From 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sat, 12 Feb 2011 00:22:29 -0500 Subject: initial check-in, version 0.5.0 --- src/thread/cancellation.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 src/thread/cancellation.c (limited to 'src/thread/cancellation.c') diff --git a/src/thread/cancellation.c b/src/thread/cancellation.c new file mode 100644 index 00000000..e35ba824 --- /dev/null +++ b/src/thread/cancellation.c @@ -0,0 +1,22 @@ +#include "pthread_impl.h" + +void __pthread_register_cancel(struct __ptcb *cb) +{ + struct pthread *self = pthread_self(); + cb->__next = self->cancelbuf; + self->cancelbuf = cb; +} + +#define pthread_self __pthread_self + +void __pthread_unregister_cancel(struct __ptcb *cb) +{ + struct pthread *self = pthread_self(); + self->cancelbuf = self->cancelbuf->__next; +} + +void __pthread_unwind_next(struct __ptcb *cb) +{ + if (cb->__next) longjmp((void *)cb->__next->__jb, 1); + pthread_exit(PTHREAD_CANCELLED); +} -- cgit v1.2.1