/usr/x86_64-w64-mingw32/include/sys/locking.h is in mingw-w64-x86-64-dev 2.0.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | /**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the w64 mingw-runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
#ifndef _INC_LOCKING
#define _INC_LOCKING
#ifndef _WIN32
#error Only Win32 target is supported!
#endif
/* All the headers include this file. */
#include <_mingw.h>
#define _LK_UNLCK 0
#define _LK_LOCK 1
#define _LK_NBLCK 2
#define _LK_RLCK 3
#define _LK_NBRLCK 4
#ifndef NO_OLDNAMES
#define LK_UNLCK _LK_UNLCK
#define LK_LOCK _LK_LOCK
#define LK_NBLCK _LK_NBLCK
#define LK_RLCK _LK_RLCK
#define LK_NBRLCK _LK_NBRLCK
#endif
#endif
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