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213516ef | 1 | # Copyright 2008-2023 Free Software Foundation, Inc. |
a0ef4274 DJ |
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 | # This test was created by modifying attach-stopped.exp. | |
17 | # This file was created by Jan Kratochvil <jan.kratochvil@redhat.com>. | |
18 | ||
19 | # This test only works on Linux | |
8ce7423f TT |
20 | require !use_gdb_stub |
21 | if { ![isnative] || [is_remote host] || ![istarget *-linux*] } { | |
cdd42066 | 22 | return |
a0ef4274 DJ |
23 | } |
24 | ||
0efbbabc | 25 | standard_testfile |
cc51a170 PA |
26 | set executable_nothr ${testfile}-nothr |
27 | set executable_thr ${testfile}-thr | |
a0ef4274 | 28 | |
cc51a170 | 29 | proc corefunc { threadtype executable } { |
a0ef4274 | 30 | global srcfile |
a0ef4274 DJ |
31 | global srcdir |
32 | global subdir | |
33 | global gdb_prompt | |
cc51a170 | 34 | |
13fc3e3c PA |
35 | with_test_prefix "$threadtype" { |
36 | clean_restart ${executable} | |
cc51a170 | 37 | |
0efbbabc TT |
38 | set binfile [standard_output_file $executable] |
39 | set escapedbinfile [string_to_regexp ${binfile}] | |
cc51a170 | 40 | |
13fc3e3c PA |
41 | gdb_test "handle SIGALRM stop print pass" "Yes.*Yes.*Yes.*" |
42 | ||
2c8c5d37 PA |
43 | set test_spawn_id [spawn_wait_for_attach $binfile] |
44 | set testpid [spawn_id_get_pid $test_spawn_id] | |
13fc3e3c PA |
45 | |
46 | # Run 2 passes of the test. | |
47 | # The C file inferior stops pending its signals if a single one is lost, | |
48 | # we test successful redelivery of the caught signal by the 2nd pass. | |
49 | ||
50 | # linux-2.6.20.4.x86_64 had maximal attempt # 20 in 4 test runs. | |
51 | set attempts 100 | |
52 | set attempt 1 | |
53 | set passes 1 | |
54 | while { $passes < 3 && $attempt <= $attempts } { | |
eb2bfbad PA |
55 | set test "attach (pass $passes), pending signal catch" |
56 | if {[gdb_test_multiple "attach $testpid" $test { | |
57 | -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.* received signal SIGALRM.*$gdb_prompt $" { | |
58 | # nonthreaded: | |
59 | pass $test | |
60 | verbose -log "$test succeeded on the attempt # $attempt of $attempts" | |
61 | set passes [expr $passes + 1] | |
62 | } | |
63 | -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*$gdb_prompt $" { | |
64 | set ok 0 | |
65 | ||
66 | if { $threadtype == "threaded" } { | |
67 | # In the threaded case, the signal is left | |
68 | # pending on the second thread. Check for | |
69 | # that by peeking at the thread's siginfo. | |
70 | # SIGALRM is 14, SIGSTOP is 19. | |
71 | ||
72 | set test2 "thread apply 2 print \$_siginfo.si_signo" | |
73 | gdb_test_multiple $test2 $test2 { | |
74 | -re " = 14\r\n$gdb_prompt $" { | |
75 | set ok 1 | |
76 | } | |
77 | -re " = 19\r\n$gdb_prompt $" { | |
7da5b897 | 78 | } |
7da5b897 | 79 | } |
eb2bfbad PA |
80 | } else { |
81 | # In the nonthreaded case, GDB should tell the | |
82 | # user about having seen a signal. | |
83 | } | |
7da5b897 | 84 | |
eb2bfbad PA |
85 | if { $ok == 0} { |
86 | # We just lack the luck, we should try it again. | |
87 | set attempt [expr $attempt + 1] | |
88 | } else { | |
89 | pass $test | |
90 | verbose -log "$test succeeded on the attempt # $attempt of $attempts" | |
91 | set passes [expr $passes + 1] | |
7da5b897 | 92 | } |
c5a006e6 | 93 | } |
eb2bfbad PA |
94 | }] != 0 } { |
95 | break | |
96 | } | |
a0ef4274 | 97 | |
cce0ae56 | 98 | gdb_test -nopass "detach" "Detaching from.*" |
13fc3e3c | 99 | } |
7da5b897 | 100 | |
13fc3e3c PA |
101 | if {$passes < 3} { |
102 | if {$attempt > $attempts} { | |
103 | unresolved $test | |
104 | } else { | |
105 | fail $test | |
106 | } | |
a0ef4274 | 107 | } |
a0ef4274 | 108 | |
13fc3e3c | 109 | # Exit and detach the process. |
13fc3e3c | 110 | gdb_exit |
a0ef4274 | 111 | |
13fc3e3c PA |
112 | # Continue the program - some Linux kernels need it before -9 if the |
113 | # process is stopped. | |
114 | remote_exec build "kill -s CONT ${testpid}" | |
7da5b897 | 115 | |
2c8c5d37 | 116 | kill_wait_spawned_process $test_spawn_id |
13fc3e3c | 117 | } |
cc51a170 | 118 | } |
a0ef4274 DJ |
119 | |
120 | # build the test case first without threads | |
121 | # | |
cc51a170 PA |
122 | if {[build_executable $testfile $executable_nothr $srcfile] == -1} { |
123 | untested "attach-into-signal.exp (nonthreaded)" | |
c7a6ca08 | 124 | return -1 |
a0ef4274 DJ |
125 | } |
126 | ||
cc51a170 | 127 | corefunc nonthreaded ${executable_nothr} |
a0ef4274 DJ |
128 | |
129 | # build the test case also with threads | |
130 | # | |
0efbbabc | 131 | if { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" [standard_output_file ${executable_thr}] executable {debug additional_flags=-DUSE_THREADS}] != "" } { |
c7a6ca08 PA |
132 | untested "attach-into-signal.exp (threaded)" |
133 | return -1 | |
a0ef4274 DJ |
134 | } |
135 | ||
cc51a170 | 136 | corefunc threaded ${executable_thr} |