<div dir="ltr">Ok, well not sure what is going on <div><br></div><div><span style="font-size:13px">ioProcessEvents-> </span><br></div><div><span style="font-size:13px"><br></span></div><div><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="color:rgb(79,129,135)">sqInt</span><span style=""> ioProcessEvents(</span><span style="color:rgb(187,44,162)">void</span><span style="">) {</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""> </span><span style="color:rgb(49,89,93)">aioPoll</span><span style="">(</span><span style="color:rgb(39,42,216)">0</span><span style="">);</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(79,129,135)"><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(187,44,162)">if</span><span style="color:rgb(0,0,0)">(</span><span style="">ioProcessEventsHandler</span><span style="color:rgb(0,0,0)">)</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(79,129,135)"><span style="color:rgb(0,0,0)"> </span><span style="">ioProcessEventsHandler</span><span style="color:rgb(0,0,0)">(); //84</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""> </span><span style="color:rgb(187,44,162)">return</span><span style=""> </span><span style="color:rgb(39,42,216)">0</span><span style="">;</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">}</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""><br></span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">where </span><span style="color:rgb(79,129,135)">ioProcessEventsHandler is this </span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""><br></span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="color:rgb(187,44,162)">void</span><span style=""> nativeIoProcessEvents(</span><span style="color:rgb(187,44,162)">void</span><span style="">) {</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;min-height:13px"><span style=""></span><br></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,132,0)"><span style="color:rgb(0,0,0)"><span class="" style="white-space:pre"> </span></span><span style="">//API Documented</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;min-height:13px"><span style=""><span class="" style="white-space:pre"> </span></span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""> </span><span style="color:rgb(187,44,162)">if</span><span style=""> ([[NSThread currentThread] isCancelled]) {</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""> gQuitNowRightNow = </span><span style="color:rgb(187,44,162)">YES</span><span style="">;</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,132,0)"><span style="color:rgb(0,0,0)"> ioExit(); </span><span style="">//This might not return, might call exittoshell</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""> }</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;min-height:13px"><span style=""></span><br></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""><span class="" style="white-space:pre"> </span></span><span style="color:rgb(187,44,162)">if</span><span style=""> ([getMainWindowDelegate() forceUpdateFlush]) {</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""><span class="" style="white-space:pre"> </span>[getMainWindowDelegate() ioForceDisplayUpdate];</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""><span class="" style="white-space:pre"> </span>}</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;min-height:13px"><span style=""></span><br></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""><span class="" style="white-space:pre"> </span></span><span style="color:rgb(187,44,162)">if</span><span style=""> (interpreterProxy->methodPrimitiveIndex() == </span><span style="color:rgb(39,42,216)">0</span><span style="">) {</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""><span class="" style="white-space:pre"> </span>[gDelegateApp.squeakApplication pumpRunLoopEventSendAndSignal:</span><span style="color:rgb(187,44,162)">YES</span><span style="">];</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""> } </span><span style="color:rgb(187,44,162)">else</span><span style=""> {</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""><span class="" style="white-space:pre"> </span>[gDelegateApp.squeakApplication pumpRunLoop];</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""><span class="" style="white-space:pre"> </span>}</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;min-height:13px"><span style=""><span class="" style="white-space:pre"> </span></span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""><span class="" style="white-space:pre"> </span></span><span style="color:rgb(187,44,162)">if</span><span style=""> (gQuitNowRightNow) {</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,132,0)"><span style="color:rgb(0,0,0)"><span class="" style="white-space:pre"> </span>ioExit(); </span><span style="">//This might not return, might call exittoshell</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""><span class="" style="white-space:pre"> </span>}</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo">
</p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">}</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""><br></span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""><br></span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">But then we end up over in </span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""><br></span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,132,0)"><span style="">/*<span class="" style="white-space:pre"> </span>The stackPointer is below the stackLimit. This is either because of a</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,132,0)"><span style=""><span class="" style="white-space:pre"> </span>stack overflow or the setting of stackLimit to indicate a possible</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,132,0)"><span style=""><span class="" style="white-space:pre"> </span>interrupt. Check for interrupts and stackOverflow and deal with each</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,132,0)"><span style=""><span class="" style="white-space:pre"> </span>appropriately. Answer if a context switch occurred. */</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;min-height:13px"><span style=""></span><br></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo">
