ref: c6a3e6b464ba23d8c99355b77c49690d6d07a6c4
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