X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Ftime%2Ftimer_create.c;h=ee6a9c9d15f057d12ef510201fe01f887fa4468d;hb=7c6c290695cb8726e876ff4fb8413913f661fc0b;hp=6cc2bcf07342d3a2a8b727c0b0da51a506883345;hpb=ccc7b4c3a17ade90de71e1e0f44deebbffd646e6;p=musl diff --git a/src/time/timer_create.c b/src/time/timer_create.c index 6cc2bcf0..ee6a9c9d 100644 --- a/src/time/timer_create.c +++ b/src/time/timer_create.c @@ -19,6 +19,8 @@ static void dummy_1(pthread_t self) } weak_alias(dummy_1, __pthread_tsd_run_dtors); +void __reset_tls(); + static void cleanup_fromsig(void *p) { pthread_t self = __pthread_self(); @@ -28,6 +30,7 @@ static void cleanup_fromsig(void *p) self->canceldisable = 0; self->cancelasync = 0; self->unblock_cancel = 0; + __reset_tls(); longjmp(p, 1); } @@ -60,20 +63,18 @@ static void *start(void *arg) { pthread_t self = __pthread_self(); struct start_args *args = arg; - sigset_t set; + int id; /* Reuse no-longer-needed thread structure fields to avoid * needing the timer address in the signal handler. */ self->start = (void *(*)(void *))args->sev->sigev_notify_function; self->start_arg = args->sev->sigev_value.sival_ptr; - self->result = (void *)-1; - - sigfillset(&set); - pthread_sigmask(SIG_BLOCK, &set, 0); pthread_barrier_wait(&args->b); - __wait(&self->delete_timer, 0, 0, 1); - __syscall(SYS_timer_delete, self->result); + if ((id = self->timer_id) >= 0) { + __wait(&self->timer_id, 0, id, 1); + __syscall(SYS_timer_delete, id); + } return 0; } @@ -86,6 +87,7 @@ int timer_create(clockid_t clk, struct sigevent *restrict evp, timer_t *restrict struct start_args args; struct ksigevent ksev, *ksevp=0; int timerid; + sigset_t set; switch (evp ? evp->sigev_notify : SIGEV_SIGNAL) { case SIGEV_NONE: @@ -99,7 +101,7 @@ int timer_create(clockid_t clk, struct sigevent *restrict evp, timer_t *restrict } if (syscall(SYS_timer_create, clk, ksevp, &timerid) < 0) return -1; - *res = (void *)timerid; + *res = (void *)(intptr_t)timerid; break; case SIGEV_THREAD: pthread_once(&once, install_handler); @@ -110,23 +112,25 @@ int timer_create(clockid_t clk, struct sigevent *restrict evp, timer_t *restrict pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); pthread_barrier_init(&args.b, 0, 2); args.sev = evp; + + __block_app_sigs(&set); r = pthread_create(&td, &attr, start, &args); + __restore_sigs(&set); if (r) { errno = r; return -1; } + ksev.sigev_value.sival_ptr = 0; ksev.sigev_signo = SIGTIMER; ksev.sigev_notify = 4; /* SIGEV_THREAD_ID */ ksev.sigev_tid = td->tid; - r = syscall(SYS_timer_create, clk, &ksev, &timerid); + if (syscall(SYS_timer_create, clk, &ksev, &timerid) < 0) + timerid = -1; + td->timer_id = timerid; pthread_barrier_wait(&args.b); - if (r < 0) { - pthread_cancel(td); - return -1; - } - td->result = (void *)timerid; - *res = td; + if (timerid < 0) return -1; + *res = (void *)(INTPTR_MIN | (uintptr_t)td>>1); break; default: errno = EINVAL;