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cmd/xfs/dump/common/cldmgr.h 1.4 Renamed to cmd/xfsdump/common/cldmgr.h

/*
 * 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/SGIGPLNoticeExplan/
 */
#ifndef CLDMGR_H
#define CLDMGR_H

/* cldmgr.[hc] - manages all child threads
 */

/* cldmgr_init - initializes child management
 * returns FALSE if trouble encountered.
 */
extern bool_t cldmgr_init( void );

/* cldmgr_create - creates a child thread. returns FALSE if trouble
 * encountered
 */
extern bool_t cldmgr_create( int ( * entry )( void *arg1 ),
			     u_intgen_t inh,
			     ix_t streamix,
			     char *descstr,
			     void *arg1 );

/* cldmgr_stop - asks all children to gracefully terminate, at the next
 * convenient point in their normal processing loop.
 */
extern void cldmgr_stop( void );

/* cldmgr_killall - kills all children
 */
extern void cldmgr_killall( void );

/* cldmgr_died - tells the child manager that the child died
 */
extern void cldmgr_died( pid_t pid );

/* cldmgr_stop_requested - returns TRUE if the child should gracefully
 * terminate.
 */
extern bool_t cldmgr_stop_requested( void );

/* cldmgr_pid2streamix - retrieves the stream index. returns -1 if
 * not associated with any stream.
 */
extern intgen_t cldmgr_pid2streamix( pid_t pid );

/* cldmgr_remainingcnt - returns number of children remaining
 */
extern size_t cldmgr_remainingcnt( void );

/* checks if any children serving any other streams are still alive
 */
extern bool_t cldmgr_otherstreamsremain( ix_t streamix );

#endif /* CLDMGR_H */