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# Copyright (C) 2014-2018 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 {[prepare_for_testing "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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