2007-07-07  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* gdb.threads/leader-exit.c, gdb.threads/leader-exit.exp: New files.

--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ ./gdb/testsuite/gdb.threads/leader-exit.c	7 Jul 2007 15:21:57 -0000
@@ -0,0 +1,47 @@
+/* Clean exit of the thread group leader should not break GDB.
+
+   Copyright 2007 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program 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 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <pthread.h>
+#include <assert.h>
+#include <unistd.h>
+
+static void *start (void *arg)
+{
+  for (;;)
+    pause ();
+  /* NOTREACHED */
+  assert (0);
+  return arg;
+}
+
+int main (void)
+{
+  pthread_t thread;
+  int i;
+
+  i = pthread_create (&thread, NULL, start, NULL);	/* create1 */
+  assert (i == 0);
+
+  pthread_exit (NULL);
+  /* NOTREACHED */
+  assert (0);
+  return 0;
+}
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ ./gdb/testsuite/gdb.threads/leader-exit.exp	7 Jul 2007 15:21:57 -0000
@@ -0,0 +1,64 @@
+# Copyright (C) 2007 Free Software Foundation, Inc.
+
+# This program 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 of the License, or
+# (at your option) any later version.
+# 
+# This program 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 this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  
+
+# Exit of the thread group leader should not break GDB.
+
+# This file was written by Jan Kratochvil <jan.kratochvil@redhat.com>.
+
+if $tracelevel then {
+	strace $tracelevel
+}
+
+set testfile "leader-exit"
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
+
+if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
+    return -1
+}
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+gdb_run_cmd
+
+proc stop_process { description } {
+  global gdb_prompt
+
+  # For this to work we must be sure to consume the "Continuing."
+  # message first, or GDB's signal handler may not be in place.
+  after 1000 {send_gdb "\003"}
+  gdb_expect {
+    -re "Program received signal SIGINT.*$gdb_prompt $"
+      {
+	pass $description
+      }
+    timeout
+      {
+	fail "$description (timeout)"
+      }
+  }
+}
+
+# Prevent races.
+sleep 8
+
+stop_process "Threads could be stopped"
+
+gdb_test "info threads" \
+         "\\* 2 Thread \[^\r\n\]* in \[^\r\n\]*" \
+         "Single thread has been left"