Make a sysctl API and retrieve the kinfo_proc structure http://fxr.watson.org/fxr/source/sys/kinfo.h?v=DFBSD. This struct has information about running processes.You can run it in a loop until to get info about all processes. Here is a code snippet- extend it to get info of all processes mib[0] = CTL_KERN; mib[1] = KERN_PROC; mib[2] = KERN_PROC_ALL; mib[3] = 0; … Read more
You cannot, at least not for the process being killed. What you can do is arrange for the parent process to watch for the child process’s death, and act accordingly. Any decent process supervision system, such as daemontools, has such a facility built in.
It is impossible for any program, in any language, to handle a SIGKILL. This is so it is always possible to terminate a program, even if the program is buggy or malicious. But SIGKILL is not the only means for terminating a program. The other is to use a SIGTERM. Programs can handle that signal. … Read more