| # Copyright 2008 |
| # Free Software Foundation, Inc. |
| |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| # This test was created by modifying attach-stopped.exp. |
| # This file was created by Jan Kratochvil <jan.kratochvil@redhat.com>. |
| |
| # This test only works on Linux |
| if { ![isnative] || [is_remote host] || ![istarget *-linux*] } { |
| continue |
| } |
| |
| set testfile "attach-into-signal" |
| set srcfile ${testfile}.c |
| set binfile ${objdir}/${subdir}/${testfile} |
| set escapedbinfile [string_to_regexp ${objdir}/${subdir}/${testfile}] |
| |
| remote_exec build "rm -f ${binfile}" |
| # For debugging this test |
| # |
| #log_user 1 |
| |
| proc corefunc { threadtype } { |
| global srcfile |
| global binfile |
| global escapedbinfile |
| global srcdir |
| global subdir |
| global gdb_prompt |
| |
| if [get_compiler_info ${binfile}] { |
| return -1 |
| } |
| |
| # Start the program running and then wait for a bit, to be sure |
| # that it can be attached to. |
| # Statistically there is a better chance without giving process a nice. |
| |
| set testpid [eval exec $binfile &] |
| exec sleep 2 |
| |
| # Run 2 passes of the test. |
| # The C file inferior stops pending its signals if a single one is lost, |
| # we test successful redelivery of the caught signal by the 2nd pass. |
| |
| # linux-2.6.20.4.x86_64 had maximal attempt # 20 in 4 test runs. |
| set attempts 100 |
| set attempt 1 |
| set passes 1 |
| while { $passes < 3 && $attempt <= $attempts } { |
| set stoppedtry 0 |
| while { $stoppedtry < 10 } { |
| if [catch {open /proc/${testpid}/status r} fileid] { |
| set stoppedtry 10 |
| break |
| } |
| gets $fileid line1; |
| gets $fileid line2; |
| close $fileid; |
| |
| if {![string match "*(stopped)*" $line2]} { |
| # No PASS message as we may be looping in multiple attempts. |
| break |
| } |
| sleep 1 |
| set stoppedtry [expr $stoppedtry + 1] |
| } |
| if { $stoppedtry >= 10 } { |
| verbose -log $line2 |
| set test "$threadtype: process is still running on the attempt # $attempt of $attempts" |
| break |
| } |
| |
| # Main test: |
| set test "$threadtype: attach (pass $passes), pending signal catch" |
| if {[gdb_test_multiple "attach $testpid" $test { |
| -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*Received Alarm clock.*$gdb_prompt $" { |
| # nonthreaded: |
| pass $test |
| verbose -log "$test succeeded on the attempt # $attempt of $attempts" |
| set passes [expr $passes + 1] |
| } |
| -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*$gdb_prompt $" { |
| # nonthreaded: |
| # We just lack the luck, we should try it again. |
| set attempt [expr $attempt + 1] |
| } |
| -re "Attaching to process $testpid.*Received Alarm clock.*$gdb_prompt $" { |
| # threaded: |
| pass $test |
| verbose -log "$test succeeded on the attempt # $attempt of $attempts" |
| set passes [expr $passes + 1] |
| } |
| -re "Attaching to process $testpid.*$gdb_prompt $" { |
| # threaded: |
| # We just lack the luck, we should try it again. |
| set attempt [expr $attempt - 1] |
| } |
| }] != 0 } { |
| break |
| } |
| |
| gdb_test "detach" "Detaching from.*" "" |
| } |
| if {$passes < 3} { |
| if {$attempt > $attempts} { |
| unresolved $test |
| } else { |
| fail $test |
| } |
| } |
| |
| # Exit and detach the process. |
| |
| gdb_exit |
| |
| # Make sure we don't leave a process around to confuse |
| # the next test run (and prevent the compile by keeping |
| # the text file busy), in case the "set should_exit" didn't |
| # work. |
| |
| # Continue the program - some Linux kernels need it before -9 if the |
| # process is stopped. |
| remote_exec build "kill -s CONT ${testpid}" |
| |
| remote_exec build "kill -9 ${testpid}" |
| } |
| |
| # Start with clean gdb |
| gdb_exit |
| |
| # build the test case first without threads |
| # |
| if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { |
| gdb_suppress_entire_file "Testcase nonthraded compile failed, so all tests in this file will automatically fail." |
| } |
| |
| gdb_start |
| gdb_reinitialize_dir $srcdir/$subdir |
| gdb_load ${binfile} |
| gdb_test "set debug lin-lwp 1" "" "" |
| |
| corefunc nonthreaded |
| |
| # build the test case also with threads |
| # |
| if { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DUSE_THREADS}] != "" } { |
| gdb_suppress_entire_file "Testcase threaded compile failed, so all tests in this file will automatically fail." |
| } |
| |
| gdb_start |
| gdb_reinitialize_dir $srcdir/$subdir |
| gdb_load ${binfile} |
| gdb_test "set debug lin-lwp 1" "" "" |
| |
| corefunc threaded |