X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fthread%2Fpthread_create.c;h=6f1bb0e8172b3c8045b4fa0867071c3118dd1e6c;hp=785a82b87477e3afa91c033d7a53d0089b2fecfd;hb=fd80cfa00b34ec81b3049b98c66f6a45301ca6c4;hpb=b470030f839a375e5030ec9d44903ef7581c15a2 diff --git a/src/thread/pthread_create.c b/src/thread/pthread_create.c index 785a82b8..6f1bb0e8 100644 --- a/src/thread/pthread_create.c +++ b/src/thread/pthread_create.c @@ -1,29 +1,26 @@ #include "pthread_impl.h" +static void dummy_1(pthread_t self) +{ +} +weak_alias(dummy_1, __pthread_tsd_run_dtors); + +#ifdef __pthread_unwind_next +#undef __pthread_unwind_next +#define __pthread_unwind_next __pthread_unwind_next_3 +#endif + void __pthread_unwind_next(struct __ptcb *cb) { - int i, j, not_finished; pthread_t self; if (cb->__next) longjmp((void *)cb->__next->__jb, 1); self = pthread_self(); - if (self->cancel) self->result = PTHREAD_CANCELLED; LOCK(&self->exitlock); - not_finished = self->tsd_used; - for (j=0; not_finished && jtsd[i] && libc.tsd_keys[i]) { - void *tmp = self->tsd[i]; - self->tsd[i] = 0; - libc.tsd_keys[i](tmp); - not_finished = 1; - } - } - } + __pthread_tsd_run_dtors(self); /* Mark this thread dead before decrementing count */ self->dead = 1; @@ -42,20 +39,19 @@ void __pthread_unwind_next(struct __ptcb *cb) static void docancel(struct pthread *self) { struct __ptcb cb = { .__next = self->cancelbuf }; - sigset_t set; self->canceldisable = 1; self->cancelasync = 0; - sigemptyset(&set); - sigaddset(&set, SIGCANCEL); - __libc_sigprocmask(SIG_UNBLOCK, &set, 0); __pthread_unwind_next(&cb); } static void cancel_handler(int sig, siginfo_t *si, void *ctx) { struct pthread *self = __pthread_self(); - if (si->si_code > 0 || si->si_pid != self->pid) return; - self->cancel = 1; + if (!self->cancel) { + if (si->si_code == SI_TIMER && libc.sigtimer) + libc.sigtimer(sig, si, ctx); + return; + } if (self->canceldisable) return; if (self->cancelasync || (self->cancelpoint==1 && PC_AT_SYS(ctx))) docancel(self); @@ -171,6 +167,12 @@ static void init_threads() static int start(void *p) { struct pthread *self = p; + if (self->unblock_cancel) { + sigset_t set; + sigemptyset(&set); + sigaddset(&set, SIGCANCEL); + __libc_sigprocmask(SIG_UNBLOCK, &set, 0); + } pthread_exit(self->start(self->start_arg)); return 0; } @@ -215,6 +217,8 @@ int pthread_create(pthread_t *res, const pthread_attr_t *attr, void *(*entry)(vo new->tsd = (void *)tsd; new->detached = attr->_a_detach; new->attr = *attr; + new->unblock_cancel = self->cancel; + new->result = PTHREAD_CANCELED; memcpy(new->tlsdesc, self->tlsdesc, sizeof new->tlsdesc); new->tlsdesc[1] = (uintptr_t)new; stack = (void *)((uintptr_t)new-1 & ~(uintptr_t)15);