721 lines
20 KiB
C++
721 lines
20 KiB
C++
/***
|
|
Copyright (C) 2022 J Reece Wilson (a/k/a "Reece"). All rights reserved.
|
|
|
|
File: Watcher.NT.cpp
|
|
Date: 2022-4-1
|
|
Author: Reece
|
|
Note: FindFirstChangeNotification locks the parent directory, every other library is garbage
|
|
Aurora shall implement this sewage instead
|
|
***/
|
|
#include <Source/RuntimeInternal.hpp>
|
|
#include "FS.hpp"
|
|
#include <Source/IO/Loop/Loop.hpp>
|
|
#include <Source/IO/Loop/LSEvent.hpp>
|
|
#include "winioctl.h"
|
|
|
|
namespace Aurora::IO::FS
|
|
{
|
|
struct NTWatchObject;
|
|
struct NTWatcher;
|
|
|
|
struct NTWatchhandle
|
|
{
|
|
NTWatcher *object;
|
|
};
|
|
|
|
struct NTEvent : virtual AuLoop::LSEvent
|
|
{
|
|
NTEvent(AuSPtr<NTWatchhandle> parent);
|
|
|
|
bool IsSignaled() override;
|
|
Loop::ELoopSource GetType() override;
|
|
|
|
void OnPresleep() override;
|
|
bool OnTrigger(AuUInt handle) override;
|
|
|
|
private:
|
|
AuWPtr<NTWatchhandle> parent_;
|
|
};
|
|
|
|
struct NTWatchObject
|
|
{
|
|
OVERLAPPED ntOverlapped {};
|
|
bool bBroken {};
|
|
bool bReschedule {};
|
|
NTWatcher *parent;
|
|
AuString strBaseDir;
|
|
HANDLE hFileHandle {INVALID_HANDLE_VALUE};
|
|
bool bWin7Mode {};
|
|
AuSPtr<Loop::LSEvent> pWin7Event {};
|
|
AuUInt32 dwReferences {};
|
|
UCHAR buffer[8000];
|
|
IO_STATUS_BLOCK ioStatusBlock;
|
|
|
|
~NTWatchObject()
|
|
{
|
|
Cancel();
|
|
}
|
|
|
|
bool Init(const AuString &usrStr);
|
|
bool ScheduleOnce();
|
|
bool CheckBroken();
|
|
void Cancel();
|
|
|
|
private:
|
|
REQUEST_OPLOCK_OUTPUT_BUFFER whoAsked_;
|
|
|
|
};
|
|
|
|
struct NTCachedPath
|
|
{
|
|
AuString strNormalizedPath;
|
|
AuString strTheCakeIsALie;
|
|
AuSPtr<UserWatchData> userData;
|
|
AuSPtr<NTWatchObject> watcher;
|
|
bool bIsDirectory {};
|
|
|
|
AuList<AuTuple<AuString, bool, AuUInt64>> lastTick;
|
|
|
|
FILETIME lastFileTime {};
|
|
|
|
AuList<AuTuple<AuString, bool, AuUInt64>> GetCurrentState();
|
|
|
|
bool CheckDirDelta(NTWatcher *parent);
|
|
void Warm();
|
|
bool CheckRun(NTWatcher *parent);
|
|
bool AddEvent(NTWatcher *parent, EWatchEvent type, const AuString &path);
|
|
};
|
|
|
|
struct NTWatcher : IWatcher
|
|
{
|
|
virtual bool AddWatch(const WatchRequest &file) override;
|
|
|
|
virtual bool RemoveByName(const AuString &path) override;
|
|
virtual bool RemoveByPrivateContext(const AuSPtr<UserWatchData> &file) override;
|
|
|
|
virtual AuSPtr<AuLoop::ILoopSource> AsLoopSource() override;
|
|
|
|
virtual AuList<WatchEvent> QueryUpdates() override;
|
|
|
|
bool Init();
|
|
bool GoBrr();
|
|
|
|
private:
|
|
|
|
// we don't expect to yield to another thread to hit our vector
|
|
// these apis are generally expected to be called from a single thread
|
|
AuThreadPrimitives::SpinLock spinlock_;
|
|
AuBST<AuString, AuWPtr<NTWatchObject>> cachedWatchers_;
|
|
|
|
public:
|
|
|
|
AuList<WatchEvent> triggered_;
|
|
AuSPtr<NTEvent> ntEvent_;
|
|
AuList<NTCachedPath> paths_;
|
|
|
|
private:
|
|
AuSPtr<NTWatchhandle> watchHandler_;
|
|
|
|
};
|
|
|
|
// NT Event class
|
|
|
|
NTEvent::NTEvent(AuSPtr<NTWatchhandle> parent) : LSEvent(false, true /*[1]*/, true), parent_(parent)
|
|
{
|
|
// [1] Functions such as GetOverlappedResult and the synchronization wait functions reset auto-reset events to the nonsignaled state. Therefore, you should use a manual reset event; if you use an auto-reset event, your application can stop responding if you wait for the operation to complete and then call GetOverlappedResult with the bWait parameter set to TRUE.
