How to write a signal handler to catch SIGSEGV?

Question

I want to write a signal handler to catch SIGSEGV. I protect a block of memory for read or write using

char *buffer;
char *p;
char a;
int pagesize = 4096;

         


        

Answer 1

There is a compilation problem using ucontext_t or struct ucontext (present in /usr/include/sys/ucontext.h)

http://www.mail-archive.com/arch-general@archlinux.org/msg13853.html