/*!
******************************************************************************
@Function PVRSRVLookupSubHandle
@Description Lookup the data pointer corresponding to a subhandle
@Input ppvData - location to return data pointer
hHandle - handle from client
eType - handle type
hAncestor - ancestor handle
@Output ppvData - points to the data pointer
@Return Error code or PVRSRV_OK
******************************************************************************/
PVRSRV_ERROR PVRSRVLookupSubHandle(PVRSRV_HANDLE_BASE *psBase,
IMG_PVOID *ppvData,
IMG_HANDLE hHandle,
PVRSRV_HANDLE_TYPE eType,
IMG_HANDLE hAncestor)
{
HANDLE_DATA *psPHandleData = IMG_NULL;
HANDLE_DATA *psCHandleData = IMG_NULL;
PVRSRV_ERROR eError;
/* PVRSRV_HANDLE_TYPE_NONE is reserved for internal use */
PVR_ASSERT(eType != PVRSRV_HANDLE_TYPE_NONE);
PVR_ASSERT(gpsHandleFuncs);
if (psBase == IMG_NULL)
{
PVR_DPF((PVR_DBG_ERROR, "PVRSRVLookupSubHandle: Missing handle base"));
eError = PVRSRV_ERROR_INVALID_PARAMS;
goto err;
}
eError = GetHandleData(psBase, &psCHandleData, hHandle, eType);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,
"PVRSRVLookupSubHandle: Error looking up subhandle (%s)",
PVRSRVGetErrorStringKM(eError)));
OSDumpStack();
goto err;
}
/* Look for hAncestor among the handle's ancestors */
for (psPHandleData = psCHandleData; ParentHandle(psPHandleData) != hAncestor; )
{
eError = GetHandleData(psBase, &psPHandleData, ParentHandle(psPHandleData), PVRSRV_HANDLE_TYPE_NONE);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"PVRSRVLookupSubHandle: Subhandle doesn't belong to given ancestor"));
eError = PVRSRV_ERROR_INVALID_SUBHANDLE;
goto err;
}
}
*ppvData = psCHandleData->pvData;
eError = PVRSRV_OK;
err:
return eError;
}
bool
ContentProcess::Init()
{
mContent.Init(IOThreadChild::message_loop(),
ParentHandle(),
IOThreadChild::channel());
mXREEmbed.Start();
mContent.InitXPCOM();
return true;
}
bool
IPDLUnitTestProcessChild::Init()
{
IPDLUnitTestChildInit(IOThreadChild::channel(),
ParentHandle(),
IOThreadChild::message_loop());
if (NS_FAILED(nsRegion::InitStatic()))
return false;
return true;
}
/*!
******************************************************************************
@Function PVRSRVGetParentHandle
@Description Lookup the parent of a handle
@Input phParent - location for returning parent handle
hHandle - handle for which the parent handle is required
eType - handle type
hParent - parent handle
@Output *phParent - parent handle, or IMG_NULL if there is no parent
@Return Error code or PVRSRV_OK. Note that not having a parent is
not regarded as an error.
******************************************************************************/
PVRSRV_ERROR PVRSRVGetParentHandle(PVRSRV_HANDLE_BASE *psBase,
IMG_HANDLE *phParent,
IMG_HANDLE hHandle,
PVRSRV_HANDLE_TYPE eType)
{
HANDLE_DATA *psHandleData = IMG_NULL;
PVRSRV_ERROR eError;
/* PVRSRV_HANDLE_TYPE_NONE is reserved for internal use */
PVR_ASSERT(eType != PVRSRV_HANDLE_TYPE_NONE);
PVR_ASSERT(gpsHandleFuncs);
if (psBase == IMG_NULL)
{
PVR_DPF((PVR_DBG_ERROR, "PVRSRVGetParentHandle: Missing handle base"));
eError = PVRSRV_ERROR_INVALID_PARAMS;
goto err;
}
eError = GetHandleData(psBase, &psHandleData, hHandle, eType);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,
"PVRSRVGetParentHandle: Error looking up subhandle (%s)",
PVRSRVGetErrorStringKM(eError)));
OSDumpStack();
goto err;
}
*phParent = ParentHandle(psHandleData);
eError = PVRSRV_OK;
err:
return eError;
}
static INLINE
IMG_HANDLE ParentIfPrivate(HANDLE_DATA *psHandleData)
{
return TEST_ALLOC_FLAG(psHandleData, PVRSRV_HANDLE_ALLOC_FLAG_PRIVATE) ?
