X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2Fpthread_kill.c;h=d9a5096a06751781cc3c5d6ac5c923b7cc78d500;hb=3b5e69052a867e9d99cf4c655d775bd06e3437f1;hp=9d85fa5b497fb06afcabf9d1258cc8e446b3dabd;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01;p=musl

diff --git a/src/thread/pthread_kill.c b/src/thread/pthread_kill.c
index 9d85fa5b..d9a5096a 100644
--- a/src/thread/pthread_kill.c
+++ b/src/thread/pthread_kill.c
@@ -1,7 +1,10 @@
-#define SYSCALL_RETURN_ERRNO
 #include "pthread_impl.h"
 
 int pthread_kill(pthread_t t, int sig)
 {
-	return syscall3(__NR_tgkill, t->pid, t->tid, sig);
+	int r;
+	__lock(t->killlock);
+	r = t->dead ? ESRCH : -__syscall(SYS_tgkill, t->pid, t->tid, sig);
+	__unlock(t->killlock);
+	return r;
 }