bash-3.1 remove leftover and stray files

1 files changed, 0 insertions, 924 deletions

diff --git a/nojobs.c~ b/nojobs.c~
deleted file mode 100644
index 5f1ec67a..00000000
--- a/nojobs.c~
+++ /dev/null
@@ -1,924 +0,0 @@
-/* The thing that makes children, remembers them, and contains wait loops. */
-
-/* This file works under BSD, System V, minix, and Posix systems.  It does
-   not implement job control. */
-
-/* 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. */
-
-#include "config.h"
-
-#include "bashtypes.h"
-#include "filecntl.h"
-
-#if defined (HAVE_UNISTD_H)
-#  include <unistd.h>
-#endif
-
-#include <stdio.h>
-#include <signal.h>
-#include <errno.h>
-
-#if defined (BUFFERED_INPUT)
-#  include "input.h"
-#endif
-
-/* Need to include this up here for *_TTY_DRIVER definitions. */
-#include "shtty.h"
-
-#include "bashintl.h"
-
-#include "shell.h"
-#include "jobs.h"
-
-#include "builtins/builtext.h"	/* for wait_builtin */
-
-#define DEFAULT_CHILD_MAX 32
-
-#if defined (_POSIX_VERSION) || !defined (HAVE_KILLPG)
-#  define killpg(pg, sig)		kill(-(pg),(sig))
-#endif /* USG || _POSIX_VERSION */
-
-#if !defined (HAVE_SIGINTERRUPT) && !defined (HAVE_POSIX_SIGNALS)
-#  define siginterrupt(sig, code)
-#endif /* !HAVE_SIGINTERRUPT && !HAVE_POSIX_SIGNALS */
-
-#if defined (HAVE_WAITPID)
-#  define WAITPID(pid, statusp, options) waitpid (pid, statusp, options)
-#else
-#  define WAITPID(pid, statusp, options) wait (statusp)
-#endif /* !HAVE_WAITPID */
-
-/* Return the fd from which we are actually getting input. */
-#define input_tty() (shell_tty != -1) ? shell_tty : fileno (stderr)
-
-#if !defined (errno)
-extern int errno;
-#endif /* !errno */
-
-extern int interactive, interactive_shell, login_shell;
-extern int subshell_environment;
-extern int last_command_exit_value, last_command_exit_signal;
-extern int interrupt_immediately;
-extern sh_builtin_func_t *this_shell_builtin;
-#if defined (HAVE_POSIX_SIGNALS)
-extern sigset_t top_level_mask;
-#endif
-extern procenv_t wait_intr_buf;
-extern int wait_signal_received;
-
-pid_t last_made_pid = NO_PID;
-pid_t last_asynchronous_pid = NO_PID;
-
-/* Call this when you start making children. */
-int already_making_children = 0;
-
-/* The controlling tty for this shell. */
-int shell_tty = -1;
-
-/* If this is non-zero, $LINES and $COLUMNS are reset after every process
-   exits from get_tty_state(). */
-int check_window_size;
-
-/* STATUS and FLAGS are only valid if pid != NO_PID
-   STATUS is only valid if (flags & PROC_RUNNING) == 0 */
-struct proc_status {
-  pid_t pid;
-  int status;	/* Exit status of PID or 128 + fatal signal number */
-  int flags;
-};
-
-/* Values for proc_status.flags */
-#define PROC_RUNNING	0x01
-#define PROC_NOTIFIED	0x02
-#define PROC_ASYNC	0x04
-#define PROC_SIGNALED	0x10
-
-/* Return values from find_status_by_pid */
-#define PROC_BAD	 -1
-#define PROC_STILL_ALIVE -2
-
-static struct proc_status *pid_list = (struct proc_status *)NULL;
-static int pid_list_size;
-static int wait_sigint_received;
-
-static long child_max = -1L;
-
-static void alloc_pid_list __P((void));
-static int find_proc_slot __P((void));
