diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /security/sandbox/chromium/base/callback_internal.cc | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'security/sandbox/chromium/base/callback_internal.cc')
-rw-r--r-- | security/sandbox/chromium/base/callback_internal.cc | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/security/sandbox/chromium/base/callback_internal.cc b/security/sandbox/chromium/base/callback_internal.cc new file mode 100644 index 0000000000..d710682e1f --- /dev/null +++ b/security/sandbox/chromium/base/callback_internal.cc @@ -0,0 +1,101 @@ +// Copyright (c) 2012 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "base/callback_internal.h" + +#include "base/logging.h" + +namespace base { +namespace internal { + +namespace { + +bool QueryCancellationTraitsForNonCancellables( + const BindStateBase*, + BindStateBase::CancellationQueryMode mode) { + switch (mode) { + case BindStateBase::IS_CANCELLED: + return false; + case BindStateBase::MAYBE_VALID: + return true; + } + NOTREACHED(); + return false; +} + +} // namespace + +void BindStateBaseRefCountTraits::Destruct(const BindStateBase* bind_state) { + bind_state->destructor_(bind_state); +} + +BindStateBase::BindStateBase(InvokeFuncStorage polymorphic_invoke, + void (*destructor)(const BindStateBase*)) + : BindStateBase(polymorphic_invoke, + destructor, + &QueryCancellationTraitsForNonCancellables) {} + +BindStateBase::BindStateBase( + InvokeFuncStorage polymorphic_invoke, + void (*destructor)(const BindStateBase*), + bool (*query_cancellation_traits)(const BindStateBase*, + CancellationQueryMode)) + : polymorphic_invoke_(polymorphic_invoke), + destructor_(destructor), + query_cancellation_traits_(query_cancellation_traits) {} + +CallbackBase& CallbackBase::operator=(CallbackBase&& c) noexcept = default; +CallbackBase::CallbackBase(const CallbackBaseCopyable& c) + : bind_state_(c.bind_state_) {} + +CallbackBase& CallbackBase::operator=(const CallbackBaseCopyable& c) { + bind_state_ = c.bind_state_; + return *this; +} + +CallbackBase::CallbackBase(CallbackBaseCopyable&& c) noexcept + : bind_state_(std::move(c.bind_state_)) {} + +CallbackBase& CallbackBase::operator=(CallbackBaseCopyable&& c) noexcept { + bind_state_ = std::move(c.bind_state_); + return *this; +} + +void CallbackBase::Reset() { + // NULL the bind_state_ last, since it may be holding the last ref to whatever + // object owns us, and we may be deleted after that. + bind_state_ = nullptr; +} + +bool CallbackBase::IsCancelled() const { + DCHECK(bind_state_); + return bind_state_->IsCancelled(); +} + +bool CallbackBase::MaybeValid() const { + DCHECK(bind_state_); + return bind_state_->MaybeValid(); +} + +bool CallbackBase::EqualsInternal(const CallbackBase& other) const { + return bind_state_ == other.bind_state_; +} + +CallbackBase::~CallbackBase() = default; + +CallbackBaseCopyable::CallbackBaseCopyable(const CallbackBaseCopyable& c) { + bind_state_ = c.bind_state_; +} + +CallbackBaseCopyable& CallbackBaseCopyable::operator=( + const CallbackBaseCopyable& c) { + bind_state_ = c.bind_state_; + return *this; +} + +CallbackBaseCopyable& CallbackBaseCopyable::operator=( + CallbackBaseCopyable&& c) noexcept = default; + +} // namespace internal +} // namespace base |