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Fixed close for socket to properly release the socket context structure and the handle.

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Signed-off-by: lpleahy


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13802 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lpleahy
2012-10-08 21:39:35 +00:00
parent e06a4cd134
commit 4652be0c5a
7 changed files with 295 additions and 111 deletions
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162
StdLib/EfiSocketLib/Socket.c
View File

@@ -1945,6 +1945,168 @@ 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.