|
|
// - https://docs.microsoft.com/en-us/windows/win32/api/minwinbase/ns-minwinbase-overlapped
|
|
}
|
|
|
|
bool NTEvent::IsSignaled()
|
|
{
|
|
return LSEvent::IsSignaled();
|
|
}
|
|
|
|
Loop::ELoopSource NTEvent::GetType()
|
|
{
|
|
return Loop::ELoopSource::eSourceFileWatcher;
|
|
}
|
|
|
|
// Event type is latching, sort of like binary semaphore
|
|
// Resignal if work is still available
|
|
void NTEvent::OnPresleep()
|
|
{
|
|
if (auto watcher = parent_.lock())
|
|
{
|
|
if (watcher->object->triggered_.size())
|
|
{
|
|
Set();
|
|
}
|
|
}
|
|
}
|
|
|
|
// Filter the latching events signal state once
|
|
// based on the availability of work
|
|
// ...
|
|
/// also, this is kind of like a tick
|
|
bool NTEvent::OnTrigger(AuUInt handle)
|
|
{
|
|
bool ret {};
|
|
|
|
if (auto watcher = parent_.lock())
|
|
{
|
|
ret = watcher->object->GoBrr();
|
|
}
|
|
else
|
|
{
|
|
ret = true;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
// NT Cached Path / File Watch Item class
|
|
|
|
void NTCachedPath::Warm()
|
|
{
|
|
HANDLE hFile;
|
|
hFile = Win32Open(AuLocale::ConvertFromUTF8(this->strNormalizedPath).c_str(),
|
|
GENERIC_READ,
|
|
FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
false,
|
|
OPEN_EXISTING,
|
|
this->bIsDirectory ? FILE_FLAG_BACKUP_SEMANTICS : 0,
|
|
0);
|
|
|
|
if (hFile != INVALID_HANDLE_VALUE)
|
|
{
|
|
GetFileTime(hFile, NULL, NULL, &this->lastFileTime);
|
|
CloseHandle(hFile);
|
|
}
|
|
|
|
if (this->bIsDirectory)
|
|
{
|
|
this->lastTick = GetCurrentState();
|
|
}
|
|
}
|
|
|
|
AuList<AuTuple<AuString, bool, AuUInt64>> NTCachedPath::GetCurrentState()
|
|
{
|
|
WIN32_FIND_DATAW ffd;
|
|
HANDLE hFind {INVALID_HANDLE_VALUE};
|
|
AuList<AuTuple<AuString, bool, AuUInt64>> ret;
|
|
|
|
ret.reserve(this->lastTick.size());
|
|
|
|
hFind = FindFirstFileW(AuLocale::ConvertFromUTF8(this->strNormalizedPath + "\\*").c_str(), &ffd);
|
|
if (INVALID_HANDLE_VALUE == hFind)
|
|
{
|
|
SysPushErrorIO();
|
|
return this->lastTick;
|
|
}
|
|
|
|
do
|
|
{
|
|
if (ffd.cFileName == std::wstring(L".") ||
|
|
ffd.cFileName == std::wstring(L".."))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
AuTryInsert(ret, AuMakeTuple(AuLocale::ConvertFromWChar(ffd.cFileName), ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY, AuUInt64(ffd.ftLastWriteTime.dwHighDateTime) << AuUInt64(32) | AuUInt64(ffd.ftLastWriteTime.dwLowDateTime)));
|
|
}
|
|
while (FindNextFileW(hFind, &ffd) != 0);
|
|
|
|
FindClose(hFind);
|
|
return ret;
|
|
}
|
|
|
|
bool NTCachedPath::CheckDirDelta(NTWatcher *parent)
|
|
{
|
|
bool bDidAThing {false};
|
|
auto next = GetCurrentState();
|
|
auto currentState = next;
|
|
auto oldState = AuExchange(this->lastTick, AuMove(next));
