/usr/include/ncbi-vdb/kproc/sem.hpp is in libncbi-vdb-dev 2.8.1+dfsg-2.
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 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 | /*===========================================================================
*
* PUBLIC DOMAIN NOTICE
* National Center for Biotechnology Information
*
* This software/database is a "United States Government Work" under the
* terms of the United States Copyright Act. It was written as part of
* the author's official duties as a United States Government employee and
* thus cannot be copyrighted. This software/database is freely available
* to the public for use. The National Library of Medicine and the U.S.
* Government have not placed any restriction on its use or reproduction.
*
* Although all reasonable efforts have been taken to ensure the accuracy
* and reliability of the software and data, the NLM and the U.S.
* Government do not and cannot warrant the performance or results that
* may be obtained by using this software or data. The NLM and the U.S.
* Government disclaim all warranties, express or implied, including
* warranties of performance, merchantability or fitness for any particular
* purpose.
*
* Please cite the author in any work or product based on this material.
*
* ===========================================================================
*
*/
#ifndef _hpp_kproc_sem_
#define _hpp_kproc_sem_
#ifndef _h_kproc_sem_
#include <kproc/sem.h>
#endif
/*--------------------------------------------------------------------------
* KSemaphore
* a metering device
*/
struct KSemaphore
{
/* Make
*
* "count" [ IN ] - initial count value
*/
static inline rc_t Make ( KSemaphore **sem, uint64_t count )
throw ()
{ return KSemaphoreMake ( sem, count ); }
/* AddRef
* Release
*/
inline rc_t AddRef () const
throw ()
{ return KSemaphoreAddRef ( this ); }
inline rc_t Release () const
throw ()
{ return KSemaphoreRelease ( this ); }
/* Wait
* block until a count becomes available
*
* "lock" [ IN ] - externally acquired lock
*/
inline rc_t Wait ( struct KLock *lock )
throw ()
{ return KSemaphoreWait ( this, lock ); }
inline rc_t Wait ( struct KLock *lock, struct timeout_t *tm )
throw ()
{ return KSemaphoreTimedWait ( this, lock, tm ); }
inline rc_t TimedWait ( struct KLock *lock, struct timeout_t *tm )
throw ()
{ return KSemaphoreTimedWait ( this, lock, tm ); }
/* Signal
* signal that a count has become available
*/
inline rc_t Signal ()
throw ()
{ return KSemaphoreSignal ( this ); }
/* Alloc
* allocate a count
* used for resource metering
*
* "lock" [ IN ] - externally acquired lock
*
* "count" [ IN ] - the resource count
*/
inline rc_t Alloc ( struct KLock *lock, uint64_t count )
throw ()
{ return KSemaphoreAlloc ( this, lock, count ); }
inline rc_t Alloc ( struct KLock *lock, uint64_t count, struct timeout_t *tm )
throw ()
{ return KSemaphoreTimedAlloc ( this, lock, count, tm ); }
inline rc_t TimedAlloc ( struct KLock *lock, uint64_t count, struct timeout_t *tm )
throw ()
{ return KSemaphoreTimedAlloc ( this, lock, count, tm ); }
/* Free
* signal that resources have become available
*/
inline rc_t Free ( uint64_t count )
throw ()
{ return KSemaphoreFree ( this, count ); }
/* Count
* request the current resource usage
* valid only within lock
*
* "count" [ OUT ] - return parameter for current count
*/
inline rc_t Count ( uint64_t *count ) const
throw ()
{ return KSemaphoreCount ( this, count ); }
private:
KSemaphore ();
~ KSemaphore ();
KSemaphore ( const KSemaphore& );
KSemaphore &operator = ( const KSemaphore& );
};
#endif // _hpp_kproc_sem_
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