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/cln-1.3.2/include/cln/modules.h

#
C Header | 37 lines | 21 code | 5 blank | 11 comment | 2 complexity | 3d23d79569c9df74a24623f3444daec6 MD5 | raw file
Possible License(s): GPL-2.0 
    

  1. // Macros for correct module ordering.
    2. 

  2. 

  3. #ifndef _CL_MODULES_H
    4. 

  4. #define _CL_MODULES_H
    5. 

  5. 

  6. // global constructor/destructor naming.
    7. 

  7. #include "cln/config.h"
    8. 

  8. 

  9. // Concatenation of macroexpanded tokens.
    10. 

  10. // Equivalent to CL_CONCAT in src/base/cl_macros.h which we do not want
    11. 

  11. // to expose, however.
    12. 

  12. #define CL_CONCATENATE_(xxx,yyy)  xxx##yyy
    13. 

  13. #define CL_CONCATENATE(xxx,yyy)  CL_CONCATENATE_(xxx,yyy)
    14. 

  14. 

  15. // Sometimes a link time dependency is needed, but without requirements
    16. 

  16. // on initialization order.
    17. 

  17. //
    18. 

  18. // CL_FORCE_LINK(dummy,external_variable)
    19. 

  19. // forces a link time reference to the external_variable.
    20. 

  20. #include <cstdlib>
    21. 

  21. #if 0
    22. 

  22. // This definition does not work.  It gets optimized away by g++ 3.1.
    23. 

  23. #define CL_FORCE_LINK(dummy,external_variable) \
    24. 

  24.   static const void* const dummy[] = { &dummy, &external_variable };
    25. 

  25. #else
    26. 

  26. #define CL_FORCE_LINK(dummy,external_variable) \
    27. 

  27.   static const								\
    28. 

  28.   struct dummy {							\
    29. 

  29.     inline dummy () {							\
    30. 

  30.       if ((void*) &external_variable == (void*) this)			\
    31. 

  31.         abort();							\
    32. 

  32.     }									\
    33. 

  33.   }									\
    34. 

  34.   CL_CONCATENATE(dummy,_instance);
    35. 

  35. #endif
    36. 

  36. 

  37. #endif /* _CL_MODULES_H */
    38. 

  38.