1# Copyright 2021-2023 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 handles well a thread exiting with sched-lock on. A buggy GDB 17# would hang, a fixed GDB shows the "No unwaited-for children left" message and 18# shows the prompt. 19# 20# The explanation for the original bug involved some threads with a pending 21# wait status, so we launch multiple threads, which very likely gives us that. 22 23standard_testfile 24 25if { [build_executable "failed to prepare" ${testfile} ${srcfile} \ 26 {debug pthreads additional_flags=-std=c99}] } { 27 return 28} 29 30proc do_test { } { 31 clean_restart $::binfile 32 33 # One of the launched threads will report a stop on thread_func. Some 34 # others will also stop on thread_func and have a pending status. 35 if { ![runto "thread_func"] } { 36 return 37 } 38 39 gdb_test_no_output "set scheduler-locking on" 40 gdb_test "continue" "No unwaited-for children left." 41} 42 43do_test 44