#line 23 "suspend.def"
#line 32 "suspend.def"
#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"
static sighandler suspend_continue __P((int));
static SigHandler *old_cont;
#if 0
static SigHandler *old_stop;
#endif
static sighandler
suspend_continue (sig)
int sig;
{
set_signal_handler (SIGCONT, old_cont);
#if 0
set_signal_handler (SIGSTOP, old_stop);
#endif
SIGRETURN (0);
}
int
suspend_builtin (list)
WORD_LIST *list;
{
int opt, force;
reset_internal_getopt ();
force = 0;
while ((opt = internal_getopt (list, "f")) != -1)
switch (opt)
{
case 'f':
force++;
break;
default:
builtin_usage ();
return (EX_USAGE);
}
list = loptend;
if (job_control == 0)
{
sh_nojobs (_("cannot suspend"));
return (EXECUTION_FAILURE);
}
if (force == 0)
{
no_args (list);
if (login_shell)
{
builtin_error (_("cannot suspend a login shell"));
return (EXECUTION_FAILURE);
}
}
old_cont = (SigHandler *)set_signal_handler (SIGCONT, suspend_continue);
#if 0
old_stop = (SigHandler *)set_signal_handler (SIGSTOP, SIG_DFL);
#endif
killpg (shell_pgrp, SIGSTOP);
return (EXECUTION_SUCCESS);
}
#endif