gdb/testsuite/gdb.base/sigrepeat.exp

   1 # Copyright 2004-2017 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
  17 # The program sigrepeat.c creates a repeating timer and then waits for
  18 # it to fire multiple times.  The objective is to create a backlog if
  19 # sigalrm signals and hence cause repeated signal delivery without any
  20 # cpu advancment.
  21
  22 if [target_info exists gdb,nosignals] {
  23     verbose "Skipping sigrepeat.exp because of nosignals."
  24     continue
  25 }
  26
  27
  28 standard_testfile .c
  29
  30 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  31     untested "failed to compile"
  32     return -1
  33 }
  34
  35 # get things started
  36 clean_restart ${binfile}
  37
  38 # Advance to main
  39 if { ![runto_main] } then {
  40     gdb_suppress_tests
  41 }
  42
  43 # Run to the signal handler wait loop.
  44 set infinite_loop [gdb_get_line_number {infinite loop}]
  45 gdb_test "advance $infinite_loop" ".*" "advance to infinite loop"
  46
  47 # Make the first of many signals come pending
  48 sleep 1
  49
  50 # Try to step off this line
  51 gdb_test "next" "return 0;.*"