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

   1 # Copyright (C) 2012-2021 Free Software Foundation, Inc.
   2 #
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 if {![can_spawn_for_attach]} {
  17     return 0
  18 }
  19
  20 standard_testfile
  21 set executable ${testfile}
  22
  23 if { [prepare_for_testing "failed to prepare" $executable] } {
  24     return -1
  25 }
  26
  27 # Start the program running and then wait for a bit, to be sure
  28 # that it can be attached to.
  29
  30 set test_spawn_id [spawn_wait_for_attach $binfile]
  31 set testpid [spawn_id_get_pid $test_spawn_id]
  32
  33 set parentpid 0
  34
  35 set test "attach"
  36 gdb_test_multiple "attach $testpid" $test {
  37     -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 $" {
  38         set parentpid $expect_out(1,string)
  39         pass $test
  40     }
  41     -re "Attaching to program: \[^\r\n\]*, process $testpid\r\n.*ptrace: Operation not permitted\\.\r\n$gdb_prompt $" {
  42         fail $test
  43     }
  44     -re "\r\n$gdb_prompt $" {
  45         xfail $test
  46     }
  47 }
  48
  49 if {$parentpid != 0} {
  50   eval exec kill -9 $parentpid
  51 }
  52 kill_wait_spawned_process $test_spawn_id