8b90e7057ebc557a755e0ceb665e037c6fbb58a6 | |
| parent | 02802fafcf6e11ea3f998f685035ffe568dfddeb (diff) | |
| download | glibc-28cada041811fe49c8da1eb7ffdbc949719f9009.tar.xz glibc-28cada041811fe49c8da1eb7ffdbc949719f9009.zip | |
htl: Add clock variants
* htl/pt-join.c (__pthread_join): Move implementation to...
(__pthread_join_common): ... new function. Add try, timed and clock support.
(__pthread_join): Reimplement on top of __pthread_join_common.
(__pthread_tryjoin_np, __pthread_timedjoin_np, __pthread_clockjoin_np):
Implement on top of __pthread_join_common.
(pthread_tryjoin_np, pthread_timedjoin_np, pthread_clockjoin_np): New
aliases.
* hurd/hurdlock.c (__lll_abstimed_wait, __lll_abstimed_xwait,
__lll_abstimed_lock): Check for supported clock.
* sysdeps/htl/pt-cond-timedwait.c (__pthread_cond_timedwait_internal):
Add clockid parameter and support it.
(__pthread_cond_timedwait): Pass -1 as clockid.
(__pthread_cond_clockwait): New function.
(pthread_cond_clockwait): New alias.
* sysdeps/htl/pt-cond-wait.c (__pthread_cond_timedwait_internal): Update
prototype.
(__pthread_cond_wait): Pass -1 as clockid.
* sysdeps/htl/pt-rwlock-timedrdlock.c
(__pthread_rwlock_timedrdlock_internal): Add clockid parameter, and
support id.
(__pthread_rwlock_clockrdlock): New function.
(pthread_rwlock_clockrdlock): New alias.
* sysdeps/htl/pt-rwlock-rdlock.c (__pthread_rwlock_timedrdlock_internal): Update
prototype.
(__pthread_rwlock_rdlock): Pass -1 as clockid.
* sysdeps/htl/pt-rwlock-timedwrlock.c
(__pthread_rwlock_timedwrlock_internal): Add clockid parameter, and
support id.
(__pthread_rwlock_clockwrlock): New function.
(pthread_rwlock_clockwrlock): New alias.
* sysdeps/htl/pt-rwlock-wrlock.c (__pthread_rwlock_timedwrlock_internal): Update
prototype.
(__pthread_rwlock_wrlock): Pass -1 as clockid.
* sysdeps/mach/hurd/htl/pt-mutex-timedlock.c (__pthread_mutex_timedlock): Move implementation to
(__pthread_mutex_clocklock): New function with additional clockid
parameter and support it.
(pthread_mutex_clocklock): New alias.
(__pthread_mutex_timedlock): Reimplement on top of __pthread_mutex_clocklock.
* sysdeps/htl/pthread.h (pthread_tryjoin_np, pthread_timedjoin_np,
pthread_clockjoin_np, pthread_mutex_clocklock, pthread_cond_clockwait,
pthread_rwlock_clockrdlock, pthread_rwlock_clockwrlock): New prototypes.
* sysdeps/htl/pthreadP.h (__pthread_cond_clockwait): New prototype.
* htl/Versions (GLIBC_2.32): Add pthread_cond_clockwait,
pthread_mutex_clocklock, pthread_rwlock_clockrdlock, pthread_rwlock_clockwrlock,
pthread_tryjoin_np, pthread_timedjoin_np, pthread_clockjoin_np.
* sysdeps/mach/hurd/i386/libpthread.abilist (pthread_clockjoin_np,
pthread_cond_clockwait, pthread_mutex_clocklock, pthread_rwlock_clockrdlock,
pthread_rwlock_clockwrlock, pthread_timedjoin_np, pthread_tryjoin_np):
New functions.
