#664: MacRuby Crashes When Scheduling a Block to Run on the Main Thread from a
Background Thread
---------------------------------+------------------------------------------
Reporter: dy...@… | Owner: lsansone...@…
Type: defect | Status: new
Priority: blocker | Milestone:
Component: MacRuby | Keywords:
---------------------------------+------------------------------------------
Code:
def main_thread( &block )
block.performSelectorOnMainThread( 'call', withObject: nil,
waitUntilDone: true )
end
Thread.new do
main_thread do
[1,2,3].each {|i| puts i }
end
end
Expected result:
Output numbers to the console.
Actual result:
-Terminal-
macruby test.rb
Assertion failed: (errorcode == 0), function setInstance, file
ThreadLocal.cpp, line 61.
Abort trap
-XCode (have to run the code twice for some reason, first time works) -
Assertion failed: ((b->flags & flags) == flags), function
rb_vm_prepare_block, file dispatcher.cpp, line 1786.
Program received signal: “SIGABRT”.
Backtrace (note that this was pasted into a ruby cocoa application and is
triggered from a menu click):
#0 0x00007fff81b35fe6 in __kill ()
#1 0x00007fff81bd6e32 in abort ()
#2 0x00007fff81bc3e74 in __assert_rtn ()
#3 0x00000001001427e8 in rb_vm_prepare_block ()
#4 0x000000010115a149 in ?? ()
#5 0x0000000100149331 in rb_vm_block_eval ()
#6 0x00007fff87ddc647 in __NSThreadPerformPerform ()
#7 0x00007fff869c9271 in __CFRunLoopDoSources0 ()
#8 0x00007fff869c7469 in __CFRunLoopRun ()
#9 0x00007fff869c6c2f in CFRunLoopRunSpecific ()
#10 0x00007fff80ca5a75 in _NSUnhighlightCarbonMenu ()
#11 0x00007fff80f250b8 in -[NSMenu _internalPerformActionForItemAtIndex:]
()
#12 0x00007fff80dd79d5 in -[NSCarbonMenuImpl
_carbonCommandProcessEvent:handlerCallRef:] ()
#13 0x00007fff80c84b60 in NSSLMMenuEventHandler ()
#14 0x00007fff886f1bd7 in DispatchEventToHandlers ()
#15 0x00007fff886f1126 in SendEventToEventTargetInternal ()
#16 0x00007fff8870ed49 in SendEventToEventTarget ()
#17 0x00007fff8873dd45 in SendHICommandEvent ()
#18 0x00007fff8876aa1a in SendMenuCommandWithContextAndModifiers ()
#19 0x00007fff8876a9d4 in SendMenuItemSelectedEvent ()
#20 0x00007fff8876a8dc in FinishMenuSelection ()
#21 0x00007fff8874bcf9 in MenuSelectCore ()
#22 0x00007fff8874b461 in _HandleMenuSelection2 ()
#23 0x00007fff80b55b79 in _NSHandleCarbonMenuEvent ()
#24 0x00007fff80b296a2 in _DPSNextEvent ()
#25 0x00007fff80b28b41 in -[NSApplication
nextEventMatchingMask:untilDate:inMode:dequeue:] ()
#26 0x00007fff80aee747 in -[NSApplication run] ()
#27 0x00007fff80ae7468 in NSApplicationMain ()
#28 0x0000000101147870 in ?? ()
#29 0x000000010014c806 in rb_vm_dispatch ()
#30 0x00000001011263e4 in ?? ()
#31 0x000000010016115f in rb_vm_run ()
#32 0x00000001000462a9 in ruby_run_node ()
#33 0x00000001001614dc in macruby_main ()
#34 0x0000000100001d40 in main (argc=1, argv=0x7fff5fbff5f0) at
main.m:13
Macruby Version:
MacRuby version 0.6 (ruby 1.9.0) [universal-darwin10.0, x86_64]
Nightly from 04/20/2010.
test.rb attached
--
Ticket URL: <http://www.macruby.org/trac/ticket/664>
MacRuby <http://macruby.org/>
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