-/* Close stdin/stdout/stderr and replace with /dev/null */
-static int close_stdio(void) {
- int fd;
-
- if ((fd = open("/dev/null", O_RDWR)) == -1)
- return -1;
-
- if (dup2(fd, 0) == -1 || dup2(fd, 1) == -1 || dup2(fd, 2) == -1)
- return -1;
-
- close(fd);
- return 0;
-}
-