* nptl/tst-abstime.c, nptl/tst-join10.c, nptl/tst-join11.c, nptl/tst-join12.c,
nptl/tst-join13.c, nptl/tst-join14.c, nptl/tst-join2.c, nptl/tst-join3.c,
nptl/tst-join8.c, nptl/tst-join9.c, nptl/tst-mutex-errorcheck.c,
nptl/tst-pthread-mutexattr.c, nptl/tst-mutex11.c, nptl/tst-mutex5.c,
nptl/tst-mutex7.c, nptl/tst-mutex7robus.c, nptl/tst-mutex9.c,
nptl/tst-rwlock12.c, nptl/tst-rwlock14.c: Move to sysdeps/pthread.
* sysdeps/pthread/tst-mutex8.c: Move back to nptl.
* nptl/Makefile (tests): Move tst-mutex5, tst-mutex7, tst-mutex7robust,
tst-mutex9, tst-mutex11, tst-rwlock12, tst-rwlock14, tst-join2, tst-join3,
tst-join8, tst-join9 tst-join10, tst-join11, tst-join12, tst-join13, tst-join14,
tst-abstime, tst-mutex-errorcheck, tst-pthread-mutexattr to ...
* sysdeps/pthread/Makefile (tests): ... here.
| -rw-r--r-- | htl/Versions | 7 | ||||
| -rw-r--r-- | htl/pt-join.c | 62 | ||||
| -rw-r--r-- | hurd/hurdlock.c | 12 | ||||
| -rw-r--r-- | nptl/Makefile | 16 | ||||
| -rw-r--r-- | nptl/tst-mutex8.c (renamed from sysdeps/pthread/tst-mutex8.c) | 0 | ||||
| -rw-r--r-- | sysdeps/htl/pt-cond-timedwait.c | 24 | ||||
| -rw-r--r-- | sysdeps/htl/pt-cond-wait.c | 3 | ||||
| -rw-r--r-- | sysdeps/htl/pt-rwlock-rdlock.c | 3 | ||||
| -rw-r--r-- | sysdeps/htl/pt-rwlock-timedrdlock.c | 19 | ||||
| -rw-r--r-- | sysdeps/htl/pt-rwlock-timedwrlock.c | 19 | ||||
| -rw-r--r-- | sysdeps/htl/pt-rwlock-wrlock.c | 3 | ||||
| -rw-r--r-- | sysdeps/htl/pthread.h | 62 | ||||
| -rw-r--r-- | sysdeps/htl/pthreadP.h | 5 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/htl/pt-mutex-timedlock.c | 20 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/i386/libpthread.abilist | 7 | ||||
| -rw-r--r-- | sysdeps/pthread/Makefile | 14 | ||||
| -rw-r--r-- | sysdeps/pthread/tst-abstime.c (renamed from nptl/tst-abstime.c) | 0 | ||||
| -rw-r--r-- | sysdeps/pthread/tst-join10.c (renamed from nptl/tst-join10.c) | 0 | ||||
| -rw-r--r-- | sysdeps/pthread/tst-join11.c (renamed from nptl/tst-join11.c) | 0 | ||||
| -rw-r--r-- | sysdeps/pthread/tst-join12.c (renamed from nptl/tst-join12.c) | 0 | ||||
| -rw-r--r-- | sysdeps/pthread/tst-join13.c (renamed from nptl/tst-join13.c) | 0 | ||||
| -rw-r--r-- | sysdeps/pthread/tst-join14.c (renamed from nptl/tst-join14.c) | 0 | ||||
| -rw-r--r-- | sysdeps/pthread/tst-join2.c (renamed from nptl/tst-join2.c) | 0 | ||||
| -rw-r--r-- | sysdeps/pthread/tst-join3.c (renamed from nptl/tst-join3.c) | 0 | ||||
| -rw-r--r-- | sysdeps/pthread/tst-join8.c (renamed from nptl/tst-join8.c) | 0 | ||||
| -rw-r--r-- | sysdeps/pthread/tst-join9.c (renamed from nptl/tst-join9.c) | 0 | ||||
| -rw-r--r-- | sysdeps/pthread/tst-mutex-errorcheck.c (renamed from nptl/tst-mutex-errorcheck.c) | 0 | ||||
| -rw-r--r-- | sysdeps/pthread/tst-mutex11.c (renamed from nptl/tst-mutex11.c) | 0 | ||||
| -rw-r--r-- | sysdeps/pthread/tst-mutex5.c (renamed from nptl/tst-mutex5.c) | 0 | ||||
