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#include "util.ih"
void Util::processControlOptions()
{
Arg &arg = Arg::instance();
string value;
// options for other stealth processes
if (arg.option(&value, "rerun"))
signalStealth(SIGHUP, "SIGHUP", value); // exits
if (arg.option(&value, "terminate"))
signalStealth(SIGTERM, "SIGTERM", value); // exits
if (arg.option(&value, "suppress"))
lock(value); // lock locally, let the
// integrity wait, exits
if (arg.option(&value, "resume"))
signalStealth(SIGUSR2, "SIGUSR2", value); // exits
if (arg.option('v'))
showVersion(); // exits
if
(
!arg.nArgs() // provide usage if no arguments
|| // were received
arg.option(0, "usage")
||
arg.option(0, "help")
)
usage(); // exits
// options for this process:
s_keepAlive = arg.option(&value, "keep-alive");
if (s_keepAlive)
{
s_repeatInterval = INT_MAX;
s_runFilename = value;
}
if (arg.option(&value, "repeat"))
{
if (!s_keepAlive)
exit("--repeat requires --keep-interval");
s_keepAlive = true;
istringstream in(value);
if (!(in >> s_repeatInterval)) // value 0: wait indefinite
exit("--repeat requires <seconds> until next run");
if (s_repeatInterval < s_shortestRepeatInterval)
{
cerr << "`--repeat " << s_repeatInterval <<
"' changed to: `--repeat " << s_shortestRepeatInterval <<
"'\n";
s_repeatInterval = s_shortestRepeatInterval;
}
else if (s_repeatInterval > INT_MAX)
s_repeatInterval = INT_MAX;
}
randomDelay(); // determine any random delay
}
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