restarting a process when it is crashed

I've recently noticed when I'm browsing the web, my screen suddenly goes blank and MATE restarts. I tried looking up how to troubleshoot this, but I got vague results. I decided to check the documentation and found a way to send a crash report, and typing in the problem and clicking "pastebin"...

i am using centos and and i wrote a c program to restart the process whenever the process is killed with SIGSEGV & SIGALRM but i am able to that for only once when ever i am trying to kill for the second time it is not killing the process crashlog("caught the sigsegv signal"); system("service...