-static int find_index_by_pid __P((pid_t));
-static int find_status_by_pid __P((pid_t));
-static int process_exit_status __P((WAIT));
-static int find_termsig_by_pid __P((pid_t));
-static int get_termsig __P((WAIT));
-static void set_pid_status __P((pid_t, WAIT));
-static void set_pid_flags __P((pid_t, int));
-static void unset_pid_flags __P((pid_t, int));
-static int get_pid_flags __P((pid_t));
-static void add_pid __P((pid_t, int));
-static void mark_dead_jobs_as_notified __P((int));
-
-static sighandler wait_sigint_handler __P((int));
-static char *j_strsignal __P((int));
-
-#if defined (HAVE_WAITPID)
-static void reap_zombie_children __P((void));
-#endif
-
-#if !defined (HAVE_SIGINTERRUPT) && defined (HAVE_POSIX_SIGNALS)
-static int siginterrupt __P((int, int));
-#endif
-
-static void restore_sigint_handler __P((void));
-
-/* Allocate new, or grow existing PID_LIST. */
-static void
-alloc_pid_list ()
-{
-  register int i;
-  int old = pid_list_size;
-
-  pid_list_size += 10;
-  pid_list = (struct proc_status *)xrealloc (pid_list, pid_list_size * sizeof (struct proc_status));
-
-  /* None of the newly allocated slots have process id's yet. */
-  for (i = old; i < pid_list_size; i++)
-    pid_list[i].pid = NO_PID;
-}
-
-/* Return the offset within the PID_LIST array of an empty slot.  This can
-   create new slots if all of the existing slots are taken. */
-static int
-find_proc_slot ()
-{
-  register int i;
-
-  for (i = 0; i < pid_list_size; i++)
-    if (pid_list[i].pid == NO_PID)
-      return (i);
-
-  if (i == pid_list_size)
-    alloc_pid_list ();
-
-  return (i);
-}
-
-/* Return the offset within the PID_LIST array of a slot containing PID,
-   or the value NO_PID if the pid wasn't found. */
-static int
-find_index_by_pid (pid)
-     pid_t pid;
-{
-  register int i;
-
-  for (i = 0; i < pid_list_size; i++)
-    if (pid_list[i].pid == pid)
-      return (i);
-
-  return (NO_PID);
-}
-
-/* Return the status of PID as looked up in the PID_LIST array.  A
-   return value of PROC_BAD indicates that PID wasn't found. */
-static int
-find_status_by_pid (pid)
-     pid_t pid;
-{
-  int i;
-
-  i = find_index_by_pid (pid);
-  if (i == NO_PID)
-    return (PROC_BAD);
-  if (pid_list[i].flags & PROC_RUNNING)
-    return (PROC_STILL_ALIVE);
-  return (pid_list[i].status);
-}
-
-static int
-process_exit_status (status)
-     WAIT status;
-{
-  if (WIFSIGNALED (status))
-    return (128 + WTERMSIG (status));
-  else
-    return (WEXITSTATUS (status));
-}
-
-/* Return the status of PID as looked up in the PID_LIST array.  A
-   return value of PROC_BAD indicates that PID wasn't found. */
-static int
-find_termsig_by_pid (pid)
-     pid_t pid;
-{
-  int i;
-
-  i = find_index_by_pid (pid);
-  if (i == NO_PID)
-    return (0);
-  if (pid_list[i].flags & PROC_RUNNING)
-    return (0);
-  return (get_termsig (pid_list[i].status));
-}
-
-/* Set LAST_COMMAND_EXIT_SIGNAL depending on STATUS.  If STATUS is -1, look
-   up PID in the pid array and set LAST_COMMAND_EXIT_SIGNAL appropriately
-   depending on its flags and exit status. */
-static int
-get_termsig (status)
-     WAIT status;
-{
-  if (WIFSTOPPED (status) == 0 && WIFSIGNALED (status))
