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
|
# 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_EXITED 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_EXITED
# 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]} {
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}
}
# Start inferior NUM.
proc start_inferior {num} {
with_test_prefix "start_inferior $num" {
global srcfile binfile
if {$num != 1} {
gdb_test "add-inferior" "Added inferior $num.*" \
"add empty inferior"
gdb_test "inferior $num" "Switching to inferior $num.*" \
"switch to inferior"
}
gdb_load $binfile
if {[gdb_start_cmd] < 0} {
fail "could not start"
return -1
}
gdb_test "" ".*reakpoint .*, main .*${srcfile}.*" "start"
}
return 0
}
# Sufficient inferiors to make sure that at least some other inferior
# exits while we're handling a process exit event.
set NUM_INFS 10
for {set i 1} {$i <= $NUM_INFS} {incr i} {
if {[start_inferior $i] < 0} {
return -1
}
}
# We want to continue all processes.
gdb_test_no_output "set schedule-multiple on"
# Check that "continue" continues to the end of an inferior, as many
# times as we have inferiors.
for {set i 1} {$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 $live_inferior.*" \
"switch to another inferior"
set exited_inferior ""
# We want GDB to complete the command and return the prompt
# instead of going into an infinite loop.
gdb_test_multiple "continue" "continue" {
-re "Inferior ($decimal) \[^\n\r\]+ exited normally.*$gdb_prompt $" {
set exited_inferior $expect_out(1,string)
pass $gdb_test_name
}
}
if {$exited_inferior == ""} {
return -1
}
}
}
# Finally, check that we can re-run all inferiors. Note that if any
# inferior was still alive this would catch it, as "run" would query
# "Start it from the beginning?".
delete_breakpoints
for {set i 1} {$i <= $NUM_INFS} {incr i} {
with_test_prefix "inf $i" {
gdb_test "inferior $i" \
".*Switching to inferior $i.*" \
"switch to inferior for re-run"
gdb_test "run" "$inferior_exited_re normally\]" \
"re-run inferior"
}
}
|
