gdb/testsuite/gdb.threads/thread_events.exp

   1 # Copyright (C) 2007, 2009, 2010, 2011 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 # This file was written by Chris Demetriou (cgd@google.com).
  17 # It tests printing of thread event (start, exit) information, and
  18 # disabling of those messages.
  19 #
  20 # Note: the format of thread event messages (and also whether or not
  21 # messages are printed and can be disabled) is dependent on the target
  22 # thread support code.
  23
  24 # This test has only been verified with Linux targets, and would need
  25 # to be generalized to support other targets
  26 if ![istarget *-*-linux*] then {
  27     return
  28 }
  29
  30 # When using gdbserver, even on Linux, we don't get notifications
  31 # about new threads.  This is expected, so don't test for that.
  32 if [is_remote target] then {
  33     return
  34 }
  35
  36 if $tracelevel then {
  37         strace $tracelevel
  38 }
  39
  40
  41 set testfile "thread_events"
  42 set srcfile ${testfile}.c
  43 set binfile ${objdir}/${subdir}/${testfile}
  44
  45 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } {
  46     return -1
  47 }
  48
  49 proc gdb_test_thread_start {messages_enabled command pattern message} {
  50   global gdb_prompt
  51
  52   if { $messages_enabled } {
  53     set events_expected 1
  54   } else {
  55     set events_expected 0
  56   }
  57   set events_seen 0
  58
  59   return [gdb_test_multiple $command $message {
  60     -re "\\\[New Thread \[^\]\]*\\\]\r\n" {
  61       incr events_seen;
  62       exp_continue;
  63     }
  64     -re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" {
  65       if { $events_seen != $events_expected } {
  66         fail "$message (saw $events_seen, expected $events_expected)"
  67       } else {
  68         pass "$message"
  69       }
  70     }
  71   }]
  72 }
  73
  74 proc gdb_test_thread_exit {messages_enabled command pattern message} {
  75   global gdb_prompt
  76
  77   if { $messages_enabled } {
  78     set events_expected 1
  79   } else {
  80     set events_expected 0
  81   }
  82   set events_seen 0
  83
  84   return [gdb_test_multiple $command $message {
  85     -re "\\\[Thread \[^\]\]* exited\\\]\r\n" {
  86       incr events_seen
  87       exp_continue;
  88     }
  89     -re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" {
  90       if { $events_seen != $events_expected } {
  91         fail "$message (saw $events_seen, expected $events_expected)"
  92       } else {
  93         pass "$message"
  94       }
  95     }
  96   }]
  97 }
  98
  99 proc test_thread_messages {enabled} {
 100   global srcdir subdir binfile srcfile
 101
 102   if { $enabled } {
 103     set enabled_string "with messages enabled"
 104   } else {
 105     set enabled_string "with messages disabled"
 106   }
 107
 108   gdb_start
 109   gdb_reinitialize_dir $srcdir/$subdir
 110   gdb_load ${binfile}
 111
 112   if { $enabled } {
 113      gdb_test "set print thread-events on"
 114   } else {
 115      gdb_test "set print thread-events off"
 116   }
 117
 118   # The initial thread may log a 'New Thread' message, but we don't
 119   # check for it.
 120   if ![runto_main] then {
 121      fail "Can't run to main $enabled_string"
 122      return 1
 123   }
 124
 125   gdb_test "break threadfunc" \
 126       "Breakpoint.*at.* file .*$srcfile, line.*" \
 127       "breakpoint at threadfunc $enabled_string"
 128   gdb_test "break after_join_func" \
 129       "Breakpoint.*at.* file .*$srcfile, line.*" \
 130       "breakpoint at after_join_func $enabled_string"
 131
 132   # continue to threadfunc breakpoint.  A thread will start.
 133   # Expect to see a thread start message, if messages are enabled.
 134   gdb_test_thread_start $enabled "continue" \
 135        ".*Breakpoint .*,.*threadfunc.*at.*$srcfile:.*" \
 136        "continue to threadfunc $enabled_string"
 137
 138   # continue to after_join_func breakpoint.  A thread will exit.
 139   # Expect to see a thread exit message, if messages are enabled.
 140   gdb_test_thread_exit $enabled "continue" \
 141        ".*Breakpoint .*,.*after_join_func.*at.*$srcfile:.*" \
 142        "continue to after_join_func $enabled_string"
 143
 144   delete_breakpoints
 145
 146   gdb_exit
 147 }
 148
 149 test_thread_messages 0
 150 test_thread_messages 1