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 # 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 set prms_id 0
  41 set bug_id 0
  42
  43 set testfile "thread_events"
  44 set srcfile ${testfile}.c
  45 set binfile ${objdir}/${subdir}/${testfile}
  46
  47 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } {
  48     return -1
  49 }
  50
  51 proc gdb_test_thread_start {messages_enabled command pattern message} {
  52   global gdb_prompt
  53
  54   if { $messages_enabled } {
  55     set events_expected 1
  56   } else {
  57     set events_expected 0
  58   }
  59   set events_seen 0
  60
  61   return [gdb_test_multiple $command $message {
  62     -re "\\\[New Thread \[^\]\]*\\\]\r\n" {
  63       incr events_seen;
  64       exp_continue;
  65     }
  66     -re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" {
  67       if { $events_seen != $events_expected } {
  68         fail "$message (saw $events_seen, expected $events_expected)"
  69       } else {
  70         pass "$message"
  71       }
  72     }
  73   }]
  74 }
  75
  76 proc gdb_test_thread_exit {messages_enabled command pattern message} {
  77   global gdb_prompt
  78
  79   if { $messages_enabled } {
  80     set events_expected 1
  81   } else {
  82     set events_expected 0
  83   }
  84   set events_seen 0
  85
  86   return [gdb_test_multiple $command $message {
  87     -re "\\\[Thread \[^\]\]* exited\\\]\r\n" {
  88       incr events_seen
  89       exp_continue;
  90     }
  91     -re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" {
  92       if { $events_seen != $events_expected } {
  93         fail "$message (saw $events_seen, expected $events_expected)"
  94       } else {
  95         pass "$message"
  96       }
  97     }
  98   }]
  99 }
 100
 101 proc test_thread_messages {enabled} {
 102   global srcdir subdir binfile srcfile
 103
 104   if { $enabled } {
 105     set enabled_string "with messages enabled"
 106   } else {
 107     set enabled_string "with messages disabled"
 108   }
 109
 110   gdb_start
 111   gdb_reinitialize_dir $srcdir/$subdir
 112   gdb_load ${binfile}
 113
 114   if { $enabled } {
 115      gdb_test "set print thread-events on"
 116   } else {
 117      gdb_test "set print thread-events off"
 118   }
 119
 120   # The initial thread may log a 'New Thread' message, but we don't
 121   # check for it.
 122   if ![runto_main] then {
 123      fail "Can't run to main $enabled_string"
 124      return 1
 125   }
 126
 127   gdb_test "break threadfunc" \
 128       "Breakpoint.*at.* file .*$srcfile, line.*" \
 129       "breakpoint at threadfunc $enabled_string"
 130   gdb_test "break after_join_func" \
 131       "Breakpoint.*at.* file .*$srcfile, line.*" \
 132       "breakpoint at after_join_func $enabled_string"
 133
 134   # continue to threadfunc breakpoint.  A thread will start.
 135   # Expect to see a thread start message, if messages are enabled.
 136   gdb_test_thread_start $enabled "continue" \
 137        ".*Breakpoint .*,.*threadfunc.*at.*$srcfile:.*" \
 138        "continue to threadfunc $enabled_string"
 139
 140   # continue to after_join_func breakpoint.  A thread will exit.
 141   # Expect to see a thread exit message, if messages are enabled.
 142   gdb_test_thread_exit $enabled "continue" \
 143        ".*Breakpoint .*,.*after_join_func.*at.*$srcfile:.*" \
 144        "continue to after_join_func $enabled_string"
 145
 146   delete_breakpoints
 147
 148   gdb_exit
 149 }
 150
 151 test_thread_messages 0
 152 test_thread_messages 1