/usr/include/ncbi-vdb/kproc/cond.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.
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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
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* Government disclaim all warranties, express or implied, including
* warranties of performance, merchantability or fitness for any particular
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*/
#ifndef _hpp_kproc_cond_
#define _hpp_kproc_cond_
#ifndef _h_kproc_cond_
#include <kproc/cond.h>
#endif
/*--------------------------------------------------------------------------
* KCondition
* a POSIX-style condition object
* ( requires an external lock object )
*
* usage: the user first acquires an external lock. then, depending upon
* the operation, will either test for a condition or establish it, where
* the former involves the potential to wait for a signal and the latter
* to generate a signal using the external lock for blocking.
*/
struct KCondition
{
/* Make
* create a condition
*/
static inline rc_t Make ( KCondition **cond )
throw ()
{ return KConditionMake ( cond ); }
/* AddRef
* Release
*/
inline rc_t AddRef () const
throw ()
{ return KConditionAddRef ( this ); }
inline rc_t Release () const
throw ()
{ return KConditionRelease ( this ); }
/* Wait
* block on external lock until signaled
*/
inline rc_t Wait ( struct KLock *lock )
throw ()
{ return KConditionWait ( this, lock ); }
inline rc_t Wait ( struct KLock *lock, struct timeout_t *tm )
throw ()
{ return KConditionTimedWait ( this, lock, tm ); }
inline rc_t TimedWait ( struct KLock *lock, struct timeout_t *tm )
throw ()
{ return KConditionTimedWait ( this, lock, tm ); }
/* Signal
* signal waiting threads
* awaken at most a single thread
*/
inline rc_t Signal ()
throw ()
{ return KConditionSignal ( this ); }
/* Broadcast
* signal waiting threads
* awaken all waiting thread
*/
inline rc_t Broadcast ()
throw ()
{ return KConditionBroadcast ( this ); }
private:
KCondition ();
~ KCondition ();
KCondition ( const KCondition& );
KCondition &operator = ( const KCondition& );
};
#endif // _hpp_kproc_cond_
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