/scilab-master-1333395999/modules/windows_tools/src/c/scilab_windows/InnosetupMutex.c

# · C · 45 lines · 23 code · 1 blank · 21 comment · 1 complexity · b7bef746b3becf4e27ec0ae0b1207c6a MD5 · raw file 

    

  1. /*
    2. 

  2. * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
    3. 

  3. * Copyright (C) INRIA - 2008 - Allan CORNET
    4. 

  4. * Copyright (C) DIGITEO - 2012 - Allan CORNET
    5. 

  5. * 
    6. 

  6. * This file must be used under the terms of the CeCILL.
    7. 

  7. * This source file is licensed as described in the file COPYING, which
    8. 

  8. * you should have received as part of this distribution.  The terms
    9. 

  9. * are also available at    
    10. 

  10. * http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
    11. 

  11. *
    12. 

  12. */
    13. 

  13. 

  14. /*--------------------------------------------------------------------------*/
    15. 

  15. #include <windows.h>
    16. 

  16. #include "InnosetupMutex.h"
    17. 

  17. #include "BOOL.h"
    18. 

  18. #include "version.h"
    19. 

  19. /*--------------------------------------------------------------------------*/
    20. 

  20. static HANDLE hMutexScilabID;
    21. 

  21. /*--------------------------------------------------------------------------*/
    22. 

  22. void createInnosetupMutex(void)
    23. 

  23. {
    24. 

  24. 	/* http://www.vincenzo.net/isxkb/index.php?title=Application_considerations */
    25. 

  25. 	/* creates a named mutex used by Innosetup */
    26. 

  26. 	hMutexScilabID = CreateMutex (NULL, FALSE,SCI_VERSION_STRING );
    27. 

  27. }
    28. 

  28. /*--------------------------------------------------------------------------*/
    29. 

  29. void closeInnosetupMutex(void)
    30. 

  30. {
    31. 

  31. 	/* close named mutex */
    32. 

  32. 	CloseHandle(hMutexScilabID);
    33. 

  33. }
    34. 

  34. /*--------------------------------------------------------------------------*/
    35. 

  35. BOOL haveInnosetupMutex(void)
    36. 

  36. {
    37. 

  37.     HANDLE hMutex = OpenMutex(MUTEX_ALL_ACCESS, FALSE, SCI_VERSION_STRING);
    38. 

  38.     if (hMutex)
    39. 

  39.     {
    40. 

  40.         CloseHandle(hMutex);
    41. 

  41.         return TRUE;
    42. 

  42.     }
    43. 

  43.     return FALSE;
    44. 

  44. }
    45. 

  45. /*--------------------------------------------------------------------------*/
    46.