|
|
|
|
for (auto &old : oldState)
|
|
{
|
|
if (!AuExists(currentState, old))
|
|
{
|
|
// FILE WAS DELETED
|
|
bDidAThing |= AddEvent(parent, EWatchEvent::eFileDelete, this->strTheCakeIsALie + "\\" + AuGet<0>(old));
|
|
}
|
|
}
|
|
|
|
for (auto &newItem : currentState)
|
|
{
|
|
auto oldItem = AuTryFindByTupleN<0>(oldState, AuGet<0>(newItem));
|
|
if (oldItem == oldState.end())
|
|
{
|
|
// FILE WAS ADDED
|
|
bDidAThing |= AddEvent(parent, EWatchEvent::eFileCreate, this->strTheCakeIsALie + "\\" + AuGet<0>(newItem));
|
|
}
|
|
else if (AuGet<2>(newItem) != AuGet<2>(*oldItem))
|
|
{
|
|
// FILE WAS MODIFIED
|
|
bDidAThing |= AddEvent(parent, EWatchEvent::eFileModify, this->strTheCakeIsALie + "\\" + AuGet<0>(newItem));
|
|
}
|
|
}
|
|
|
|
return bDidAThing;
|
|
}
|
|
|
|
bool NTCachedPath::AddEvent(NTWatcher *parent, EWatchEvent type, const AuString &path)
|
|
{
|
|
AuCtorCode_t code;
|
|
auto watchedFile = AuTryConstruct<WatchedFile>(code, this->userData, this->strTheCakeIsALie);
|
|
if (!code)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
WatchEvent event;
|
|
event.event = type;
|
|
event.watch = AuMove(watchedFile);
|
|
event.file = AuTryConstruct<AuString>(code, path);
|
|
if (!code)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!AuTryInsert(parent->triggered_, AuMove(event)))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool NTCachedPath::CheckRun(NTWatcher *parent)
|
|
{
|
|
FILETIME curFileTime {};
|
|
HANDLE hFile;
|
|
|
|
hFile = Win32Open(AuLocale::ConvertFromUTF8(this->strNormalizedPath).c_str(),
|
|
GENERIC_READ,
|
|
FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
false,
|
|
OPEN_EXISTING,
|
|
this->bIsDirectory ? FILE_FLAG_BACKUP_SEMANTICS : 0,
|
|
0);
|
|
|
|
if (hFile == INVALID_HANDLE_VALUE)
|
|
{
|
|
if (GetLastError() == ERROR_FILE_NOT_FOUND)
|
|
{
|
|
// NOTE: we might want to add a check to prevent double dispatch
|
|
return AddEvent(parent, EWatchEvent::eSelfDelete, this->strTheCakeIsALie);
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool bDirChanged = this->bIsDirectory ? CheckDirDelta(parent) : false;
|
|
|
|
if (!GetFileTime(hFile, NULL, NULL, &curFileTime))
|
|
{
|
|
CloseHandle(hFile);
|
|
return true;
|
|
}
|
|
|
|
bool ret = !((this->lastFileTime.dwLowDateTime == curFileTime.dwLowDateTime) &&
|
|
(this->lastFileTime.dwHighDateTime == curFileTime.dwHighDateTime));
|
|
|
|
this->lastFileTime = curFileTime;
|
|
|
|
CloseHandle(hFile);
|
|
|
|
if (!ret)
|
|
{
|
|
return bDirChanged;
|
|
}
|
|
|
|
// Send a self modified update once the timestamp changes
|
|
return AddEvent(parent,this->bIsDirectory ? EWatchEvent::eSelfModify : EWatchEvent::eFileModify, this->strTheCakeIsALie) || bDirChanged;
