I’m reading <Expert C Programming>
this topic 6.8 is on setjmp/longjmp mechanism,
compared with throw/catch this setting obviously has an re-enter callback.
notes,
-zip
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#include <setjmp.h> jmp_buf buf; banana(){ printf("In banana()n"); longjmp(buf,1); printf("You'll never see this line.n"); } main(){ if (setjmp(buf)) printf("back into mainn"); else{ printf("first time running n"); banana(); } } |