docker-mq.c File Reference

This has the contents of creating and using Message Queue. More...

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/msg.h>
#include <fcntl.h>
#include <trace_replay.h>
#include <log.h>
#include <driver/docker-driver.h>

Include dependency graph for docker-mq.c:

Functions
static int	__docker_mq_init (struct docker_info *info)
	Initialize the Message Queue. More...
int	docker_mq_init (struct docker_info *info)
	Wrapping function of __docker_mq_init() More...
int	docker_mq_get (const struct docker_info *info, void *buffer)
	Retrieve the data from Message Queue. More...
void	docker_mq_free (struct docker_info *info, int flags)
	Deallocate the Message Queue resources. More...

Detailed Description

This has the contents of creating and using Message Queue.

Copyright

"Container Tracer" which executes the container performance mesurements Copyright (C) 2020 SuhoSon

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

Author

SuhoSon (ngeol.nosp@m.564@.nosp@m.gmail.nosp@m..com)

Version

0.1

Date

2020-08-19

Function Documentation

__docker_mq_init()

static int __docker_mq_init ( struct docker_info *  info )

static

Initialize the Message Queue.

Parameters

[in]

info

docker_info structure which wants to init.

Returns

Message ID for success to init, negative value for fail to init.

docker_mq_free()

void docker_mq_free	(	struct docker_info *	info,
		int	flags
	)

Deallocate the Message Queue resources.

Parameters

[in]	info	docker_info structure which wants to deallocate.
[in]	flags	Set a range of deallocation.

docker_mq_get()

int docker_mq_get	(	const struct docker_info *	info,
		void *	buffer
	)

Retrieve the data from Message Queue.

Parameters

[in]	info	docker_info structure which wants to get data.
[out]	buffer	Destination of data will be stored

Returns

0 for success to init, negative value for fail to init.

docker_mq_init()

int docker_mq_init

(

struct docker_info *

info

)

Wrapping function of __docker_mq_init()

Parameters

[in]

info

docker_info structure which wants to init.

Returns

0 for success to init, negative value for fail to init.

Here is the call graph for this function: