/usr/include/ace/Thread_Semaphore.h is in libace-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 Thread_Semaphore.h
*
* $Id: Thread_Semaphore.h 86731 2009-09-17 12:23:48Z johnnyw $
*
* Moved from Synch.h.
*
* @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
*/
//==========================================================================
#ifndef ACE_THREAD_SEMAPHORE_H
#define ACE_THREAD_SEMAPHORE_H
#include /**/ "ace/pre.h"
#include /**/ "ace/ACE_export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#if !defined (ACE_HAS_THREADS)
# include "ace/Null_Semaphore.h"
#else /* ACE_HAS_THREADS */
// ACE platform supports some form of threading.
#include "ace/Semaphore.h"
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
/**
* @class ACE_Thread_Semaphore
*
* @brief Wrapper for Dijkstra style general semaphores that work
* only within one process.
*/
class ACE_Export ACE_Thread_Semaphore : public ACE_Semaphore
{
public:
/// Initialize the semaphore, with an initial value of @a count,
/// maximum value of @a max, and unlocked by default.
ACE_Thread_Semaphore (unsigned int count = 1, // By default make this unlocked.
const ACE_TCHAR *name = 0,
void * = 0,
int max = 0x7FFFFFFF);
/// Default dtor.
~ACE_Thread_Semaphore (void);
/// Dump the state of an object.
void dump (void) const;
/// Declare the dynamic allocation hooks.
ACE_ALLOC_HOOK_DECLARE;
};
/*****************************************************************************/
template <class T> class ACE_Malloc_Lock_Adapter_T;
/**
* @brief Template specialization of ACE_Malloc_Lock_Adapter_T for
* ACE_Thread_Semaphore.
*
* This is needed since the ctor for ACE_Thread_Semaphore doesn't match
* the standard form used by other lock strategy classes.
*/
template<>
class ACE_Export ACE_Malloc_Lock_Adapter_T<ACE_Thread_Semaphore>
{
public:
ACE_Thread_Semaphore * operator () (const ACE_TCHAR *name);
};
ACE_END_VERSIONED_NAMESPACE_DECL
#if defined (__ACE_INLINE__)
#include "ace/Thread_Semaphore.inl"
#endif /* __ACE_INLINE__ */
#endif /* !ACE_HAS_THREADS */
#include /**/ "ace/post.h"
#endif /* ACE_THREAD_SEMAPHORE_H */
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