Merge GDB 7.5.1

gdb/testsuite/gdb.base/attach-twice.exp

+# Copyright (C) 2012 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 3 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, see <http://www.gnu.org/licenses/>.
+
+# Manipulation with PID on target is not supported.
+if [is_remote target] then {
+    return 0
+}
+
+set testfile attach-twice
+set executable ${testfile}
+set binfile ${objdir}/${subdir}/${executable}
+
+if { [prepare_for_testing ${testfile}.exp $executable] } {
+    return -1
+}
+
+set testpid [eval exec $binfile &]
+exec sleep 2
+
+set parentpid 0
+
+set test "attach"
+gdb_test_multiple "attach $testpid" $test {
+    -re "Attaching to program: \[^\r\n\]*, process $testpid\r\n.*warning: process $testpid is already traced by process (\[0-9\]+)\r\n.*ptrace: Operation not permitted\\.\r\n$gdb_prompt $" {
+        set parentpid $expect_out(1,string)
+        pass $test
+    }
+    -re "Attaching to program: \[^\r\n\]*, process $testpid\r\n.*ptrace: Operation not permitted\\.\r\n$gdb_prompt $" {
+        fail $test
+    }
+    -re "\r\n$gdb_prompt $" {
+        xfail $test
+    }
+}
+
+if {$parentpid != 0} {
+  eval exec kill -9 $parentpid
+}
+eval exec kill -9 $testpid