-    return (WTERMSIG (status));
-  else
-    return (0);
-}
-
-/* Give PID the status value STATUS in the PID_LIST array. */
-static void
-set_pid_status (pid, status)
-     pid_t pid;
-     WAIT status;
-{
-  int slot;
-
-  slot = find_index_by_pid (pid);
-  if (slot == NO_PID)
-    return;
-
-  pid_list[slot].status = process_exit_status (status);
-  pid_list[slot].flags &= ~PROC_RUNNING;
-  if (WIFSIGNALED (status))
-    pid_list[slot].flags |= PROC_SIGNALED;
-  /* If it's not a background process, mark it as notified so it gets
-     cleaned up. */
-  if ((pid_list[slot].flags & PROC_ASYNC) == 0)
-    pid_list[slot].flags |= PROC_NOTIFIED;
-}
-
-/* Give PID the flags FLAGS in the PID_LIST array. */
-static void
-set_pid_flags (pid, flags)
-     pid_t pid;
-     int flags;
-{
-  int slot;
-
-  slot = find_index_by_pid (pid);
-  if (slot == NO_PID)
-    return;
-
-  pid_list[slot].flags |= flags;
-}
-
-/* Unset FLAGS for PID in the pid list */
-static void
-unset_pid_flags (pid, flags)
-     pid_t pid;
-     int flags;
-{
-  int slot;
-
-  slot = find_index_by_pid (pid);
-  if (slot == NO_PID)
-    return;
-
-  pid_list[slot].flags &= ~flags;
-}
-
-/* Return the flags corresponding to PID in the PID_LIST array. */
-static int
-get_pid_flags (pid)
-     pid_t pid;
-{
-  int slot;
-
-  slot = find_index_by_pid (pid);
-  if (slot == NO_PID)
-    return 0;
-
-  return (pid_list[slot].flags);
-}
-
-static void
-add_pid (pid, async)
-     pid_t pid;
-     int async;
-{
-  int slot;
-
-  slot = find_proc_slot ();
-
-  pid_list[slot].pid = pid;
-  pid_list[slot].status = -1;
-  pid_list[slot].flags = PROC_RUNNING;
-  if (async)
-    pid_list[slot].flags |= PROC_ASYNC;
-}
-
-static void
-mark_dead_jobs_as_notified (force)
-     int force;
-{
-  register int i, ndead;
-
-  /* first, count the number of non-running async jobs if FORCE == 0 */
-  for (i = ndead = 0; force == 0 && i < pid_list_size; i++)
-    {
-      if (pid_list[i].pid == NO_PID)
-	continue;
-      if (((pid_list[i].flags & PROC_RUNNING) == 0) &&
-	   (pid_list[i].flags & PROC_ASYNC))
-	ndead++;
-    }
-
-  if (child_max < 0)
-    child_max = getmaxchild ();
-  if (child_max < 0)
-    child_max = DEFAULT_CHILD_MAX;
-
-  if (force == 0 && ndead <= child_max)
-    return;
-
-  /* If FORCE == 0, we just mark as many non-running async jobs as notified
-     to bring us under the CHILD_MAX limit. */
-  for (i = 0; i < pid_list_size; i++)
-    {
-      if (pid_list[i].pid == NO_PID)
-	continue;
-      if (((pid_list[i].flags & PROC_RUNNING) == 0) &&
-	   pid_list[i].pid != last_asynchronous_pid)
-	{
-	  pid_list[i].flags |= PROC_NOTIFIED;
-	  if (force == 0 && (pid_list[i].flags & PROC_ASYNC) && --ndead <= child_max)
-	    break;
-	}
-    }
-}
-
-/* Remove all dead, notified jobs from the pid_list. */
-int
-cleanup_dead_jobs ()
-{
-  register int i;
-
-#if defined (HAVE_WAITPID)
-  reap_zombie_children ();
-#endif
-
-  for (i = 0; i < pid_list_size; i++)
-    {
-      if ((pid_list[i].flags & PROC_RUNNING) == 0 &&
-	  (pid_list[i].flags & PROC_NOTIFIED))
-	pid_list[i].pid = NO_PID;
-    }
-
-  return 0;
-}
-
-void
