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39 lines
1.0 KiB
39 lines
1.0 KiB
// Conditions (a.k.a. exceptions)
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#ifndef _CL_CONDITION_H
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#define _CL_CONDITION_H
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#include "cln/malloc.h"
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#include "cln/io.h"
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namespace cln {
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struct cl_condition {
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// Allocation.
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void* operator new (size_t size) { return malloc_hook(size); }
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// Deallocation.
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void operator delete (void* ptr) { free_hook(ptr); }
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// Name.
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virtual const char * name () const = 0;
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// Print.
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virtual void print (std::ostream&) const = 0;
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// Virtual destructor.
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virtual ~cl_condition () = 0;
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private:
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virtual void dummy ();
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};
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#define SUBCLASS_cl_condition() \
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public: \
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/* Allocation. */ \
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void* operator new (size_t size) { return malloc_hook(size); } \
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/* Deallocation. */ \
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void operator delete (void* ptr) { free_hook(ptr); }
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// Functions which want to raise a condition return a `cl_condition*'.
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// The caller checks this value. NULL means no condition. The one who
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// disposes the condition (handles it without resignalling it) should
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// call `delete' on the condition pointer.
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} // namespace cln
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#endif /* _CL_CONDITION_H */
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