syscall: add sys_kill

Signed-off-by: Andrey Vagin <avagin@openvz.org>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>

include/syscall-codes.h

@@ -23,6 +23,7 @@
 #define __NR_clone		56
 #define __NR_exit		60
 #define __NR_wait4		61
+#define __NR_kill		62
 #define __NR_flock		73
 #define __NR_unlink		87
 #define __NR_tgkill		131

include/syscall.h

@@ -284,6 +284,11 @@ static void always_inline local_sleep(long seconds)
 	sys_nanosleep(&req, &rem);
 }
 
+static long always_inline sys_kill(long pid, int sig)
+{
+	return syscall2(__NR_kill, pid, (long)sig);
+}
+
 static long always_inline sys_tgkill(long tgid, long pid, int sig)
 {
 	return syscall3(__NR_tgkill, tgid, pid, (long)sig);