include/cl_condition.h

   1 // Conditions (a.k.a. exceptions)
   2
   3 #ifndef _CL_CONDITION_H
   4 #define _CL_CONDITION_H
   5
   6 #include "cl_malloc.h"
   7 #include "cl_io.h"
   8
   9 struct cl_condition {
  10         // Allocation.
  11         void* operator new (size_t size) { return cl_malloc_hook(size); }
  12         // Deallocation.
  13         void operator delete (void* ptr) { cl_free_hook(ptr); }
  14         // Name.
  15         virtual const char * name () const = 0;
  16         // Print.
  17         virtual void print (cl_ostream) const = 0;
  18         // Virtual destructor.
  19         virtual ~cl_condition ()
  20         #if defined(__GNUC__) && (__GNUC__ == 2) && (__GNUC_MINOR__ < 8) // workaround gcc bug
  21                 {}
  22         #else
  23                 = 0;
  24         #endif
  25 private:
  26         virtual void dummy ();
  27 };
  28 #define SUBCLASS_cl_condition() \
  29 public:                                                                   \
  30         /* Allocation. */                                                 \
  31         void* operator new (size_t size) { return cl_malloc_hook(size); } \
  32         /* Deallocation. */                                               \
  33         void operator delete (void* ptr) { cl_free_hook(ptr); }
  34
  35 // Functions which want to raise a condition return a `cl_condition*'.
  36 // The caller checks this value. NULL means no condition. The one who
  37 // disposes the condition (handles it without resignalling it) should
  38 // call `delete' on the condition pointer.
  39
  40 #endif /* _CL_CONDITION_H */