improve pthread_exit synchronization with functions targeting tid

[musl] / src / thread / pthread_kill.c

diff --git a/src/thread/pthread_kill.c b/src/thread/pthread_kill.c
index 0a13923..6d70e62 100644 (file)
--- a/src/thread/pthread_kill.c
+++ b/src/thread/pthread_kill.c
@@ -4,8 +4,8 @@ int pthread_kill(pthread_t t, int sig)
 {
        int r;
        LOCK(t->killlock);
-       r = t->dead ? (sig+0U >= _NSIG ? EINVAL : 0)
-               : -__syscall(SYS_tkill, t->tid, sig);
+       r = t->tid ? -__syscall(SYS_tkill, t->tid, sig)
+               : (sig+0U >= _NSIG ? EINVAL : 0);
        UNLOCK(t->killlock);
        return r;
 }