github.com/afumu/libc@v0.0.6/musl/include/sys/file.h (about)

     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