2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1994-2016, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure, Markus Armbruster
5 * Copyright (C) 1991-3 Stephen Crane
7 * Empire is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 * See files README, COPYING and CREDITS in the root of the source
23 * tree for related information and legal notices. It is expected
24 * that future projects/authors will amend these files as needed.
28 * lwp.h -- prototypes and structures for lightweight processes
30 * Known contributors to this file:
31 * Markus Armbruster, 2004-2013
32 * Ron Koenderink, 2007-2009
36 * author: Stephen Crane, (jsc@doc.ic.ac.uk), Department of Computing,
37 * Imperial College of Science, Technology and Medicine, 180 Queen's
38 * Gate, London SW7 2BZ, England.
47 #define LWP_STACKCHECK 0x1
53 #define LWP_FD_READ 0x1
54 #define LWP_FD_WRITE 0x2
56 #define LWP_MAX_PRIO 8
58 struct lwpProc *lwpInitSystem(int prio, void **ctxp, int flags, sigset_t *);
59 struct lwpProc *lwpCreate(int prio, void (*)(void *), int size,
60 int flags, char *name,
61 int argc, char **argv, void *ud);
63 void lwpTerminate(struct lwpProc *);
65 int lwpSleepFd(int fd, int flags, struct timeval *timeout);
66 int lwpSleepUntil(time_t until);
67 void lwpWakeup(struct lwpProc *);
68 int lwpSigWait(sigset_t *set, int *sig);
69 void *lwpGetUD(struct lwpProc *);
70 void lwpSetUD(struct lwpProc *, char *ud);
71 int lwpSetPriority(int prio);
72 char *lwpName(struct lwpProc *);
73 void lwpSetName(struct lwpProc *, char *name);
75 struct lwp_rwlock *lwp_rwlock_create(char *);
76 void lwp_rwlock_destroy(struct lwp_rwlock *);
77 void lwp_rwlock_wrlock(struct lwp_rwlock *);
78 void lwp_rwlock_rdlock(struct lwp_rwlock *);
79 void lwp_rwlock_unlock(struct lwp_rwlock *);
81 extern struct lwpProc *LwpCurrent;