add new masked cancellation mode

[musl] / src / thread / pthread_setcancelstate.c

diff --git a/src/thread/pthread_setcancelstate.c b/src/thread/pthread_setcancelstate.c
index a85cc80..822a139 100644 (file)
--- a/src/thread/pthread_setcancelstate.c
+++ b/src/thread/pthread_setcancelstate.c
@@ -1,10 +1,13 @@
 #include "pthread_impl.h"
 
-int pthread_setcancelstate(int new, int *old)
+int __pthread_setcancelstate(int new, int *old)
 {
-       struct pthread *self = pthread_self();
-       if (old) *old = self->canceldisable & 1;
-       if ((unsigned)new > 1) return EINVAL;
-       self->canceldisable = (self->canceldisable & ~1) | new;
+       if (new > 2U) return EINVAL;
+       if (!libc.has_thread_pointer) return ENOSYS;
+       struct pthread *self = __pthread_self();
+       if (old) *old = self->canceldisable;
+       self->canceldisable = new;
        return 0;
 }
+
+weak_alias(__pthread_setcancelstate, pthread_setcancelstate);