haikuwebkit/Source/JavaScriptCore/API/JSLockRefPrivate.h

53 lines
2.0 KiB
C

/*
* Copyright (C) 2020 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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.
*/
#pragma once
#include <JavaScriptCore/JSBase.h>
#ifdef __cplusplus
extern "C" {
#endif
/*!
@function
@abstract Acquire the API lock for the given JSContextRef.
@param ctx The execution context to be locked.
@discussion The lock has to be held to perform any interactions with the JSContextRef. This function allows holding the lock across multiple interactions to amortize the cost. This lock is a recursive lock.
*/
JS_EXPORT void JSLock(JSContextRef ctx);
/*!
@function
@abstract Release the API lock for the given JSContextRef.
@param ctx The execution context to be unlocked.
@discussion Releases the lock that was previously acquired using JSLock.
*/
JS_EXPORT void JSUnlock(JSContextRef ctx);
#ifdef __cplusplus
}
#endif