This file is suspend.def, from which is created suspend.c.
It implements the builtin "suspend" in Bash.
-Copyright (C) 1987, 1989, 1991 Free Software Foundation, Inc.
+Copyright (C) 1987-2009 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
-Bash 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 1, or (at your option) any later
-version.
+Bash 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 3 of the License, or
+(at your option) any later version.
-Bash 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.
+Bash 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 Bash; see the file COPYING. If not, write to the Free Software
-Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+You should have received a copy of the GNU General Public License
+along with Bash. If not, see <http://www.gnu.org/licenses/>.
$PRODUCES suspend.c
$DEPENDS_ON JOB_CONTROL
$FUNCTION suspend_builtin
$SHORT_DOC suspend [-f]
-Suspend the execution of this shell until it receives a SIGCONT
-signal. The `-f' if specified says not to complain about this
-being a login shell if it is; just suspend anyway.
+Suspend shell execution.
+
+Suspend the execution of this shell until it receives a SIGCONT signal.
+Unless forced, login shells cannot be suspended.
+
+Options:
+ -f force the suspend, even if the shell is a login shell
+
+Exit Status:
+Returns success unless job control is not enabled or an error occurs.
$END
#include <config.h>
#if defined (JOB_CONTROL)
#if defined (HAVE_UNISTD_H)
+# ifdef _MINIX
+# include <sys/types.h>
+# endif
# include <unistd.h>
#endif
#include "../bashtypes.h"
#include <signal.h>
+#include "../bashintl.h"
#include "../shell.h"
#include "../jobs.h"
#include "common.h"
#include "bashgetopt.h"
-extern int job_control;
+static sighandler suspend_continue __P((int));
-static SigHandler *old_cont, *old_stop;
+static SigHandler *old_cont;
+#if 0
+static SigHandler *old_stop;
+#endif
/* Continue handler. */
-sighandler
+static sighandler
suspend_continue (sig)
int sig;
{
if (job_control == 0)
{
- builtin_error ("cannot suspend a shell without job control");
+ sh_nojobs (_("cannot suspend"));
return (EXECUTION_FAILURE);
}
if (login_shell)
{
- builtin_error ("cannot suspend a login shell");
+ builtin_error (_("cannot suspend a login shell"));
return (EXECUTION_FAILURE);
}
}
+ /* XXX - should we put ourselves back into the original pgrp now? If so,
+ call end_job_control() here and do the right thing in suspend_continue
+ (that is, call restart_job_control()). */
old_cont = (SigHandler *)set_signal_handler (SIGCONT, suspend_continue);
#if 0
old_stop = (SigHandler *)set_signal_handler (SIGSTOP, SIG_DFL);