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kernel32: Set the new definition for an activation context, and implement adding/releasing references to it.

This commit is contained in:
Eric Pouech 2007-05-07 21:49:47 +02:00 committed by Alexandre Julliard
parent 80f41b4937
commit fe3869388a
1 changed files with 62 additions and 9 deletions
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71
dlls/kernel32/actctx.c
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@ -46,6 +46,14 @@ WINE_DEFAULT_DEBUG_CHANNEL(actctx);
#define ACTCTX_FAKE_HANDLE ((HANDLE) 0xf00baa)
#define ACTCTX_FAKE_COOKIE ((ULONG_PTR) 0xf00bad)
#define ACTCTX_MAGIC 0xC07E3E11
struct actctx
{
ULONG magic;
LONG ref_count;
};
/***********************************************************************
* CreateActCtxA (KERNEL32.@)
*
@ -130,15 +138,44 @@ done:
*/
HANDLE WINAPI CreateActCtxW(PCACTCTXW pActCtx)
{
FIXME("%p %08x\n", pActCtx, pActCtx ? pActCtx->dwFlags : 0);
struct actctx* actctx;
DWORD ret = ERROR_SUCCESS;
if (!pActCtx)
TRACE("%p %08x\n", pActCtx, pActCtx ? pActCtx->dwFlags : 0);
if (!pActCtx || pActCtx->cbSize != sizeof(*pActCtx) ||
(pActCtx->dwFlags & ~ACTCTX_FLAGS_ALL))
{
SetLastError(ERROR_INVALID_PARAMETER);
return INVALID_HANDLE_VALUE;
}
actctx = HeapAlloc(GetProcessHeap(), 0, sizeof(*actctx));
if (!actctx) return INVALID_HANDLE_VALUE;
actctx->magic = ACTCTX_MAGIC;
actctx->ref_count = 1;
if (ret == ERROR_SUCCESS)
{
return (HANDLE)actctx;
}
ReleaseActCtx((HANDLE)actctx);
SetLastError(ret);
return INVALID_HANDLE_VALUE;
if (pActCtx->cbSize != sizeof *pActCtx)
return INVALID_HANDLE_VALUE;
if (pActCtx->dwFlags & ~ACTCTX_FLAGS_ALL)
return INVALID_HANDLE_VALUE;
return ACTCTX_FAKE_HANDLE;
}
static struct actctx* check_actctx(HANDLE h)
{
struct actctx* actctx = (struct actctx*)h;
switch (actctx->magic)
{
case ACTCTX_MAGIC: return actctx;
default:
SetLastError(ERROR_INVALID_HANDLE);
return NULL;
}
}
/***********************************************************************
@ -204,7 +241,12 @@ BOOL WINAPI GetCurrentActCtx(HANDLE* phActCtx)
*/
void WINAPI AddRefActCtx(HANDLE hActCtx)
{
FIXME("%p\n", hActCtx);
struct actctx* actctx;
TRACE("%p\n", hActCtx);
if ((actctx = check_actctx(hActCtx)))
InterlockedIncrement( &actctx->ref_count );
}
/***********************************************************************
@ -214,7 +256,18 @@ void WINAPI AddRefActCtx(HANDLE hActCtx)
*/
void WINAPI ReleaseActCtx(HANDLE hActCtx)
{
FIXME("%p\n", hActCtx);
struct actctx* actctx;
TRACE("%p\n", hActCtx);
if ((actctx = check_actctx(hActCtx)))
{
if (!InterlockedDecrement( &actctx->ref_count ))
{
actctx->magic = 0;
HeapFree(GetProcessHeap(), 0, actctx);
}
}
}
/***********************************************************************