ã„ã‚„ãªãƒ–ãƒã‚° - RAII 㨠setjmp/longjmpRAII 㨠setjmp/longjmp C++ ã«ã¯ RAII (Resource Acquisition Is Initialization) ã¨ã„ã†ã‚¤ãƒ‡ã‚£ã‚ªãƒ ãŒã‚ã‚Šã¾ã™ã€‚ã“ã‚Œã¯ãƒªã‚½ãƒ¼ã‚¹ã®é–‹æ”¾ã‚’確実ã«è¡Œã†ãŸã‚ã®ãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ã¨ã—㦠C++ ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã§åºƒã用ã„られã¦ã„ã¾ã™ã€‚ã—ã‹ã—ã€RAII ã‚‚ setjmp/longjmp ã¨ã„ã†è½ã¨ã—ç©´ãŒã‚ã‚Šã¾ã™ã€‚ RAIIã®åŸºæœ¬ 次ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã¯ãƒ¡ãƒ¢ãƒªãƒªãƒ¼ã‚¯ã‚’èµ·ã“ã—ã¾ã™ã€‚ #include <string> using namespace std; int main() { string *p = new string; return 0; } ã“ã®ãƒ—ãƒã‚°ãƒ©ãƒ をビルドã—㦠valgrind ã§ãƒ†ã‚¹ãƒˆã™ã‚‹ã¨æ¬¡ã®ã‚ˆã†ãªã‚¨ãƒ©ãƒ¼ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ãŒè¡¨ç¤ºã•ã‚Œã¾ã™ã€‚4ãƒã‚¤ãƒˆã®ãƒ¡ãƒ¢ãƒªãƒªãƒ¼ã‚¯ãŒæ¤œå‡ºã•ã‚Œã¾ã—ãŸã€‚ % g++ test.cc % valgrind ./a.ou
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