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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
# This testcase is part of GDB, the GNU debugger.
# Copyright 2020-2023 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 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
require !use_gdb_stub
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"
}
}
}
|
