118 lines
3.2 KiB
Plaintext
118 lines
3.2 KiB
Plaintext
# Copyright (C) 2015-2016 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 verifies that several threads forking while another thread
|
|
# is constantly stepping over a breakpoint is properly handled.
|
|
|
|
standard_testfile
|
|
|
|
set linenum [gdb_get_line_number "set break here"]
|
|
|
|
if {[build_executable "failed to prepare" $testfile $srcfile {debug pthreads}] == -1} {
|
|
return -1
|
|
}
|
|
|
|
# The test proper. If COND_BP_TARGET is true, then test with
|
|
# conditional breakpoints evaluated on the target side, if possible.
|
|
# DETACH_ON_FORK is used as value for the "set detach-on-fork"
|
|
# setting. If "on", this exercises GDB explicitly continuing the fork
|
|
# child until exit. If "off", this exercises GDB detaching the fork
|
|
# child.
|
|
proc do_test { cond_bp_target detach_on_fork } {
|
|
global GDBFLAGS
|
|
global srcfile testfile binfile
|
|
global decimal gdb_prompt
|
|
global linenum
|
|
global is_remote_target
|
|
|
|
set saved_gdbflags $GDBFLAGS
|
|
set GDBFLAGS [concat $GDBFLAGS " -ex \"set non-stop on\""]
|
|
clean_restart $binfile
|
|
set GDBFLAGS $saved_gdbflags
|
|
|
|
if ![runto_main] then {
|
|
fail "Can't run to main"
|
|
return 0
|
|
}
|
|
|
|
gdb_test_no_output "set detach-on-fork $detach_on_fork"
|
|
|
|
gdb_test "break $linenum if zero == 1" \
|
|
"Breakpoint .*" \
|
|
"set breakpoint that evals false"
|
|
|
|
set test "continue &"
|
|
gdb_test_multiple $test $test {
|
|
-re "$gdb_prompt " {
|
|
pass $test
|
|
}
|
|
}
|
|
|
|
set fork_count 0
|
|
set ok 0
|
|
|
|
set test "inferior 1 exited"
|
|
gdb_test_multiple "" $test {
|
|
-re "Inferior 1 \(\[^\r\n\]+\) exited normally" {
|
|
set ok 1
|
|
pass $test
|
|
}
|
|
-re "Inferior $decimal \(\[^\r\n\]+\) exited normally" {
|
|
incr fork_count
|
|
if {$fork_count <= 100} {
|
|
exp_continue
|
|
} else {
|
|
fail "$test (too many forks)"
|
|
}
|
|
}
|
|
}
|
|
|
|
if {!$ok} {
|
|
# No use testing further.
|
|
return
|
|
}
|
|
|
|
gdb_test "info threads" "No threads\." \
|
|
"no threads left"
|
|
|
|
gdb_test "info inferiors" \
|
|
"Num\[ \t\]+Description\[ \t\]+Executable\[ \t\]+\r\n\\* 1 \[^\r\n\]+" \
|
|
"only inferior 1 left"
|
|
}
|
|
|
|
# Wrapper for foreach that calls with_test_prefix on each iteration,
|
|
# including the iterator's current value in the prefix.
|
|
|
|
proc foreach_with_prefix {var list body} {
|
|
upvar 1 $var myvar
|
|
foreach myvar $list {
|
|
with_test_prefix "$var=$myvar" {
|
|
uplevel 1 $body
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach_with_prefix cond_bp_target {1 0} {
|
|
foreach_with_prefix detach_on_fork {"on" "off"} {
|
|
do_test $cond_bp_target $detach_on_fork
|
|
|
|
# Disable "off" for now. The test does pass with
|
|
# detach-on-fork off (at the time of writing), but gdb seems
|
|
# to slow down quadratically as inferiors are created, and
|
|
# then the test takes annoyingly long to complete...
|
|
break
|
|
}
|
|
}
|