I've spent a little while trying to figure out why passfd stopped
working on my x86-64 system. As far as I can tell, it comes down to
random junk in the tmpbuf buffer which is only partially overwritten by
the file descriptor assignment. Zeroing out tmpbuf makes things work
again.
jon
--- scgi-1.10/scgi/passfd.c~ 2005-12-06 07:39:26.000000000 -0700
+++ scgi-1.10/scgi/passfd.c 2006-04-13 16:01:21.000000000 -0600
@@ -58,6 +58,7 @@ send_fd (int sockfd, int fd)
struct msghdr msg;
void* buf[1];
+ memset(tmpbuf, 0, CONTROLLEN);
iov[0].iov_base = buf;
iov[0].iov_len = 1;
msg.msg_iov = iov;
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