umc_semaphore.cpp

这是在PCA下的基于IPP库示例代码例子,在网上下了IPP的库之后,设置相关参数就可以编译该代码.

/*
//
//                  INTEL CORPORATION PROPRIETARY INFORMATION
//     This software is supplied under the terms of a license agreement or
//     nondisclosure agreement with Intel Corporation and may not be copied
//     or disclosed except in accordance with the terms of that agreement.
//       Copyright(c) 2003-2005 Intel Corporation. All Rights Reserved.
//
*/

#include "umc_semaphore.h"

namespace UMC
{

Semaphore::Semaphore(void)
{
    vm_semaphore_set_invalid(&m_handle);

} // Semaphore::Semaphore(void)

Semaphore::~Semaphore(void)
{
    if (vm_semaphore_is_valid(&m_handle))
    {
        vm_semaphore_post(&m_handle);
        vm_semaphore_destroy(&m_handle);
    }

} // Semaphore::~Semaphore(void)

Status Semaphore::Init(int iInitCount)
{
    if (vm_semaphore_is_valid(&m_handle))
    {
        vm_semaphore_post(&m_handle);
        vm_semaphore_destroy(&m_handle);
    }

    return vm_semaphore_init(&m_handle, iInitCount);

} // Status Semaphore::Init(int iInitCount)

} // namespace UMC