git.c File Reference

#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "objbase.h"
#include "ole2.h"
#include "winerror.h"
#include "compobj_private.h"
#include "wine/list.h"
#include "wine/debug.h"

Include dependency graph for git.c:

Go to the source code of this file.

Classes
struct	StdGITEntry
struct	StdGlobalInterfaceTableImpl

Macros
#define	COBJMACROS

Typedefs
typedef struct StdGITEntry	StdGITEntry
typedef struct StdGlobalInterfaceTableImpl	StdGlobalInterfaceTableImpl

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (ole)
static StdGlobalInterfaceTableImpl *	impl_from_IGlobalInterfaceTable (IGlobalInterfaceTable *iface)
static StdGITEntry *	StdGlobalInterfaceTable_FindEntry (StdGlobalInterfaceTableImpl *This, DWORD cookie)
static HRESULT WINAPI	StdGlobalInterfaceTable_QueryInterface (IGlobalInterfaceTable *iface, REFIID riid, void **ppvObject)
static ULONG WINAPI	StdGlobalInterfaceTable_AddRef (IGlobalInterfaceTable *iface)
static ULONG WINAPI	StdGlobalInterfaceTable_Release (IGlobalInterfaceTable *iface)
static HRESULT WINAPI	StdGlobalInterfaceTable_RegisterInterfaceInGlobal (IGlobalInterfaceTable *iface, IUnknown *pUnk, REFIID riid, DWORD *pdwCookie)
static HRESULT WINAPI	StdGlobalInterfaceTable_RevokeInterfaceFromGlobal (IGlobalInterfaceTable *iface, DWORD dwCookie)
static HRESULT WINAPI	StdGlobalInterfaceTable_GetInterfaceFromGlobal (IGlobalInterfaceTable *iface, DWORD dwCookie, REFIID riid, void **ppv)
HRESULT WINAPI	GlobalInterfaceTable_CreateInstance (IClassFactory *iface, IUnknown *outer, REFIID riid, void **obj)
void	release_std_git (void)

Variables
static IGlobalInterfaceTable *	std_git
static CRITICAL_SECTION	git_section = { &critsect_debug, -1, 0, 0, 0, 0 }
static CRITICAL_SECTION_DEBUG	critsect_debug
static const IGlobalInterfaceTableVtbl	StdGlobalInterfaceTableImpl_Vtbl

Macro Definition Documentation

COBJMACROS

#define COBJMACROS

Definition at line 29 of file git.c.

Typedef Documentation

StdGITEntry

typedef struct StdGITEntry StdGITEntry

StdGlobalInterfaceTableImpl

typedef struct StdGlobalInterfaceTableImpl StdGlobalInterfaceTableImpl

Function Documentation

GlobalInterfaceTable_CreateInstance()

HRESULT WINAPI GlobalInterfaceTable_CreateInstance	(	IClassFactory *	iface,
		IUnknown *	outer,
		REFIID	riid,
		void **	obj
	)

Definition at line 303 of file git.c.

{
    StdGlobalInterfaceTableImpl *git;
 
    if (!std_git)
    {
        git = malloc(sizeof(*git));
        if (!git) return E_OUTOFMEMORY;
 
        git->IGlobalInterfaceTable_iface.lpVtbl = &StdGlobalInterfaceTableImpl_Vtbl;
        list_init(&git->list);
        git->nextCookie = 0xf100; /* that's where windows starts, so that's where we start */
 
        if (InterlockedCompareExchangePointer((void **)&std_git, &git->IGlobalInterfaceTable_iface, NULL))
        {
            free(git);
        }
        else
            TRACE("Created the GIT %p\n", git);
    }
 
    return IGlobalInterfaceTable_QueryInterface(std_git, riid, obj);
}

impl_from_IGlobalInterfaceTable()

static StdGlobalInterfaceTableImpl * impl_from_IGlobalInterfaceTable ( IGlobalInterfaceTable *  iface )

inlinestatic

Definition at line 84 of file git.c.

{
  return CONTAINING_RECORD(iface, StdGlobalInterfaceTableImpl, IGlobalInterfaceTable_iface);
}

Referenced by release_std_git(), StdGlobalInterfaceTable_GetInterfaceFromGlobal(), StdGlobalInterfaceTable_RegisterInterfaceInGlobal(), and StdGlobalInterfaceTable_RevokeInterfaceFromGlobal().

release_std_git()

void release_std_git

(

void

)

Definition at line 327 of file git.c.

