| # 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 attaching to a multi-threaded process, in all combinations of: |
| # |
| # - set non-stop on/off |
| # - maint target non-stop off/on |
| # - "attach" vs "attach &" |
| |
| if {![can_spawn_for_attach]} { |
| return 0 |
| } |
| |
| standard_testfile |
| |
| # The test proper. See description above. |
| |
| proc test {target_non_stop non_stop cmd} { |
| global binfile srcfile |
| global gdb_prompt |
| global decimal |
| global GDBFLAGS |
| |
| # Number of threads started by the program. |
| set n_threads 10 |
| |
| save_vars { GDBFLAGS } { |
| append GDBFLAGS " -ex \"maint set target-non-stop $target_non_stop\"" |
| append GDBFLAGS " -ex \"set non-stop $non_stop\"" |
| clean_restart $binfile |
| } |
| |
| set test_spawn_id [spawn_wait_for_attach $binfile] |
| set testpid [spawn_id_get_pid $test_spawn_id] |
| |
| set attached 0 |
| set test "attach" |
| set any "\[^\r\n\]*" |
| |
| if {$cmd == "attach"} { |
| gdb_test_multiple "attach $testpid" $test { |
| -re "Attaching to program:${any}process $testpid\r\n.*$gdb_prompt " { |
| pass $test |
| set attached 1 |
| } |
| } |
| |
| if {!$attached} { |
| kill_wait_spawned_process $test_spawn_id |
| return |
| } |
| |
| if {$non_stop} { |
| # In non-stop, we will see one stop per thread after |
| # the prompt. |
| set stops 0 |
| set test "seen all stops" |
| for {set thread 1} { $thread <= $n_threads } { incr thread } { |
| gdb_test_multiple "" $test { |
| -re "Thread $::decimal ${any} stopped" { |
| incr stops |
| } |
| } |
| } |
| |
| # If we haven't seen all stops, then the gdb_test_multiple |
| # in the loop above will have already issued a FAIL. |
| if {$stops == $n_threads} { |
| pass $test |
| } |
| } |
| |
| gdb_test_multiple "info threads" "" { |
| -re "\\(running\\).*$gdb_prompt $" { |
| fail $gdb_test_name |
| } |
| -re "$gdb_prompt $" { |
| pass $gdb_test_name |
| } |
| } |
| } else { |
| gdb_test_multiple "attach $testpid &" $test { |
| -re "Attaching to program:${any}process $testpid\r\n.*$gdb_prompt " { |
| pass $test |
| set attached 1 |
| } |
| } |
| |
| if {!$attached} { |
| kill_wait_spawned_process $test_spawn_id |
| return |
| } |
| |
| set running_count 0 |
| gdb_test_multiple "info threads" "all threads running" { |
| -re "\\(running\\)" { |
| incr running_count |
| exp_continue |
| } |
| -re "Cannot execute this command while the target is running.*$gdb_prompt $" { |
| # Testing against a remote server that doesn't do |
| # non-stop mode. Explicitly interrupt. This doesn't |
| # test the same code paths in GDB, but it's still |
| # something. |
| gdb_test_multiple "interrupt" "" { |
| -re "$gdb_prompt " { |
| gdb_test_multiple "" $gdb_test_name { |
| -re "received signal SIGINT, Interrupt" { |
| pass $gdb_test_name |
| } |
| } |
| } |
| } |
| } |
| -re "$gdb_prompt $" { |
| gdb_assert {$running_count == ($n_threads + 1)} $gdb_test_name |
| } |
| } |
| } |
| |
| gdb_test "detach" "Detaching from.*" |
| |
| kill_wait_spawned_process $test_spawn_id |
| } |
| |
| if {[build_executable "failed to prepare" $testfile $srcfile {debug pthreads}] == -1} { |
| return -1 |
| } |
| |
| foreach_with_prefix target-non-stop {"off" "on"} { |
| foreach_with_prefix non-stop {"off" "on"} { |
| foreach_with_prefix cmd {"attach" "attach&"} { |
| test ${target-non-stop} ${non-stop} ${cmd} |
| } |
| } |
| } |