From 7b02207537d35bfa1714bf8beafc921f717d100a Mon Sep 17 00:00:00 2001
From: 单军华
Date: Wed, 11 Jul 2018 10:47:42 +0800
Subject: [PATCH] 首次上传
---
screendisplay/Pods/YYCategories/YYCategories/Foundation/NSThread+YYAdd.m | 107 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 107 insertions(+), 0 deletions(-)
diff --git a/screendisplay/Pods/YYCategories/YYCategories/Foundation/NSThread+YYAdd.m b/screendisplay/Pods/YYCategories/YYCategories/Foundation/NSThread+YYAdd.m
new file mode 100755
index 0000000..cda53e0
--- /dev/null
+++ b/screendisplay/Pods/YYCategories/YYCategories/Foundation/NSThread+YYAdd.m
@@ -0,0 +1,107 @@
+//
+// NSThread+YYAdd.h
+// YYCategories <https://github.com/ibireme/YYCategories>
+//
+// Created by ibireme on 15/7/3.
+// Copyright (c) 2015 ibireme.
+//
+// This source code is licensed under the MIT-style license found in the
+// LICENSE file in the root directory of this source tree.
+//
+
+#import "NSThread+YYAdd.h"
+#import <CoreFoundation/CoreFoundation.h>
+
+@interface NSThread_YYAdd : NSObject @end
+@implementation NSThread_YYAdd @end
+
+#if __has_feature(objc_arc)
+#error This file must be compiled without ARC. Specify the -fno-objc-arc flag to this file.
+#endif
+
+static NSString *const YYNSThreadAutoleasePoolKey = @"YYNSThreadAutoleasePoolKey";
+static NSString *const YYNSThreadAutoleasePoolStackKey = @"YYNSThreadAutoleasePoolStackKey";
+
+static const void *PoolStackRetainCallBack(CFAllocatorRef allocator, const void *value) {
+ return value;
+}
+
+static void PoolStackReleaseCallBack(CFAllocatorRef allocator, const void *value) {
+ CFRelease((CFTypeRef)value);
+}
+
+
+static inline void YYAutoreleasePoolPush() {
+ NSMutableDictionary *dic = [NSThread currentThread].threadDictionary;
+ NSMutableArray *poolStack = dic[YYNSThreadAutoleasePoolStackKey];
+
+ if (!poolStack) {
+ /*
+ do not retain pool on push,
+ but release on pop to avoid memory analyze warning
+ */
+ CFArrayCallBacks callbacks = {0};
+ callbacks.retain = PoolStackRetainCallBack;
+ callbacks.release = PoolStackReleaseCallBack;
+ poolStack = (id)CFArrayCreateMutable(CFAllocatorGetDefault(), 0, &callbacks);
+ dic[YYNSThreadAutoleasePoolStackKey] = poolStack;
+ CFRelease(poolStack);
+ }
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; //< create
+ [poolStack addObject:pool]; // push
+}
+
+static inline void YYAutoreleasePoolPop() {
+ NSMutableDictionary *dic = [NSThread currentThread].threadDictionary;
+ NSMutableArray *poolStack = dic[YYNSThreadAutoleasePoolStackKey];
+ [poolStack removeLastObject]; // pop
+}
+
+static void YYRunLoopAutoreleasePoolObserverCallBack(CFRunLoopObserverRef observer, CFRunLoopActivity activity, void *info) {
+ switch (activity) {
+ case kCFRunLoopEntry: {
+ YYAutoreleasePoolPush();
+ } break;
+ case kCFRunLoopBeforeWaiting: {
+ YYAutoreleasePoolPop();
+ YYAutoreleasePoolPush();
+ } break;
+ case kCFRunLoopExit: {
+ YYAutoreleasePoolPop();
+ } break;
+ default: break;
+ }
+}
+
+static void YYRunloopAutoreleasePoolSetup() {
+ CFRunLoopRef runloop = CFRunLoopGetCurrent();
+
+ CFRunLoopObserverRef pushObserver;
+ pushObserver = CFRunLoopObserverCreate(CFAllocatorGetDefault(), kCFRunLoopEntry,
+ true, // repeat
+ -0x7FFFFFFF, // before other observers
+ YYRunLoopAutoreleasePoolObserverCallBack, NULL);
+ CFRunLoopAddObserver(runloop, pushObserver, kCFRunLoopCommonModes);
+ CFRelease(pushObserver);
+
+ CFRunLoopObserverRef popObserver;
+ popObserver = CFRunLoopObserverCreate(CFAllocatorGetDefault(), kCFRunLoopBeforeWaiting | kCFRunLoopExit,
+ true, // repeat
+ 0x7FFFFFFF, // after other observers
+ YYRunLoopAutoreleasePoolObserverCallBack, NULL);
+ CFRunLoopAddObserver(runloop, popObserver, kCFRunLoopCommonModes);
+ CFRelease(popObserver);
+}
+
+@implementation NSThread (YYAdd)
+
++ (void)addAutoreleasePoolToCurrentRunloop {
+ if ([NSThread isMainThread]) return; // The main thread already has autorelease pool.
+ NSThread *thread = [self currentThread];
+ if (!thread) return;
+ if (thread.threadDictionary[YYNSThreadAutoleasePoolKey]) return; // already added
+ YYRunloopAutoreleasePoolSetup();
+ thread.threadDictionary[YYNSThreadAutoleasePoolKey] = YYNSThreadAutoleasePoolKey; // mark the state
+}
+
+@end
--
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