X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2Fpthread_create.c;h=0189f02844f1e7af23f25e273b6ff321fdbceb57;hb=5a2e18093725c3965486641f0ad0b61a44f7ed68;hp=bef25539cbb362474ce44b2b5e16efb25bbf3b68;hpb=407d933052c310ebc5541dae2ecd8c4bd8f55fb9;p=musl diff --git a/src/thread/pthread_create.c b/src/thread/pthread_create.c index bef25539..0189f028 100644 --- a/src/thread/pthread_create.c +++ b/src/thread/pthread_create.c @@ -52,11 +52,13 @@ void __pthread_do_unregister(struct __ptcb *cb) self->cancelbuf = self->cancelbuf->__next; } -static void start(pthread_t self) +static int start(void *p) { + pthread_t self = p; if (self->unblock_cancel) __syscall(SYS_rt_sigprocmask, SIG_UNBLOCK, SIGPT_SET, 0, 8); pthread_exit(self->start(self->start_arg)); + return 0; } #define ROUND(x) (((x)+PAGE_SIZE-1)&-PAGE_SIZE) @@ -100,7 +102,7 @@ int pthread_create(pthread_t *res, const pthread_attr_t *attr, void *(*entry)(vo } size += __pthread_tsd_size; map = mmap(0, size, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANON, -1, 0); - if (!map) return EAGAIN; + if (map == MAP_FAILED) return EAGAIN; if (guard) mprotect(map, guard, PROT_NONE); tsd = map + size - __pthread_tsd_size; @@ -115,14 +117,12 @@ int pthread_create(pthread_t *res, const pthread_attr_t *attr, void *(*entry)(vo new->tsd = (void *)tsd; if (attr) new->detached = attr->_a_detach; new->unblock_cancel = self->cancel; - memcpy(new->tlsdesc, self->tlsdesc, sizeof new->tlsdesc); - new->tlsdesc[1] = (uintptr_t)new; - stack = (void *)((uintptr_t)new-1 & ~(uintptr_t)15); + stack = (void *)new; __synccall_lock(); a_inc(&libc.threads_minus_1); - ret = __uniclone(stack, start, new); + ret = __clone(start, stack, 0x7d8f00, new, &new->tid, new, &new->tid); __synccall_unlock();