gdb/testsuite/gdb.threads/next-bp-other-thread.exp

   1 # Copyright (C) 2014-2016 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 that GDB behaves correctly when a "next" steps over a call, and
  17 # another thread hits a breakpoint that doesn't cause a user visible
  18 # stop (and so needs to be stepped over).  GDB used to trip on an
  19 # invalid assertion - PR17408.
  20
  21 standard_testfile
  22
  23 if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug pthreads}] == -1} {
  24     return -1
  25 }
  26
  27 # Test all "set scheduler-locking" variants.
  28 foreach schedlock {"off" "step" "on" } {
  29     with_test_prefix "schedlock=$schedlock" {
  30         clean_restart $binfile
  31
  32         if ![runto_main] {
  33             continue
  34         }
  35
  36         gdb_breakpoint [gdb_get_line_number "set wait-thread breakpoint here"]
  37         gdb_continue_to_breakpoint "run to wait-thread breakpoint"
  38         gdb_test "info threads" "\\\* 1 .*  2 .*" "info threads shows all threads"
  39
  40         delete_breakpoints
  41
  42         gdb_breakpoint [gdb_get_line_number "set breakpoint child here"]
  43         # Give it a condition that always fails.
  44         gdb_test "condition \$bpnum global_zero == 1" ".*"
  45
  46         gdb_test_no_output "set scheduler-locking $schedlock"
  47
  48         # While stepping over the sleep call, the other thread hits a
  49         # breakpoint that doesn't cause a user visible stop (and so
  50         # needs to be stepped over).  The next should complete as if
  51         # that breakpoint never triggered.
  52         gdb_test "next" "EXIT_SUCCESS.*" "next over function call"
  53     }
  54 }