-reap_dead_jobs ()
-{
-  mark_dead_jobs_as_notified (0);
-  cleanup_dead_jobs ();
-}
-
-/* Initialize the job control mechanism, and set up the tty stuff. */
-initialize_job_control (force)
-     int force;
-{
-  shell_tty = fileno (stderr);
-
-  if (interactive)
-    get_tty_state ();
-}
-
-/* Setup this shell to handle C-C, etc. */
-void
-initialize_job_signals ()
-{
-  set_signal_handler (SIGINT, sigint_sighandler);
-
-  /* If this is a login shell we don't wish to be disturbed by
-     stop signals. */
-  if (login_shell)
-    ignore_tty_job_signals ();
-}
-
-#if defined (HAVE_WAITPID)
-/* Collect the status of all zombie children so that their system
-   resources can be deallocated. */
-static void
-reap_zombie_children ()
-{
-#  if defined (WNOHANG)
-  pid_t pid;
-  WAIT status;
-
-  while ((pid = waitpid (-1, (int *)&status, WNOHANG)) > 0)
-    set_pid_status (pid, status);
-#  endif /* WNOHANG */
-}
-#endif /* WAITPID */
-
-#if !defined (HAVE_SIGINTERRUPT) && defined (HAVE_POSIX_SIGNALS)
-static int
-siginterrupt (sig, flag)
-     int sig, flag;
-{
-  struct sigaction act;
-
-  sigaction (sig, (struct sigaction *)NULL, &act);
-
-  if (flag)
-    act.sa_flags &= ~SA_RESTART;
-  else
-    act.sa_flags |= SA_RESTART;
-
-  return (sigaction (sig, &act, (struct sigaction *)NULL));
-}
-#endif /* !HAVE_SIGINTERRUPT && HAVE_POSIX_SIGNALS */
-
-/* Fork, handling errors.  Returns the pid of the newly made child, or 0.
-   COMMAND is just for remembering the name of the command; we don't do
-   anything else with it.  ASYNC_P says what to do with the tty.  If
-   non-zero, then don't give it away. */
-pid_t
-make_child (command, async_p)
-     char *command;
-     int async_p;
-{
-  pid_t pid;
-#if defined (HAVE_WAITPID)
-  int retry = 1;
-#endif /* HAVE_WAITPID */
-
-  /* Discard saved memory. */
-  if (command)
-    free (command);
-
-  start_pipeline ();
-
-#if defined (BUFFERED_INPUT)
-  /* If default_buffered_input is active, we are reading a script.  If
-     the command is asynchronous, we have already duplicated /dev/null
-     as fd 0, but have not changed the buffered stream corresponding to
-     the old fd 0.  We don't want to sync the stream in this case. */
-  if (default_buffered_input != -1 && (!async_p || default_buffered_input > 0))
-    sync_buffered_stream (default_buffered_input);
-#endif /* BUFFERED_INPUT */
-
-  /* Create the child, handle severe errors. */
-#if defined (HAVE_WAITPID)
-  retry_fork:
-#endif /* HAVE_WAITPID */
-
-  if ((pid = fork ()) < 0)
-    {
-#if defined (HAVE_WAITPID)
-      /* Posix systems with a non-blocking waitpid () system call available
-	 get another chance after zombies are reaped. */
-      if (errno == EAGAIN && retry)
-	{
-	  reap_zombie_children ();
-	  retry = 0;
-	  goto retry_fork;
-	}
-#endif /* HAVE_WAITPID */
-
-      sys_error ("fork");
-
-      throw_to_top_level ();
-    }
-
-  if (pid == 0)
-    {
-#if defined (BUFFERED_INPUT)
-      unset_bash_input (0);
-#endif /* BUFFERED_INPUT */
-
-#if defined (HAVE_POSIX_SIGNALS)
-      /* Restore top-level signal mask. */
-      sigprocmask (SIG_SETMASK, &top_level_mask, (sigset_t *)NULL);
-#endif
-
