70 lines
2.3 KiB
Text
70 lines
2.3 KiB
Text
# Copyright 2021-2022 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 that GDB does not crash when it is started without a terminal /
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# without readline, and, it receives a SIGWINCH. Regression test for
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# PR gdb/26056.
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if [target_info exists gdb,nosignals] {
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verbose "Skipping $subdir/$gdb_test_file_name.exp because of nosignals."
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return
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}
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# The testfile relies on "run" from the command line, so only works
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# with "target native".
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if { [target_info gdb_protocol] != "" } {
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return
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}
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gdb_exit
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# Start GDB without a terminal, running sleep for a while. Before the
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# sleep exits, we'll send a SIGWINCH. "show editing" to double check
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# that readline is disabled.
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save_vars { GDB GDBFLAGS } {
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set GDB "$srcdir/lib/notty-wrap $GDB"
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set GDBFLAGS "$GDBFLAGS -ex \"show editing\" -ex run --args sleep 3"
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gdb_spawn
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}
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set gdb_pid [exp_pid -i $gdb_spawn_id]
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verbose -log "gdb_spawn_id=$gdb_spawn_id"
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verbose -log "gdb_pid=$gdb_pid"
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after 1000 {
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# Note, GDB is started under a shell, so PID is actually the
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# shell's pid, not GDB's. Use "-PID" to send the signal to the
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# whole process group and reach GDB, instead of just to the shell.
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remote_exec host "kill -SIGWINCH -${gdb_pid}"
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}
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# If GDB mishandles the SIGWINCH and crashes, that happens before we
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# see the "inferior exited normally" message, so this will ERROR with
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# eof.
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gdb_test_multiple "" "wait for sleep exit" {
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-re "Editing of command lines as they are typed is off.*$inferior_exited_re normally.*$gdb_prompt " {
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pass $gdb_test_name
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}
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}
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gdb_test_multiple "" "wait for gdb exit" {
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eof {
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set wait_status [wait -i $gdb_spawn_id]
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verbose -log "GDB process exited with wait status $wait_status"
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pass $gdb_test_name
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}
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}
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