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From: lprimak@hope.nyc.ny.us To: gcc-gnats@gcc.gnu.org Subject: libstdc++/7168: C++ Exceptions in Multithreaded Applications Crash (cygwin) Date: Sat, 29 Jun 2002 15:46:00 -0000 [thread overview] Message-ID: <20020629213927.3900.qmail@sources.redhat.com> (raw) >Number: 7168 >Category: libstdc++ >Synopsis: C++ Exceptions in Multithreaded Applications Crash (cygwin) >Confidential: no >Severity: critical >Priority: medium >Responsible: unassigned >State: open >Class: sw-bug >Submitter-Id: net >Arrival-Date: Sat Jun 29 14:46:00 PDT 2002 >Closed-Date: >Last-Modified: >Originator: Lenny Primak >Release: 2.95.3-5 (cygwin special) >Organization: >Environment: Cygwin stock cygwin.com 1.3 install, MS Windows (any) >Description: Superceeds gnats/7167, using the C++ exception system from multiple threads corrupts the gcc's internal exception stack, due to not including the thread-specific exception context in the compile. >How-To-Repeat: The attached program will determine whether the exception context is thread-specific or not >Fix: Looking for one >Release-Note: >Audit-Trail: >Unformatted: ----gnatsweb-attachment---- Content-Type: application/octet-stream; name="gcc_exception.C" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="gcc_exception.C" I2luY2x1ZGUgPHN0ZGlvLmg+CiNpbmNsdWRlIDxwdGhyZWFkLmg+CiNpbmNsdWRlIDxzeXMvcG9s bC5oPgoKCmV4dGVybiAiQyIgdm9pZCAqCl9fZ2V0X2VoX2NvbnRleHQgKCk7CgoKc3RhdGljIHZv aWQqIHNhdmVkX2VoX2NvbnRleHQgPSAwOwoKc3RhdGljIHZvaWQqIGZ1bmModm9pZCopIHRocm93 KGNoYXIqKQp7Cgl2b2lkKiBlaF9jbnR4dCA9IF9fZ2V0X2VoX2NvbnRleHQoKTsKCXByaW50Zigi ZnVuYygpIC0gZWhfY29udGV4dCA9ICVYXG4iLCBlaF9jbnR4dCk7CglpZihzYXZlZF9laF9jb250 ZXh0ID09IDApCgl7CgkJc2F2ZWRfZWhfY29udGV4dCA9IGVoX2NudHh0OwoJfQoJZWxzZQoJewoJ CWlmKGVoX2NudHh0ID09IHNhdmVkX2VoX2NvbnRleHQpCgkJewoJCQlwcmludGYoIkZBVEFMOiBJ ZGVudGljYWwgRXhjZXB0aW9uIFN0YWNrcyFcbiIpOwoJCX0KCQllbHNlCgkJewoJCQlwcmludGYo IkdyZWF0ISBFeGNlcHRpb24gU3RhY2tzIERpZmZlci5cbiIpOwoJCX0KCX0KCWludCBzdmFyID0g NTsKCXRyeSB7CgkJdGhyb3cgMTsKCX0KCWNhdGNoKGNoYXIqKQoJewoJCXByaW50ZigiY2F1Z2h0 IHN0cmluZ1xuIik7Cgl9CgljYXRjaChpbnQpCgl7CgkJLy8gbm90aGluZwoJfQoKCXBvbGwoMCwg MCwgNTAwMCk7CglyZXR1cm4gMDsKfQoKaW50IG1haW4oKQp7CglwdGhyZWFkX3QgdGhyLCB0aHIy OwoJcHRocmVhZF9jcmVhdGUoJnRociwgMCwgJmZ1bmMsIDApOwoJcG9sbCgwLCAwLCAxMDAwKTsK CXB0aHJlYWRfY3JlYXRlKCZ0aHIyLCAwLCAmZnVuYywgMCk7CglwdGhyZWFkX2pvaW4odGhyLCAw KTsKCXB0aHJlYWRfam9pbih0aHIyLCAwKTsKCXJldHVybiAwOwp9Cg==
next reply other threads:[~2002-06-29 21:46 UTC|newest] Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top 2002-06-29 15:46 lprimak [this message] 2002-07-01 15:46 Phil Edwards 2002-07-01 21:16 Lenny Primak 2002-07-03 9:38 bkoz 2002-07-03 10:26 Lenny Primak 2002-07-03 10:56 Lenny Primak 2002-07-03 10:56 Benjamin Kosnik 2002-07-10 19:26 Lenny Primak 2002-07-25 13:15 bkoz
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