/usr/include/tao/Condition.h is in libtao-dev 6.0.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//=============================================================================
/**
* @file Condition.h
*
* $Id: Condition.h 91449 2010-08-24 14:27:43Z johnnyw $
*
* @author From ACE to TAO by Balachandran Natarajan <bala@cs.wustl.edu>
*/
//=============================================================================
#ifndef TAO_CONDITION_H
#define TAO_CONDITION_H
#include /**/ "ace/pre.h"
#include "tao/orbconf.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/Condition_T.h"
#include "ace/Global_Macros.h"
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
class ACE_Time_Value;
ACE_END_VERSIONED_NAMESPACE_DECL
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
/**
* @class TAO_Condition
*
* @brief Same as to the ACE_Condition variable wrapper
*
* This class differs from ACE_Condition in that it uses a
* TAO_SYNCH_CONDITION instead of ACE_cond_t under the hood to
* provide blocking.
*/
template <class MUTEX>
class TAO_Condition : private ACE_Copy_Disabled
{
public:
/// Useful typedef
typedef MUTEX LOCK;
// = Initialiation and termination methods.
/// Initialize the condition variable.
TAO_Condition (MUTEX &m);
/// A default constructor. Since no lock is provided by the user,
/// one will be created internally.
TAO_Condition (void);
/// Implicitly destroy the condition variable.
~TAO_Condition (void);
// = Lock accessors.
/**
* Block on condition, or until absolute time-of-day has passed. If
* abstime == 0 use "blocking" <wait> semantics. Else, if <abstime>
* != 0 and the call times out before the condition is signaled
* <wait> returns -1 and sets errno to ETIME.
*/
int wait (const ACE_Time_Value *abstime);
/// Block on condition.
int wait (void);
/**
* Block on condition or until absolute time-of-day has passed. If
* abstime == 0 use "blocking" wait() semantics on the <mutex>
* passed as a parameter (this is useful if you need to store the
* <Condition> in shared memory). Else, if <abstime> != 0 and the
* call times out before the condition is signaled <wait> returns -1
* and sets errno to ETIME.
*/
int wait (MUTEX &mutex, const ACE_Time_Value *abstime = 0);
/// Signal one waiting thread.
int signal (void);
/// Signal *all* waiting threads.
int broadcast (void);
// = Utility methods.
/// Explicitly destroy the condition variable.
int remove (void);
/// Returns a reference to the underlying mutex_;
MUTEX *mutex (void);
private:
/// Reference to mutex lock.
MUTEX *mutex_;
/// A flag to indicate whether the lock needs to be deleted.
bool delete_lock_;
/// Condition variable.
TAO_SYNCH_CONDITION *cond_;
};
TAO_END_VERSIONED_NAMESPACE_DECL
#if defined (__ACE_INLINE__)
#include "tao/Condition.inl"
#endif /* __ACE_INLINE__ */
#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
#include "tao/Condition.cpp"
#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
#pragma implementation ("Condition.cpp")
#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
#include /**/ "ace/post.h"
#endif /*TAO_CONDITION_H*/
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