| -rw-r--r-- | sysdeps/pthread/tst-mutex7.c (renamed from nptl/tst-mutex7.c) | 0 | ||||
| -rw-r--r-- | sysdeps/pthread/tst-mutex7robust.c (renamed from nptl/tst-mutex7robust.c) | 0 | ||||
| -rw-r--r-- | sysdeps/pthread/tst-mutex9.c (renamed from nptl/tst-mutex9.c) | 0 | ||||
| -rw-r--r-- | sysdeps/pthread/tst-pthread-mutexattr.c (renamed from nptl/tst-pthread-mutexattr.c) | 0 | ||||
| -rw-r--r-- | sysdeps/pthread/tst-rwlock12.c (renamed from nptl/tst-rwlock12.c) | 0 | ||||
| -rw-r--r-- | sysdeps/pthread/tst-rwlock14.c (renamed from nptl/tst-rwlock14.c) | 0 |
35 files changed, 236 insertions, 40 deletions
diff --git a/htl/Versions b/htl/Versions index a0962e6a42..5fa9ef637c 100644 --- a/htl/Versions +++ b/htl/Versions @@ -151,10 +151,17 @@ libpthread { cnd_broadcast; cnd_destroy; cnd_init; cnd_signal; cnd_timedwait; cnd_wait; tss_create; tss_delete; tss_get; tss_set; + pthread_cond_clockwait; + pthread_mutexattr_getrobust; pthread_mutexattr_getrobust_np; pthread_mutexattr_setrobust; pthread_mutexattr_setrobust_np; pthread_mutex_consistent; pthread_mutex_consistent_np; + pthread_mutex_clocklock; + + pthread_rwlock_clockrdlock; pthread_rwlock_clockwrlock; + + pthread_tryjoin_np; pthread_timedjoin_np; pthread_clockjoin_np; } GLIBC_PRIVATE { diff --git a/htl/pt-join.c b/htl/pt-join.c index 0473511be9..f3d17dbc65 100644 --- a/htl/pt-join.c +++ b/htl/pt-join.c @@ -24,8 +24,10 @@ /* Make calling thread wait for termination of thread THREAD. Return the exit status of the thread in *STATUS. */ -int -__pthread_join (pthread_t thread, void **status) +static int +__pthread_join_common (pthread_t thread, void **status, int try, + clockid_t clockid, + const struct timespec *abstime) { struct __pthread *pthread; int err = 0; @@ -39,18 +41,30 @@ __pthread_join (pthread_t thread, void **status) return EDEADLK; __pthread_mutex_lock (&pthread->state_lock); - pthread_cleanup_push ((void (*)(void *)) __pthread_mutex_unlock, - &pthread->state_lock); - /* Rely on pthread_cond_wait being a cancellation point to make - pthread_join one too. */ - while (pthread->state == PTHREAD_JOINABLE) - __pthread_cond_wait (&pthread->state_cond, &pthread->state_lock); + if (try == 0) + { + pthread_cleanup_push ((void (*)(void *)) __pthread_mutex_unlock, + &pthread->state_lock); - pthread_cleanup_pop (0); + /* Rely on pthread_cond_wait being a cancellation point to make + pthread_join one too. */ + while (pthread->state == PTHREAD_JOINABLE && err != ETIMEDOUT) + err = __pthread_cond_clockwait (&pthread->state_cond, + &pthread->state_lock, + clockid, abstime); + + pthread_cleanup_pop (0); + } switch (pthread->state) { + case PTHREAD_JOINABLE: + __pthread_mutex_unlock (&pthread->state_lock); + if (err != ETIMEDOUT) + err = EBUSY; + break; + case PTHREAD_EXITED: /* THREAD has already exited. Salvage its exit status. */ if (status != NULL) @@ -76,4 +90,34 @@ __pthread_join (pthread_t thread, void **status) return err; } + +int +__pthread_join (pthread_t thread, void **status) +{ + return __pthread_join_common (thread, status, 0, CLOCK_REALTIME, NULL); +} weak_alias (__pthread_join, pthread_join); + +int +__pthread_tryjoin_np (pthread_t thread, void **status) +{ + return __pthread_join_common (thread, status, 1, CLOCK_REALTIME, NULL); +} +weak_alias (__pthread_tryjoin_np, pthread_tryjoin_np); + +int +__pthread_timedjoin_np (pthread_t thread, void **status, + const struct timespec *abstime) +{ + return __pthread_join_common (thread, status, 0, CLOCK_REALTIME, abstime); +} +weak_alias (__pthread_timedjoin_np, pthread_timedjoin_np); + +int +__pthread_clockjoin_np (pthread_t thread, void **status, + clockid_t clockid, + const struct timespec *abstime) +{ + return __pthread_join_common (thread, status, 0, clockid, abstime); +} +weak_alias (__pthread_clockjoin_np, pthread_clockjoin_np); diff --git a/hurd/hurdlock.c b/hurd/hurdlock.c index 50da0a2121..59d017fc02 100644 --- a/hurd/hurdlock.c +++ b/hurd/hurdlock.c @@ -47,6 +47,9 @@ int __lll_abstimed_wait (void *ptr, int val, const struct timespec *tsp, int flags, int clk) { + if (clk != CLOCK_REALTIME) + return EINVAL; + int mlsec = compute_reltime (tsp, clk); return mlsec < 0 ? KERN_TIMEDOUT : lll_timed_wait (ptr, val, mlsec, flags); } @@ -55,6 +58,9 @@ int __lll_abstimed_xwait (void *ptr, int lo, int hi, const struct timespec *tsp, int flags, int clk) { + if (clk != CLOCK_REALTIME) + return EINVAL; + int mlsec = compute_reltime (tsp, clk); return mlsec < 0 ? KERN_TIMEDOUT : lll_timed_xwait (ptr, lo, hi, mlsec, flags); @@ -64,6 +70,9 @@ int __lll_abstimed_lock (void *ptr, const struct timespec *tsp, int flags, int clk) { + if (clk != CLOCK_REALTIME) + return EINVAL; + if (lll_trylock (ptr) == 0) return 0; @@ -147,6 +156,9 @@ __lll_robust_abstimed_lock (void *ptr, int wait_time = 25; unsigned int val; + if (clk != CLOCK_REALTIME) + return EINVAL; + while (1) { val = *iptr; diff --git a/nptl/Makefile b/nptl/Makefile index 587b241367..0d07d6cccb 100644 --- a/nptl/Makefile +++ b/nptl/Makefile @@ -259,8 +259,8 @@ CFLAGS-tst-minstack-throw.o = -std=gnu++11 LDLIBS-tst-minstack-throw = -lstdc++ tests = tst-attr2 tst-attr3 tst-default-attr \ - tst-mutex5 tst-mutex7 tst-mutex9 tst-mutex11 tst-mutex5a tst-mutex7a \ - tst-mutex7robust tst-mutexpi1 tst-mutexpi2 tst-mutexpi3 tst-mutexpi4 \ + tst-mutex5a tst-mutex7a \ + tst-mutexpi1 tst-mutexpi2 tst-mutexpi3 tst-mutexpi4 \ tst-mutexpi5 tst-mutexpi5a tst-mutexpi6 tst-mutexpi7 tst-mutexpi7a \ tst-mutexpi9 \ tst-cond11 tst-cond20 tst-cond21 tst-cond22 tst-cond26 tst-cond27 \ @@ -268,16 +268,13 @@ tests = tst-attr2 tst-attr3 tst-default-attr \ tst-robustpi6 tst-robustpi7 tst-robustpi9 \ tst-rwlock2 tst-rwlock2a tst-rwlock2b tst-rwlock3 \ tst-rwlock6 tst-rwlock7 tst-rwlock8 \ - tst-rwlock9 tst-rwlock10 tst-rwlock11 tst-rwlock12 \ - tst-rwlock14 tst-rwlock15 tst-rwlock17 tst-rwlock18 \ + tst-rwlock9 tst-rwlock10 tst-rwlock11 \ + tst-rwlock15 tst-rwlock17 tst-rwlock18 \ tst-once5 \ tst-sem5 tst-sem17 \ tst-align tst-align3 \ tst-kill1 tst-kill2 tst-kill3 tst-kill4 tst-kill5 tst-kill6 \ tst-raise1 \ - tst-join2 tst-join3 \ - tst-join8 tst-join9 tst-join10 tst-join11 tst-join12 tst-join13 \ - tst-join14 \ tst-detach1 \ tst-eintr2 tst-eintr3 tst-eintr4 tst-eintr5 \ tst-tsd1 tst-tsd2 tst-tsd3 tst-tsd4 tst-tsd5 tst-tsd6 \ @@ -301,7 +298,7 @@ tests = tst-attr2 tst-attr3 tst-default-attr \ tst-exit1 tst-exit2 tst-exit3 \ tst-stdio1 tst-stdio2 \ tst-stack1 tst-stack2 tst-stack3 tst-stack4 \ - tst-pthread-attr-affinity tst-pthread-mutexattr \ + tst-pthread-attr-affinity \ tst-unload \ tst-dlsym1 \ tst-sysconf \ @@ -312,14 +309,13 @@ tests = tst-attr2 tst-attr3 tst-default-attr \ tst-context1 \ tst-sched1 \ tst-backtrace1 \ - tst-abstime \ tst-vfork1 tst-vfork2 tst-vfork1x tst-vfork2x \ tst-getpid3 \ tst-setuid3 \ tst-initializers1 $(addprefix tst-initializers1-,\ c89 gnu89 c99 gnu99 c11 gnu11) \ tst-bad-schedattr \ - tst-thread_local1 tst-mutex-errorcheck \ + tst-thread_local1 \ tst-robust-fork tst-create-detached tst-memstream \ tst-thread-exit-clobber tst-minstack-cancel tst-minstack-exit \ tst-minstack-throw \ diff --git a/sysdeps/pthread/tst-mutex8.c b/nptl/tst-mutex8.c index 8e56ea5a3a..8e56ea5a3a 100644 --- a/sysdeps/pthread/tst-mutex8.c +++ b/nptl/tst-mutex8.c diff --git a/sysdeps/htl/pt-cond-timedwait.c b/sysdeps/htl/pt-cond-timedwait.c index d27f7ba8d6..a0ced9a074 100644 --- a/sysdeps/htl/pt-cond-timedwait.c +++ b/sysdeps/htl/pt-cond-timedwait.c @@ -24,6 +24,7 @@ extern int __pthread_cond_timedwait_internal (pthread_cond_t *cond, pthread_mutex_t *mutex, + clockid_t clockid, const struct timespec *abstime); int @@ -31,11 +32,22 @@ __pthread_cond_timedwait (pthread_cond_t *cond, pthread_mutex_t *mutex, const struct timespec *abstime) { - return __pthread_cond_timedwait_internal (cond, mutex, abstime); + return __pthread_cond_timedwait_internal (cond, mutex, -1, abstime); } weak_alias (__pthread_cond_timedwait, pthread_cond_timedwait); +int +__pthread_cond_clockwait (pthread_cond_t *cond, + pthread_mutex_t *mutex, + clockid_t clockid, + const struct timespec *abstime) +{ + return __pthread_cond_timedwait_internal (cond, mutex, clockid, abstime); +} + +weak_alias (__pthread_cond_clockwait, pthread_cond_clockwait); + struct cancel_ctx { struct __pthread *wakeup; @@ -69,11 +81,17 @@ cancel_hook (void *arg) int __pthread_cond_timedwait_internal (pthread_cond_t *cond, pthread_mutex_t *mutex, + clockid_t clockid, const struct timespec *abstime) { error_t err; int cancelled, oldtype, drain; - clockid_t clock_id = __pthread_default_condattr.__clock; + clockid_t clock_id; + + if (clockid != -1) + clock_id = clockid; + else + clock_id = __pthread_default_condattr.