1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
#ifndef _SYS_FILE_H #define _SYS_FILE_H #define F_LOCK 1 #define F_TLOCK 2 #define F_ULOCK 3 #define F_TEST 4 #define LOCK_SH 1 #define LOCK_EX 2 #define LOCK_NB 4 #define LOCK_UN 8 int flock(int, int); #endif