|
|
}
|
|
|
|
// Directory Watcher Object
|
|
|
|
bool NTWatchObject::Init(const AuString &usrStr)
|
|
{
|
|
if (!AuTryConstruct<AuString>(this->strBaseDir, usrStr))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
auto c = this->strBaseDir[this->strBaseDir.size() - 1];
|
|
if ((c == '\\') ||
|
|
(c == '/'))
|
|
{
|
|
this->strBaseDir.pop_back();
|
|
}
|
|
|
|
this->hFileHandle = Win32Open(AuLocale::ConvertFromUTF8(this->strBaseDir.c_str()).c_str(),
|
|
GENERIC_READ,
|
|
FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
false,
|
|
OPEN_EXISTING,
|
|
FILE_FLAG_OVERLAPPED | FILE_FLAG_BACKUP_SEMANTICS,
|
|
0);
|
|
if (this->hFileHandle == INVALID_HANDLE_VALUE)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
|
|
AuMemset(&this->ntOverlapped, 0, sizeof(this->ntOverlapped));
|
|
|
|
return ScheduleOnce();
|
|
}
|
|
|
|
bool NTWatchObject::ScheduleOnce()
|
|
{
|
|
bool bFirstTime = !this->ntOverlapped.hEvent;
|
|
|
|
if (bFirstTime)
|
|
{
|
|
this->ntOverlapped.hEvent = (HANDLE)this->parent->ntEvent_->GetHandle();
|
|
}
|
|
|
|
if (!this->bWin7Mode &&
|
|
AuSwInfo::IsWindows8OrGreater())
|
|
{
|
|
REQUEST_OPLOCK_INPUT_BUFFER input
|
|
{
|
|
REQUEST_OPLOCK_CURRENT_VERSION,
|
|
sizeof(REQUEST_OPLOCK_INPUT_BUFFER),
|
|
OPLOCK_LEVEL_CACHE_READ | OPLOCK_LEVEL_CACHE_HANDLE,
|
|
bFirstTime ? REQUEST_OPLOCK_INPUT_FLAG_REQUEST : REQUEST_OPLOCK_INPUT_FLAG_ACK,
|
|
};
|
|
|
|
DWORD dwBytesReturned;
|
|
if (::DeviceIoControl(this->hFileHandle,
|
|
FSCTL_REQUEST_OPLOCK,
|
|
&input, sizeof(input),
|
|
&whoAsked_, sizeof(whoAsked_),
|
|
&dwBytesReturned,
|
|
&this->ntOverlapped))
|
|
{
|
|
this->CheckBroken();
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
if (::GetLastError() == ERROR_IO_PENDING)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (pNtNotifyChangeDirectoryFile)
|
|
{
|
|
auto dwRet = pNtNotifyChangeDirectoryFile(this->hFileHandle,
|
|
this->ntOverlapped.hEvent,
|
|
NULL,
|
|
NULL,
|
|
&ioStatusBlock,
|
|
buffer,
|
|
sizeof(buffer),
|
|
//FILE_NOTIFY_CHANGE_NAME |
|
|
FILE_NOTIFY_CHANGE_ATTRIBUTES |
|
|
FILE_NOTIFY_CHANGE_SIZE |
|
|
FILE_NOTIFY_CHANGE_LAST_WRITE |
|
|
FILE_NOTIFY_CHANGE_LAST_ACCESS |
|
|
FILE_NOTIFY_CHANGE_CREATION,
|
|
FALSE);
|
|
this->bWin7Mode = true;
|
|
|
|
if (dwRet == STATUS_PENDING)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
if (!NT_SUCCESS(dwRet))
|
|
{
|
|
SysPushErrorIO();
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
this->CheckBroken();
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool NTWatchObject::CheckBroken()
|
|
{
|
|
DWORD bytesTransferred;
|
|
|
|
if (this->bBroken ||
|
|
((this->bWin7Mode) ||
|
|
(!this->bWin7Mode && GetOverlappedResult(this->hFileHandle, &this->ntOverlapped, &bytesTransferred, false))))
