Алгоритми маршрутизації в мережах

LOGERR("sysctl(IPCTL_FORWARDING)");

if (!ipforwarding) {

if (supplier)

msglog("-s incompatible with ipforwarding=0");

if (default_gateway) {

msglog("-g incompatible with ipforwarding=0");

default_gateway = 0;

}

supplier = 0;

supplier_set = 1;

}

if (default_gateway) {if (supplier_set && !supplier) {

msglog("-g and -q incompatible");

} else {

supplier = 1;

supplier_set = 1;

}

}

signal(SIGALRM, sigalrm);

if (!background)

signal(SIGHUP, sigterm); /* SIGHUP fatal during debugging */

signal(SIGTERM, sigterm);

signal(SIGINT, sigterm);

signal(SIGUSR1, sigtrace_on);

signal(SIGUSR2, sigtrace_off);