获取当前方法调用的线程ID

Question

有没有办法打印出当前正在执行当前方法的线程ID？

(Objective-c please)

Answer 1

NSLog(@"%@", [NSThread currentThread]);

Answer 2

#include <pthread.h>
...
mach_port_t machTID = pthread_mach_thread_np(pthread_self());
NSLog(@"current thread: %x", machTID);

Answer 3

在Swift3中

print("Current thread \(Thread.current)")

Answer 4

在斯威夫特

print("Current thread \(NSThread.currentThread())")

Answer 5

在Swift4 中

print("\(Thread.current)")