You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
1.7 KiB
76 lines
1.7 KiB
/*
|
|
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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
xrdp: A Remote Desktop Protocol server.
|
|
Copyright (C) Jay Sorg 2005-2010
|
|
*/
|
|
|
|
#ifndef LIBSCP_LOCK_H
|
|
#define LIBSCP_LOCK_H
|
|
|
|
#include "libscp_types.h"
|
|
|
|
#define LIBSCP_LOCK_FORK_BLOCKER 1
|
|
#define LIBSCP_LOCK_FORK_WAITING 0
|
|
|
|
/**
|
|
*
|
|
* @brief initializes all the locks
|
|
*
|
|
*/
|
|
void DEFAULT_CC
|
|
scp_lock_init(void);
|
|
|
|
/**
|
|
*
|
|
* @brief requires to fork a new child process
|
|
*
|
|
*/
|
|
void DEFAULT_CC
|
|
scp_lock_fork_request(void);
|
|
|
|
/**
|
|
*
|
|
* @brief releases a fork() request
|
|
*
|
|
*/
|
|
void DEFAULT_CC
|
|
scp_lock_fork_release(void);
|
|
|
|
/**
|
|
*
|
|
* @brief starts a section that is critical for forking
|
|
*
|
|
* starts a section that is critical for forking, that is noone can fork()
|
|
* while i'm in a critical section. But if someone wanted to fork we have
|
|
* to wait until he finishes with lock_fork_release()
|
|
*
|
|
* @return
|
|
*
|
|
*/
|
|
int DEFAULT_CC
|
|
scp_lock_fork_critical_section_start(void);
|
|
|
|
/**
|
|
*
|
|
* @brief closes the critical section
|
|
*
|
|
*/
|
|
void DEFAULT_CC
|
|
scp_lock_fork_critical_section_end(int blocking);
|
|
|
|
#endif
|
|
|