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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /xpcom/threads/nsICancelableRunnable.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'xpcom/threads/nsICancelableRunnable.h')
-rw-r--r--xpcom/threads/nsICancelableRunnable.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/xpcom/threads/nsICancelableRunnable.h b/xpcom/threads/nsICancelableRunnable.h
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+++ b/xpcom/threads/nsICancelableRunnable.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsICancelableRunnable_h__
+#define nsICancelableRunnable_h__
+
+#include "nsISupports.h"
+
+#define NS_ICANCELABLERUNNABLE_IID \
+{ 0xde93dc4c, 0x5eea, 0x4eb7, \
+{ 0xb6, 0xd1, 0xdb, 0xf1, 0xe0, 0xce, 0xf6, 0x5c } }
+
+class nsICancelableRunnable : public nsISupports
+{
+public:
+ NS_DECLARE_STATIC_IID_ACCESSOR(NS_ICANCELABLERUNNABLE_IID)
+
+ /*
+ * Cancels a pending task. If the task has already been executed this will
+ * be a no-op. Calling this method twice is considered an error.
+ *
+ * @throws NS_ERROR_UNEXPECTED
+ * Indicates that the runnable has already been canceled.
+ */
+ virtual nsresult Cancel() = 0;
+
+protected:
+ nsICancelableRunnable() { }
+ virtual ~nsICancelableRunnable() {}
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsICancelableRunnable,
+ NS_ICANCELABLERUNNABLE_IID)
+
+#endif // nsICancelableRunnable_h__