/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1994-2007, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1994-2011, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure, Markus Armbruster
* Copyright (C) 1991-3 Stephen Crane
*
- * This program is free software; you can redistribute it and/or modify
+ * Empire 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
+ * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* 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
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ---
*
* ---
*
* arch.c: architecture-dependant process context code
- *
+ *
* Known contributors to this file:
* Dave Pare, 1994
* Steve McClure, 1994-2000
- * Markus Armbruster, 2004-2007
+ * Markus Armbruster, 2004-2008
*/
#include <config.h>
#include <stdlib.h>
-#include "lwp.h"
#include "lwpint.h"
/*
*/
int
-lwpNewContext(struct lwpProc *newp, int stacksz)
+lwpNewContext(struct lwpProc *newp)
{
- char *s;
- int size, redsize;
-
- /* Make size a multiple of sizeof(long) to keep things aligned */
- stacksz = (stacksz + sizeof(long) - 1) & -sizeof(long);
- /* Add a red zone on each side of the stack for LWP_STACKCHECK */
- redsize = newp->flags & LWP_STACKCHECK ? LWP_REDZONE : 0;
- size = stacksz + 2 * redsize;
-
- s = malloc(size);
- if (!s)
+ if (getcontext(&newp->context) < 0)
return -1;
-
- newp->sbtm = s;
- newp->size = size;
- newp->ustack = s + redsize;
- newp->usize = stacksz;
-
- if (getcontext(&newp->context) < 0) {
- free(s);
- return -1;
- }
#ifdef MAKECONTEXT_SP_HIGH
/*
* Known systems that are broken that way: Solaris prior to 10,
* IRIX.
*/
- newp->context.uc_stack.ss_sp = newp->ustack + stacksz - 8;
+ newp->context.uc_stack.ss_sp = newp->ustack + newp->usize - 8;
#else
newp->context.uc_stack.ss_sp = newp->ustack;
#endif