gdb/testsuite/gdb.threads/fork-child-threads.exp

   1 # Copyright (C) 2008, 2009, 2010 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 # Only GNU/Linux is known to support `set follow-fork-mode child'.
  17 if { ! [istarget "*-*-linux*"] } {
  18     return 0
  19 }
  20
  21 if { [is_remote target] || ![isnative] } then {
  22     return 0
  23 }
  24
  25 set testfile fork-child-threads
  26 set srcfile ${testfile}.c
  27 set binfile ${objdir}/${subdir}/${testfile}
  28
  29 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  30     return -1
  31 }
  32
  33 gdb_exit
  34 gdb_start
  35 gdb_reinitialize_dir $srcdir/$subdir
  36
  37 gdb_load ${binfile}
  38 if ![runto_main] then {
  39    fail "Can't run to main"
  40    return 0
  41 }
  42
  43 gdb_test "set follow-fork-mode child"
  44 gdb_breakpoint "start"
  45
  46 # Make sure we can step over fork without losing our breakpoint.
  47 gdb_test "next" ".*pthread_create \\(&thread, NULL, start, NULL\\);.*" "next over fork"
  48
  49 gdb_test "continue" "Breakpoint 2, start.*" "get to the spawned thread"
  50
  51 # Wrong:
  52 # * 2 LWP 4466  start (arg=0x0) at fork-child-threads.c:28
  53 # Correct:
  54 # * 3 Thread 0x40a00950 (LWP 5553)  start (arg=0x0) at ../.././gdb/testsuite/gdb.threads/fork-child-threads.c:28
  55 #   2 Thread 0x2aaaaaac3000 (LWP 5552)  0x00000031674076dd in pthread_join (threadid=<value optimized out>, thread_return=<value optimized out>) at pthread_join.c:89
  56
  57 gdb_test "info threads" " Thread .* Thread .*" "two threads found"