Adding upstream version 5.1.upstream/5.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 169 insertions, 0 deletions

diff --git a/builtins/exit.def b/builtins/exit.def
new file mode 100644
index 0000000..dc6f3d5
--- /dev/null
+++ b/builtins/exit.def
@@ -0,0 +1,169 @@
+This file is exit.def, from which is created exit.c.
+It implements the builtins "exit", and "logout" in Bash.
+
+Copyright (C) 1987-2020 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 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.
+
+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.
+
+Exits the shell with a status of N.  If N is omitted, the exit status
+is that of the last command executed.
+$END
+
+#include <config.h>
+
+#include "../bashtypes.h"
+#include <stdio.h>
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif
+
+#include "../bashintl.h"
+
+#include "../shell.h"
+#include "../execute_cmd.h"
+#include "../jobs.h"
+#include "../trap.h"
+
+#include "common.h"
+#include "builtext.h"	/* for jobs_builtin */
+
+extern int check_jobs_at_exit;
+
+static int exit_or_logout PARAMS((WORD_LIST *));
+static int sourced_logout;
+
+int
+exit_builtin (list)
+     WORD_LIST *list;
+{
+  CHECK_HELPOPT (list);
+
+  if (interactive)
+    {
+      fprintf (stderr, login_shell ? _("logout\n") : "exit\n");
+      fflush (stderr);
+    }
+
+  return (exit_or_logout (list));
+}
+
+$BUILTIN logout
+$FUNCTION logout_builtin
+$SHORT_DOC logout [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. */
+int
+logout_builtin (list)
+     WORD_LIST *list;
+{
+  CHECK_HELPOPT (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, stopmsg;
+
+  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 == 0)
+    {
+      register int i;
+      for (i = stopmsg = 0; i < js.j_jobslots; i++)
+	if (jobs[i] && STOPPED (i))
+	  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. */
+
+  /* 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
+    }
+}