1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
# Copyright 2021-2023 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 that GDB does not crash when it is started without a terminal /
# without readline, and, it receives a SIGWINCH. Regression test for
# PR gdb/26056.
require {!target_info exists gdb,nosignals}
# The testfile relies on "run" from the command line, so only works
# with "target native".
if { [target_info gdb_protocol] != "" } {
return
}
gdb_exit
# Start GDB without a terminal, running sleep for a while. Before the
# sleep exits, we'll send a SIGWINCH. "show editing" to double check
# that readline is disabled.
save_vars { GDB GDBFLAGS } {
set GDB "$srcdir/lib/notty-wrap $GDB"
set GDBFLAGS "$GDBFLAGS -ex \"show editing\" -ex run --args sleep 3"
gdb_spawn
}
set gdb_pid [exp_pid -i $gdb_spawn_id]
verbose -log "gdb_spawn_id=$gdb_spawn_id"
verbose -log "gdb_pid=$gdb_pid"
after 1000 {
# Note, GDB is started under a shell, so PID is actually the
# shell's pid, not GDB's. Use "-PID" to send the signal to the
# whole process group and reach GDB, instead of just to the shell.
remote_exec host "kill -WINCH -${gdb_pid}"
}
# If GDB mishandles the SIGWINCH and crashes, that happens before we
# see the "inferior exited normally" message, so this will ERROR with
# eof.
gdb_test_multiple "" "wait for sleep exit" {
-re "Editing of command lines as they are typed is off.*$inferior_exited_re normally.*$gdb_prompt " {
pass $gdb_test_name
}
}
gdb_test_multiple "" "wait for gdb exit" {
eof {
set wait_status [wait -i $gdb_spawn_id]
verbose -log "GDB process exited with wait status $wait_status"
pass $gdb_test_name
}
}
|