ParentHandle(psHandleData) : IMG_NULL;
}
/*!
******************************************************************************
@Function PVRSRVAllocSubHandle
@Description Allocate a subhandle
@Input phHandle - location for new subhandle
pvData - pointer to resource to be associated with the subhandle
eType - the type of resource
hParent - parent handle
@Output phHandle - points to new subhandle
@Return Error code or PVRSRV_OK
******************************************************************************/
PVRSRV_ERROR PVRSRVAllocSubHandle(PVRSRV_HANDLE_BASE *psBase,
IMG_HANDLE *phHandle,
IMG_VOID *pvData,
PVRSRV_HANDLE_TYPE eType,
PVRSRV_HANDLE_ALLOC_FLAG eFlag,
IMG_HANDLE hParent)
{
HANDLE_DATA *psPHandleData = IMG_NULL;
HANDLE_DATA *psCHandleData = IMG_NULL;
IMG_HANDLE hParentKey;
IMG_HANDLE hHandle;
PVRSRV_ERROR eError;
*phHandle = IMG_NULL;
/* PVRSRV_HANDLE_TYPE_NONE is reserved for internal use */
PVR_ASSERT(eType != PVRSRV_HANDLE_TYPE_NONE);
PVR_ASSERT(gpsHandleFuncs);
if (psBase == IMG_NULL)
{
PVR_DPF((PVR_DBG_ERROR, "PVRSRVAllocSubHandle: Missing handle base"));
eError = PVRSRV_ERROR_INVALID_PARAMS;
goto err;
}
hParentKey = TEST_FLAG(eFlag, PVRSRV_HANDLE_ALLOC_FLAG_PRIVATE) ? hParent : IMG_NULL;
/* Lookup the parent handle */
eError = GetHandleData(psBase, &psPHandleData, hParent, PVRSRV_HANDLE_TYPE_NONE);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR, "PVRSRVAllocSubHandle: Failed to get parent handle structure"));
goto err;
}
if (!TEST_FLAG(eFlag, PVRSRV_HANDLE_ALLOC_FLAG_MULTI))
{
/* See if there is already a handle for this data pointer */
hHandle = FindHandle(psBase, pvData, eType, hParentKey);
if (hHandle != IMG_NULL)
{
eError = GetHandleData(psBase, &psCHandleData, hHandle, eType);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR, "PVRSRVAllocSubHandle: Lookup of existing handle failed"));
goto err;
}
PVR_ASSERT(hParentKey != IMG_NULL && ParentHandle(psCHandleData) == hParent);
/*
* If the client is willing to share a handle, the
* existing handle is marked as shareable, and the
* existing handle has the same parent, return the
* existing handle.
*/
if (TEST_FLAG(psCHandleData->eFlag & eFlag, PVRSRV_HANDLE_ALLOC_FLAG_SHARED) &&
ParentHandle(psCHandleData) == hParent)
{
psCHandleData->ui32Refs++;
*phHandle = hHandle;
eError = PVRSRV_OK;
goto err;
}
eError = PVRSRV_ERROR_HANDLE_NOT_SHAREABLE;
goto err;
}
}
eError = AllocHandle(psBase, &hHandle, pvData, eType, eFlag, hParentKey);
if (eError != PVRSRV_OK)
{
goto err;
}
eError = GetHandleData(psBase, &psCHandleData, hHandle, PVRSRV_HANDLE_TYPE_NONE);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR, "PVRSRVAllocSubHandle: Failed to get parent handle structure"));
/* If we were able to allocate the handle then there should be no reason why we
can't also get it's handle structure. Otherwise something has gone badly wrong. */
PVR_ASSERT(eError == PVRSRV_OK);
goto err;
}
/*
* Get the parent handle structure again, in case the handle
* structure has moved (depending on the implementation
* of AllocHandle).
