gdb/testsuite/gdb.base/sigrepeat.exp

   1 # Copyright 2004, 2005, 2007, 2008, 2009, 2010, 2011
   2 # Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17
  18 # The program sigrepeat.c creates a repeating timer and then waits for
  19 # it to fire multiple times.  The objective is to create a backlog if
  20 # sigalrm signals and hence cause repeated signal delivery without any
  21 # cpu advancment.
  22
  23 if [target_info exists gdb,nosignals] {
  24     verbose "Skipping sigrepeat.exp because of nosignals."
  25     continue
  26 }
  27
  28 if $tracelevel then {
  29     strace $tracelevel
  30 }
  31
  32
  33 set testfile sigrepeat
  34 set srcfile ${testfile}.c
  35 set binfile ${objdir}/${subdir}/${testfile}
  36 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  37     untested "Couldn't compile ${srcfile}"
  38     return -1
  39 }
  40
  41 # get things started
  42 gdb_exit
  43 gdb_start
  44 gdb_reinitialize_dir $srcdir/$subdir
  45 gdb_load ${binfile}
  46
  47 # Advance to main
  48 if { ![runto_main] } then {
  49     gdb_suppress_tests;
  50 }
  51
  52 # Run to the signal handler wait loop.
  53 set infinite_loop [gdb_get_line_number {infinite loop}]
  54 gdb_test "advance $infinite_loop" ".*" "advance to infinite loop"
  55
  56 # Make the first of many signals come pending
  57 sleep 1
  58
  59 # Try to step off this line
  60 gdb_test "next" "return 0;.*"