40 lines
840 B
C++
40 lines
840 B
C++
#include "cxxabi.h"
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#define __EXIT_ENTRIES_COUNT (64)
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extern "C" {
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VIS_HIDDEN void* __dso_handle;
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struct VIS_HIDDEN __termination_info {
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void (*func)(void*);
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void* arg;
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void* dso_handle;
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};
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static struct __termination_info __exit_info[__EXIT_ENTRIES_COUNT];
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static int __exit_counter = 0;
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int __cxa_atexit(void (*func)(void*), void* arg, void* dso_handle)
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{
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if (__exit_counter >= __EXIT_ENTRIES_COUNT) {
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return -1;
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}
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__exit_info[__exit_counter++] = {
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.func = func,
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.arg = arg,
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.dso_handle = dso_handle,
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};
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return 0;
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}
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void __cxa_finalize(void* dso_handle)
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{
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for (int i = __exit_counter - 1; i >= 0; i--) {
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if (dso_handle && __exit_info[i].dso_handle != dso_handle) {
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continue;
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}
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__exit_info[i].func(__exit_info[i].arg);
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}
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}
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} |