*/
eError = GetHandleData(psBase, &psPHandleData, hParent, PVRSRV_HANDLE_TYPE_NONE);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR, "PVRSRVAllocSubHandle: Failed to get parent handle structure"));
FreeHandle(psBase, hHandle, eType, IMG_NULL);
goto err;
}
eError = AdoptChild(psBase, psPHandleData, psCHandleData);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR, "PVRSRVAllocSubHandle: Parent handle failed to adopt subhandle"));
FreeHandle(psBase, hHandle, eType, IMG_NULL);
goto err;
}
*phHandle = hHandle;
eError = PVRSRV_OK;
err:
return eError;
}
bool
PluginProcessChild::Init()
{
#if defined(XP_MACOSX)
// Remove the trigger for "dyld interposing" that we added in
// GeckoChildProcessHost::PerformAsyncLaunchInternal(), in the host
// process just before we were launched. Dyld interposing will still
// happen in our process (the plugin child process). But we don't want
// it to happen in any processes that the plugin might launch from our
// process.
nsCString interpose(PR_GetEnv("DYLD_INSERT_LIBRARIES"));
if (!interpose.IsEmpty()) {
// If we added the path to libplugin_child_interpose.dylib to an
// existing DYLD_INSERT_LIBRARIES, we appended it to the end, after a
// ":" path seperator.
int32_t lastSeparatorPos = interpose.RFind(":");
int32_t lastTriggerPos = interpose.RFind("libplugin_child_interpose.dylib");
bool needsReset = false;
if (lastTriggerPos != -1) {
if (lastSeparatorPos == -1) {
interpose.Truncate();
needsReset = true;
} else if (lastTriggerPos > lastSeparatorPos) {
interpose.SetLength(lastSeparatorPos);
needsReset = true;
}
}
if (needsReset) {
nsCString setInterpose("DYLD_INSERT_LIBRARIES=");
if (!interpose.IsEmpty()) {
setInterpose.Append(interpose);
}
// Values passed to PR_SetEnv() must be seperately allocated.
char* setInterposePtr = strdup(setInterpose.get());
PR_SetEnv(setInterposePtr);
}
}
#endif
#ifdef XP_WIN
// Drag-and-drop needs OleInitialize to be called, and Silverlight depends
// on the host calling CoInitialize (which is called by OleInitialize).
::OleInitialize(nullptr);
#endif
// Certain plugins, such as flash, steal the unhandled exception filter
// thus we never get crash reports when they fault. This call fixes it.
message_loop()->set_exception_restoration(true);
std::string pluginFilename;
#if defined(OS_POSIX)
// NB: need to be very careful in ensuring that the first arg
// (after the binary name) here is indeed the plugin module path.
// Keep in sync with dom/plugins/PluginModuleParent.
std::vector<std::string> values = CommandLine::ForCurrentProcess()->argv();
NS_ABORT_IF_FALSE(values.size() >= 2, "not enough args");
pluginFilename = UnmungePluginDsoPath(values[1]);
#elif defined(OS_WIN)
std::vector<std::wstring> values =
CommandLine::ForCurrentProcess()->GetLooseValues();
NS_ABORT_IF_FALSE(values.size() >= 1, "not enough loose args");
if (ShouldProtectPluginCurrentDirectory(values[0].c_str())) {
SanitizeEnvironmentVariables();
SetDllDirectory(L"");
}
pluginFilename = WideToUTF8(values[0]);
#else
# error Sorry
#endif
if (NS_FAILED(nsRegion::InitStatic())) {
NS_ERROR("Could not initialize nsRegion");
return false;
}
return mPlugin.Init(pluginFilename, ParentHandle(),
IOThreadChild::message_loop(),
IOThreadChild::channel());
}