summaryrefslogtreecommitdiffstats
path: root/xpcom/threads/nsICancelableRunnable.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
commit0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch)
treea31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /xpcom/threads/nsICancelableRunnable.h
parentInitial commit. (diff)
downloadfirefox-esr-upstream/115.8.0esr.tar.xz
firefox-esr-upstream/115.8.0esr.zip
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'xpcom/threads/nsICancelableRunnable.h')
-rw-r--r--xpcom/threads/nsICancelableRunnable.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/xpcom/threads/nsICancelableRunnable.h b/xpcom/threads/nsICancelableRunnable.h
new file mode 100644
index 0000000000..7aa98c86b6
--- /dev/null
+++ b/xpcom/threads/nsICancelableRunnable.h
@@ -0,0 +1,40 @@
+/* -*- 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, so that calling run() on the task is a no-op.
+ * Calling cancel after the task execution has begun 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() = default;
+ virtual ~nsICancelableRunnable() = default;
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsICancelableRunnable, NS_ICANCELABLERUNNABLE_IID)
+
+#endif // nsICancelableRunnable_h__