/usr/include/sipxtapi/os/linux/OsCSemLinux.h is in libsipxtapi-dev 3.3.0~test17-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Copyright (C) 2004-2006 SIPfoundry Inc.
// Licensed by SIPfoundry under the LGPL license.
//
// Copyright (C) 2004-2006 Pingtel Corp. All rights reserved.
// Licensed to SIPfoundry under a Contributor Agreement.
//
// $$
///////////////////////////////////////////////////////////////////////////////
#ifndef _OsCSemLinux_h_
#define _OsCSemLinux_h_
// SYSTEM INCLUDES
// APPLICATION INCLUDES
#include "os/OsCSem.h"
#include "os/linux/OsLinuxDefs.h"
#include "os/linux/pt_csem.h"
// DEFINES
// MACROS
// EXTERNAL FUNCTIONS
// EXTERNAL VARIABLES
// CONSTANTS
// STRUCTS
// TYPEDEFS
// FORWARD DECLARATIONS
//:Counting semaphore for Linux
class OsCSemLinux : public OsCSemBase
{
/* //////////////////////////// PUBLIC //////////////////////////////////// */
public:
/* ============================ CREATORS ================================== */
OsCSemLinux(const int queueOptions, const int maxCount);
//:Constructor setting the initial and max semaphore values to maxCount
OsCSemLinux(const int queueOptions, const int maxCount, const int initCount);
//:Constructor allowing different initial and maximum semaphore values
virtual
~OsCSemLinux();
//:Destructor
/* ============================ MANIPULATORS ============================== */
virtual OsStatus acquire(const OsTime& rTimeout = OsTime::OS_INFINITY);
//:Block the task until the semaphore is acquired or the timeout expires
virtual OsStatus tryAcquire(void);
//:Conditionally acquire the semaphore (i.e., don't block)
// Return OS_BUSY if the semaphore is held by some other task
virtual OsStatus release(void);
//:Release the semaphore
/* ============================ ACCESSORS ================================= */
/* ============================ INQUIRY =================================== */
/* //////////////////////////// PROTECTED ///////////////////////////////// */
protected:
/* //////////////////////////// PRIVATE /////////////////////////////////// */
private:
pt_sem_t mSemImp; // Pingtel-Linux counting semaphore
OsCSemLinux();
//:Default constructor (not implemented for this class)
OsCSemLinux(const OsCSemLinux& rOsCSemLinux);
//:Copy constructor (not implemented for this class)
OsCSemLinux& operator=(const OsCSemLinux& rhs);
//:Assignment operator (not implemented for this class)
void init(void);
//:Common initialization shared by all (non-copy) constructors
};
/* ============================ INLINE METHODS ============================ */
#endif // _OsCSemLinux_h_
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