tr-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/tr-driver.h>

Include dependency graph for tr-mq.c:

Functions
static int	__tr_mq_init (const pid_t pid)
	Initialize the Message Queue. More...
int	tr_mq_init (struct tr_info *info)
	Wrapping function of __tr_mq_init() More...
int	tr_mq_get (const struct tr_info *info, void *buffer)
	Retrieve the data from Message Queue. More...
void	tr_mq_free (struct tr_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 BlaCkinkGJ

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

BlaCkinkGJ (ss5ki.nosp@m.jun@.nosp@m.gmail.nosp@m..com)

Version

0.1

Date

2020-08-10

Function Documentation

__tr_mq_init()

static int __tr_mq_init ( const pid_t  pid )

static

Initialize the Message Queue.

Parameters

[in]

pid

Process' ID of using this Message Queue.

Returns

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

tr_mq_free()

void tr_mq_free	(	struct tr_info *	info,
		int	flags
	)

Deallocate the Message Queue resources.

Parameters

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

tr_mq_get()

int tr_mq_get	(	const struct tr_info *	info,
		void *	buffer
	)

Retrieve the data from Message Queue.

Parameters

[in]	info	tr_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.

tr_mq_init()

int tr_mq_init

(

struct tr_info *

info

)

Wrapping function of __tr_mq_init()

Parameters

[in]

info

tr_info structure which wants to init.

Returns

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

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