These functions’ return value don’t imply about whether they succeeded or not. is there a way to know anyway?
These functions’ return value don’t imply about whether they succeeded or not. is there
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These functions’ return value don’t imply about whether they succeeded or not. is there a way to know anyway?
sigsetjmpcan’t fail – it just stores the caller’s context into the provided buffer.siglongjmpdoesn’t return, so there is no way to indicate failure via a return value. You must ensure that the buffer is valid before calling it.In C++, you usually can’t use these functions; calling
longjmpgives undefined behaviour if there are any automatic objects with non-trivial destructors on the call stack between there and the matching call tosetjmp.