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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=23982 Apache 2.xx is incompatible with Winsock 2.0 Summary: Apache 2.xx is incompatible with Winsock 2.0 Product: Apache httpd-2.0 Version: 2.0.47 Platform: PC OS/Version: Windows XP Status: NEW Severity: Major Priority: Other Component: Core AssignedTo: [email protected] ReportedBy: [EMAIL PROTECTED] There is a bug (or incompatibility) in function apr_socket_sendfile defined in sendrecv.c which is part of APR project. After you call function TransmitFile than you try to wait for the completion using WaitForSingleObject, where the socket handle is used as a wait_object. This is wrong. There can be installed Winsock LSP (Layered Service Provider) on the system, which intercepts communication between application (Apache) and winsock driver. Socket handles returned from the LSP are not compatible with "normal" system handles. To be fully compatible with Winsock 2.0 you have to create new wait_handle and use it with WaitForSingleObject. You have already did this job - define WAIT_FOR_EVENT somewhere in the sendrecv.c. But there is another incompatibility in the apr_socket_sendfile. When the WaitForSingleObject released then you try to read operation status using function GetOverlappedResult. But Winsock 2.0 compatible application must use WinSock 2.0 library function WSAGetOverlappedResult. Note that first argument must be the socket not the wait_handle (as it is in current source code version). This problem was discovered when i tested program called NetLimiter (www.netlimiter.com), which uses Winsock 2.0 LSP. TransmitFile is available only on Win2k and newer Windows system so this problem apears only on these systems. The result of this incompatibility causes that Apache does not work properly - www pages showed are without pictures etc.. After i recompiled the APR project with the changes i've mentioned, the problems disapeared. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
