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ole32: Store the dispatch parameters in the message state structure to allow them to be initialised earlier in the sequence of IRpcChannelBuffer calls.

This commit is contained in:
Rob Shearman 2007-11-26 22:50:32 +00:00 committed by Alexandre Julliard
parent 50532d8b4d
commit 6262230a4b
1 changed files with 24 additions and 23 deletions
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47
dlls/ole32/rpc.c
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@ -127,6 +127,9 @@ struct message_state
RPC_BINDING_HANDLE binding_handle;
ULONG prefix_data_len;
SChannelHookCallInfo channel_hook_info;
/* client only */
struct dispatch_params params;
};
typedef struct
@ -600,6 +603,7 @@ static HRESULT WINAPI ClientRpcChannelBuffer_GetBuffer(LPRPCCHANNELBUFFER iface,
message_state->channel_hook_info.dwServerPid = This->server_pid;
message_state->channel_hook_info.iMethod = msg->ProcNum;
message_state->channel_hook_info.pObject = NULL; /* only present on server-side */
memset(&message_state->params, 0, sizeof(message_state->params));
extensions_size = ChannelHooks_ClientGetSize(&message_state->channel_hook_info,
&channel_hook_data, &channel_hook_count, &extension_count);
@ -731,7 +735,6 @@ static HRESULT WINAPI ClientRpcChannelBuffer_SendReceive(LPRPCCHANNELBUFFER ifac
RPC_MESSAGE *msg = (RPC_MESSAGE *)olemsg;
RPC_STATUS status;
DWORD index;
struct dispatch_params *params;
APARTMENT *apt = NULL;
IPID ipid;
struct message_state *message_state;
@ -762,18 +765,15 @@ static HRESULT WINAPI ClientRpcChannelBuffer_SendReceive(LPRPCCHANNELBUFFER ifac
return RPC_E_CANTCALLOUT_ININPUTSYNCCALL;
}
params = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*params));
if (!params) return E_OUTOFMEMORY;
message_state = (struct message_state *)msg->Handle;
/* restore the binding handle and the real start of data */
msg->Handle = message_state->binding_handle;
msg->Buffer = (char *)msg->Buffer - message_state->prefix_data_len;
msg->BufferLength += message_state->prefix_data_len;
params->msg = olemsg;
params->status = RPC_S_OK;
params->hr = S_OK;
message_state->params.msg = olemsg;
message_state->params.status = RPC_S_OK;
message_state->params.hr = S_OK;
/* Note: this is an optimization in the Microsoft OLE runtime that we need
* to copy, as shown by the test_no_couninitialize_client test. without
@ -783,14 +783,17 @@ static HRESULT WINAPI ClientRpcChannelBuffer_SendReceive(LPRPCCHANNELBUFFER ifac
* from DllMain */
RpcBindingInqObject(message_state->binding_handle, &ipid);
hr = ipid_get_dispatch_params(&ipid, &apt, &params->stub, &params->chan,
&params->iid, &params->iface);
params->handle = ClientRpcChannelBuffer_GetEventHandle(This);
hr = ipid_get_dispatch_params(&ipid, &apt, &message_state->params.stub,
&message_state->params.chan,
&message_state->params.iid,
&message_state->params.iface);
message_state->params.handle = ClientRpcChannelBuffer_GetEventHandle(This);
if ((hr == S_OK) && !apt->multi_threaded)
{
TRACE("Calling apartment thread 0x%08x...\n", apt->tid);
if (!PostMessageW(apartment_getwindow(apt), DM_EXECUTERPC, 0, (LPARAM)params))
if (!PostMessageW(apartment_getwindow(apt), DM_EXECUTERPC, 0,
(LPARAM)&message_state->params))
{
ERR("PostMessage failed with error %u\n", GetLastError());
hr = HRESULT_FROM_WIN32(GetLastError());
@ -802,10 +805,10 @@ static HRESULT WINAPI ClientRpcChannelBuffer_SendReceive(LPRPCCHANNELBUFFER ifac
{
/* otherwise, we go via RPC runtime so the stub and channel aren't
* needed here */
IRpcStubBuffer_Release(params->stub);
params->stub = NULL;
IRpcChannelBuffer_Release(params->chan);
params->chan = NULL;
IRpcStubBuffer_Release(message_state->params.stub);
message_state->params.stub = NULL;
IRpcChannelBuffer_Release(message_state->params.chan);
message_state->params.chan = NULL;
}
/* we use a separate thread here because we need to be able to
@ -814,7 +817,7 @@ static HRESULT WINAPI ClientRpcChannelBuffer_SendReceive(LPRPCCHANNELBUFFER ifac
* and re-enter this STA from an incoming server thread will
* deadlock. InstallShield is an example of that.
*/
if (!QueueUserWorkItem(rpc_sendreceive_thread, params, WT_EXECUTEDEFAULT))
if (!QueueUserWorkItem(rpc_sendreceive_thread, &message_state->params, WT_EXECUTEDEFAULT))
{
ERR("QueueUserWorkItem failed with error %u\n", GetLastError());
hr = E_UNEXPECTED;
@ -826,22 +829,20 @@ static HRESULT WINAPI ClientRpcChannelBuffer_SendReceive(LPRPCCHANNELBUFFER ifac
if (hr == S_OK)
{
if (WaitForSingleObject(params->handle, 0))
if (WaitForSingleObject(message_state->params.handle, 0))
{
COM_CurrentInfo()->pending_call_count_client++;
hr = CoWaitForMultipleHandles(0, INFINITE, 1, &params->handle, &index);
hr = CoWaitForMultipleHandles(0, INFINITE, 1, &message_state->params.handle, &index);
COM_CurrentInfo()->pending_call_count_client--;
}
}
ClientRpcChannelBuffer_ReleaseEventHandle(This, params->handle);
ClientRpcChannelBuffer_ReleaseEventHandle(This, message_state->params.handle);
/* for WM shortcut, faults are returned in params->hr */
if (hr == S_OK)
hrFault = params->hr;
hrFault = message_state->params.hr;
status = params->status;
HeapFree(GetProcessHeap(), 0, params);
params = NULL;
status = message_state->params.status;
orpcthat.flags = ORPCF_NULL;
orpcthat.extensions = NULL;