1 files changed, 36 insertions, 0 deletions
diff --git a/libc/signal/killpg.c b/libc/signal/killpg.c
new file mode 100644
index 000000000..6272a46d3
--- /dev/null
+++ b/libc/signal/killpg.c
@@ -0,0 +1,36 @@
+/* Copyright (C) 1991, 1993, 1996, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <signal.h>
+
+
+/* Send SIG to all processes in process group PGRP.
+   If PGRP is zero, send SIG to all processes in
+   the current process's process group.  */
+int
+killpg ( __pid_t pgrp, int sig)
+{
+  if (pgrp < 0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  return kill (- pgrp, sig);
+}