__clock; if (abstime && ! valid_nanoseconds (abstime->tv_nsec)) return EINVAL; @@ -114,7 +132,7 @@ __pthread_cond_timedwait_internal (pthread_cond_t *cond, already unblocked, progressing on the return path. */ __pthread_spin_wait (&cond->__lock); __pthread_enqueue (&cond->__queue, self); - if (cond->__attr != NULL) + if (cond->__attr != NULL && clockid == -1) clock_id = cond->__attr->__clock; __pthread_spin_unlock (&cond->__lock); } diff --git a/sysdeps/htl/pt-cond-wait.c b/sysdeps/htl/pt-cond-wait.c index 2e87db0ca6..00a6922659 100644 --- a/sysdeps/htl/pt-cond-wait.c +++ b/sysdeps/htl/pt-cond-wait.c @@ -23,6 +23,7 @@ /* Implemented in pt-cond-timedwait.c. */ extern int __pthread_cond_timedwait_internal (pthread_cond_t *cond, pthread_mutex_t *mutex, + clockid_t clockid, const struct timespec *abstime); @@ -32,7 +33,7 @@ extern int __pthread_cond_timedwait_internal (pthread_cond_t *cond, int __pthread_cond_wait (pthread_cond_t *cond, pthread_mutex_t *mutex) { - return __pthread_cond_timedwait_internal (cond, mutex, 0); + return __pthread_cond_timedwait_internal (cond, mutex, -1, 0); } weak_alias (__pthread_cond_wait, pthread_cond_wait); diff --git a/sysdeps/htl/pt-rwlock-rdlock.c b/sysdeps/htl/pt-rwlock-rdlock.c index 07aa119cbc..6588f01f80 100644 --- a/sysdeps/htl/pt-rwlock-rdlock.c +++ b/sysdeps/htl/pt-rwlock-rdlock.c @@ -22,6 +22,7 @@ /* Implemented in pt-rwlock-timedrdlock.c. */ extern int __pthread_rwlock_timedrdlock_internal (struct __pthread_rwlock *rwlock, + clockid_t clockid, const struct timespec *abstime); @@ -29,6 +30,6 @@ extern int __pthread_rwlock_timedrdlock_internal (struct __pthread_rwlock int __pthread_rwlock_rdlock (struct __pthread_rwlock *rwlock) { - return __pthread_rwlock_timedrdlock_internal (rwlock, 0); + return __pthread_rwlock_timedrdlock_internal (rwlock, -1, 0); } weak_alias (__pthread_rwlock_rdlock, pthread_rwlock_rdlock); diff --git a/sysdeps/htl/pt-rwlock-timedrdlock.c b/sysdeps/htl/pt-rwlock-timedrdlock.c index c2827662fd..7019085489 100644 --- a/sysdeps/htl/pt-rwlock-timedrdlock.c +++ b/sysdeps/htl/pt-rwlock-timedrdlock.c @@ -27,6 +27,7 @@ wait forever. */ int __pthread_rwlock_timedrdlock_internal (struct __pthread_rwlock *rwlock, + clockid_t clockid, const struct timespec *abstime) { error_t err; @@ -62,7 +63,10 @@ __pthread_rwlock_timedrdlock_internal (struct __pthread_rwlock *rwlock, assert (rwlock->__readers == 0); if (abstime != NULL && ! valid_nanoseconds (abstime->tv_nsec)) - return EINVAL; + { + __pthread_spin_unlock (&rwlock->__lock); + return EINVAL; + } self = _pthread_self (); @@ -72,7 +76,7 @@ __pthread_rwlock_timedrdlock_internal (struct __pthread_rwlock *rwlock, /* Block the thread. */ if (abstime != NULL) - err = __pthread_timedblock (self, abstime, CLOCK_REALTIME); + err = __pthread_timedblock (self, abstime, clockid); else { err = 0; @@ -116,6 +120,15 @@ int __pthread_rwlock_timedrdlock (struct __pthread_rwlock *rwlock, const struct timespec *abstime) { - return __pthread_rwlock_timedrdlock_internal (rwlock, abstime); + return __pthread_rwl |
