remove obsolete lxc_utils.h

src/lxc/lxc_utils.h

-/*
- * lxc: linux Container library
- *
- * (C) Copyright IBM Corp. 2007, 2008
- *
- * Authors:
- * Daniel Lezcano <dlezcano at fr.ibm.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#ifndef _utils_h
-#define _utils_h
-
-#define LXC_TTY_HANDLER(s) \
-	static struct sigaction lxc_tty_sa_##s;				\
-	static void tty_##s##_handler(int sig, siginfo_t *info, void *ctx) \
-	{								\
-		if (lxc_tty_sa_##s.sa_handler == SIG_DFL ||		\
-		    lxc_tty_sa_##s.sa_handler == SIG_IGN)		\
-			return;						\
-		(*lxc_tty_sa_##s.sa_sigaction)(sig, info, ctx);	\
-	}
-
-#define LXC_TTY_ADD_HANDLER(s) \
-	do { \
-		struct sigaction sa; \
-		sa.sa_sigaction = tty_##s##_handler; \
-		sa.sa_flags = SA_SIGINFO; \
-		sigfillset(&sa.sa_mask); \
-		/* No error expected with sigaction. */ \
-		sigaction(s, &sa, &lxc_tty_sa_##s); \
-	} while (0)
-
-#define LXC_TTY_DEL_HANDLER(s) \
-	do { \
-		sigaction(s, &lxc_tty_sa_##s, NULL); \
-	} while (0)
-
-#endif