objc

mutex.h
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1 
6 #pragma once
7 #include "runtime.h"
8 
15 int objc_sync_enter(id obj);
16 
24 int objc_sync_exit(id obj);
objc_sync_enter
int objc_sync_enter(id obj)
Acquire a lock on the specified object for thread synchronization.
runtime.h
Defines the core types and functions of the Objective-C runtime.
objc_sync_exit
int objc_sync_exit(id obj)
Release a lock on the specified object.