{
    StdGlobalInterfaceTableImpl *git;
    StdGITEntry *entry, *entry2;
 
    if (!std_git) return;
 
    git = impl_from_IGlobalInterfaceTable(std_git);
    LIST_FOR_EACH_ENTRY_SAFE(entry, entry2, &git->list, StdGITEntry, entry)
    {
        list_remove(&entry->entry);
 
        CoReleaseMarshalData(entry->stream);
        IStream_Release(entry->stream);
        free(entry);
    }
 
    free(git);
}

Referenced by DllMain().

StdGlobalInterfaceTable_AddRef()

static ULONG WINAPI StdGlobalInterfaceTable_AddRef ( IGlobalInterfaceTable *  iface )

static

Definition at line 140 of file git.c.

{
  return 1;
}

StdGlobalInterfaceTable_FindEntry()

static StdGITEntry * StdGlobalInterfaceTable_FindEntry ( StdGlobalInterfaceTableImpl *  This, DWORD  cookie  )

static

Definition at line 93 of file git.c.

{
  StdGITEntry* e;
 
  TRACE("%p, %#lx.\n", This, cookie);
 
  LIST_FOR_EACH_ENTRY(e, &This->list, StdGITEntry, entry) {
    if (e->cookie == cookie)
      return e;
  }
 
  TRACE("Entry not found\n");
  return NULL;
}

Referenced by StdGlobalInterfaceTable_GetInterfaceFromGlobal(), and StdGlobalInterfaceTable_RevokeInterfaceFromGlobal().

StdGlobalInterfaceTable_GetInterfaceFromGlobal()

static HRESULT WINAPI StdGlobalInterfaceTable_GetInterfaceFromGlobal ( IGlobalInterfaceTable *  iface, DWORD  dwCookie, REFIID  riid, void **  ppv  )

static

Definition at line 249 of file git.c.

{
  StdGlobalInterfaceTableImpl* This = impl_from_IGlobalInterfaceTable(iface);
  StdGITEntry* entry;
  HRESULT hres;
  IStream *stream;
 
  TRACE("%#lx, %s, %p.\n", dwCookie, debugstr_guid(riid), ppv);
 
  EnterCriticalSection(&git_section);
 
  entry = StdGlobalInterfaceTable_FindEntry(This, dwCookie);
  if (entry == NULL) {
    WARN("Entry for cookie %#lx not found\n", dwCookie);
    LeaveCriticalSection(&git_section);
    return E_INVALIDARG;
  }
 
  TRACE("entry=%p\n", entry);
 
  hres = IStream_Clone(entry->stream, &stream);
 
  LeaveCriticalSection(&git_section);
 
  if (hres != S_OK) {
    WARN("Failed to clone stream with error %#lx.\n", hres);
    return hres;
  }
 
  /* unmarshal the interface */
  hres = CoUnmarshalInterface(stream, riid, ppv);
  IStream_Release(stream);
 
  if (hres != S_OK) {
    WARN("Failed to unmarshal stream\n");
    return hres;
  }
 
  TRACE("ppv=%p\n", *ppv);
  return S_OK;
}

StdGlobalInterfaceTable_QueryInterface()

static HRESULT WINAPI StdGlobalInterfaceTable_QueryInterface ( IGlobalInterfaceTable *  iface, REFIID  riid, void **  ppvObject  )

static

Definition at line 114 of file git.c.

{
  /* Make sure silly coders can't crash us */
  if (ppvObject == 0) return E_INVALIDARG;
 
  *ppvObject = 0; /* assume we don't have the interface */
 
  /* Do we implement that interface? */
  if (IsEqualIID(&IID_IUnknown, riid) ||
      IsEqualIID(&IID_IGlobalInterfaceTable, riid))
  {
    *ppvObject = iface;
  }
  else
  {
    FIXME("(%s), not supported.\n", debugstr_guid(riid));
    return E_NOINTERFACE;
  }
 
  /* Now inc the refcount */
  IGlobalInterfaceTable_AddRef(iface);
  return S_OK;
}

StdGlobalInterfaceTable_RegisterInterfaceInGlobal()

static HRESULT WINAPI StdGlobalInterfaceTable_RegisterInterfaceInGlobal ( IGlobalInterfaceTable *  iface, IUnknown *  pUnk, REFIID  riid, DWORD *  pdwCookie  )

static

Definition at line 156 of file git.c.