|
|
{
|
|
bool bSuccess {true};
|
|
this->bBroken = true;
|
|
|
|
bool bAnyTriggered {};
|
|
|
|
for (auto &filesWatched : this->parent->paths_)
|
|
{
|
|
if (!AuStartsWith(filesWatched.strNormalizedPath, this->strBaseDir))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (!filesWatched.CheckRun(this->parent))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
bAnyTriggered = true;
|
|
}
|
|
|
|
if (this->bWin7Mode)
|
|
{
|
|
bSuccess = ScheduleOnce();
|
|
}
|
|
else
|
|
{
|
|
if (this->whoAsked_.Flags & REQUEST_OPLOCK_OUTPUT_FLAG_ACK_REQUIRED)
|
|
{
|
|
this->whoAsked_.Flags = 0;
|
|
bSuccess = ScheduleOnce();
|
|
}
|
|
}
|
|
|
|
this->bBroken = false;
|
|
return bSuccess;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void NTWatchObject::Cancel()
|
|
{
|
|
if (pCancelIoEx)
|
|
{
|
|
pCancelIoEx(this->hFileHandle, &this->ntOverlapped);
|
|
}
|
|
else
|
|
{
|
|
::CancelIo(this->hFileHandle);
|
|
}
|
|
AuWin32CloseHandle(this->hFileHandle);
|
|
}
|
|
|
|
// NT Watcher - primary interface implementation
|
|
|
|
bool NTWatcher::AddWatch(const WatchRequest &request)
|
|
{
|
|
AuSPtr<NTWatchObject> watcher;
|
|
NTCachedPath cached;
|
|
|
|
auto &file = request.watch;
|
|
|
|
AU_LOCK_GUARD(this->spinlock_);
|
|
|
|
AuString translated;
|
|
if (!AuIOFS::NormalizePath(translated, file.path))
|
|
{
|
|
translated = file.path;
|
|
}
|
|
|
|
// Create the NT path in the midst of path normalization
|
|
if (!AuTryConstruct<AuString>(cached.strNormalizedPath, translated))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!AuTryConstruct<AuString>(cached.strTheCakeIsALie, file.path))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
cached.userData = file.userData;
|
|
|
|
// Continue normalizing the parent path
|
|
|
|
if (AuIOFS::FileExists(translated))
|
|
{
|
|
AuIOFS::GetDirectoryFromPath(translated, translated);
|
|
}
|
|
else
|
|
{
|
|
// dammit, had to move checkrun
|
|
cached.bIsDirectory = true;
|
|
}
|
|
|
|
// Update the last edited timestamp as a frame of reference for fast compare of
|
|
// directory entries upon lock breakage
|
|
cached.Warm();
|
|
|
|
// Attempt to locate a watcher for the directoy
|
|
|
|
if (!cached.bIsDirectory)
|
|
{
|
|
for (const auto &[base, wptr] : this->cachedWatchers_)
|
|
{
|
|
if (AuStartsWith(translated, base))
|
|
{
|
|
watcher = wptr.lock();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Create one, if missing
|
|
|
|
if (!watcher)
|
|
{
|
|
auto item = AuMakeShared<NTWatchObject>();
|
|
|
|
if (!item)
|
|
{
|
|
SysPushErrorMem();
|
|
return false;
|
|
}
|
|
|
|
item->parent = this;
|
|
|
|
if (!item->Init(translated))
|
|
{
|
|
SysPushErrorGen();
|
|
