| # This testcase is part of GDB, the GNU debugger. |
| |
| # Copyright 2020-2021 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 receiving TARGET_WAITKIND_SIGNALLED events from multiple |
| # inferiors. In all stop-mode, upon receiving the exit event from one |
| # of the inferiors, GDB will try to stop the other inferior, too. So, |
| # a stop request will be sent. Receiving a TARGET_WAITKIND_SIGNALLED |
| # status kind as a response to that stop request instead of a |
| # TARGET_WAITKIND_STOPPED should be handled by GDB without problems. |
| |
| standard_testfile |
| |
| if {[use_gdb_stub]} { |
| return 0 |
| } |
| |
| if {[build_executable "failed to prepare" $testfile $srcfile {debug}]} { |
| return -1 |
| } |
| |
| # We are testing GDB's ability to stop all threads. |
| # Hence, go with the all-stop-on-top-of-non-stop mode. |
| save_vars { GDBFLAGS } { |
| append GDBFLAGS " -ex \"maint set target-non-stop on\"" |
| clean_restart ${binfile} |
| } |
| |
| # Wrap the entire test in a namespace to avoid contaminating other tests. |
| namespace eval $testfile { |
| |
| # Start inferior NUM and record its PID in the TESTPID array. |
| |
| proc start_inferior {num} { |
| with_test_prefix "start_inferior $num" { |
| variable testpid |
| global binfile srcfile |
| |
| if {$num != 1} { |
| gdb_test "add-inferior" "Added inferior .*" \ |
| "add empty inferior" |
| gdb_test "inferior $num" "Switching to inferior .*" \ |
| "switch to inferior" |
| } |
| |
| gdb_load $binfile |
| |
| gdb_breakpoint "initialized" {temporary} |
| gdb_run_cmd |
| gdb_test "" ".*reakpoint .*, initialized .*${srcfile}.*" "run" |
| |
| set testpid($num) [get_integer_valueof "pid" -1] |
| if {$testpid($num) == -1} { |
| return -1 |
| } |
| |
| return 0 |
| } |
| } |
| |
| # Sufficient inferiors to make sure that at least some other inferior |
| # is killed while we're handling a killed event. |
| set NUM_INFS 10 |
| |
| # The array holding each inferior's PID, indexed by inferior number. |
| variable testpid |
| array set testpid {} |
| |
| for {set i 1} {$i <= $NUM_INFS} {incr i} { |
| if {[start_inferior $i] < 0} { |
| return -1 |
| } |
| } |
| |
| # We want to continue all processes. |
| gdb_test_no_output "set schedule-multiple on" |
| |
| # Resume, but then kill all from outside. |
| gdb_test_multiple "continue" "continue processes" { |
| -re "Continuing.\[\r\n\]+" { |
| # Kill all processes at once. |
| |
| set kill_cmd "kill -9" |
| for {set i 1} {$i <= $NUM_INFS} {incr i} { |
| append kill_cmd " $testpid($i)" |
| } |
| |
| remote_exec target $kill_cmd |
| exp_continue |
| } |
| -re "Program terminated with signal.*$gdb_prompt $" { |
| pass $gdb_test_name |
| } |
| } |
| |
| # Check that "continue" collects the process kill event, as many times |
| # as we have inferiors left. |
| |
| for {set i 2} {$i <= $NUM_INFS} {incr i} { |
| with_test_prefix "inf $i" { |
| set live_inferior "" |
| |
| # Pick any live inferior. |
| gdb_test_multiple "info inferiors" "" { |
| -re "($decimal) *process.*$gdb_prompt $" { |
| set live_inferior $expect_out(1,string) |
| } |
| } |
| |
| if {$live_inferior == ""} { |
| return -1 |
| } |
| |
| gdb_test "inferior $live_inferior" \ |
| ".*Switching to inferior $live_inferior.*" \ |
| "switch to inferior" |
| |
| gdb_test "continue" \ |
| "Program terminated with signal SIGKILL, .*" \ |
| "continue to SIGKILL" |
| } |
| } |
| |
| } |