-      /* Ignore INT and QUIT in asynchronous children. */
-      if (async_p)
-	last_asynchronous_pid = getpid ();
-
-      default_tty_job_signals ();
-    }
-  else
-    {
-      /* In the parent. */
-
-      last_made_pid = pid;
-
-      if (async_p)
-	last_asynchronous_pid = pid;
-
-      add_pid (pid, async_p);
-    }
-  return (pid);
-}
-
-void
-ignore_tty_job_signals ()
-{
-#if defined (SIGTSTP)
-  set_signal_handler (SIGTSTP, SIG_IGN);
-  set_signal_handler (SIGTTIN, SIG_IGN);
-  set_signal_handler (SIGTTOU, SIG_IGN);
-#endif
-}
-
-void
-default_tty_job_signals ()
-{
-#if defined (SIGTSTP)
-  set_signal_handler (SIGTSTP, SIG_DFL);
-  set_signal_handler (SIGTTIN, SIG_DFL);
-  set_signal_handler (SIGTTOU, SIG_DFL);
-#endif
-}
-
-/* Wait for a single pid (PID) and return its exit status.  Called by
-   the wait builtin. */
-int
-wait_for_single_pid (pid)
-     pid_t pid;
-{
-  pid_t got_pid;
-  WAIT status;
-  int pstatus, flags;
-
-  pstatus = find_status_by_pid (pid);
-
-  if (pstatus == PROC_BAD)
-    {
-      internal_error (_("wait: pid %ld is not a child of this shell"), (long)pid);
-      return (127);
-    }
-
-  if (pstatus != PROC_STILL_ALIVE)
-    {
-      if (pstatus > 128)
-	last_command_exit_signal = find_termsig_by_pid (pid);
-      return (pstatus);
-    }
-
-  siginterrupt (SIGINT, 1);
-  while ((got_pid = WAITPID (pid, &status, 0)) != pid)
-    {
-      if (got_pid < 0)
-	{
-	  if (errno != EINTR && errno != ECHILD)
-	    {
-	      siginterrupt (SIGINT, 0);
-	      sys_error ("wait");
-	    }
-	  break;
-	}
-      else if (got_pid > 0)
-	set_pid_status (got_pid, status);
-    }
-
-  if (got_pid > 0)
-    {
-      set_pid_status (got_pid, status);
-      set_pid_flags (got_pid, PROC_NOTIFIED);
-    }
-
-  siginterrupt (SIGINT, 0);
-  QUIT;
-
-  return (got_pid > 0 ? process_exit_status (status) : -1);
-}
-
-/* Wait for all of the shell's children to exit.  Called by the `wait'
-   builtin. */
-void
-wait_for_background_pids ()
-{
-  pid_t got_pid;
-  WAIT status;
-
-  /* If we aren't using job control, we let the kernel take care of the
-     bookkeeping for us.  wait () will return -1 and set errno to ECHILD
-     when there are no more unwaited-for child processes on both
-     4.2 BSD-based and System V-based systems. */
-
-  siginterrupt (SIGINT, 1);
-
-  /* Wait for ECHILD */
-  while ((got_pid = WAITPID (-1, &status, 0)) != -1)
-    set_pid_status (got_pid, status);
-
-  if (errno != EINTR && errno != ECHILD)
-    {
-      siginterrupt (SIGINT, 0);
-      sys_error("wait");
-    }
-
-  siginterrupt (SIGINT, 0);
-  QUIT;
-
-  mark_dead_jobs_as_notified (1);
-  cleanup_dead_jobs ();
-}
-
-/* Make OLD_SIGINT_HANDLER the SIGINT signal handler. */
-#define INVALID_SIGNAL_HANDLER (SigHandler *)wait_for_background_pids
-static SigHandler *old_sigint_handler = INVALID_SIGNAL_HANDLER;
-
-static void
-restore_sigint_handler ()
-{
-  if (old_sigint_handler != INVALID_SIGNAL_HANDLER)
-    {
-      set_signal_handler (SIGINT, old_sigint_handler);
-      old_sigint_handler = INVALID_SIGNAL_HANDLER;
-    }
-}
-
-/* Handle SIGINT while we are waiting for children in a script to exit.
