nsz Git - musl/blob - src/thread/cancellation.c

   1 #include "pthread_impl.h"
   2
   3 void __pthread_register_cancel(struct __ptcb *cb)
   4 {
   5         struct pthread *self = pthread_self();
   6         cb->__next = self->cancelbuf;
   7         self->cancelbuf = cb;
   8 }
   9
  10 #define pthread_self __pthread_self
  11
  12 void __pthread_unregister_cancel(struct __ptcb *cb)
  13 {
  14         struct pthread *self = pthread_self();
  15         self->cancelbuf = self->cancelbuf->__next;
  16 }
  17
  18 void __pthread_unwind_next(struct __ptcb *cb)
  19 {
  20         if (cb->__next) longjmp((void *)cb->__next->__jb, 1);
  21         pthread_exit(PTHREAD_CANCELLED);
  22 }