#include "pthread_impl.h"

#ifdef __pthread_register_cancel
#undef __pthread_register_cancel
#undef __pthread_unregister_cancel
#undef __pthread_unwind_next
#define __pthread_register_cancel __pthread_register_cancel_3
#define __pthread_unregister_cancel __pthread_unregister_cancel_3
#define __pthread_unwind_next __pthread_unwind_next_3
#endif

static void dummy(struct __ptcb *cb)
{
}
weak_alias(dummy, __pthread_do_unwind);

void __pthread_unwind_next(struct __ptcb *cb)
{
	__pthread_do_unwind(cb);
}

void __pthread_register_cancel(struct __ptcb *cb)
{
	struct pthread *self = pthread_self();
	cb->__next = self->cancelbuf;
	self->cancelbuf = cb;
}

void __pthread_unregister_cancel(struct __ptcb *cb)
{
	struct pthread *self = __pthread_self();
	self->cancelbuf = self->cancelbuf->__next;
}