</p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,132,0)"><span style="color:rgb(0,0,0)"><span class="" style="white-space:pre"> </span></span><span style="">/* StackInterpreter>>#handleStackOverflowOrEventAllowContextSwitch: */</span></p></div><div><span style=""><br></span></div><div><span style="">&</span></div><div><span style=""><br></span></div><div><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,132,0)"><span style="">/*<span class="" style="white-space:pre"> </span>If contextSwitchIfNotNil is nil we can't context switch.</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,132,0)"><span style=""><span class="" style="white-space:pre"> </span>contextSwitchIfNotNil is set to nil by</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,132,0)"><span style=""><span class="" style="white-space:pre"> </span>- the special primitiveClosureValueNoContextSwitch entry-point in block</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,132,0)"><span style=""><span class="" style="white-space:pre"> </span>dispatch - the stack check in methods with primitive 198.</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,132,0)"><span style=""><span class="" style="white-space:pre"> </span>In a normal method contextSwitchIfNotNil will be the method (see e.g.</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,132,0)"><span style=""><span class="" style="white-space:pre"> </span>SimpleStackBasedCogit>>compileFrameBuild). In a block it will be the</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,132,0)"><span style=""><span class="" style="white-space:pre"> </span>closure (see e.g. SimpleStackBasedCogit>>compileMethodBody). */</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;min-height:13px"><span style=""></span><br></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,132,0)"><span style="color:rgb(0,0,0)"><span class="" style="white-space:pre"> </span></span><span style="">/* CoInterpreter>>#ceStackOverflow: */</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(187,44,162)"><br></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style=""><br></span></p></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, May 19, 2016 at 4:39 PM, Eliot Miranda <span dir="ltr"><<a href="mailto:eliot.miranda@gmail.com" target="_blank">eliot.miranda@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><div>Process: Squeak [2023]</div><div>Path: /Users/USER/*/CocoaFast.app/Contents/MacOS/Squeak</div><div>Identifier: org.squeak.Squeak$(VM_MONIKER)</div><div>Version: 5.0.3721 (5.0.3721)</div><div>Code Type: X86 (Native)</div><div>Parent Process: launchd [186]</div><div>Responsible: Squeak [2023]</div><div>User ID: 594</div><div><br></div><div>Date/Time: 2016-05-19 16:37:13.900 -0700</div><div>OS Version: Mac OS X 10.9.5 (13F1808)</div><div>Report Version: 11</div><div>Anonymous UUID: F54BABC9-4764-81AE-0375-EA1A9A4A38C2</div><div><br></div><div><br></div><div>Crashed Thread: 0 Dispatch queue: com.apple.main-thread</div><div><br></div><div>Exception Type: EXC_BAD_ACCESS (SIGBUS)</div><div>Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000000000000</div><div><br></div><div>VM Regions Near 0:</div><div>--> __PAGEZERO 0000000000000000-0000000000001000 [ 4K] ---/--- SM=NUL /Users/USER/*/CocoaFast.app/Contents/MacOS/Squeak</div><div> VM_ALLOCATE 0000000000001000-00000000000cf000 [ 824K] ---/--- SM=NUL </div><div><br></div><div>Thread 0 Crashed:: Dispatch queue: com.apple.main-thread</div><div>0 com.apple.CoreFoundation <span style="white-space:pre-wrap"> </span>0x9821a95d CFRunLoopRunSpecific + 253</div><div>1 com.apple.CoreFoundation <span style="white-space:pre-wrap"> </span>0x9821a84b CFRunLoopRunInMode + 123</div><div>2 com.apple.Foundation <span style="white-space:pre-wrap"> </span>0x91c48559 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 277</div><div>3 org.squeak.Squeak$(VM_MONIKER)<span style="white-space:pre-wrap"> </span>0x00145f70 -[sqSqueakMainApplication(events) pumpRunLoop] + 99 (sqSqueakMainApplication+events.m:69)</div><div>4 org.squeak.Squeak$(VM_MONIKER)<span style="white-space:pre-wrap"> </span>0x0013beb8 -[sqSqueakOSXApplication(events) pumpRunLoop] + 50 (sqSqueakOSXApplication+events.m:127)</div><div>5 org.squeak.Squeak$(VM_MONIKER)<span style="white-space:pre-wrap"> </span>0x00143c56 nativeIoProcessEvents + 208 (sqSqueakEventsAPI.m:70)</div><div>6 org.squeak.Squeak$(VM_MONIKER)<span style="white-space:pre-wrap"> </span>0x00143caa ioProcessEvents + 35 (sqSqueakEventsAPI.m:84)</div><div>7 org.squeak.Squeak$(VM_MONIKER)<span style="white-space:pre-wrap"> </span>0x000dc82a checkForEventsMayContextSwitch + 884 (gcc3x-cointerp.c:61595)</div><div>8 org.squeak.Squeak$(VM_MONIKER)<span style="white-space:pre-wrap"> </span>0x000dbaec handleStackOverflowOrEventAllowContextSwitch + 33 (gcc3x-cointerp.c:64780)</div><div>9 org.squeak.Squeak$(VM_MONIKER)<span style="white-space:pre-wrap"> </span>0x000dfb2e ceStackOverflow + 108 (gcc3x-cointerp.c:11701)</div><div>10 ??? <span style="white-space:pre-wrap"> </span>0x055262c6 0 + 89285318</div><div><br></div><div><div dir="ltr"><div><span style="font-size:small;border-collapse:separate"><div>_,,,^..^,,,_<br></div><div>best, Eliot</div></span></div></div></div>
</div>
</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr">===========================================================================<br>John M. McIntosh. Corporate Smalltalk Consulting Ltd <a href="https://www.linkedin.com/in/smalltalk" target="_blank">https://www.linkedin.com/in/smalltalk</a><br>===========================================================================<br></div></div></div></div>
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