gdb/testsuite/gdb.base/sigrepeat.exp

   1 # Copyright 2004-2024 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 require {!target_info exists gdb,nosignals}
  23
  24
  25 standard_testfile .c
  26
  27 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  28     untested "failed to compile"
  29     return -1
  30 }
  31
  32 # get things started
  33 clean_restart ${binfile}
  34
  35 # Advance to main
  36 if {![runto_main]} {
  37     return 0
  38 }
  39
  40 # Run to the signal handler wait loop.
  41 set infinite_loop [gdb_get_line_number {infinite loop}]
  42 gdb_test "advance $infinite_loop" ".*" "advance to infinite loop"
  43
  44 # Make the first of many signals come pending
  45 sleep 1
  46
  47 # Try to step off this line
  48 gdb_test "next" "return 0;.*"