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4c38e0a4 | 1 | # Copyright 2008, 2009, 2010 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 | |
20 | if { ![isnative] || [is_remote host] || ![istarget *-linux*] } { | |
21 | continue | |
22 | } | |
23 | ||
24 | set testfile "attach-into-signal" | |
25 | set srcfile ${testfile}.c | |
26 | set binfile ${objdir}/${subdir}/${testfile} | |
27 | set escapedbinfile [string_to_regexp ${objdir}/${subdir}/${testfile}] | |
28 | ||
29 | remote_exec build "rm -f ${binfile}" | |
30 | # For debugging this test | |
31 | # | |
32 | #log_user 1 | |
33 | ||
34 | proc corefunc { threadtype } { | |
35 | global srcfile | |
36 | global binfile | |
37 | global escapedbinfile | |
38 | global srcdir | |
39 | global subdir | |
40 | global gdb_prompt | |
41 | ||
42 | if [get_compiler_info ${binfile}] { | |
43 | return -1 | |
44 | } | |
45 | ||
46 | # Start the program running and then wait for a bit, to be sure | |
47 | # that it can be attached to. | |
48 | # Statistically there is a better chance without giving process a nice. | |
49 | ||
50 | set testpid [eval exec $binfile &] | |
51 | exec sleep 2 | |
52 | ||
53 | # Run 2 passes of the test. | |
54 | # The C file inferior stops pending its signals if a single one is lost, | |
55 | # we test successful redelivery of the caught signal by the 2nd pass. | |
56 | ||
57 | # linux-2.6.20.4.x86_64 had maximal attempt # 20 in 4 test runs. | |
58 | set attempts 100 | |
59 | set attempt 1 | |
60 | set passes 1 | |
61 | while { $passes < 3 && $attempt <= $attempts } { | |
62 | set stoppedtry 0 | |
63 | while { $stoppedtry < 10 } { | |
64 | if [catch {open /proc/${testpid}/status r} fileid] { | |
65 | set stoppedtry 10 | |
66 | break | |
67 | } | |
68 | gets $fileid line1; | |
69 | gets $fileid line2; | |
70 | close $fileid; | |
71 | ||
72 | if {![string match "*(stopped)*" $line2]} { | |
73 | # No PASS message as we may be looping in multiple attempts. | |
74 | break | |
75 | } | |
76 | sleep 1 | |
77 | set stoppedtry [expr $stoppedtry + 1] | |
78 | } | |
79 | if { $stoppedtry >= 10 } { | |
80 | verbose -log $line2 | |
81 | set test "$threadtype: process is still running on the attempt # $attempt of $attempts" | |
82 | break | |
83 | } | |
84 | ||
85 | # Main test: | |
86 | set test "$threadtype: attach (pass $passes), pending signal catch" | |
87 | if {[gdb_test_multiple "attach $testpid" $test { | |
88 | -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*Received Alarm clock.*$gdb_prompt $" { | |
89 | # nonthreaded: | |
90 | pass $test | |
91 | verbose -log "$test succeeded on the attempt # $attempt of $attempts" | |
92 | set passes [expr $passes + 1] | |
93 | } | |
94 | -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*$gdb_prompt $" { | |
95 | # nonthreaded: | |
96 | # We just lack the luck, we should try it again. | |
97 | set attempt [expr $attempt + 1] | |
98 | } | |
99 | -re "Attaching to process $testpid.*Received Alarm clock.*$gdb_prompt $" { | |
100 | # threaded: | |
101 | pass $test | |
102 | verbose -log "$test succeeded on the attempt # $attempt of $attempts" | |
103 | set passes [expr $passes + 1] | |
104 | } | |
105 | -re "Attaching to process $testpid.*$gdb_prompt $" { | |
106 | # threaded: | |
107 | # We just lack the luck, we should try it again. | |
108 | set attempt [expr $attempt - 1] | |
109 | } | |
110 | }] != 0 } { | |
111 | break | |
112 | } | |
113 | ||
114 | gdb_test "detach" "Detaching from.*" "" | |
115 | } | |
116 | if {$passes < 3} { | |
117 | if {$attempt > $attempts} { | |
118 | unresolved $test | |
119 | } else { | |
120 | fail $test | |
121 | } | |
122 | } | |
123 | ||
124 | # Exit and detach the process. | |
125 | ||
126 | gdb_exit | |
127 | ||
128 | # Make sure we don't leave a process around to confuse | |
129 | # the next test run (and prevent the compile by keeping | |
130 | # the text file busy), in case the "set should_exit" didn't | |
131 | # work. | |
132 | ||
133 | # Continue the program - some Linux kernels need it before -9 if the | |
134 | # process is stopped. | |
135 | remote_exec build "kill -s CONT ${testpid}" | |
136 | ||
137 | remote_exec build "kill -9 ${testpid}" | |
138 | } | |
139 | ||
140 | # Start with clean gdb | |
141 | gdb_exit | |
142 | ||
143 | # build the test case first without threads | |
144 | # | |
145 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
c7a6ca08 PA |
146 | untested "attach-into-signal.exp (unthreaded)" |
147 | return -1 | |
a0ef4274 DJ |
148 | } |
149 | ||
150 | gdb_start | |
151 | gdb_reinitialize_dir $srcdir/$subdir | |
152 | gdb_load ${binfile} | |
153 | gdb_test "set debug lin-lwp 1" "" "" | |
154 | ||
155 | corefunc nonthreaded | |
156 | ||
157 | # build the test case also with threads | |
158 | # | |
159 | if { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DUSE_THREADS}] != "" } { | |
c7a6ca08 PA |
160 | untested "attach-into-signal.exp (threaded)" |
161 | return -1 | |
a0ef4274 DJ |
162 | } |
163 | ||
164 | gdb_start | |
165 | gdb_reinitialize_dir $srcdir/$subdir | |
166 | gdb_load ${binfile} | |
167 | gdb_test "set debug lin-lwp 1" "" "" | |
168 | ||
169 | corefunc threaded |