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This file is exitdef, from which is created exitc
It implements the builtins "exit", and "logout" in Bash
Copyright (C) 1987-2005 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 2, 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
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, 59 Temple Place, Suite 330, Boston, MA 02111 USA
$PRODUCES exitc
$BUILTIN exit
$FUNCTION exit_builtin
$SHORT_DOC exit [n]
Exit the shell with a status of N If N is omitted, the exit status
is that of the last command executed
$END
#include <configh
#include "../bashtypesh"
#include <stdioh
#if defined (HAVE_UNISTD_H)
# include <unistdh
#endif
#include "../bashintlh"
#include "../shellh"
#include "../jobsh"
#include "commonh"
#include "builtexth" /* for jobs_builtin */
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 __P((WORD_LIST *));
static int sourced_logout;
int
exit_builtin (list)
WORD_LIST *list;
{
if (interactive)
{
fprintf (stderr, login_shell ? "logout\n" : "exit\n");
fflush (stderr);
}
return (exit_or_logout (list));
}
$BUILTIN logout
$FUNCTION logout_builtin
$SHORT_DOC logout
Logout of a login shell
$END
/* How to logout */
int
logout_builtin (list)
WORD_LIST *list;
{
if (login_shell == 0 /* && interactive */)
{
builtin_error (_("not login shell: use `exit'"));
return (EXECUTION_FAILURE);
}
else
return (exit_or_logout (list));
}
static int
exit_or_logout (list)
WORD_LIST *list;
{
int exit_value;
#if defined (JOB_CONTROL)
int exit_immediate_okay;
exit_immediate_okay = (interactive == 0 ||
last_shell_builtin == exit_builtin ||
last_shell_builtin == logout_builtin ||
last_shell_builtin == jobs_builtin);
/* Check for stopped jobs if the user wants to */
if (!exit_immediate_okay)
{
register int i;
for (i = 0; i < jsj_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);
}
}
#endif /* JOB_CONTROL */
/* Get return value if present This means that you can type
`logout 5' to a shell, and it returns 5 */
/* 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 && subshell_environment == 0)
{
maybe_execute_file ("~/.bash_logout", 1);
#ifdef SYS_BASH_LOGOUT
maybe_execute_file (SYS_BASH_LOGOUT, 1);
#endif
}
}
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