[gdb/testsuite] Factor out lib/valgrind.exp
[external/binutils.git] / gdb / testsuite / gdb.base / attach-non-pgrp-leader.exp
1 # Copyright 2017-2018 Free Software Foundation, Inc.
2
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 3 of the License, or
6 # (at your option) any later version.
7 #
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 # GNU General Public License for more details.
12 #
13 # You should have received a copy of the GNU General Public License
14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
15
16 # Check that we can attach to processes that are not process group
17 # leaders.  We test that by attaching to a fork child that doesn't
18 # call any of setpgrp/setpgid/setsid to move itself to a new process
19 # group.
20
21 if {![can_spawn_for_attach]} {
22     return 0
23 }
24
25 standard_testfile
26
27 if { [build_executable ${testfile}.exp ${testfile} $srcfile {debug}] == -1 } {
28     return -1
29 }
30
31 proc do_test {} {
32     global binfile
33     global decimal
34
35     set test_spawn_id [spawn_wait_for_attach $binfile]
36     set parent_pid [spawn_id_get_pid $test_spawn_id]
37
38     # Attach to the parent, run it to a known point, extract the
39     # child's PID, and detach.
40     with_test_prefix "parent" {
41         clean_restart ${binfile}
42
43         gdb_test "attach $parent_pid" \
44             "Attaching to program.*, process $parent_pid.*" \
45             "attach"
46
47         gdb_breakpoint "marker"
48         gdb_continue_to_breakpoint "marker"
49
50         set child_pid [get_integer_valueof "child_pid" -1]
51         if {$child_pid == -1} {
52             return
53         }
54
55         gdb_test "detach" \
56             "Detaching from program: .*process $parent_pid\r\n\\\[Inferior $decimal \\(.*\\) detached\\\]"
57     }
58
59     # Start over, and attach to the child this time.
60     with_test_prefix "child" {
61         clean_restart $binfile
62
63         gdb_test "attach $child_pid" \
64             "Attaching to program.*, process $child_pid.*" \
65             "attach"
66
67         gdb_breakpoint "marker"
68         gdb_continue_to_breakpoint "marker"
69
70         gdb_test "detach" \
71             "Detaching from program: .*process $child_pid\r\n\\\[Inferior $decimal \\(.*\\) detached\\\]"
72     }
73
74     kill_wait_spawned_process $test_spawn_id
75 }
76
77 do_test