/usr/include/ncbi-vdb/kproc/barrier.h 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.
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*
* 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
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* Please cite the author in any work or product based on this material.
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* ===========================================================================
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*/
#ifndef _h_kproc_barrier_
#define _h_kproc_barrier_
#ifndef _h_kproc_extern_
#include <kproc/extern.h>
#endif
#ifndef _h_klib_defs_
#include <klib/defs.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*--------------------------------------------------------------------------
* KBarrier
* a thread synchronization device
* detains all callers until the required number has been reached
*/
typedef struct KBarrier KBarrier;
/* Make
* create a barrier
*
* "count" [ IN ] - the number of threads to block
*/
KPROC_EXTERN rc_t CC KBarrierMake ( KBarrier **b, uint32_t count );
/* AddRef
* Release
*/
KPROC_EXTERN rc_t CC KBarrierAddRef ( const KBarrier *self );
KPROC_EXTERN rc_t CC KBarrierRelease ( const KBarrier *self );
/* Wait
* block until the required number of callers has been reached
*/
KPROC_EXTERN rc_t CC KBarrierWait ( KBarrier *self );
#ifdef __cplusplus
}
#endif
#endif /* _h_kproc_barrier_ */
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