void *__mmap(void *, size_t, int, int, int, off_t);
int __munmap(void *, size_t);
int __mprotect(void *, size_t, int);
-void __vm_lock_impl(int);
-void __vm_unlock_impl(void);
static void dummy_0()
{
weak_alias(dummy_0, __release_ptc);
weak_alias(dummy_0, __pthread_tsd_run_dtors);
weak_alias(dummy_0, __do_orphaned_stdio_locks);
+weak_alias(dummy_0, __dl_thread_cleanup);
_Noreturn void __pthread_exit(void *result)
{
exit(0);
}
- if (self->locale != &libc.global_locale) {
- a_dec(&libc.uselocale_cnt);
- if (self->locale->ctype_utf8)
- a_dec(&libc.bytelocale_cnt_minus_1);
- }
-
/* Process robust list in userspace to handle non-pshared mutexes
* and the detached thread case where the robust list head will
* be invalid when the kernel would process it. */
- __vm_lock_impl(+1);
+ __vm_lock();
volatile void *volatile *rp;
while ((rp=self->robust_list.head) && rp != &self->robust_list.head) {
pthread_mutex_t *m = (void *)((char *)rp
if (cont < 0 || waiters)
__wake(&m->_m_lock, 1, priv);
}
- __vm_unlock_impl();
+ __vm_unlock();
__do_orphaned_stdio_locks();
+ __dl_thread_cleanup();
if (self->detached && self->map_base) {
/* Detached threads must avoid the kernel clear_child_tid
if (self->robust_list.off)
__syscall(SYS_set_robust_list, 0, 3*sizeof(long));
+ /* Since __unmapself bypasses the normal munmap code path,
+ * explicitly wait for vmlock holders first. */
+ __vm_wait();
+
/* The following call unmaps the thread's stack mapping
* and then exits without touching the stack. */
__unmapself(self->map_base, self->map_size);
void __do_cleanup_push(struct __ptcb *cb)
{
- if (!libc.has_thread_pointer) return;
struct pthread *self = __pthread_self();
cb->__next = self->cancelbuf;
self->cancelbuf = cb;
void __do_cleanup_pop(struct __ptcb *cb)
{
- if (!libc.has_thread_pointer) return;
__pthread_self()->cancelbuf = cb->__next;
}
if (!libc.can_do_threads) return ENOSYS;
self = __pthread_self();
if (!libc.threaded) {
- for (FILE *f=libc.ofl_head; f; f=f->next)
+ for (FILE *f=*__ofl_lock(); f; f=f->next)
init_file_lock(f);
+ __ofl_unlock();
init_file_lock(__stdin_used);
init_file_lock(__stdout_used);
init_file_lock(__stderr_used);
}
new->robust_list.head = &new->robust_list.head;
new->unblock_cancel = self->cancel;
- new->canary = self->canary;
+ new->CANARY = self->CANARY;
a_inc(&libc.threads_minus_1);
ret = __clone((c11 ? start_c11 : start), stack, flags, new, &new->tid, TP_ADJ(new), &new->tid);