mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
synced 2024-12-22 14:14:58 -05:00
64 lines
2.3 KiB
Diff
64 lines
2.3 KiB
Diff
From 2d696238c1acdd26b824b80c26942d06c071f451 Mon Sep 17 00:00:00 2001
|
|
From: Mike Klein <mtklein@google.com>
|
|
Date: Mon, 17 Sep 2018 17:29:39 -0400
|
|
Subject: [PATCH] RESTRICT AUTOMERGE: Make listener lists threadsafe with a
|
|
mutex.
|
|
|
|
Bug: 124232283
|
|
Test: Infeasible
|
|
|
|
Cherry-pick of https://skia-review.googlesource.com/155060 in Skia
|
|
|
|
There were conflicts due the fact that pi-dev does not have commit
|
|
afa11586d782c7cb3e83b8af48023ff227349516 ("Make the SkPathRef
|
|
GenIDChangeListener ref counted") or
|
|
6c8d242b14355bf66c9137e9e4d6c7861d22168f ("Make atomic lists list for
|
|
bitmaps and paths" - an alternate fix for this issue) and some smaller
|
|
header file changes.
|
|
|
|
Change-Id: I7c2c5cd6603007d099169071a1b7d1a230c621bc
|
|
Merged-In: I91a8fbdd1b8fb4cf8b124ebdf17212c643058ef3
|
|
---
|
|
include/core/SkPixelRef.h | 3 ++-
|
|
src/core/SkPixelRef.cpp | 2 ++
|
|
2 files changed, 4 insertions(+), 1 deletion(-)
|
|
|
|
diff --git a/include/core/SkPixelRef.h b/include/core/SkPixelRef.h
|
|
index 4369e5d537..3b2de4eaa8 100644
|
|
--- a/include/core/SkPixelRef.h
|
|
+++ b/include/core/SkPixelRef.h
|
|
@@ -236,7 +236,7 @@ class SK_API SkPixelRef : public SkFlattenable {
|
|
virtual void onChange() = 0;
|
|
};
|
|
|
|
- // Takes ownership of listener.
|
|
+ // Takes ownership of listener. Threadsafe.
|
|
void addGenIDChangeListener(GenIDChangeListener* listener);
|
|
|
|
protected:
|
|
@@ -311,6 +311,7 @@ class SK_API SkPixelRef : public SkFlattenable {
|
|
mutable uint32_t fGenerationID;
|
|
mutable bool fUniqueGenerationID;
|
|
|
|
+ SkMutex fGenIDChangeListenersMutex;
|
|
SkTDArray<GenIDChangeListener*> fGenIDChangeListeners; // pointers are owned
|
|
|
|
SkString fURI;
|
|
diff --git a/src/core/SkPixelRef.cpp b/src/core/SkPixelRef.cpp
|
|
index 6cc67d89af..290d29d71c 100644
|
|
--- a/src/core/SkPixelRef.cpp
|
|
+++ b/src/core/SkPixelRef.cpp
|
|
@@ -242,10 +242,12 @@ void SkPixelRef::addGenIDChangeListener(GenIDChangeListener* listener) {
|
|
SkDELETE(listener);
|
|
return;
|
|
}
|
|
+ SkAutoMutexAcquire lock(fGenIDChangeListenersMutex);
|
|
*fGenIDChangeListeners.append() = listener;
|
|
}
|
|
|
|
void SkPixelRef::callGenIDChangeListeners() {
|
|
+ SkAutoMutexAcquire lock(fGenIDChangeListenersMutex);
|
|
// We don't invalidate ourselves if we think another SkPixelRef is sharing our genID.
|
|
if (fUniqueGenerationID) {
|
|
for (int i = 0; i < fGenIDChangeListeners.count(); i++) {
|