In case of error, errno should be set to a positive value. Yeah, I know,

it's sick.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@18534 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/libroot/posix/signal/signal.c

@@ -27,7 +27,7 @@ signal(int sig, sig_func_t signalHandler)
 	// the current thread (the original is copied into the last param)
 	err = sigaction(sig, &newAction, &oldAction);
 	if (err < B_OK) {
-		errno = err;
+		errno = 1;
 		return SIG_ERR;
 	}