| Server IP : 85.214.239.14 / Your IP : 18.116.63.107 Web Server : Apache/2.4.62 (Debian) System : Linux h2886529.stratoserver.net 4.9.0 #1 SMP Tue Jan 9 19:45:01 MSK 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.18 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /proc/3/root/proc/2/task/2/root/proc/2/root/usr/local/include/node/cppgc/ |
Upload File : |
// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef INCLUDE_CPPGC_PREFINALIZER_H_
#define INCLUDE_CPPGC_PREFINALIZER_H_
#include "cppgc/internal/accessors.h"
#include "cppgc/internal/compiler-specific.h"
#include "cppgc/internal/prefinalizer-handler.h"
#include "cppgc/liveness-broker.h"
#include "cppgc/macros.h"
namespace cppgc {
namespace internal {
template <typename T>
class PrefinalizerRegistration final {
public:
explicit PrefinalizerRegistration(T* self) {
static_assert(sizeof(&T::InvokePreFinalizer) > 0,
"USING_PRE_FINALIZER(T) must be defined.");
cppgc::internal::PreFinalizerRegistrationDispatcher::RegisterPrefinalizer(
internal::GetHeapFromPayload(self), {self, T::InvokePreFinalizer});
}
void* operator new(size_t, void* location) = delete;
void* operator new(size_t) = delete;
};
} // namespace internal
#define CPPGC_USING_PRE_FINALIZER(Class, PreFinalizer) \
public: \
static bool InvokePreFinalizer(const LivenessBroker& liveness_broker, \
void* object) { \
static_assert(internal::IsGarbageCollectedTypeV<Class>, \
"Only garbage collected objects can have prefinalizers"); \
Class* self = static_cast<Class*>(object); \
if (liveness_broker.IsHeapObjectAlive(self)) return false; \
self->Class::PreFinalizer(); \
return true; \
} \
\
private: \
CPPGC_NO_UNIQUE_ADDRESS internal::PrefinalizerRegistration<Class> \
prefinalizer_dummy_{this}; \
friend class internal::__thisIsHereToForceASemicolonAfterThisMacro
} // namespace cppgc
#endif // INCLUDE_CPPGC_PREFINALIZER_H_