diff options
| -rw-r--r-- | src/env/__init_tls.c | 3 | ||||
| -rw-r--r-- | src/internal/pthread_impl.h | 1 | ||||
| -rw-r--r-- | src/thread/pthread_create.c | 3 | ||||
| -rw-r--r-- | src/thread/pthread_join.c | 6 |
4 files changed, 8 insertions, 5 deletions
diff --git a/src/env/__init_tls.c b/src/env/__init_tls.c index b125eb1f..80044960 100644 --- a/src/env/__init_tls.c +++ b/src/env/__init_tls.c @@ -15,7 +15,8 @@ int __init_tp(void *p) int r = __set_thread_area(TP_ADJ(p)); if (r < 0) return -1; if (!r) libc.can_do_threads = 1; - td->tid = __syscall(SYS_set_tid_address, &td->tid); + td->join_futex = -1; + td->tid = __syscall(SYS_set_tid_address, &td->join_futex); td->locale = &libc.global_locale; td->robust_list.head = &td->robust_list.head; return 0; diff --git a/src/internal/pthread_impl.h b/src/internal/pthread_impl.h index f6a4f2c2..f2805b89 100644 --- a/src/internal/pthread_impl.h +++ b/src/internal/pthread_impl.h @@ -43,6 +43,7 @@ struct pthread { int unblock_cancel; volatile int timer_id; locale_t locale; + volatile int join_futex; volatile int killlock[1]; volatile int exitlock[1]; volatile int startlock[2]; diff --git a/src/thread/pthread_create.c b/src/thread/pthread_create.c index 439ee363..ac06d7a7 100644 --- a/src/thread/pthread_create.c +++ b/src/thread/pthread_create.c @@ -282,9 +282,10 @@ int __pthread_create(pthread_t *restrict res, const pthread_attr_t *restrict att new->robust_list.head = &new->robust_list.head; new->unblock_cancel = self->cancel; new->CANARY = self->CANARY; + new->join_futex = -1; a_inc(&libc.threads_minus_1); - ret = __clone((c11 ? start_c11 : start), stack, flags, new, &new->tid, TP_ADJ(new), &new->tid); + ret = __clone((c11 ? start_c11 : start), stack, flags, new, &new->tid, TP_ADJ(new), &new->join_futex); __release_ptc(); diff --git a/src/thread/pthread_join.c b/src/thread/pthread_join.c index b7175c09..67eaf9d8 100644 --- a/src/thread/pthread_join.c +++ b/src/thread/pthread_join.c @@ -12,8 +12,8 @@ int __pthread_timedjoin_np(pthread_t t, void **res, const struct timespec *at) __pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs); if (cs == PTHREAD_CANCEL_ENABLE) __pthread_setcancelstate(cs, 0); if (t->detached) a_crash(); - while ((tmp = t->tid) && r != ETIMEDOUT && r != EINVAL) - r = __timedwait_cp(&t->tid, tmp, CLOCK_REALTIME, at, 0); + while ((tmp = t->join_futex) && r != ETIMEDOUT && r != EINVAL) + r = __timedwait_cp(&t->join_futex, tmp, CLOCK_REALTIME, at, 0); __pthread_setcancelstate(cs, 0); if (r == ETIMEDOUT || r == EINVAL) return r; a_barrier(); @@ -29,7 +29,7 @@ int __pthread_join(pthread_t t, void **res) int __pthread_tryjoin_np(pthread_t t, void **res) { - return t->tid ? EBUSY : __pthread_join(t, res); + return t->join_futex ? EBUSY : __pthread_join(t, res); } weak_alias(__pthread_tryjoin_np, pthread_tryjoin_np); |