gdb/testsuite/gdb.multi/tids-gid-reset.exp

   1 # Copyright 2015-2020 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 # Check that letting the inferior exit and restarting it again resets
  17 # the global TID counter, and thus the new thread 1.1 should end up
  18 # with global TID == 1.
  19 #
  20 # Also, check the same but with another inferior still running, in
  21 # which case the new thread 1.1 should end up with global TID == 3.
  22
  23 standard_testfile
  24
  25 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} {pthreads debug}] } {
  26     return -1
  27 }
  28
  29 with_test_prefix "single-inferior" {
  30     with_test_prefix "before restart" {
  31         clean_restart ${testfile}
  32
  33         if { ![runto_main] } then {
  34             return -1
  35         }
  36
  37         gdb_test "info threads -gid" "\\* 1 +1 +.*"
  38     }
  39
  40     with_test_prefix "restart" {
  41         gdb_continue_to_end
  42         if { ![runto_main] } then {
  43             return -1
  44         }
  45     }
  46
  47     with_test_prefix "after restart" {
  48         gdb_test "info threads -gid" "\\* 1 +1 +.*"
  49     }
  50 }
  51
  52 # For the following tests, multiple inferiors are needed, therefore
  53 # non-extended gdbserver is not supported.
  54 if [use_gdb_stub] {
  55     untested "using gdb stub"
  56     return
  57 }
  58
  59 # Test with multiple inferiors.  This time, since we restart inferior
  60 # 1 while inferior 2 still has threads, then the new thread 1.1 should
  61 # end up with GID == 3, since we won't be able to reset the global
  62 # thread ID counter.
  63 with_test_prefix "multi-inferior" {
  64     gdb_test "add-inferior" "Added inferior 2.*" "add empty inferior 2"
  65     gdb_test "inferior 2" "Switching to inferior 2 .*" "switch to inferior 2"
  66     gdb_load ${binfile}
  67
  68     if ![runto_main] then {
  69         fail "starting inferior 2"
  70         return
  71     }
  72
  73     gdb_test "inferior 1" "Switching to inferior 1 .*" \
  74         "switch back to inferior 1"
  75
  76     with_test_prefix "before restart" {
  77         gdb_test "info threads -gid" \
  78             [multi_line \
  79                  "\\* 1\.1 +1 +.*" \
  80                  "  2\.1 +2 +.*"]
  81     }
  82
  83     with_test_prefix "restart" {
  84         gdb_continue_to_end
  85         if { ![runto_main] } then {
  86             return -1
  87         }
  88     }
  89
  90     with_test_prefix "after restart" {
  91         gdb_test "info threads -gid" \
  92             [multi_line \
  93                  "\\* 1\.1 +3 +.*" \
  94                  "  2\.1 +2 +.*"]
  95     }
  96 }