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#ifndef TARANTOOL_SYSTEMD_H_INCLUDED
#define TARANTOOL_SYSTEMD_H_INCLUDED
/*
* Copyright 2010-2017, Tarantool AUTHORS, please see AUTHORS file.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* <COPYRIGHT HOLDER> OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <stdarg.h>
#include "trivia/config.h"
#if defined(__cplusplus)
extern "C" {
#endif /* defined(__cplusplus) */
#if defined(WITH_NOTIFY_SOCKET)
/**
* Open connection with systemd daemon (using unix socket located in
* "NOTIFY_SOCKET" environmnent variable)
*
* \return 1 on non-systemd plaformts
* \return -1 on errors
* \return 0 on sucess
*/
int
systemd_init(void);
/**
* Close connection with systemd daemon
*/
void
systemd_free(void);
/**
* Send message to systemd
*
* \param message message to send to systemd
*
* \return 0 on non-systemd platforms
* \return -1 on errors (more information in errno)
* \return >0 on ok
*/
int
systemd_notify(const char *message);
/**
* send message and format it using va_list
*
* \param format format string
* \param ap arguments for formatting
*
* \return 0 on non-systemd platforms
* \return -1 on errors (more information in errno)
* \return >0 on ok
*/
int
systemd_vsnotify(const char *format, va_list ap);
/**
* Send message and format it using varargs
*
* \param format format string
* \param ... arguments for formatting
*
* \return 0 on non-systemd platforms
* \return -1 on errors (more information in errno)
* \return >0 on ok
*/
int
systemd_snotify(const char *format, ...);
#else /* !defined(WITH_NOTIFY_SOCKET) */
# define systemd_init()
# define systemd_free()
# define systemd_notify(...)
# define systemd_vsnotify(...)
# define systemd_snotify(...)
#endif /* WITH_NOTIFY_SOCKET */
#if defined(__cplusplus)
} /* extern "C" */
#endif /* defined(__cplusplus) */
#endif /* TARANTOOL_SYSTEMD_H_INCLUDED */
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