1 # Copyright 2008-2024 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 require can_spawn_for_attach
22 require {!is_remote host}
23 require {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 gdb_test "handle SIGALRM stop print pass" "Yes.*Yes.*Yes.*"
43 set test_spawn_id [spawn_wait_for_attach $binfile]
44 set testpid [spawn_id_get_pid $test_spawn_id]
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.
50 # linux-2.6.20.4.x86_64 had maximal attempt # 20 in 4 test runs.
54 while { $passes < 3 && $attempt <= $attempts } {
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 $" {
60 verbose -log "$test succeeded on the attempt # $attempt of $attempts"
61 set passes [expr $passes + 1]
63 -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*$gdb_prompt $" {
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.
72 set test2 "thread apply 2 print \$_siginfo.si_signo"
73 gdb_test_multiple $test2 $test2 {
74 -re " = 14\r\n$gdb_prompt $" {
77 -re " = 19\r\n$gdb_prompt $" {
81 # In the nonthreaded case, GDB should tell the
82 # user about having seen a signal.
86 # We just lack the luck, we should try it again.
87 set attempt [expr $attempt + 1]
90 verbose -log "$test succeeded on the attempt # $attempt of $attempts"
91 set passes [expr $passes + 1]
98 gdb_test -nopass "detach" "Detaching from.*"
102 if {$attempt > $attempts} {
109 # Exit and detach the process.
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}"
116 kill_wait_spawned_process $test_spawn_id
120 # build the test case first without threads
122 if {[build_executable $testfile $executable_nothr $srcfile] == -1} {
123 untested "attach-into-signal.exp (nonthreaded)"
127 corefunc nonthreaded ${executable_nothr}
129 # build the test case also with threads
131 if { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" [standard_output_file ${executable_thr}] executable {debug additional_flags=-DUSE_THREADS}] != "" } {
132 untested "attach-into-signal.exp (threaded)"
136 corefunc threaded ${executable_thr}