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# Copyright 2021 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 handles well a thread exiting with sched-lock on. A buggy GDB
# would hang, a fixed GDB shows the "No unwaited-for children left" message and
# shows the prompt.
#
# The explanation for the original bug involved some threads with a pending
# wait status, so we launch multiple threads, which very likely gives us that.
standard_testfile
if { [build_executable "failed to prepare" ${testfile} ${srcfile} {debug pthreads}] } {
return
}
proc do_test { } {
clean_restart $::binfile
# One of the launched threads will report a stop on thread_func. Some
# others will also stop on thread_func and have a pending status.
if { ![runto "thread_func"] } {
return
}
gdb_test_no_output "set scheduler-locking on"
gdb_test "continue" "No unwaited-for children left."
}
do_test
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