1 # Copyright 2008-2015 Free Software Foundation, Inc.
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.
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.
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/>.
16 # This test was created by modifying attach-stopped.exp.
17 # This file was created by Jan Kratochvil <jan.kratochvil@redhat.com>.
19 # This test only works on Linux
20 if { ![isnative] || [is_remote host] || [target_info exists use_gdb_stub]
21 || ![istarget *-linux*] } {
26 set executable_nothr ${testfile}-nothr
27 set executable_thr ${testfile}-thr
29 proc corefunc { threadtype executable } {
35 with_test_prefix "$threadtype" {
36 clean_restart ${executable}
38 set binfile [standard_output_file $executable]
39 set escapedbinfile [string_to_regexp ${binfile}]
41 if [get_compiler_info] {
45 gdb_test "handle SIGALRM stop print pass" "Yes.*Yes.*Yes.*"
47 set test_spawn_id [spawn_wait_for_attach $binfile]
48 set testpid [spawn_id_get_pid $test_spawn_id]
50 # Run 2 passes of the test.
51 # The C file inferior stops pending its signals if a single one is lost,
52 # we test successful redelivery of the caught signal by the 2nd pass.
54 # linux-2.6.20.4.x86_64 had maximal attempt # 20 in 4 test runs.
58 while { $passes < 3 && $attempt <= $attempts } {
59 with_test_prefix "attempt $attempt" {
61 while { $stoppedtry < 10 } {
62 with_test_prefix "stoppedtry $stoppedtry" {
63 if [catch {open /proc/${testpid}/status r} fileid] {
71 if {![string match "*(stopped)*" $line2]} {
72 # No PASS message as we may be looping in multiple
77 set stoppedtry [expr $stoppedtry + 1]
80 if { $stoppedtry >= 10 } {
82 set test "process is still running on the attempt # $attempt of $attempts"
87 set test "attach (pass $passes), pending signal catch"
88 if {[gdb_test_multiple "attach $testpid" $test {
89 -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*Program received signal SIGALRM.*$gdb_prompt $" {
92 verbose -log "$test succeeded on the attempt # $attempt of $attempts"
93 set passes [expr $passes + 1]
95 -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*$gdb_prompt $" {
98 if { $threadtype == "threaded" } {
99 # In the threaded case, the signal is left
100 # pending on the second thread. Check for
101 # that by peeking at the thread's siginfo.
102 # SIGALRM is 14, SIGSTOP is 19.
104 set test2 "thread apply 2 print \$_siginfo.si_signo"
105 gdb_test_multiple $test2 $test2 {
106 -re " = 14\r\n$gdb_prompt $" {
109 -re " = 19\r\n$gdb_prompt $" {
113 # In the nonthreaded case, GDB should tell the
114 # user about having seen a signal.
118 # We just lack the luck, we should try it again.
119 set attempt [expr $attempt + 1]
122 verbose -log "$test succeeded on the attempt # $attempt of $attempts"
123 set passes [expr $passes + 1]
130 gdb_test "detach" "Detaching from.*" ""
135 if {$attempt > $attempts} {
142 # Exit and detach the process.
145 # Continue the program - some Linux kernels need it before -9 if the
146 # process is stopped.
147 remote_exec build "kill -s CONT ${testpid}"
149 kill_wait_spawned_process $test_spawn_id
153 # build the test case first without threads
155 if {[build_executable $testfile $executable_nothr $srcfile] == -1} {
156 untested "attach-into-signal.exp (nonthreaded)"
160 corefunc nonthreaded ${executable_nothr}
162 # build the test case also with threads
164 if { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" [standard_output_file ${executable_thr}] executable {debug additional_flags=-DUSE_THREADS}] != "" } {
165 untested "attach-into-signal.exp (threaded)"
169 corefunc threaded ${executable_thr}