1.
3.在弹出的对话框中输入"cmd"+"shift"+"g"
-
4
4.输入/usr/lib
https://jingyan.baidu.com/article/624e745959a39934e8ba5abb.html
2.thread
#define RunInSeparateThread(...) \
({ \
__block __typeof__(__VA_ARGS__) result; \
[ACDFTPManagerThread runInSeparateThread:^{ \
result = (__VA_ARGS__); \
}]; \
result; \
})
@implementation ACDFTPManagerThread + (void)runInSeparateThread:(void (^)(void))block {
ACDFTPManagerThread *thread = [[ACDFTPManagerThread alloc] init];
thread.block = block;
thread->waitCondition = [[NSCondition alloc] init]; [thread->waitCondition lock];
NSThread *t = [[NSThread alloc] initWithTarget:thread
selector:@selector(threadMain)
object:nil];
[t start];
[thread->waitCondition wait];
[thread->waitCondition unlock];
} - (void)threadMain {
@autoreleasepool {
self.block();
[waitCondition broadcast];
}
} @end
https://github.com/0xwangbo/GetEasy/blob/6770a0be76929962de14891e4b3061654494ac1a/Pods/ACDFTPManager/ACDFTPManager/Classes/ACDFTPManagerThread.m
https://github.com/search?l=Objective-C&q=main+thread+block&type=Code&utf8=%E2%9C%93