/usr/include/afs/pthread_glock.h is in libopenafs-dev 1.8.0~pre5-1.
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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | /*
* Copyright 2000, International Business Machines Corporation and others.
* All Rights Reserved.
*
* This software has been released under the terms of the IBM Public
* License. For details, see the LICENSE file in the top-level source
* directory or online at http://www.openafs.org/dl/license10.html
*/
#ifndef _AFS_PTHREAD_GLOCK_H_
#define _AFS_PTHREAD_GLOCK_H_
#if defined(AFS_PTHREAD_ENV) && !defined(KERNEL)
#include <pthread.h>
#include <afs/opr.h>
typedef struct {
pthread_mutex_t mut;
volatile pthread_t owner;
volatile unsigned int locked;
volatile unsigned int times_inside;
} pthread_recursive_mutex_t, *pthread_recursive_mutex_p;
#if defined(AFS_NT40_ENV) && defined(AFS_PTHREAD_ENV)
#ifndef AFS_GRMUTEX_DECLSPEC
#define AFS_GRMUTEX_DECLSPEC __declspec(dllimport) extern
#endif
#else
#define AFS_GRMUTEX_DECLSPEC extern
#endif
AFS_GRMUTEX_DECLSPEC pthread_recursive_mutex_t grmutex;
extern int pthread_recursive_mutex_lock(pthread_recursive_mutex_p);
extern int pthread_recursive_mutex_unlock(pthread_recursive_mutex_p);
#define LOCK_GLOBAL_MUTEX \
opr_Verify(pthread_recursive_mutex_lock(&grmutex)==0)
#define UNLOCK_GLOBAL_MUTEX \
opr_Verify(pthread_recursive_mutex_unlock(&grmutex)==0)
#else /* AFS_PTHREAD_ENV && !KERNEL */
#define LOCK_GLOBAL_MUTEX
#define UNLOCK_GLOBAL_MUTEX
#endif /* AFS_PTHREAD_ENV && !KERNEL */
#endif /* _AFS_PTHREAD_GLOCK_H_ */
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