-   All interrupts are effectively ignored by the shell, but allowed to
-   kill a running job. */
-static sighandler
-wait_sigint_handler (sig)
-     int sig;
-{
-  SigHandler *sigint_handler;
-
-  /* If we got a SIGINT while in `wait', and SIGINT is trapped, do
-     what POSIX.2 says (see builtins/wait.def for more info). */
-  if (this_shell_builtin && this_shell_builtin == wait_builtin &&
-      signal_is_trapped (SIGINT) &&
-      ((sigint_handler = trap_to_sighandler (SIGINT)) == trap_handler))
-    {
-      last_command_exit_value = EXECUTION_FAILURE;
-      restore_sigint_handler ();
-      interrupt_immediately = 0;
-      trap_handler (SIGINT);	/* set pending_traps[SIGINT] */
-      wait_signal_received = SIGINT;
-      longjmp (wait_intr_buf, 1);
-    }
-
-  if (interrupt_immediately)
-    {
-      last_command_exit_value = EXECUTION_FAILURE;
-      restore_sigint_handler ();
-      ADDINTERRUPT;
-      QUIT;
-    }
-
-  wait_sigint_received = 1;
-
-  SIGRETURN (0);
-}
-
-static char *
-j_strsignal (s)
-     int s;
-{
-  static char retcode_name_buffer[64] = { '\0' };
-  char *x;
-
-  x = strsignal (s);
-  if (x == 0)
-    {
-      x = retcode_name_buffer;
-      sprintf (x, "Signal %d", s);
-    }
-  return x;
-}
-
-/* Wait for pid (one of our children) to terminate.  This is called only
-   by the execution code in execute_cmd.c. */
-int
-wait_for (pid)
-     pid_t pid;
-{
-  int return_val, pstatus;
-  pid_t got_pid;
-  WAIT status;
-
-  pstatus = find_status_by_pid (pid);
-
-  if (pstatus == PROC_BAD)
-    return (0);
-
-  if (pstatus != PROC_STILL_ALIVE)
-    {
-      if (pstatus > 128)
-	last_command_exit_signal = find_termsig_by_pid (pid);
-      return (pstatus);
-    }
-
-  /* If we are running a script, ignore SIGINT while we're waiting for
-     a child to exit.  The loop below does some of this, but not all. */
-  wait_sigint_received = 0;
-  if (interactive_shell == 0)
-    old_sigint_handler = set_signal_handler (SIGINT, wait_sigint_handler);
-
-  while ((got_pid = WAITPID (-1, &status, 0)) != pid) /* XXX was pid now -1 */
-    {
-      if (got_pid < 0 && errno == ECHILD)
-	{
-#if !defined (_POSIX_VERSION)
-	  status.w_termsig = status.w_retcode = 0;
-#else
-	  status = 0;
-#endif /* _POSIX_VERSION */
-	  break;
-	}
-      else if (got_pid < 0 && errno != EINTR)
-	programming_error ("wait_for(%ld): %s", (long)pid, strerror(errno));
-      else if (got_pid > 0)
-	set_pid_status (got_pid, status);
-    }
-
-  if (got_pid > 0)
-    set_pid_status (got_pid, status);
-
-#if defined (HAVE_WAITPID)
-  if (got_pid >= 0)
-    reap_zombie_children ();
-#endif /* HAVE_WAITPID */
-
-  if (interactive_shell == 0)
-    {
-      SigHandler *temp_handler;
-
-      temp_handler = old_sigint_handler;
-      restore_sigint_handler ();
-
-      /* If the job exited because of SIGINT, make sure the shell acts as if
-	 it had received one also. */
-      if (WIFSIGNALED (status) && (WTERMSIG (status) == SIGINT))
