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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=16621 mod_win32.c 1.16 cgi "detached" fix breaks pipes Summary: mod_win32.c 1.16 cgi "detached" fix breaks pipes Product: Apache httpd-2.0 Version: 2.0.44 Platform: PC URL: http://cvs.apache.org/viewcvs.cgi/httpd- 2.0/modules/arch/win32/mod_win32.c?rev=1.16&only_with_ta g=APACHE_2_0_37&content-type=text/vnd.viewcvs-markup OS/Version: Windows NT/2K Status: NEW Severity: Normal Priority: Other Component: Platform AssignedTo: [email protected] ReportedBy: [EMAIL PROTECTED] Something in the mod_win32.c 1.16 change for PR 8387 (new bugzilla database) <http://cvs.apache.org/viewcvs.cgi/httpd-2.0/modules/arch/win32/mod_win32.c?rev=1.16&only_with_tag=APACHE_2_0_37&content-type=text/vnd.viewcvs-markup> causes a CGI (Win32 console application) to be unable to read stdout from a spawned process (another Win32 console application). File handles are duplicated and the child process created as documented on MSDN <http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dllproc/base/creating_a_child_process_with_redirected_input_and_output.asp>. The problem is that ReadFile in the parent immediately returns 109 (ERROR_BROKEN_PIPE). Applying the following change to mod_win32.c (2.0.44) makes the problem go away: 543,544d542 < e_info->detached = 1; < At this point, the parent can properly read the stdout generated by the child. The problem and solution apply both when apache is run as a service or console application. A side note: With and without my patch above, when apache is run as a console application, a cmd.exe window appears on the screen when the CGI is executed (perhaps PR 8387 is not completely fixed?). Our apache runs as a service, so the cmd.exe windows don't bother us. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
