diff options
| author | lpleahy <lpleahy@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-10-08 21:39:35 +0000 |
|---|---|---|
| committer | lpleahy <lpleahy@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-10-08 21:39:35 +0000 |
| commit | 4652be0c5a106d0604c2d3274803fc0f844b0433 (patch) | |
| tree | be8f424d6afb3baad4753ed03d4ec3f8234a6dcb /StdLib/EfiSocketLib/Socket.c | |
| parent | e06a4cd134064590aa1a855ff4b973023279e805 (diff) | |
Fixed close for socket to properly release the socket context structure and the handle.
Signed-off-by: lpleahy
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13802 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'StdLib/EfiSocketLib/Socket.c')
| -rw-r--r-- | StdLib/EfiSocketLib/Socket.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/StdLib/EfiSocketLib/Socket.c b/StdLib/EfiSocketLib/Socket.c index e718e9bdf8..52e5f2948e 100644 --- a/StdLib/EfiSocketLib/Socket.c +++ b/StdLib/EfiSocketLib/Socket.c @@ -1946,6 +1946,168 @@ EslSocketCopyFragmentedBuffer ( /**
+ Free the socket.
+
+ This routine frees the socket structure and handle resources.
+
+ The ::close routine calls EslServiceFreeProtocol which then calls
+ this routine to free the socket context structure and close the
+ handle.
+
+ @param [in] pSocketProtocol Address of an ::EFI_SOCKET_PROTOCOL structure.
+
+ @param [out] pErrno Address to receive the errno value upon completion.
+
+ @retval EFI_SUCCESS The socket resources were returned successfully.
+
+ **/
+EFI_STATUS
+EslSocketFree (
+ IN EFI_SOCKET_PROTOCOL * pSocketProtocol,
+ IN int * pErrno
+ )
+{
+ EFI_HANDLE ChildHandle;
+ int errno;
+ ESL_LAYER * pLayer;
+ ESL_SOCKET * pSocket;
+ ESL_SOCKET * pSocketPrevious;
+ EFI_STATUS Status;
+ EFI_TPL TplPrevious;
+
+ DBG_ENTER ( );
+
+ //
+ // Assume failure
+ //
+ errno = EIO;
+ pSocket = NULL;
+ Status = EFI_INVALID_PARAMETER;
+
+ //
+ // Validate the socket
+ //
+ pLayer = &mEslLayer;
+ if ( NULL != pSocketProtocol ) {
+ pSocket = SOCKET_FROM_PROTOCOL ( pSocketProtocol );
+
+ //
+ // Synchronize with the socket layer
+ //
+ RAISE_TPL ( TplPrevious, TPL_SOCKETS );
+
+ //
+ // Walk the socket list
+ //
+ pSocketPrevious = pLayer->pSocketList;
+ if ( NULL != pSocketPrevious ) {
+ if ( pSocket == pSocketPrevious ) {
+ //
+ // Remove the socket from the head of the list
+ //
+ pLayer->pSocketList = pSocket->pNext;
+ }
+ else {
+ //
+ // Find the socket in the middle of the list
+ //
+ while (( NULL != pSocketPrevious )
+ && ( pSocket != pSocketPrevious->pNext )) {
+ //
+ // Set the next socket
+ //
+ pSocketPrevious = pSocketPrevious->pNext;
+ }
+ if ( NULL != pSocketPrevious ) {
+ //
+ // Remove the socket from the middle of the list
+ //
+ pSocketPrevious = pSocket->pNext;
+ }
+ }
+ }
+ else {
+ DEBUG (( DEBUG_ERROR | DEBUG_POOL,
+ "ERROR - Socket list is empty!\r\n" ));
+ }
+
+ //
+ // Release the socket layer synchronization
+ //
+ RESTORE_TPL ( TplPrevious );
+
+ //
+ // Determine if the socket was found
+ //
+ if ( NULL != pSocketPrevious ) {
+ pSocket->pNext = NULL;
+
+ //
+ // Remove the socket protocol
+ //
+ ChildHandle = pSocket->SocketProtocol.SocketHandle;
+ Status = gBS->UninstallMultipleProtocolInterfaces (
+ ChildHandle,
+ &gEfiSocketProtocolGuid,
+ &pSocket->SocketProtocol,
+ NULL );
+ if ( !EFI_ERROR ( Status )) {
+ DEBUG (( DEBUG_POOL | DEBUG_INFO,
+ "Removed: gEfiSocketProtocolGuid from 0x%08x\r\n",
+ ChildHandle ));
+
+ //
+ // Free the socket structure
+ //
+ Status = gBS->FreePool ( pSocket );
+ if ( !EFI_ERROR ( Status )) {
+ DEBUG (( DEBUG_POOL,
+ "0x%08x: Free pSocket, %d bytes\r\n",
+ pSocket,
+ sizeof ( *pSocket )));
+ errno = 0;
+ }
+ else {
+ DEBUG (( DEBUG_ERROR | DEBUG_POOL,
+ "ERROR - Failed to free pSocket 0x%08x, Status: %r\r\n",
+ pSocket,
+ Status ));
+ }
+ }
+ else {
+ DEBUG (( DEBUG_ERROR | DEBUG_POOL | DEBUG_INFO,
+ "ERROR - Failed to remove gEfiSocketProtocolGuid from 0x%08x, Status: %r\r\n",
+ ChildHandle,
+ Status ));
+ }
+ }
+ else {
+ DEBUG (( DEBUG_ERROR | DEBUG_INFO,
+ "ERROR - The socket was not in the socket list!\r\n" ));
+ Status = EFI_NOT_FOUND;
+ }
+ }
+ else {
+ DEBUG (( DEBUG_ERROR,
+ "ERROR - Invalid parameter pSocketProtocol is NULL\r\n" ));
+ }
+
+ //
+ // Return the errno value if possible
+ //
+ if ( NULL != pErrno ) {
+ *pErrno = errno;
+ }
+
+ //
+ // Return the operation status
+ //
+ DBG_EXIT_STATUS ( Status );
+ return Status;
+}
+
+
+/**
Get the local address.
This routine calls the network specific layer to get the network
|