fix static linking dependency bloat with cancellation

[musl] / src / thread / cancellation.c

diff --git a/src/thread/cancellation.c b/src/thread/cancellation.c
index ac1af30..6dfee53 100644 (file)
--- a/src/thread/cancellation.c
+++ b/src/thread/cancellation.c
@@ -1,5 +1,24 @@
 #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();