[Bug 2127] WriteFile fails on threaded applications

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=2127





------- Additional Comments From david.guembel at gmx.de  2005-03-10 05:14 -------
Aome additional info: A +file trace shows the following output in the relevant
section
-----------------------------------------------------------------------
trace:file:CreateFileW L"C:\\TESTLOG.LOG" FILE_SHARE_WRITE  creation 4
attributes 0x80
trace:file:RtlDosPathNameToNtPathName_U (L"C:\\TESTLOG.LOG",0x7f10ca10,(nil),(nil))
trace:file:RtlGetFullPathName_U (L"C:\\TESTLOG.LOG" 520 0x7f10c798 (nil))
trace:file:WriteFile 0x10 0x7ef045c8 41 0x7ef045b0 (nil)
trace:file:wine_nt_to_unix_file_name L"\\??\\C:\\TESTLOG.LOG" ->
"/home/guembel/.wine/dosdevices/c:/TESTLOG.LOG"
trace:file:WriteFile 0x42aa8 0x7ecfcabc 33 0x7ecfcaa8 (nil)
trace:file:CreateFileW returning 0x42ab8
trace:file:SetFilePointerEx handle 0x42ab8 offset 0 newpos 0x7f10ca68 origin 2
WriteFile Failed with GetLastError of 5
----------------------------------------------------------------------

The file the sample code is writing into exists, is owned by the user running
Wine, and has 640 permission.

The output the program shows is as follows:
--------------------------------------------------------
WriteFile Failed with GetLastError of 5
WriteFile Failed with GetLastError of 5
WriteFile Failed with GetLastError of 5
WriteFile Failed with GetLastError of 5
WriteFile Failed with GetLastError of 5
WriteFile Failed with GetLastError of 5
WriteFile Failed with GetLastError of 5
WriteFile Failed with GetLastError of 5
WriteFile Failed with GetLastError of 5
WriteFile Failed with GetLastError of 5
Created 10 Threads
WriteFile Failed with GetLastError of 5
WriteFile Failed with GetLastError of 5
[...]
---------------------------------------------------------

So WriteFile fails immediately after creating the first thread. The code that
made me run into the problem is slightly different. It uses k Threads, each
working on a different file doing open, read, close, open, write, close.

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