2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1994-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure
5 * Copyright (C) 1991-3 Stephen Crane
7 * This program 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 2 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, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 * See files README, COPYING and CREDITS in the root of the source
24 * tree for related information and legal notices. It is expected
25 * that future projects/authors will amend these files as needed.
29 * lwpint.h: lwp internal structures
31 * Known contributors to this file:
32 * Markus Armbruster, 2004-2009
44 /* process control block. do *not* change the position of context */
46 ucontext_t context; /* context structure */
47 void *sbtm; /* stack buffer attached to it */
48 int size; /* size of stack buffer */
49 char *ustack; /* lowest usable stack address */
50 int usize; /* size of usable stack */
51 void (*entry)(void *); /* entry point */
52 int dead; /* whether the process can be rescheduled */
53 int pri; /* which scheduling queue we're on */
54 time_t runtime; /* time at which process is restarted */
55 int fd; /* fd we're blocking on */
56 int fd_ready; /* woken up because fd was ready */
57 int argc; /* initial arguments */
59 void *ud; /* user data */
60 char *name; /* process name, for debugging */
71 #define LWP_REDZONE 1024 /* make this a multiple of 1024 */
73 /* XXX Note that this assumes sizeof(int) == 4 */
74 #define LWP_CHECKMARK 0x5a5a5a5a
76 int lwpNewContext(struct lwpProc *);
77 void lwpSwitchContext(struct lwpProc *, struct lwpProc *);
78 void lwpAddTail(struct lwpQueue *, struct lwpProc *);
79 struct lwpProc *lwpGetFirst(struct lwpQueue *);
80 void lwpReady(struct lwpProc *);
81 void lwpReschedule(void);
82 void lwpEntryPoint(void);
83 void lwpInitSelect(struct lwpProc *);
84 void lwpWakeupSleep(void);
85 void lwpSelect(void *);
86 void lwpInitSigWait(sigset_t *);
87 void lwpSigWakeup(void);
88 void lwpStatus(struct lwpProc *, char *, ...)
89 ATTRIBUTE((format (printf, 2, 3)));