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3666a04883
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
232 lines
6.9 KiB
Plaintext
232 lines
6.9 KiB
Plaintext
# This testcase is part of GDB, the GNU debugger.
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# Copyright 2004-2021 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# This test verifies that a macro using backtrace can be applied to all threads
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# and will continue for each thread even though an error may occur in
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# backtracing one of the threads.
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standard_testfile
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if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable debug] != "" } {
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return -1
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}
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clean_restart ${binfile}
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#
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# Run to `main' where we begin our tests.
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#
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if ![runto_main] then {
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fail "can't run to main"
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return 0
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}
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# Break after all threads have been started.
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set break_line [gdb_get_line_number "Break here"]
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gdb_test "b $break_line" ".*"
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gdb_test "continue"
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gdb_test_multiple "define backthread" "defining macro" {
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-re "Type commands for definition of \"backthread\".\r\nEnd with a line saying just \"end\".\r\n>$" {
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gdb_test_multiple "bt\np/x 20\nend" "macro details" {
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-re "$gdb_prompt $" {
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pass "macro details"
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}
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}
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pass "defining macro"
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}
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}
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# Cause backtraces to fail by setting a limit. This allows us to
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# verify that the macro can get past the backtrace error and perform
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# subsequent commands.
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gdb_test_no_output "set backtrace limit 3"
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gdb_test "thread apply all backthread" "Thread ..*\\\$\[0-9]+ = 0x14.*Thread ..*\\\$\[0-9]+ = 0x14.*Thread ..*\\\$\[0-9]+ = 0x14.*Thread ..*\\\$\[0-9]+ = 0x14.*Thread ..*\\\$\[0-9]+ = 0x14.*Thread ..*\\\$\[0-9]+ = 0x14"
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# Go into the thread_function to check that a simple "thread apply"
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# does not change the selected frame.
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gdb_test "step" "thread_function.*" "step to the thread_function"
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gdb_test "up" ".*in main.*" "go up in the stack frame"
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gdb_test "thread apply all print 1" "Thread ..*\\\$\[0-9]+ = 1.*Thread ..*\\\$\[0-9]+ = 1.*Thread ..*\\\$\[0-9]+ = 1.*Thread ..*\\\$\[0-9]+ = 1.*Thread ..*\\\$\[0-9]+ = 1.*Thread ..*\\\$\[0-9]+ = 1" "run a simple print command on all threads"
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gdb_test "down" "#0.*thread_function.*" "go down and check selected frame"
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# Make sure that GDB doesn't crash when the previously selected thread
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# exits due to the command run via thread apply. Regression test for
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# PR threads/13217.
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proc thr_apply_detach {thread_set} {
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with_test_prefix "thread apply $thread_set" {
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global binfile
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global break_line
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clean_restart ${binfile}
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if ![runto_main] {
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fail "can't run to main"
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return -1
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}
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gdb_breakpoint "$break_line"
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gdb_continue_to_breakpoint "all threads started"
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gdb_test "thread apply $thread_set detach" "Thread .*"
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gdb_test "thread" "No thread selected" "switched to no thread selected"
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}
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}
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# Test both "all" and a thread list, because those are implemented as
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# different commands in GDB.
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foreach thread_set {"all" "1.1 1.2 1.3"} {
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thr_apply_detach $thread_set
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}
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# Test killing and removing inferiors from a command run via "thread
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# apply THREAD_SET". THREAD_SET can be either "1.1", or "all". GDB
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# used to mistakenly allow deleting the previously-selected inferior,
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# in some cases, leading to crashes.
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proc kill_and_remove_inferior {thread_set} {
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global binfile
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global gdb_prompt
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# The test starts multiple inferiors, therefore non-extended
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# remote is not supported.
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if [use_gdb_stub] {
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unsupported "using gdb stub"
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return
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}
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set any "\[^\r\n\]*"
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set ws "\[ \t\]\+"
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clean_restart ${binfile}
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with_test_prefix "start inferior 1" {
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runto_main
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}
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# Add and start inferior number NUM.
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proc add_and_start_inferior {num} {
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global binfile
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# Start another inferior.
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gdb_test "add-inferior" "Added inferior $num.*" \
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"add empty inferior $num"
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gdb_test "inferior $num" "Switching to inferior $num.*" \
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"switch to inferior $num"
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gdb_test "file ${binfile}" ".*" "load file in inferior $num"
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with_test_prefix "start inferior $num" {
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runto_main
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}
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}
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# Start another inferior.
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add_and_start_inferior 2
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# And yet another.
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add_and_start_inferior 3
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gdb_test "thread 2.1" "Switching to thread 2.1 .*"
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# Try removing an active inferior via a "thread apply" command.
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# Should fail/warn.
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with_test_prefix "try remove" {
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gdb_define_cmd "remove" {
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"remove-inferiors 3"
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}
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# Inferior 3 is still alive, so can't remove it.
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gdb_test "thread apply $thread_set remove" \
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"warning: Can not remove active inferior 3.*"
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# Check that GDB restored the selected thread.
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gdb_test "thread" "Current thread is 2.1 .*"
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gdb_test "info inferiors" \
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[multi_line \
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"${ws}1${ws}process ${any}" \
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"\\\* 2${ws}process ${any}" \
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"${ws}3${ws}process ${any}" \
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]
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}
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# Kill and try to remove inferior 2 while inferior 2 is selected.
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# Removing the inferior should fail/warn.
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with_test_prefix "try kill-and-remove" {
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# The "inferior 1" command works around PR gdb/19318 ("kill
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# inferior N" shouldn't switch to inferior N).
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gdb_define_cmd "kill-and-remove" {
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"kill inferiors 2"
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"inferior 1"
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"remove-inferiors 2"
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}
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# Note that when threads=1.1, this makes sure we're really
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# testing failure to remove the inferior the user had selected
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# before the "thread apply" command, instead of testing
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# refusal to remove the currently-iterated inferior.
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gdb_test "thread apply $thread_set kill-and-remove" \
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"warning: Can not remove current inferior 2.*"
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gdb_test "thread" "No thread selected" \
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"switched to no thread selected"
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gdb_test "info inferiors" \
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[multi_line \
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"${ws}1${ws}process ${any}" \
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"\\\* 2${ws}<null>${any}" \
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"${ws}3${ws}process ${any}" \
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]
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}
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# Try removing (the now dead) inferior 2 while inferior 1 is
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# selected. This should succeed.
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with_test_prefix "try remove 2" {
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gdb_test "thread 1.1" "Switching to thread 1.1 .*"
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gdb_define_cmd "remove-again" {
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"remove-inferiors 2"
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}
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set test "thread apply $thread_set remove-again"
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gdb_test_multiple $test $test {
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-re "warning: Can not remove.*$gdb_prompt $" {
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fail $test
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}
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-re "$gdb_prompt $" {
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pass $test
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}
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}
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gdb_test "thread" "Current thread is 1.1 .*"
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# Check that only inferiors 1 and 3 are around.
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gdb_test "info inferiors" \
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[multi_line \
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"\\\* 1${ws}process ${any}" \
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"${ws}3${ws}process ${any}" \
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]
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}
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}
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# Test both "all" and a thread list, because those are implemented as
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# different commands in GDB.
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foreach_with_prefix thread_set {"all" "1.1"} {
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kill_and_remove_inferior $thread_set
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}
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