trap UB from attempts to join a detached thread

[musl] / src / thread / pthread_mutexattr_setrobust.c

diff --git a/src/thread/pthread_mutexattr_setrobust.c b/src/thread/pthread_mutexattr_setrobust.c
index 8948cba..dcfa4cf 100644 (file)
--- a/src/thread/pthread_mutexattr_setrobust.c
+++ b/src/thread/pthread_mutexattr_setrobust.c
@@ -1,26 +1,4 @@
 #include "pthread_impl.h"
-#include <stddef.h>
-
-void __do_private_robust_list()
-{
-       pthread_t self = __pthread_self();
-       void **p, **prev, **next;
-       pthread_mutex_t *m;
-
-       for (prev=0, p=self->robust_list.head; p; p=next) {
-               next = *p;
-               m = (void *)((char *)p - offsetof(pthread_mutex_t, _m_next));
-               if (!(m->_m_type & 128)) {
-                       int waiters = m->_m_waiters;
-                       if (prev) *prev = next;
-                       else self->robust_list.head = next;
-                       int cont = a_swap(&m->_m_lock, self->tid|0x40000000);
-                       if (cont < 0 || waiters) __wake(&m->_m_lock, 1, 1);
-               } else {
-                       prev = p;
-               }
-       }
-}
 
 int pthread_mutexattr_setrobust(pthread_mutexattr_t *a, int robust)
 {