137 lines
3.6 KiB
Text
137 lines
3.6 KiB
Text
# This testcase is part of GDB, the GNU debugger.
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# Copyright 2020-2022 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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# Test receiving TARGET_WAITKIND_SIGNALLED events from multiple
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# inferiors. In all stop-mode, upon receiving the exit event from one
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# of the inferiors, GDB will try to stop the other inferior, too. So,
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# a stop request will be sent. Receiving a TARGET_WAITKIND_SIGNALLED
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# status kind as a response to that stop request instead of a
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# TARGET_WAITKIND_STOPPED should be handled by GDB without problems.
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standard_testfile
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if {[use_gdb_stub]} {
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return 0
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}
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if {[build_executable "failed to prepare" $testfile $srcfile {debug}]} {
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return -1
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}
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# We are testing GDB's ability to stop all threads.
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# Hence, go with the all-stop-on-top-of-non-stop mode.
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save_vars { GDBFLAGS } {
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append GDBFLAGS " -ex \"maint set target-non-stop on\""
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clean_restart ${binfile}
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}
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# Wrap the entire test in a namespace to avoid contaminating other tests.
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namespace eval $testfile {
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# Start inferior NUM and record its PID in the TESTPID array.
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proc start_inferior {num} {
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with_test_prefix "start_inferior $num" {
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variable testpid
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global binfile srcfile
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if {$num != 1} {
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gdb_test "add-inferior" "Added inferior .*" \
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"add empty inferior"
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gdb_test "inferior $num" "Switching to inferior .*" \
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"switch to inferior"
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}
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gdb_load $binfile
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gdb_breakpoint "initialized" {temporary}
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gdb_run_cmd
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gdb_test "" ".*reakpoint .*, initialized .*${srcfile}.*" "run"
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set testpid($num) [get_integer_valueof "pid" -1]
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if {$testpid($num) == -1} {
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return -1
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}
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return 0
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}
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}
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# Sufficient inferiors to make sure that at least some other inferior
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# is killed while we're handling a killed event.
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set NUM_INFS 10
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# The array holding each inferior's PID, indexed by inferior number.
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variable testpid
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array set testpid {}
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for {set i 1} {$i <= $NUM_INFS} {incr i} {
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if {[start_inferior $i] < 0} {
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return -1
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}
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}
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# We want to continue all processes.
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gdb_test_no_output "set schedule-multiple on"
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# Resume, but then kill all from outside.
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gdb_test_multiple "continue" "continue processes" {
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-re "Continuing.\[\r\n\]+" {
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# Kill all processes at once.
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set kill_cmd "kill -9"
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for {set i 1} {$i <= $NUM_INFS} {incr i} {
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append kill_cmd " $testpid($i)"
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}
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remote_exec target $kill_cmd
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exp_continue
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}
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-re "Program terminated with signal.*$gdb_prompt $" {
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pass $gdb_test_name
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}
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}
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# Check that "continue" collects the process kill event, as many times
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# as we have inferiors left.
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for {set i 2} {$i <= $NUM_INFS} {incr i} {
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with_test_prefix "inf $i" {
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set live_inferior ""
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# Pick any live inferior.
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gdb_test_multiple "info inferiors" "" {
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-re "($decimal) *process.*$gdb_prompt $" {
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set live_inferior $expect_out(1,string)
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}
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}
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if {$live_inferior == ""} {
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return -1
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}
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gdb_test "inferior $live_inferior" \
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".*Switching to inferior $live_inferior.*" \
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"switch to inferior"
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gdb_test "continue" \
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"Program terminated with signal SIGKILL, .*" \
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"continue to SIGKILL"
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}
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}
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}
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