==4304== Syscall param sigaction(act) contains uninitialised or unaddressable byte(s)
==4304== at 0x804A37B: (within /sbin/udevd)
==4304== Address 0x52BFE7FC is on thread 1's stack
dbg("error fcntl on write pipe: %s", strerror(errno));
/* set signal handlers */
+ memset(&act, 0x00, sizeof(struct sigaction));
act.sa_handler = (void (*) (int))sig_handler;
sigemptyset(&act.sa_mask);
act.sa_flags = SA_RESTART;