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1d506c26 | 1 | # Copyright 2021-2024 Free Software Foundation, Inc. |
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2 | |
3 | # This program is free software; you can redistribute it and/or modify | |
4 | # it under the terms of the GNU General Public License as published by | |
5 | # the Free Software Foundation; either version 3 of the License, or | |
6 | # (at your option) any later version. | |
7 | # | |
8 | # This program is distributed in the hope that it will be useful, | |
9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | # GNU General Public License for more details. | |
12 | # | |
13 | # You should have received a copy of the GNU General Public License | |
14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
15 | ||
16 | # Test that GDB does not crash when it is started without a terminal / | |
17 | # without readline, and, it receives a SIGWINCH. Regression test for | |
18 | # PR gdb/26056. | |
19 | ||
450d26c8 | 20 | require {!target_info exists gdb,nosignals} |
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21 | |
22 | # The testfile relies on "run" from the command line, so only works | |
23 | # with "target native". | |
24 | if { [target_info gdb_protocol] != "" } { | |
cdd42066 | 25 | return |
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26 | } |
27 | ||
28 | gdb_exit | |
29 | ||
30 | # Start GDB without a terminal, running sleep for a while. Before the | |
31 | # sleep exits, we'll send a SIGWINCH. "show editing" to double check | |
32 | # that readline is disabled. | |
33 | save_vars { GDB GDBFLAGS } { | |
34 | set GDB "$srcdir/lib/notty-wrap $GDB" | |
35 | set GDBFLAGS "$GDBFLAGS -ex \"show editing\" -ex run --args sleep 3" | |
36 | ||
37 | gdb_spawn | |
38 | } | |
39 | ||
40 | set gdb_pid [exp_pid -i $gdb_spawn_id] | |
41 | ||
42 | verbose -log "gdb_spawn_id=$gdb_spawn_id" | |
43 | verbose -log "gdb_pid=$gdb_pid" | |
44 | ||
45 | after 1000 { | |
46 | # Note, GDB is started under a shell, so PID is actually the | |
47 | # shell's pid, not GDB's. Use "-PID" to send the signal to the | |
48 | # whole process group and reach GDB, instead of just to the shell. | |
803392dc | 49 | remote_exec host "kill -WINCH -${gdb_pid}" |
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50 | } |
51 | ||
52 | # If GDB mishandles the SIGWINCH and crashes, that happens before we | |
53 | # see the "inferior exited normally" message, so this will ERROR with | |
54 | # eof. | |
55 | gdb_test_multiple "" "wait for sleep exit" { | |
56 | -re "Editing of command lines as they are typed is off.*$inferior_exited_re normally.*$gdb_prompt " { | |
57 | pass $gdb_test_name | |
58 | } | |
59 | } | |
60 | ||
61 | gdb_test_multiple "" "wait for gdb exit" { | |
62 | eof { | |
63 | set wait_status [wait -i $gdb_spawn_id] | |
64 | verbose -log "GDB process exited with wait status $wait_status" | |
65 | pass $gdb_test_name | |
66 | } | |
67 | } |