instance.c File Reference

#include "precomp.h"

Go to the source code of this file.

Defines
#define	INST_GROW_COUNT   4
#define	perrs   ((MONERRSTRUCT *)&pep->Data)
Functions
HANDLE	AddInstance (HANDLE hInstServer)
HANDLE	DestroyInstance (HANDLE hInstClient)
PCL_INSTANCE_INFO	ValidateInstance (HANDLE hInstClient)
VOID	SetLastDDEMLError (PCL_INSTANCE_INFO pcii, DWORD error)
Variables
PHANDLE	aInstance = NULL
int	cInstAllocated = 0
int	iFirstFreeInst = 0

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Define Documentation

#define INST_GROW_COUNT   4

Definition at line 17 of file instance.c. Referenced by AddInstance().

#define perrs   ((MONERRSTRUCT *)&pep->Data)

Referenced by SetLastDDEMLError().

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Function Documentation

HANDLE AddInstance (  HANDLE  hInstServer  )

Definition at line 40 of file instance.c. References aInstance, cInstAllocated, CreateHandle(), DDEMLAlloc, DDEMLReAlloc, HTYPE_INSTANCE, iFirstFreeInst, INST_GROW_COUNT, MAX_INST, and UINT. Referenced by InternalDdeInitialize(). { int i, iNextFree; PHANDLE ph; if (iFirstFreeInst >= cInstAllocated) { if (cInstAllocated == 0) { aInstance = (PHANDLE)DDEMLAlloc(sizeof(HANDLE) * INST_GROW_COUNT); } else { aInstance = (PHANDLE)DDEMLReAlloc((PVOID)aInstance, sizeof(HANDLE) * (cInstAllocated + INST_GROW_COUNT)); } if (aInstance == 0) { return (0); } ph = &aInstance[cInstAllocated]; i = cInstAllocated + 1; while (i <= cInstAllocated + INST_GROW_COUNT) { *ph++ = (HANDLE)(UINT_PTR)(UINT)i++; } cInstAllocated += INST_GROW_COUNT; } iNextFree = HandleToUlong(aInstance[iFirstFreeInst]); if (iNextFree > MAX_INST) { /* * Instance limit for this process exceeded! */ return(0); } aInstance[iFirstFreeInst] = hInstServer; i = iFirstFreeInst; iFirstFreeInst = iNextFree; return (CreateHandle(0, HTYPE_INSTANCE, i)); }

HANDLE DestroyInstance (  HANDLE  hInstClient  )

Definition at line 87 of file instance.c. References aInstance, DestroyHandle(), iFirstFreeInst, and InstFromHandle. Referenced by DdeUninitialize(). { register HANDLE hInstServerRet = 0; DestroyHandle(hInstClient); hInstServerRet = aInstance[InstFromHandle(hInstClient)]; aInstance[InstFromHandle(hInstClient)] = (HANDLE)UIntToPtr( iFirstFreeInst ); iFirstFreeInst = InstFromHandle(hInstClient); return (hInstServerRet); }

VOID SetLastDDEMLError (  PCL_INSTANCE_INFO  pcii, DWORD  error )

Definition at line 137 of file instance.c. References tagCL_INSTANCE_INFO::afCmd, DDEMLAlloc, DWORD, EnterDDECrit, Event(), GetCurrentProcessId, tagCL_INSTANCE_INFO::LastError, LeaveDDECrit, tagCL_INSTANCE_INFO::MonitorFlags, NtGetTickCount(), NULL, pep, perrs, tagCL_INSTANCE_INFO::tid, TRUE, and VOID(). Referenced by AddLink(), BestSetLastDDEMLError(), ClRespRequestData(), ClSpontAdviseData(), ClStartAdvise(), ClStartExecute(), ClStartPoke(), ClStartRequest(), ClStartUnadvise(), ConnectConv(), DdeAbandonTransaction(), DdeAddData(), DdeClientTransaction(), DdeConnect(), DdeConnectList(), DdeCreateDataHandle(), DdeEnableCallback(), DdeFreeStringHandle(), DdeGetData(), DdeKeepStringHandle(), DdeNameService(), DdePostAdvise(), DdeQueryConvInfo(), DdeQueryNextServer(), DdeReconnect(), InternalDdeQueryString(), MonitorConv(), MonitorLink(), MonitorStringHandle(), SvSpontAdvise(), SvSpontExecute(), SvSpontPoke(), SvSpontRequest(), SvSpontUnadvise(), SvStartAdviseUpdate(), TransactionComplete(), ValidateConnectParameters(), and ValidateTransaction(). { PEVENT_PACKET pep; if (pcii->MonitorFlags & MF_ERRORS && !(pcii->afCmd & APPCLASS_MONITOR)) { pep = (PEVENT_PACKET)DDEMLAlloc(sizeof(EVENT_PACKET) - sizeof(DWORD) + sizeof(MONERRSTRUCT)); if (pep != NULL) { pep->EventType = MF_ERRORS; pep->fSense = TRUE; pep->cbEventData = sizeof(MONERRSTRUCT); #define perrs ((MONERRSTRUCT *)&pep->Data) perrs->cb = sizeof(MONERRSTRUCT); perrs->wLastError = (WORD)error; perrs->dwTime = NtGetTickCount(); perrs->hTask = (HANDLE)LongToHandle( pcii->tid ); #undef perrs LeaveDDECrit; Event(pep); EnterDDECrit; } } #if DBG if (error != 0 && error != DMLERR_NO_CONV_ESTABLISHED) { RIPMSG3(RIP_WARNING, "DDEML Error set=%x, Client Instance=%x, Process=%x.", error, pcii, GetCurrentProcessId()); } #endif pcii->LastError = error; }

PCL_INSTANCE_INFO ValidateInstance (  HANDLE  hInstClient  )

Definition at line 111 of file instance.c. References HINST_ANY, tagCL_INSTANCE_INFO::hInstClient, HTYPE_INSTANCE, NULL, tagCL_INSTANCE_INFO::tid, and ValidateCHandle(). Referenced by DdeAbandonTransaction(), DdeCreateDataHandle(), DdeEnableCallback(), DdeFreeStringHandle(), DdeGetLastError(), DdeKeepStringHandle(), DDEMLClientWndProc(), DdeNameService(), DdePostAdvise(), DdeUninitialize(), InternalDdeCreateStringHandle(), InternalDdeInitialize(), InternalDdeQueryString(), ValidateConnectParameters(), and ValidateTransaction(). { PCL_INSTANCE_INFO pcii; pcii = (PCL_INSTANCE_INFO)ValidateCHandle(hInstClient, HTYPE_INSTANCE, HINST_ANY); if (pcii != NULL) { if (pcii->tid != GetCurrentThreadId() || pcii->hInstClient != hInstClient) { return (NULL); } } return (pcii); }

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Variable Documentation

PHANDLE aInstance = NULL

Definition at line 21 of file instance.c. Referenced by AddInstance(), and DestroyInstance().

int cInstAllocated = 0

Definition at line 22 of file instance.c. Referenced by AddInstance().

int iFirstFreeInst = 0

Definition at line 23 of file instance.c. Referenced by AddInstance(), and DestroyInstance().

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