Commit f9d18931 authored by Mike Hibler's avatar Mike Hibler
Browse files

Add a retry to gethostbyname call if it returns TRY_AGAIN.

There seem to be some issues when booting lots of Moonshots.
parent 69618b7a
......@@ -83,7 +83,7 @@ main(int argc, char **argv)
char buf[BUFSIZ], ipaddr[32];
char hostname[MAXHOSTNAMELEN];
struct hostent *he;
int c;
int c, retries;
struct in_addr myip;
FILE *fp;
......@@ -136,9 +136,21 @@ main(int argc, char **argv)
if (gethostname(hostname, MAXHOSTNAMELEN) == -1) {
fatal("could not get hostname: %s\n", strerror(errno));
if (! (he = gethostbyname(hostname))) {
fatal("could not get IP address from hostname: %s", hostname);
retries = 2;
while (retries-- > 0) {
if (! (he = gethostbyname(hostname))) {
if (h_errno == TRY_AGAIN) {
warning("could not resolve '%s', trying again...\n",
if (!he)
fatal("could not get IP address for hostname %s, errno=%d",
hostname, h_errno);
memcpy((char *)&myip, he->h_addr, he->h_length);
strcpy(ipaddr, inet_ntoa(myip));
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