jpgmisc.c

6410BSP3

//
// Copyright (c) Samsung Electronics. Co. LTD.  All rights reserved.
//
/*++
THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
PARTICULAR PURPOSE.

*/


#include <stdio.h>
#include <stdarg.h>
#include <windows.h>
#include <pmplatform.h>

static HANDLE    hMutex;

/*----------------------------------------------------------------------------
*Function: CreateJPGmutex
*Implementation Notes: Create Mutex handle 
-----------------------------------------------------------------------------*/
HANDLE CreateJPGmutex(void)
{
    hMutex = CreateMutex(NULL,  // default security attributes
                         FALSE, // initially not owned
                         NULL); // unnamed mutex
    
    return hMutex;
}

/*----------------------------------------------------------------------------
*Function: LockJPGMutex
*Implementation Notes: lock mutex 
-----------------------------------------------------------------------------*/
DWORD LockJPGMutex(void)
{
    DWORD                Status;

    Status = WaitForSingleObject(hMutex, INFINITE);
    if(Status == WAIT_OBJECT_0) 
    {
        Status = TRUE;
    } 
    else 
    {
        Status = GetLastError();
        RETAILMSG(1,(TEXT("DD::MUTEX LOCK ERROR : %d\r\n"),Status));
        Status = FALSE;
    }
      
    return Status;
}

/*----------------------------------------------------------------------------
*Function: UnlockJPGMutex
*Implementation Notes: unlock mutex
-----------------------------------------------------------------------------*/
DWORD UnlockJPGMutex(void)
{
    DWORD                Status;
   
    Status = ReleaseMutex(hMutex);
    if(Status != TRUE) 
    {
        Status = GetLastError();
        RETAILMSG(1,(TEXT("DD::MUTEX UNLOCK ERROR : %d\r\n"),Status));
    }

    return Status;
}

/*----------------------------------------------------------------------------
*Function: DeleteJPGMutex
*Implementation Notes: delete mutex handle 
-----------------------------------------------------------------------------*/
void DeleteJPGMutex(void)
{
    if (hMutex == NULL)
        return;

    CloseHandle(hMutex);
}


/*----------------------------------------------------------------------------
*Function: printD

*Parameters:         fmt        :
*Implementation Notes: Debug print
-----------------------------------------------------------------------------*/
void printD(char* fmt, ...) 
{
#ifdef DEBUG
    char str[512];
    wchar_t wstr[512];
    int    alen;
    int wlen;

    vsprintf(str, fmt, (char *)(&fmt+1));
    alen = strlen(str);
    wlen = MultiByteToWideChar(CP_ACP, 0, str, alen, 0, 0);
    MultiByteToWideChar(CP_ACP, 0, str, alen, wstr, wlen);
    wstr[wlen] = 0;
    NKDbgPrintfW(wstr);

#endif
}