like close, pthread_join is a resource-deallocation function which is
also a cancellation point. the intent of masked cancellation mode is
to exempt such functions from failure with ECANCELED.
int __munmap(void *, size_t);
void __pthread_testcancel(void);
int __munmap(void *, size_t);
void __pthread_testcancel(void);
+int __pthread_setcancelstate(int, int *);
int __pthread_join(pthread_t t, void **res)
{
int __pthread_join(pthread_t t, void **res)
{
+ __pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
+ if (cs == PTHREAD_CANCEL_ENABLE) __pthread_setcancelstate(cs, 0);
while ((tmp = t->tid)) __timedwait_cp(&t->tid, tmp, 0, 0, 0);
while ((tmp = t->tid)) __timedwait_cp(&t->tid, tmp, 0, 0, 0);
+ __pthread_setcancelstate(cs, 0);
if (res) *res = t->result;
if (t->map_base) __munmap(t->map_base, t->map_size);
return 0;
if (res) *res = t->result;
if (t->map_base) __munmap(t->map_base, t->map_size);
return 0;