-/* Copyright (C) 1995,1996,1997,1998,2000,2001, 2003, 2004 Free Software
+/* Copyright (C) 1995,1996,1997,1998,2000,2001, 2003, 2004, 2009, 2010 Free Software
* Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 3 of
+ * the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
*/
\f
-#if HAVE_CONFIG_H
+#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef HAVE_SYSTEM
#ifdef HAVE_WAITPID
-static void
-free_string_pointers (void *data)
-{
- scm_i_free_string_pointers ((char **)data);
-}
SCM_DEFINE (scm_system_star, "system*", 0, 0, 1,
(SCM args),
int pid;
char **execargv;
- scm_frame_begin (0);
-
/* allocate before fork */
execargv = scm_i_allocate_string_pointers (args);
- scm_frame_unwind_handler (free_string_pointers, execargv,
- SCM_F_WIND_EXPLICITLY);
/* make sure the child can't kill us (as per normal system call) */
- sig_ign = scm_from_long ((unsigned long) SIG_IGN);
+ sig_ign = scm_from_ulong ((unsigned long) SIG_IGN);
sigint = scm_from_int (SIGINT);
sigquit = scm_from_int (SIGQUIT);
oldint = scm_sigaction (sigint, sig_ign, SCM_UNDEFINED);
execvp (execargv[0], execargv);
SCM_SYSERROR;
/* not reached. */
- scm_frame_end ();
return SCM_BOOL_F;
}
else
scm_sigaction (sigint, SCM_CAR (oldint), SCM_CDR (oldint));
scm_sigaction (sigquit, SCM_CAR (oldquit), SCM_CDR (oldquit));
- scm_frame_end ();
return scm_from_int (status);
}
}
/* simple exit, without unwinding the scheme stack or flushing ports. */
SCM_DEFINE (scm_primitive_exit, "primitive-exit", 0, 1, 0,
(SCM status),
- "Terminate the current process without unwinding the Scheme stack.\n"
- "This is would typically be useful after a fork. The exit status\n"
- "is @var{status} if supplied, otherwise zero.")
+ "Terminate the current process without unwinding the Scheme\n"
+ "stack. The exit status is @var{status} if supplied, otherwise\n"
+ "zero.")
#define FUNC_NAME s_scm_primitive_exit
{
int cstatus = 0;
}
#undef FUNC_NAME
+SCM_DEFINE (scm_primitive__exit, "primitive-_exit", 0, 1, 0,
+ (SCM status),
+ "Terminate the current process using the _exit() system call and\n"
+ "without unwinding the Scheme stack. The exit status is\n"
+ "@var{status} if supplied, otherwise zero.\n"
+ "\n"
+ "This function is typically useful after a fork, to ensure no\n"
+ "Scheme cleanups or @code{atexit} handlers are run (those\n"
+ "usually belonging in the parent rather than the child).")
+#define FUNC_NAME s_scm_primitive__exit
+{
+ int cstatus = 0;
+ if (!SCM_UNBNDP (status))
+ cstatus = scm_to_int (status);
+ _exit (cstatus);
+}
+#undef FUNC_NAME
+
+
void
scm_init_simpos ()