36 lines
832 B
C++
36 lines
832 B
C++
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#define ATEXIT_MAX_FUNCS 128
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef unsigned uarch_t;
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struct atexit_func_entry_t
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{
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/*
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* Each member is at least 4 bytes large. Such that each entry is 12bytes.
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* 128 * 12 = 1.5KB exact.
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**/
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void (*destructor_func)(void *);
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void *obj_ptr;
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void *dso_handle;
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};
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atexit_func_entry_t __atexit_funcs[ATEXIT_MAX_FUNCS];
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uarch_t __atexit_func_count = 0;
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int __cxa_atexit(void (*f)(void *), void *objptr, void *dso)
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{
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if (__atexit_func_count >= ATEXIT_MAX_FUNCS) {return -1;};
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__atexit_funcs[__atexit_func_count].destructor_func = f;
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__atexit_funcs[__atexit_func_count].obj_ptr = objptr;
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__atexit_funcs[__atexit_func_count].dso_handle = dso;
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__atexit_func_count++;
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return 0; /*I would prefer if functions returned 1 on success, but the ABI says...*/
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};
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#ifdef __cplusplus
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};
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#endif
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