This file is exit.def, from which is created exit.c.
It implements the builtins "exit", and "logout" 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 exit.c
$BUILTIN exit
$FUNCTION exit_builtin
$SHORT_DOC exit [n]
-Exit the shell with a status of N. If N is omitted, the exit status
+Exit the shell.
+
+Exits the shell with a status of N. If N is omitted, the exit status
is that of the last command executed.
$END
#include <config.h>
-#include <sys/types.h>
+#include "../bashtypes.h"
#include <stdio.h>
#if defined (HAVE_UNISTD_H)
# include <unistd.h>
#endif
+#include "../bashintl.h"
+
#include "../shell.h"
#include "../jobs.h"
#include "common.h"
#include "builtext.h" /* for jobs_builtin */
-extern int interactive, login_shell;
+extern int check_jobs_at_exit;
extern int last_command_exit_value;
+extern int running_trap, trap_saved_exit_value;
+extern int subshell_environment;
+extern sh_builtin_func_t *this_shell_builtin;
+extern sh_builtin_func_t *last_shell_builtin;
-static int exit_or_logout ();
+static int exit_or_logout __P((WORD_LIST *));
static int sourced_logout;
int
{
if (interactive)
{
- fprintf (stderr, login_shell ? "logout\n" : "exit\n");
+ fprintf (stderr, login_shell ? _("logout\n") : "exit\n");
fflush (stderr);
}
$BUILTIN logout
$FUNCTION logout_builtin
-$SHORT_DOC logout
-Logout of a login shell.
+$SHORT_DOC logout [n]
+Exit a login shell.
+
+Exits a login shell with exit status N. Returns an error if not executed
+in a login shell.
$END
/* How to logout. */
logout_builtin (list)
WORD_LIST *list;
{
- if (login_shell == 0 && interactive)
+ if (login_shell == 0 /* && interactive */)
{
- builtin_error ("not login shell: use `exit'");
+ builtin_error (_("not login shell: use `exit'"));
return (EXECUTION_FAILURE);
}
else
return (exit_or_logout (list));
}
-/* Clean up work for exiting or logging out. */
-Function *last_shell_builtin = (Function *)NULL;
-Function *this_shell_builtin = (Function *)NULL;
-
static int
exit_or_logout (list)
WORD_LIST *list;
int exit_value;
#if defined (JOB_CONTROL)
- int exit_immediate_okay;
+ int exit_immediate_okay, stopmsg;
exit_immediate_okay = (interactive == 0 ||
last_shell_builtin == exit_builtin ||
last_shell_builtin == jobs_builtin);
/* Check for stopped jobs if the user wants to. */
- if (!exit_immediate_okay)
+ if (exit_immediate_okay == 0)
{
register int i;
- for (i = 0; i < job_slots; i++)
+ for (i = stopmsg = 0; i < js.j_jobslots; i++)
if (jobs[i] && STOPPED (i))
- {
- fprintf (stderr, "There are stopped jobs.\n");
-
- /* This is NOT superfluous because EOF can get here without
- going through the command parser. Set both last and this
- so that either `exit', `logout', or ^D will work to exit
- immediately if nothing intervenes. */
- this_shell_builtin = last_shell_builtin = exit_builtin;
- return (EXECUTION_FAILURE);
- }
+ stopmsg = JSTOPPED;
+ else if (check_jobs_at_exit && stopmsg == 0 && jobs[i] && RUNNING (i))
+ stopmsg = JRUNNING;
+
+ if (stopmsg == JSTOPPED)
+ fprintf (stderr, _("There are stopped jobs.\n"));
+ else if (stopmsg == JRUNNING)
+ fprintf (stderr, _("There are running jobs.\n"));
+
+ if (stopmsg && check_jobs_at_exit)
+ list_all_jobs (JLIST_STANDARD);
+
+ if (stopmsg)
+ {
+ /* This is NOT superfluous because EOF can get here without
+ going through the command parser. Set both last and this
+ so that either `exit', `logout', or ^D will work to exit
+ immediately if nothing intervenes. */
+ this_shell_builtin = last_shell_builtin = exit_builtin;
+ return (EXECUTION_FAILURE);
+ }
}
#endif /* JOB_CONTROL */
/* Get return value if present. This means that you can type
`logout 5' to a shell, and it returns 5. */
- exit_value = list ? get_numeric_arg (list) : last_command_exit_value;
+ /* If we're running the exit trap (running_trap == 1, since running_trap
+ gets set to SIG+1), and we don't have a argument given to `exit'
+ (list == 0), use the exit status we saved before running the trap
+ commands (trap_saved_exit_value). */
+ exit_value = (running_trap == 1 && list == 0) ? trap_saved_exit_value : get_exitstat (list);
+
+ bash_logout ();
+
+ last_command_exit_value = exit_value;
+
+ /* Exit the program. */
+ jump_to_top_level (EXITPROG);
+ /*NOTREACHED*/
+}
+
+void
+bash_logout ()
+{
/* Run our `~/.bash_logout' file if it exists, and this is a login shell. */
- if (login_shell && sourced_logout++ == 0)
+ if (login_shell && sourced_logout++ == 0 && subshell_environment == 0)
{
maybe_execute_file ("~/.bash_logout", 1);
#ifdef SYS_BASH_LOGOUT
maybe_execute_file (SYS_BASH_LOGOUT, 1);
#endif
}
-
- last_command_exit_value = exit_value;
-
- /* Exit the program. */
- jump_to_top_level (EXITPROG);
- /*NOTREACHED*/
}
projects / thirdparty / bash.git / blobdiff