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diff --git a/files/ja/mozilla/projects/spidermonkey/jsapi_reference/js_destroycontext/index.html b/files/ja/mozilla/projects/spidermonkey/jsapi_reference/js_destroycontext/index.html new file mode 100644 index 0000000000..be77b35a40 --- /dev/null +++ b/files/ja/mozilla/projects/spidermonkey/jsapi_reference/js_destroycontext/index.html @@ -0,0 +1,55 @@ +--- +title: JS DestroyContext +slug: Mozilla/Projects/SpiderMonkey/JSAPI_reference/JS_DestroyContext +tags: + - JSAPI Reference + - SpiderMonkey +translation_of: Mozilla/Projects/SpiderMonkey/JSAPI_reference/JS_DestroyContext +--- +<p> + + +</p><div class="breadcrumbs"><a href="/ja" title="ja">メインページ</a> » <a href="/ja/docs/SpiderMonkey" title="SpiderMonkey">SpiderMonkey</a> » + <a href="/ja/docs/SpiderMonkey/JSAPI_Reference" title="JSAPI_Reference">JSAPI リファレンス</a> » + <code>JS_DestroyContext</code></div> + + +<p></p> + +<p><code>JSContext</code>を解放します。</p> + +<h2 id=".E6.A7.8B.E6.96.87" name=".E6.A7.8B.E6.96.87">構文</h2> + +<pre class="eval">void <strong>JS_DestroyContext</strong>(<a href="/ja/JSRuntime" title="ja/JSRuntime">JSContext</a> *cx); + +void <strong>JS_DestroyContextNoGC</strong>(<a href="/ja/JSRuntime" title="ja/JSRuntime">JSContext</a> *cx); + +void <strong>JS_DestroyContextMaybeGC</strong>(<a href="/ja/JSRuntime" title="ja/JSRuntime">JSContext</a> *cx); +</pre> + +<table class="fullwidth-table"> + <tbody> + <tr> + <th>Name</th> + <th>Type</th> + <th>Description</th> + </tr> + <tr> + <td><code>cx</code></td> + <td><code><a href="/ja/JSRuntime" title="ja/JSRuntime">JSContext</a> *</code></td> + <td>解放するコンテキスト</td> + </tr> + </tbody> +</table> + +<h2 id=".E8.A7.A3.E8.AA.AC" name=".E8.A7.A3.E8.AA.AC">解説</h2> + +<p>これらの関数はコンテキスト<code>cx</code>を解放します。それに加え、<code>JS_DestroyContext</code>は実行し、<code>cx</code>の<a href="/ja/JS_GetGlobalObject" title="ja/JS_GetGlobalObject">グローバルオブジェクト</a>が利用したメモリを回収するためにガベージコレクションを実行します。<code>JS_DestroyContextNoGC</code>はガベージコレクションを実行しません。<code>JS_DestroyContextMaybeGC</code>では、JavaScriptエンジンが十分なメモリ領域を解放できる可能性を判断し、ガベージコレクションを実行するか否かを判断します。 <span class="comment">These functions destroy a context, <code>cx</code>. <code>JS_DestroyContext</code> additionally performs garbage collection to reclaim any memory that was being used by <code>cx</code>'s <a href="/ja/JS_GetGlobalObject">global object</a>. <code>JS_DestroyContextNoGC</code> does not perform garbage collection. <code>JS_DestroyContextMaybeGC</code> may or may not perform garbage collection; the engine makes an educated guess as to whether enough memory would be reclaimed to justify the work.</span></p> + +<p><code><a href="/ja/JS_THREADSAFE" title="ja/JS_THREADSAFE">JS_THREADSAFE</a></code>を有効にしたビルドでは、<code>cx</code>のrequest内でこの関数を呼ばないでください。</p> + +<p><code><a href="/ja/JS_SetContextCallback" title="ja/JS_SetContextCallback">JS_SetContextCallback</a></code>が以前に実行された場合は、そこで設定したコールバック関数が実行されます。 <span class="comment">In a <code><a href="/ja/JS_THREADSAFE">JS_THREADSAFE</a></code> build, the caller must '''not''' be in a request on <code>cx</code>. If <code><a href="/ja/JS_SetContextCallback">JS_SetContextCallback</a></code> has been called, this calls the callback.</span></p> + +<p>{{ LXRSearch("ident", "i", "JS_DestroyContext") }}</p> + +<p>{{ languages( { "en": "en/JS_DestroyContext" } ) }}</p> |