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9ddaf3bf1c
Add utility functions to parse a u16 and put a u16 on a
netlink message
Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Acked-by: Daniel Lezcano <daniel.lezcano@free.fr>
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/*
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* lxc: linux Container library
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*
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* (C) Copyright IBM Corp. 2007, 2008
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*
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* Authors:
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* Daniel Lezcano <dlezcano at fr.ibm.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _utils_h
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#define _utils_h
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#define LXC_TTY_HANDLER(s) \
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static struct sigaction lxc_tty_sa_##s; \
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static void tty_##s##_handler(int sig, siginfo_t *info, void *ctx) \
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{ \
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if (lxc_tty_sa_##s.sa_handler == SIG_DFL || \
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lxc_tty_sa_##s.sa_handler == SIG_IGN) \
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return; \
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(*lxc_tty_sa_##s.sa_sigaction)(sig, info, ctx); \
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}
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#define LXC_TTY_ADD_HANDLER(s) \
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do { \
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struct sigaction sa; \
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sa.sa_sigaction = tty_##s##_handler; \
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sa.sa_flags = SA_SIGINFO; \
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sigfillset(&sa.sa_mask); \
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/* No error expected with sigaction. */ \
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sigaction(s, &sa, &lxc_tty_sa_##s); \
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} while (0)
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#define LXC_TTY_DEL_HANDLER(s) \
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do { \
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sigaction(s, &lxc_tty_sa_##s, NULL); \
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} while (0)
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#endif
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extern int lxc_copy_file(const char *src, const char *dst);
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extern int lxc_close_inherited_fd(int fd);
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extern int lxc_close_all_inherited_fd(void);
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extern int lxc_setup_fs(void);
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extern int get_u16(ushort *val, const char *arg, int base);
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