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# Copyright 2017 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/>. */
# Check that we can attach to processes that are not process group
# leaders. We test that by attaching to a fork child that doesn't
# call any of setpgrp/setpgid/setsid to move itself to a new process
# group.
if {![can_spawn_for_attach]} {
return 0
}
standard_testfile
if { [build_executable ${testfile}.exp ${testfile} $srcfile {debug}] == -1 } {
return -1
}
proc do_test {} {
global binfile
set test_spawn_id [spawn_wait_for_attach $binfile]
set parent_pid [spawn_id_get_pid $test_spawn_id]
# Attach to the parent, run it to a known point, extract the
# child's PID, and detach.
with_test_prefix "parent" {
clean_restart ${binfile}
gdb_test "attach $parent_pid" \
"Attaching to program.*, process $parent_pid.*" \
"attach"
gdb_breakpoint "marker"
gdb_continue_to_breakpoint "marker"
set child_pid [get_integer_valueof "child_pid" -1]
if {$child_pid == -1} {
return
}
gdb_test "detach" \
"Detaching from program: .*process $parent_pid"
}
# Start over, and attach to the child this time.
with_test_prefix "child" {
clean_restart $binfile
gdb_test "attach $child_pid" \
"Attaching to program.*, process $child_pid.*" \
"attach"
gdb_breakpoint "marker"
gdb_continue_to_breakpoint "marker"
gdb_test "detach" \
"Detaching from program: .*process $child_pid"
}
kill_wait_spawned_process $test_spawn_id
}
do_test
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