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- # Copyright (C) 2014-2022 Free Software Foundation, Inc.
- # This program is free software; you can redistribute it and/or modify
- # it under the terms of the GNU General Public License as published by
- # the Free Software Foundation; either version 3 of the License, or
- # (at your option) any later version.
- #
- # This program is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- # GNU General Public License for more details.
- #
- # You should have received a copy of the GNU General Public License
- # along with this program. If not, see <http://www.gnu.org/licenses/>.
- # Test that GDB behaves correctly when a "next" steps over a call, and
- # another thread hits a breakpoint that doesn't cause a user visible
- # stop (and so needs to be stepped over). GDB used to trip on an
- # invalid assertion - PR17408.
- standard_testfile
- if {[build_executable "failed to prepare" $testfile $srcfile \
- {debug pthreads}] == -1} {
- return -1
- }
- # Test all "set scheduler-locking" variants.
- foreach schedlock {"off" "step" "on" } {
- with_test_prefix "schedlock=$schedlock" {
- clean_restart $binfile
- if ![runto_main] {
- continue
- }
- gdb_breakpoint [gdb_get_line_number "set wait-thread breakpoint here"]
- gdb_continue_to_breakpoint "run to wait-thread breakpoint"
- gdb_test "info threads" "\\\* 1 .* 2 .*" "info threads shows all threads"
- delete_breakpoints
- gdb_breakpoint [gdb_get_line_number "set breakpoint child here"]
- # Give it a condition that always fails.
- gdb_test "condition \$bpnum global_zero == 1" ".*"
- gdb_test_no_output "set scheduler-locking $schedlock"
- # While stepping over the sleep call, the other thread hits a
- # breakpoint that doesn't cause a user visible stop (and so
- # needs to be stepped over). The next should complete as if
- # that breakpoint never triggered.
- gdb_test "next" "EXIT_SUCCESS.*" "next over function call"
- }
- }
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