ref: 8d0d2ec80f06f3d7d8ba44313cd08eaef5d9b5d1
dir: /sys/include/ape/lock.h/
#if !defined(_RESEARCH_SOURCE) && !defined(_PLAN9_SOURCE)
This header file is an extension of ANSI/POSIX
#endif
#ifndef __LOCK_H
#define __LOCK_H
#pragma lib "/$M/lib/ape/libap.a"
#include <u.h>
typedef struct
{
int val;
} Lock;
#ifdef __cplusplus
extern "C" {
#endif
extern void lock(Lock*);
extern void unlock(Lock*);
extern int canlock(Lock*);
extern int tas(int*);
#ifdef __cplusplus
}
#endif
#endif