{
  StdGlobalInterfaceTableImpl* const This = impl_from_IGlobalInterfaceTable(iface);
  IStream* stream = NULL;
  HRESULT hres;
  StdGITEntry* entry;
  LARGE_INTEGER zero;
 
  TRACE("iface=%p, pUnk=%p, riid=%s, pdwCookie=0x%p\n", iface, pUnk, debugstr_guid(riid), pdwCookie);
 
  if (pUnk == NULL) return E_INVALIDARG;
  
  /* marshal the interface */
  TRACE("About to marshal the interface\n");
 
  hres = CreateStreamOnHGlobal(0, TRUE, &stream);
  if (hres != S_OK) return hres;
  hres = CoMarshalInterface(stream, riid, pUnk, MSHCTX_INPROC, NULL, MSHLFLAGS_TABLESTRONG);
  if (hres != S_OK)
  {
    IStream_Release(stream);
    return hres;
  }
 
  zero.QuadPart = 0;
  IStream_Seek(stream, zero, STREAM_SEEK_SET, NULL);
 
  entry = malloc(sizeof(*entry));
  if (!entry)
  {
      CoReleaseMarshalData(stream);
      IStream_Release(stream);
      return E_OUTOFMEMORY;
  }
 
  EnterCriticalSection(&git_section);
  
  entry->iid = *riid;
  entry->stream = stream;
  entry->cookie = This->nextCookie;
  This->nextCookie++; /* inc the cookie count */
 
  /* insert the new entry at the end of the list */
  list_add_tail(&This->list, &entry->entry);
 
  /* and return the cookie */
  *pdwCookie = entry->cookie;
  
  LeaveCriticalSection(&git_section);
  
  TRACE("Cookie is %#lx\n", entry->cookie);
  return S_OK;
}

StdGlobalInterfaceTable_Release()

static ULONG WINAPI StdGlobalInterfaceTable_Release ( IGlobalInterfaceTable *  iface )

static

Definition at line 146 of file git.c.

{
  return 1;
}

StdGlobalInterfaceTable_RevokeInterfaceFromGlobal()

static HRESULT WINAPI StdGlobalInterfaceTable_RevokeInterfaceFromGlobal ( IGlobalInterfaceTable *  iface, DWORD  dwCookie  )

static

Definition at line 213 of file git.c.

{
  StdGlobalInterfaceTableImpl* This = impl_from_IGlobalInterfaceTable(iface);
  StdGITEntry* entry;
  HRESULT hr;
 
  TRACE("%p, %#lx.\n", iface, dwCookie);
 
  EnterCriticalSection(&git_section);
 
  entry = StdGlobalInterfaceTable_FindEntry(This, dwCookie);
  if (entry == NULL) {
    TRACE("Entry not found\n");
    LeaveCriticalSection(&git_section);
    return E_INVALIDARG; /* not found */
  }
 
  list_remove(&entry->entry);
 
  LeaveCriticalSection(&git_section);
  
  /* Free the stream */
  hr = CoReleaseMarshalData(entry->stream);
  if (hr != S_OK)
  {
    WARN("Failed to release marshal data, hr = %#lx\n", hr);
    return hr;
  }
  IStream_Release(entry->stream);
 
  free(entry);
  return S_OK;
}

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

ole

)

Variable Documentation

critsect_debug

CRITICAL_SECTION_DEBUG critsect_debug

static

Initial value:

=
{
    0, 0, &git_section,
    { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
      0, 0, { (DWORD_PTR)(__FILE__ ": global interface table") }
}

Definition at line 75 of file git.c.

git_section

static CRITICAL_SECTION git_section = { &critsect_debug, -1, 0, 0, 0, 0 }

static

Definition at line 74 of file git.c.

Referenced by StdGlobalInterfaceTable_GetInterfaceFromGlobal(), StdGlobalInterfaceTable_RegisterInterfaceInGlobal(), and StdGlobalInterfaceTable_RevokeInterfaceFromGlobal().

std_git

IGlobalInterfaceTable* std_git

static

Definition at line 72 of file git.c.

Referenced by GlobalInterfaceTable_CreateInstance(), and release_std_git().

StdGlobalInterfaceTableImpl_Vtbl

const IGlobalInterfaceTableVtbl StdGlobalInterfaceTableImpl_Vtbl

static

Initial value:

=
{
    StdGlobalInterfaceTable_QueryInterface,
    StdGlobalInterfaceTable_AddRef,
    StdGlobalInterfaceTable_Release,
    StdGlobalInterfaceTable_RegisterInterfaceInGlobal,
    StdGlobalInterfaceTable_RevokeInterfaceFromGlobal,
    StdGlobalInterfaceTable_GetInterfaceFromGlobal
}

Definition at line 293 of file git.c.

Referenced by GlobalInterfaceTable_CreateInstance().