include/sys/file.h

   1 #ifndef _SYS_FILE_H
   2 #define _SYS_FILE_H
   3 #ifdef __cplusplus
   4 extern "C" {
   5 #endif
   6
   7 #define LOCK_SH 1
   8 #define LOCK_EX 2
   9 #define LOCK_NB 4
  10 #define LOCK_UN 8
  11
  12 #define L_SET 0
  13 #define L_INCR 1
  14 #define L_XTND 2
  15
  16 int flock(int, int);
  17
  18 #ifdef __cplusplus
  19 }
  20 #endif
  21 #endif