iframe-proxy | Sunbelt Computer Software

History

111 lines (92 loc) · 4.07 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are

// met:

// * Redistributions of source code must retain the above copyright

// notice, this list of conditions and the following disclaimer.

// * Redistributions in binary form must reproduce the above

// copyright notice, this list of conditions and the following disclaimer

// in the documentation and/or other materials provided with the

// distribution.

// * Neither the name of Google Inc. nor the name Chromium Embedded

// Framework nor the names of its contributors may be used to endorse

// or promote products derived from this software without specific prior

// written permission.

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// WARNING: You should *NOT* be using this class directly. PlatformThread is

// the low-level platform-specific abstraction to the OS's threading interface.

// You should instead be using a message-loop driven Thread, see thread.h.

#ifndef CEF_INCLUDE_BASE_CEF_PLATFORM_THREAD_H_

#define CEF_INCLUDE_BASE_CEF_PLATFORM_THREAD_H_

#pragma once

#if defined(USING_CHROMIUM_INCLUDES)

// When building CEF include the Chromium header directly.

#include "base/threading/platform_thread.h"

#else // !USING_CHROMIUM_INCLUDES

// The following is substantially similar to the Chromium implementation.

// If the Chromium implementation diverges the below implementation should be

// updated to match.

#include "include/base/cef_build.h"

#include "include/internal/cef_thread_internal.h"

namespace base {

///

/// Used for logging. Always an integer value.

///

typedef cef_platform_thread_id_t PlatformThreadId;

///

/// Used for thread checking and debugging.

/// Meant to be as fast as possible.

/// These are produced by PlatformThread::CurrentRef(), and used to later

/// check if we are on the same thread or not by using ==. These are safe

/// to copy between threads, but can't be copied to another process as they

/// have no meaning there. Also, the internal identifier can be re-used

/// after a thread dies, so a PlatformThreadRef cannot be reliably used

/// to distinguish a new thread from an old, dead thread.

///

class PlatformThreadRef {

public:

typedef cef_platform_thread_handle_t RefType;

PlatformThreadRef() : id_(0) {}

explicit PlatformThreadRef(RefType id) : id_(id) {}

bool operator==(PlatformThreadRef other) const { return id_ == other.id_; }

bool is_null() const { return id_ == 0; }

private:

RefType id_;

};

///

/// A namespace for low-level thread functions.

/// Chromium uses a class with static methods but CEF uses an actual namespace

/// to avoid linker problems with the sandbox libaries on Windows.

///

namespace PlatformThread {

///

/// Gets the current thread id, which may be useful for logging purposes.

///

inline PlatformThreadId CurrentId() {

return cef_get_current_platform_thread_id();

}

///

/// Gets the current thread reference, which can be used to check if

/// we're on the right thread quickly.

///

inline PlatformThreadRef CurrentRef() {

return PlatformThreadRef(cef_get_current_platform_thread_handle());

}

} // namespace PlatformThread

} // namespace base

#endif // !USING_CHROMIUM_INCLUDES

#endif // CEF_INCLUDE_BASE_CEF_PLATFORM_THREAD_H_

Sunbelt Computer Software

PL/B Language Development and Support

Navigation Menu

Sunbelt Computer Software

PL/B Language Development and Support

FilesExpand file tree

cef_platform_thread.h

Latest commit

History

cef_platform_thread.h

File metadata and controls