X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2Fpthread_kill.c;h=3d9395cb7e0a0b5797c962e4af2d22d95de93718;hb=c0058ab465e950c2c3302d2b62e21cc0b494224b;hp=a24ecc20576f846dd64a4e7ae707b3d8d5148cc3;hpb=7779dbd2663269b465951189b4f43e70839bc073;p=musl

diff --git a/src/thread/pthread_kill.c b/src/thread/pthread_kill.c
index a24ecc20..3d9395cb 100644
--- a/src/thread/pthread_kill.c
+++ b/src/thread/pthread_kill.c
@@ -1,10 +1,12 @@
 #include "pthread_impl.h"
+#include "lock.h"
 
 int pthread_kill(pthread_t t, int sig)
 {
 	int r;
-	__lock(&t->killlock);
-	r = t->dead ? ESRCH : -__syscall(SYS_tgkill, t->pid, t->tid, sig);
-	a_store(&t->killlock, 0);
+	LOCK(t->killlock);
+	r = t->tid ? -__syscall(SYS_tkill, t->tid, sig)
+		: (sig+0U >= _NSIG ? EINVAL : 0);
+	UNLOCK(t->killlock);
 	return r;
 }