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141 lines
4.0 KiB
Plaintext
141 lines
4.0 KiB
Plaintext
# Copyright 2008-2020 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# This test was created by modifying attach-stopped.exp.
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# This file was created by Jan Kratochvil <jan.kratochvil@redhat.com>.
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# This test only works on Linux
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if { ![isnative] || [is_remote host] || [use_gdb_stub]
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|| ![istarget *-linux*] } {
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continue
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}
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standard_testfile
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set executable_nothr ${testfile}-nothr
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set executable_thr ${testfile}-thr
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proc corefunc { threadtype executable } {
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global srcfile
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global srcdir
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global subdir
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global gdb_prompt
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with_test_prefix "$threadtype" {
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clean_restart ${executable}
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set binfile [standard_output_file $executable]
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set escapedbinfile [string_to_regexp ${binfile}]
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if [get_compiler_info] {
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return -1
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}
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gdb_test "handle SIGALRM stop print pass" "Yes.*Yes.*Yes.*"
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set test_spawn_id [spawn_wait_for_attach $binfile]
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set testpid [spawn_id_get_pid $test_spawn_id]
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# Run 2 passes of the test.
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# The C file inferior stops pending its signals if a single one is lost,
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# we test successful redelivery of the caught signal by the 2nd pass.
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# linux-2.6.20.4.x86_64 had maximal attempt # 20 in 4 test runs.
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set attempts 100
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set attempt 1
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set passes 1
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while { $passes < 3 && $attempt <= $attempts } {
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set test "attach (pass $passes), pending signal catch"
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if {[gdb_test_multiple "attach $testpid" $test {
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-re "Attaching to program.*`?$escapedbinfile'?, process $testpid.* received signal SIGALRM.*$gdb_prompt $" {
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# nonthreaded:
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pass $test
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verbose -log "$test succeeded on the attempt # $attempt of $attempts"
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set passes [expr $passes + 1]
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}
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-re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*$gdb_prompt $" {
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set ok 0
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if { $threadtype == "threaded" } {
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# In the threaded case, the signal is left
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# pending on the second thread. Check for
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# that by peeking at the thread's siginfo.
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# SIGALRM is 14, SIGSTOP is 19.
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set test2 "thread apply 2 print \$_siginfo.si_signo"
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gdb_test_multiple $test2 $test2 {
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-re " = 14\r\n$gdb_prompt $" {
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set ok 1
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}
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-re " = 19\r\n$gdb_prompt $" {
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}
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}
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} else {
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# In the nonthreaded case, GDB should tell the
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# user about having seen a signal.
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}
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if { $ok == 0} {
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# We just lack the luck, we should try it again.
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set attempt [expr $attempt + 1]
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} else {
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pass $test
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verbose -log "$test succeeded on the attempt # $attempt of $attempts"
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set passes [expr $passes + 1]
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}
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}
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}] != 0 } {
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break
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}
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gdb_test "detach" "Detaching from.*" ""
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}
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if {$passes < 3} {
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if {$attempt > $attempts} {
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unresolved $test
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} else {
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fail $test
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}
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}
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# Exit and detach the process.
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gdb_exit
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# Continue the program - some Linux kernels need it before -9 if the
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# process is stopped.
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remote_exec build "kill -s CONT ${testpid}"
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kill_wait_spawned_process $test_spawn_id
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}
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}
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# build the test case first without threads
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#
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if {[build_executable $testfile $executable_nothr $srcfile] == -1} {
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untested "attach-into-signal.exp (nonthreaded)"
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return -1
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}
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corefunc nonthreaded ${executable_nothr}
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# build the test case also with threads
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#
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if { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" [standard_output_file ${executable_thr}] executable {debug additional_flags=-DUSE_THREADS}] != "" } {
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untested "attach-into-signal.exp (threaded)"
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return -1
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}
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corefunc threaded ${executable_thr}
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