mingw/include/sys/locking.h

   1 /*
   2  * locking.h
   3  * This file has no copyright assigned and is placed in the Public Domain.
   4  * This file is a part of the mingw-runtime package.
   5  * No warranty is given; refer to the file DISCLAIMER within the package.
   6  *
   7  * Constants for the mode parameter of the locking function.
   8  *
   9  */
  10
  11 #ifndef _LOCKING_H_
  12 #define _LOCKING_H_
  13
  14 /* All the headers include this file. */
  15 #include <_mingw.h>
  16
  17 #define _LK_UNLCK       0       /* Unlock */
  18 #define _LK_LOCK        1       /* Lock */
  19 #define _LK_NBLCK       2       /* Non-blocking lock */
  20 #define _LK_RLCK        3       /* Lock for read only */
  21 #define _LK_NBRLCK      4       /* Non-blocking lock for read only */
  22
  23 #ifndef NO_OLDNAMES
  24 #define LK_UNLCK        _LK_UNLCK
  25 #define LK_LOCK         _LK_LOCK
  26 #define LK_NBLCK        _LK_NBLCK
  27 #define LK_RLCK         _LK_RLCK
  28 #define LK_NBRLCK       _LK_NBRLCK
  29 #endif  /* Not NO_OLDNAMES */
  30
  31 #endif  /* Not _LOCKING_H_ */