how do i write a daemon? I know what they are (little programs that do something
useful in the background), but are they just normal programs that get pushed
into the background?
how do i make one (e.g foobar) and have it so that it runs in the background
if you type 'foobar -D' (or something).
I have a feeling it has something to do with fork() but how? For a fork() to
work you need a parent process and a child don't you?
and how do i monitor a /dev/TTYS? device so that when my modem picks up
the line and connects to a remote computer my daemon does something, then
when the modem puts down the line the daemon does something else?
last 'how do i' :)...
how do i get the PID of my program? Oh, found it... getpid() (quite amazingly :)
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