empserver/src/lib/empthread/lwp.c
Markus Armbruster 4515b84c59 COPYING duplicates information from README. Remove. Move GPL from
LICENSE to COPYING, because that's where it usually is.  Update all
the references to these files.
2006-01-21 19:48:41 +00:00

133 lines
2.6 KiB
C

/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---
*
* See files README, COPYING and CREDITS in the root of the source
* tree for related information and legal notices. It is expected
* that future projects/authors will amend these files as needed.
*
* ---
*
* lwp.c: Interface from Empire threads to LWP threads
*
* Known contributors to this file:
* Sasha Mikheev
*/
#include <config.h>
#include <time.h>
#include "empthread.h"
/* The thread `created' by lwpInitSystem() */
static empth_t *empth_main;
/* Flags that were passed to empth_init() */
static int empth_flags;
int
empth_init(void **ctx, int flags)
{
empth_flags = flags;
empth_main = lwpInitSystem(PP_MAIN, (char **)ctx, flags);
return 0;
}
empth_t *
empth_create(int prio, void (*entry)(void *), int size, int flags,
char *name, char *desc, void *ud)
{
if (!flags)
flags = empth_flags;
return lwpCreate(prio, entry, size, flags, name, desc, 0, 0, ud);
}
empth_t *
empth_self(void)
{
return LwpCurrent;
}
void
empth_exit(void)
{
time_t now;
/* We want to leave the main thread around forever, until it's time
for it to die for real (in a shutdown) */
if (LwpCurrent == empth_main) {
while (1) {
time(&now);
lwpSleepUntil(now + 60);
}
}
lwpExit();
}
void
empth_yield(void)
{
lwpYield();
}
void
empth_terminate(empth_t *a)
{
lwpTerminate(a);
}
void
empth_select(int fd, int flags)
{
lwpSleepFd(fd, flags);
}
void
empth_wakeup(empth_t *a)
{
lwpWakeupFd(a);
}
void
empth_sleep(time_t until)
{
lwpSleepUntil(until);
}
empth_sem_t *
empth_sem_create(char *name, int cnt)
{
return lwpCreateSem(name, cnt);
}
void
empth_sem_signal(empth_sem_t *sm)
{
lwpSignal(sm);
}
void
empth_sem_wait(empth_sem_t *sm)
{
lwpWait(sm);
}