gdb/testsuite/gdb.threads/vfork-follow-child-exec.exp

   1 # Copyright (C) 2019-2020 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 # Test following a vfork child that execs, when the vfork parent is a
  17 # threaded program, and it's a non-main thread that vforks.
  18
  19 standard_testfile
  20
  21 if {[build_executable "failed to prepare" $testfile $srcfile {debug pthreads}]} {
  22     return -1
  23 }
  24
  25 # DETACH indicates whether "set detach-on-fork" is enabled.  It is
  26 # either "on" or "off".
  27
  28 proc test_vfork {detach} {
  29     global binfile
  30
  31     clean_restart $binfile
  32
  33     if ![runto_main] then {
  34         fail "can't run to main"
  35         return 0
  36     }
  37
  38     delete_breakpoints
  39
  40     gdb_test_no_output "set follow-fork-mode child"
  41     gdb_test_no_output "set detach-on-fork $detach"
  42
  43     if {$detach == "off"} {
  44         gdb_test "continue" \
  45             [multi_line \
  46                  "Attaching after .* vfork to child .*" \
  47                  ".*New inferior 2 .*" \
  48                  ".* is executing new program: .*" \
  49                  ".*Inferior 2 .* exited normally.*"]
  50     } else {
  51         gdb_test "continue" \
  52             [multi_line \
  53                  "Attaching after .* vfork to child .*" \
  54                  ".*New inferior 2 .*" \
  55                  ".*Detaching vfork parent process .* after child exec.*" \
  56                  ".*Inferior 1 .* detached.*" \
  57                  ".*is executing new program: .*" \
  58                  ".*Inferior 2 .*exited normally.*"]
  59     }
  60 }
  61
  62 foreach_with_prefix detach-on-fork {"off" "on"} {
  63     test_vfork ${detach-on-fork}
  64 }