fix pthread_cleanup_pop(1) crash in non-thread-capable, static-linked programs

[musl] / src / thread / cancellation.c

diff --git a/src/thread/cancellation.c b/src/thread/cancellation.c
index 23d23d1..ab7eebc 100644 (file)
--- a/src/thread/cancellation.c
+++ b/src/thread/cancellation.c
@@ -5,6 +5,8 @@ void __do_cleanup_pop();
 
 void _pthread_cleanup_push(struct __ptcb *cb, void (*f)(void *), void *x)
 {
+       cb->__f = f;
+       cb->__x = x;
        __do_cleanup_push(cb, f, x);
 }