-	{
-
-	  if (maybe_call_trap_handler (SIGINT) == 0)
-	    {
-	      if (temp_handler == SIG_DFL)
-		termination_unwind_protect (SIGINT);
-	      else if (temp_handler != INVALID_SIGNAL_HANDLER && temp_handler != SIG_IGN)
-		(*temp_handler) (SIGINT);
-	    }
-	}
-    }
-
-  /* Default return value. */
-  /* ``a full 8 bits of status is returned'' */
-  return_val = process_exit_status (status);
-  last_command_exit_signal = get_termsig (status);
-
-#if !defined (DONT_REPORT_SIGPIPE)
-  if ((WIFSTOPPED (status) == 0) && WIFSIGNALED (status) &&
-	(WTERMSIG (status) != SIGINT))
-#else
-  if ((WIFSTOPPED (status) == 0) && WIFSIGNALED (status) &&
-	(WTERMSIG (status) != SIGINT) && (WTERMSIG (status) != SIGPIPE))
-#endif
-    {
-      fprintf (stderr, "%s", j_strsignal (WTERMSIG (status)));
-      if (WIFCORED (status))
-	fprintf (stderr, " (core dumped)");
-      fprintf (stderr, "\n");
-    }
-
-  if (interactive_shell && subshell_environment == 0)
-    {
-      if (WIFSIGNALED (status) || WIFSTOPPED (status))
-	set_tty_state ();
-      else
-	get_tty_state ();
-    }
-
-  return (return_val);
-}
-
-/* Send PID SIGNAL.  Returns -1 on failure, 0 on success.  If GROUP is non-zero,
-   or PID is less than -1, then kill the process group associated with PID. */
-int
-kill_pid (pid, signal, group)
-     pid_t pid;
-     int signal, group;
-{
-  int result;
-
-  if (pid < -1)
-    {
-      pid = -pid;
-      group = 1;
-    }
-  result = group ? killpg (pid, signal) : kill (pid, signal);
-  return (result);
-}
-
-static TTYSTRUCT shell_tty_info;
-static int got_tty_state;
-
-/* Fill the contents of shell_tty_info with the current tty info. */
-get_tty_state ()
-{
-  int tty;
-
-  tty = input_tty ();
-  if (tty != -1)
-    {
-      ttgetattr (tty, &shell_tty_info);
-      got_tty_state = 1;
-      if (check_window_size)
-	get_new_window_size (0);
-    }
-}
-
-/* Make the current tty use the state in shell_tty_info. */
-int
-set_tty_state ()
-{
-  int tty;
-
-  tty = input_tty ();
-  if (tty != -1)
-    {
-      if (got_tty_state == 0)
-	return 0;
-      ttsetattr (tty, &shell_tty_info);
-    }
-  return 0;
-}
-
-/* Give the terminal to PGRP.  */
-give_terminal_to (pgrp, force)
-     pid_t pgrp;
-     int force;
-{
-}
-
-/* Stop a pipeline. */
-int
-stop_pipeline (async, ignore)
-     int async;
-     COMMAND *ignore;
-{
-  already_making_children = 0;
-  return 0;
-}
-
-void
-start_pipeline ()
-{
-  already_making_children = 1;
-}
-
-void
-stop_making_children ()
-{
-  already_making_children = 0;
-}
-
-int
-get_job_by_pid (pid, block)
-     pid_t pid;
-     int block;
-{
-  int i;
-
-  i = find_index_by_pid (pid);
-  return ((i == NO_PID) ? PROC_BAD : i);
-}
-
-/* Print descriptive information about the job with leader pid PID. */
-void
-describe_pid (pid)
-     pid_t pid;
-{
-  fprintf (stderr, "%ld\n", (long) pid);
-}
-
-void
-unfreeze_jobs_list ()
-{
-}
-
-int
-count_all_jobs ()
-{
-  return 0;
-}