gdb/testsuite/gdb.base/interrupt-daemon-attach.exp

   1 # Copyright 2019-2022 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 if [target_info exists gdb,nosignals] {
  17     verbose "Skipping interrupt-daemon-attach.exp because of nosignals."
  18     continue
  19 }
  20
  21 # This test requires sending ^C to interrupt the running target.
  22 if [target_info exists gdb,nointerrupts] {
  23     verbose "Skipping interrupt-daemon-attach.exp because of nointerrupts."
  24     return
  25 }
  26
  27 if { ![can_spawn_for_attach] } {
  28     return 0
  29 }
  30
  31 standard_testfile
  32
  33 if { [build_executable ${testfile}.exp ${testfile} $srcfile {debug}] == -1 } {
  34     return -1
  35 }
  36
  37 proc do_test {} {
  38     global binfile
  39     global decimal
  40
  41     set test_spawn_id [spawn_wait_for_attach $binfile]
  42     set parent_pid [spawn_id_get_pid $test_spawn_id]
  43
  44     # Attach to the parent, run it to a known point, extract the
  45     # child's PID, and detach.
  46     with_test_prefix "parent" {
  47         clean_restart ${binfile}
  48
  49         gdb_test "attach $parent_pid" \
  50             "Attaching to program.*, process $parent_pid.*" \
  51             "attach"
  52
  53         gdb_breakpoint "marker"
  54         gdb_continue_to_breakpoint "marker"
  55
  56         set child_pid [get_integer_valueof "child_pid" -1]
  57         if {$child_pid == -1} {
  58             return
  59         }
  60
  61         gdb_test "detach" \
  62             "Detaching from program: .*process $parent_pid\r\n\\\[Inferior $decimal \\(.*\\) detached\\\]"
  63
  64         remote_exec host "kill -9 $parent_pid"
  65     }
  66
  67     # Start over, and attach to the child this time.
  68     with_test_prefix "child" {
  69         global gdb_prompt
  70
  71         clean_restart $binfile
  72
  73         gdb_test "attach $child_pid" \
  74             "Attaching to program.*, process $child_pid.*" \
  75             "attach"
  76
  77         gdb_test_multiple "continue" "continue" {
  78             -re "Continuing" {
  79                 pass "continue"
  80             }
  81         }
  82
  83         after 500 {send_gdb "\003"}
  84         gdb_test "" "(Program|Thread .*) received signal SIGINT.*" \
  85             "stop with control-c"
  86
  87         remote_exec host "kill -9 $child_pid"
  88     }
  89 }
  90
  91 do_test