gdb/testsuite/gdb.threads/thread_events.exp

   1 # Copyright (C) 2007 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 # Please email any bugs, comments, and/or additions to this file to:
  17 # bug-gdb@prep.ai.mit.edu
  18
  19 # This file was written by Chris Demetriou (cgd@google.com).
  20 # It tests printing of thread event (start, exit) information, and
  21 # disabling of those messages.
  22 #
  23 # Note: the format of thread event messages (and also whether or not
  24 # messages are printed and can be disabled) is dependent on the target
  25 # thread support code.
  26
  27 # This test has only been verified with Linux targets, and would need
  28 # to be generalized to support other targets
  29 if ![istarget *-*-linux*] then {
  30     return
  31 }
  32
  33 # When using gdbserver, even on Linux, we don't get notifications
  34 # about new threads.  This is expected, so don't test for that.
  35 if [is_remote target] then {
  36     return
  37 }
  38
  39 if $tracelevel then {
  40         strace $tracelevel
  41 }
  42
  43 set prms_id 0
  44 set bug_id 0
  45
  46 set testfile "thread_events"
  47 set srcfile ${testfile}.c
  48 set binfile ${objdir}/${subdir}/${testfile}
  49
  50 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } {
  51     return -1
  52 }
  53
  54 proc gdb_test_thread_start {messages_enabled command pattern message} {
  55   global gdb_prompt
  56
  57   if { $messages_enabled } {
  58     set events_expected 1
  59   } else {
  60     set events_expected 0
  61   }
  62   set events_seen 0
  63
  64   return [gdb_test_multiple $command $message {
  65     -re "\\\[New Thread \[^\]\]*\\\]\r\n" {
  66       incr events_seen;
  67       exp_continue;
  68     }
  69     -re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" {
  70       if { $events_seen != $events_expected } {
  71         fail "$message (saw $events_seen, expected $events_expected)"
  72       } else {
  73         pass "$message"
  74       }
  75     }
  76   }]
  77 }
  78
  79 proc gdb_test_thread_exit {messages_enabled command pattern message} {
  80   global gdb_prompt
  81
  82   if { $messages_enabled } {
  83     set events_expected 1
  84   } else {
  85     set events_expected 0
  86   }
  87   set events_seen 0
  88
  89   return [gdb_test_multiple $command $message {
  90     -re "\\\[Thread \[^\]\]* exited\\\]\r\n" {
  91       incr events_seen
  92       exp_continue;
  93     }
  94     -re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" {
  95       if { $events_seen != $events_expected } {
  96         fail "$message (saw $events_seen, expected $events_expected)"
  97       } else {
  98         pass "$message"
  99       }
 100     }
 101   }]
 102 }
 103
 104 proc test_thread_messages {enabled} {
 105   global srcdir subdir binfile srcfile
 106
 107   if { $enabled } {
 108     set enabled_string "with messages enabled"
 109   } else {
 110     set enabled_string "with messages disabled"
 111   }
 112
 113   gdb_start
 114   gdb_reinitialize_dir $srcdir/$subdir
 115   gdb_load ${binfile}
 116
 117   if { $enabled } {
 118      gdb_test "set print thread-events on"
 119   } else {
 120      gdb_test "set print thread-events off"
 121   }
 122
 123   # The initial thread may log a 'New Thread' message, but we don't
 124   # check for it.
 125   if ![runto_main] then {
 126      fail "Can't run to main $enabled_string"
 127      return 1
 128   }
 129
 130   gdb_test "break threadfunc" \
 131       "Breakpoint.*at.* file .*$srcfile, line.*" \
 132       "breakpoint at threadfunc $enabled_string"
 133   gdb_test "break after_join_func" \
 134       "Breakpoint.*at.* file .*$srcfile, line.*" \
 135       "breakpoint at after_join_func $enabled_string"
 136
 137   # continue to threadfunc breakpoint.  A thread will start.
 138   # Expect to see a thread start message, if messages are enabled.
 139   gdb_test_thread_start $enabled "continue" \
 140        ".*Breakpoint .*,.*threadfunc.*at.*$srcfile:.*" \
 141        "continue to threadfunc $enabled_string"
 142
 143   # continue to after_join_func breakpoint.  A thread will exit.
 144   # Expect to see a thread exit message, if messages are enabled.
 145   gdb_test_thread_exit $enabled "continue" \
 146        ".*Breakpoint .*,.*after_join_func.*at.*$srcfile:.*" \
 147        "continue to after_join_func $enabled_string"
 148
 149   delete_breakpoints
 150
 151   gdb_exit
 152 }
 153
 154 test_thread_messages 0
 155 test_thread_messages 1