kill() is supposed to return ESRCH instead of B_BAD_THREAD_ID.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@18527 a95241bf-73f2-0310-859d-f6bbb57e9c96

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

@@ -1,7 +1,7 @@
 /*
-** Copyright 2004, Axel Dörfler, [email protected]. All rights reserved.
-** Distributed under the terms of the Haiku License.
-*/
+ * Copyright 2004-2006, Axel Dörfler, [email protected]. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
 
 
 #include <OS.h>
@@ -15,6 +15,9 @@ kill(pid_t pid, int sig)
 {
 	status_t status = send_signal(pid, (uint)sig);
 	if (status < B_OK) {
+		if (status == B_BAD_THREAD_ID)
+			status = ESRCH;
+
 		errno = status;
 		return -1;
 	}