Bug 55222

Summary: Test apps crash silently (without invoking post-mortem debugger) when launched from Cygwin 1.7
Product: WebKit Reporter: Adam Roben (:aroben) <aroben>
Component: Tools / TestsAssignee: Nobody <webkit-unassigned>
Status: RESOLVED FIXED    
Severity: Normal CC: buildbot, sfalken
Priority: P2 Keywords: PlatformOnly
Version: 528+ (Nightly build)   
Hardware: PC   
OS: Windows XP   
Bug Depends on:    
Bug Blocks: 44135    
Attachments:
Description Flags
Work around Cygwin's crash-suppression behavior
none
Work around Cygwin's crash-suppression behavior darin: review+

Adam Roben (:aroben)
Reported 2011-02-25 08:57:39 PST
To reproduce: 1. Add a CRASH() call to main() in DumpRenderTree.cpp 2. run-webkit-tests DRT crashes, but the post-mortem debugger doesn't get a chance to attach. It just crashes silently.
Attachments
Work around Cygwin's crash-suppression behavior (7.35 KB, patch)
2011-02-25 09:05 PST, Adam Roben (:aroben) 		no flags
DetailsFormatted DiffDiff
Work around Cygwin's crash-suppression behavior (8.82 KB, patch)
2011-02-25 09:13 PST, Adam Roben (:aroben) 		darin: review+
DetailsFormatted DiffDiff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
Adam Roben (:aroben)
Comment 1 2011-02-25 08:57:53 PST
It looks like Cygwin calls ::SetErrorMode(SEM_FAILCRITICALERRORS), which causes this behavior. We can work around it by calling ::SetErrorMode(0) when DRT launches.
Adam Roben (:aroben)
Comment 2 2011-02-25 09:05:43 PST
Created attachment 83820 [details] Work around Cygwin's crash-suppression behavior
Adam Roben (:aroben)
Comment 3 2011-02-25 09:13:37 PST
Created attachment 83821 [details] Work around Cygwin's crash-suppression behavior
Adam Roben (:aroben)
Comment 4 2011-02-25 10:48:57 PST
Committed r79695: <http://trac.webkit.org/changeset/79695>
Build Bot
Comment 5 2011-02-25 10:55:06 PST
Attachment 83820 [details] did not build on win: Build output: http://queues.webkit.org/results/8044349
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