From 01c165cd1b2ac601d5ae73d3cb5e82ccdd94ac94 Mon Sep 17 00:00:00 2001 From: Le Chi Thu Date: Tue, 3 Apr 2012 01:23:00 +0200 Subject: Initial commit --- ltp_framework/include/forker.h | 63 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 ltp_framework/include/forker.h (limited to 'ltp_framework/include/forker.h') diff --git a/ltp_framework/include/forker.h b/ltp_framework/include/forker.h new file mode 100644 index 0000000..dfad625 --- /dev/null +++ b/ltp_framework/include/forker.h @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * + * Further, this software is distributed without any warranty that it is + * free of the rightful claim of any third person regarding infringement + * or the like. Any license provided herein, whether implied or + * otherwise, applies only to this software file. Patent licenses, if + * any, provided herein do not apply to combinations of this program with + * other software, or any other product whatsoever. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, + * Mountain View, CA 94043, or: + * + * http://www.sgi.com + * + * For further information regarding this notice, see: + * + * http://oss.sgi.com/projects/GenInfo/NoticeExplan/ + */ +#ifndef _FORKER_H_ +#define _FORKER_H_ + +#define FORKER_MAX_PIDS 4098 + +extern int Forker_pids[FORKER_MAX_PIDS]; /* holds pids of forked processes */ +extern int Forker_npids; /* number of entries in Forker_pids */ + +/* + * This function will fork and the parent will exit zero and + * the child will return. This will orphan the returning process + * putting it in the background. + */ +int background( char * ); + +/* + * Forker will fork ncopies-1 copies of self. + * + * arg 1: Number of copies of the process to be running after return. + * This value minus one is the number of forks performed. + * arg 2: mode: 0 - all children are first generation descendents. + * 1 - each subsequent child is a descendent of another + * descendent, resulting in only one direct descendent of the + * parent and each other child is a child of another child in + * relation to the parent. + * arg 3: prefix: string to preceed any error messages. A value of NULL + * results in no error messages on failure. + * returns: returns to parent the number of children forked. + */ +int forker( int , int , char * ); + +#endif /* _FORKER_H_ */ -- cgit v1.2.3