return false;
|
|
}
|
|
|
|
watcher = item;
|
|
|
|
if (!AuTryInsert(this->cachedWatchers_, AuMove(translated), AuMove(item)))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
cached.watcher = watcher;
|
|
|
|
// Append path / user private pair alongside the watcher for book keeping
|
|
|
|
if (!AuTryInsert(this->paths_, AuMove(cached)))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// Done
|
|
|
|
return true;
|
|
}
|
|
|
|
// Post-event trigger processor and filterer
|
|
bool NTWatcher::GoBrr()
|
|
{
|
|
AU_LOCK_GUARD(this->spinlock_);
|
|
|
|
for (auto &[dir, weakWatcher] : this->cachedWatchers_)
|
|
{
|
|
if (auto watcher = weakWatcher.lock())
|
|
{
|
|
if (!watcher->CheckBroken())
|
|
{
|
|
this->ntEvent_->Set();
|
|
}
|
|
}
|
|
}
|
|
|
|
return this->triggered_.size();
|
|
}
|
|
|
|
bool NTWatcher::RemoveByName(const AuString &path)
|
|
{
|
|
AU_LOCK_GUARD(this->spinlock_);
|
|
AuString strNormalized;
|
|
|
|
if (!AuIOFS::NormalizePath(strNormalized, path))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return AuRemoveIf(this->paths_, [&](const NTCachedPath &object) -> bool
|
|
{
|
|
if ((strNormalized == object.strNormalizedPath) ||
|
|
(strNormalized.empty() && object.strNormalizedPath == path))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
});
|
|
}
|
|
|
|
bool NTWatcher::RemoveByPrivateContext(const AuSPtr<UserWatchData> &file)
|
|
{
|
|
AU_LOCK_GUARD(this->spinlock_);
|
|
|
|
return AuRemoveIf(this->paths_, [&](const NTCachedPath &object) -> bool
|
|
{
|
|
return file == object.userData;
|
|
});
|
|
}
|
|
|
|
bool NTWatcher::Init()
|
|
{
|
|
this->watchHandler_ = AuMakeShared<NTWatchhandle>();
|
|
if (!this->watchHandler_)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
this->watchHandler_->object = this;
|
|
|
|
this->ntEvent_ = AuMakeShared<NTEvent>(this->watchHandler_);
|
|
if (!this->ntEvent_)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!this->ntEvent_->HasValidHandle())
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
AuSPtr<AuLoop::ILoopSource> NTWatcher::AsLoopSource()
|
|
{
|
|
return AuStaticCast<AuLoop::ILSEvent>(this->ntEvent_);
|
|
}
|
|
|
|
AuList<WatchEvent> NTWatcher::NTWatcher::QueryUpdates()
|
|
{
|
|
AsLoopSource()->IsSignaled(); // poke work queue
|
|
AU_LOCK_GUARD(this->spinlock_);
|
|
return AuExchange(this->triggered_, {});
|
|
}
|
|
|
|
AUKN_SYM IWatcher *NewWatcherNew()
|
|
{
|
|
auto watcher = _new NTWatcher();
|
|
if (!watcher)
|
|
{
|
|
return {};
|
|
}
|
|
|
|
if (!watcher->Init())
|
|
{
|
|
delete watcher;
|
|
return {};
|
|
}
|
|
|
|
return watcher;
|
|
}
|
|
|
|
AUKN_SYM void NewWatcherRelease(IWatcher *watcher)
|
|
{
|
|
AuSafeDelete<NTWatcher *>(watcher);
|
|
}
|
|
} |