2 * lwp.h -- prototypes and structures for lightweight processes
3 * Copyright (C) 1991-3 Stephen Crane.
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the Free
17 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 * author: Stephen Crane, (jsc@doc.ic.ac.uk), Department of Computing,
20 * Imperial College of Science, Technology and Medicine, 180 Queen's
21 * Gate, London SW7 2BZ, England.
30 #define LWP_STACKCHECK 0x1
36 #define LWP_FD_READ 0x1
37 #define LWP_FD_WRITE 0x2
39 #define LWP_MAX_PRIO 8
41 struct lwpProc *lwpInitSystem(int prio, char **ctxp, int flags, sigset_t *);
42 struct lwpProc *lwpCreate(int prio, void (*)(void *), int size,
43 int flags, char *name, char *desc,
44 int argc, char **argv, void *ud);
46 void lwpTerminate(struct lwpProc * p);
48 void lwpSleepFd(int fd, int flags);
49 void lwpSleepUntil(long until);
50 void lwpWakeupFd(struct lwpProc * p);
51 int lwpSigWait(sigset_t *set, int *sig);
52 void *lwpGetUD(struct lwpProc * p);
53 void lwpSetUD(struct lwpProc * p, char *ud);
54 void lwpSetDesc(struct lwpProc * p, char *name, char *desc);
55 int lwpSetPriority(int prio);
57 struct lwpSem *lwpCreateSem(char *name, int count);
58 void lwpSignal(struct lwpSem *);
59 void lwpWait(struct lwpSem *);
61 extern struct lwpProc *LwpCurrent;