gdb/testsuite/gdb.threads/fork-plus-threads.exp

   1 # Copyright (C) 2015 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 # This test verifies that threads created by the child fork are
  17 # properly handled.  Specifically, GDB used to have a bug where it
  18 # would leave child fork threads stuck stopped, even though "info
  19 # threads" would show them running.
  20 #
  21 # See https://sourceware.org/bugzilla/show_bug.cgi?id=18600
  22
  23 standard_testfile
  24
  25 proc do_test { detach_on_fork } {
  26     global GDBFLAGS
  27     global srcfile testfile
  28     global gdb_prompt
  29
  30     set saved_gdbflags $GDBFLAGS
  31     set GDBFLAGS [concat $GDBFLAGS " -ex \"set non-stop on\""]
  32
  33     if {[prepare_for_testing "failed to prepare" \
  34              $testfile $srcfile {debug pthreads}] == -1} {
  35         set GDBFLAGS $saved_gdbflags
  36         return -1
  37     }
  38
  39     set GDBFLAGS $saved_gdbflags
  40
  41     if ![runto_main] then {
  42         fail "Can't run to main"
  43         return 0
  44     }
  45
  46     gdb_test_no_output "set detach-on-fork $detach_on_fork"
  47     set test "continue &"
  48     gdb_test_multiple $test $test {
  49         -re "$gdb_prompt " {
  50             pass $test
  51         }
  52     }
  53
  54     set test "inferior 1 exited"
  55     gdb_test_multiple "" $test {
  56         -re "Inferior 1 \(\[^\r\n\]+\) exited normally" {
  57             pass $test
  58         }
  59     }
  60
  61     gdb_test "info threads" "No threads\." \
  62         "no threads left"
  63
  64     gdb_test "info inferiors" \
  65         "Num\[ \t\]+Description\[ \t\]+Executable\[ \t\]+\r\n\\* 1 \[^\r\n\]+" \
  66         "only inferior 1 left"
  67 }
  68
  69 foreach detach_on_fork {"on" "off"} {
  70     with_test_prefix "detach-on-fork=$detach_on_fork" {
  71         do_test $detach_on_fork
  72     }
  73 }