136 lines
4 KiB
Text
136 lines
4 KiB
Text
# Copyright 2008-2022 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] || [use_gdb_stub]
|
|
|| ![istarget *-linux*] } {
|
|
return
|
|
}
|
|
|
|
standard_testfile
|
|
set executable_nothr ${testfile}-nothr
|
|
set executable_thr ${testfile}-thr
|
|
|
|
proc corefunc { threadtype executable } {
|
|
global srcfile
|
|
global srcdir
|
|
global subdir
|
|
global gdb_prompt
|
|
|
|
with_test_prefix "$threadtype" {
|
|
clean_restart ${executable}
|
|
|
|
set binfile [standard_output_file $executable]
|
|
set escapedbinfile [string_to_regexp ${binfile}]
|
|
|
|
gdb_test "handle SIGALRM stop print pass" "Yes.*Yes.*Yes.*"
|
|
|
|
set test_spawn_id [spawn_wait_for_attach $binfile]
|
|
set testpid [spawn_id_get_pid $test_spawn_id]
|
|
|
|
# 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 test "attach (pass $passes), pending signal catch"
|
|
if {[gdb_test_multiple "attach $testpid" $test {
|
|
-re "Attaching to program.*`?$escapedbinfile'?, process $testpid.* received signal SIGALRM.*$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 $" {
|
|
set ok 0
|
|
|
|
if { $threadtype == "threaded" } {
|
|
# In the threaded case, the signal is left
|
|
# pending on the second thread. Check for
|
|
# that by peeking at the thread's siginfo.
|
|
# SIGALRM is 14, SIGSTOP is 19.
|
|
|
|
set test2 "thread apply 2 print \$_siginfo.si_signo"
|
|
gdb_test_multiple $test2 $test2 {
|
|
-re " = 14\r\n$gdb_prompt $" {
|
|
set ok 1
|
|
}
|
|
-re " = 19\r\n$gdb_prompt $" {
|
|
}
|
|
}
|
|
} else {
|
|
# In the nonthreaded case, GDB should tell the
|
|
# user about having seen a signal.
|
|
}
|
|
|
|
if { $ok == 0} {
|
|
# We just lack the luck, we should try it again.
|
|
set attempt [expr $attempt + 1]
|
|
} else {
|
|
pass $test
|
|
verbose -log "$test succeeded on the attempt # $attempt of $attempts"
|
|
set passes [expr $passes + 1]
|
|
}
|
|
}
|
|
}] != 0 } {
|
|
break
|
|
}
|
|
|
|
gdb_test -nopass "detach" "Detaching from.*"
|
|
}
|
|
|
|
if {$passes < 3} {
|
|
if {$attempt > $attempts} {
|
|
unresolved $test
|
|
} else {
|
|
fail $test
|
|
}
|
|
}
|
|
|
|
# Exit and detach the process.
|
|
gdb_exit
|
|
|
|
# Continue the program - some Linux kernels need it before -9 if the
|
|
# process is stopped.
|
|
remote_exec build "kill -s CONT ${testpid}"
|
|
|
|
kill_wait_spawned_process $test_spawn_id
|
|
}
|
|
}
|
|
|
|
# build the test case first without threads
|
|
#
|
|
if {[build_executable $testfile $executable_nothr $srcfile] == -1} {
|
|
untested "attach-into-signal.exp (nonthreaded)"
|
|
return -1
|
|
}
|
|
|
|
corefunc nonthreaded ${executable_nothr}
|
|
|
|
# build the test case also with threads
|
|
#
|
|
if { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" [standard_output_file ${executable_thr}] executable {debug additional_flags=-DUSE_THREADS}] != "" } {
|
|
untested "attach-into-signal.exp (threaded)"
|
|
return -1
|
|
}
|
|
|
|
corefunc threaded ${executable_thr}
|