From 97ccd3d1b61f20cd681a82089e83c58f97438f1a Mon Sep 17 00:00:00 2001 From: Neil Brown Date: Mon, 19 Mar 2007 11:12:34 +1100 Subject: [PATCH] Work around svc_getreqset in glibc 3 Without this fix, mountd ignores sockets with filedescriptor > 31, so if there are more than about 26 concurrent connections, mountd starts spinning. --- utils/mountd/svc_run.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/utils/mountd/svc_run.c b/utils/mountd/svc_run.c index 7a8a595..422e839 100644 --- a/utils/mountd/svc_run.c +++ b/utils/mountd/svc_run.c @@ -57,6 +57,32 @@ void cache_set_fds(fd_set *fdset); int cache_process_req(fd_set *readfds); +#if LONG_MAX != INT_MAX +/* bug in glibc 2.3.6 and earlier, we need + * our own svc_getreqset + */ +static void +my_svc_getreqset (fd_set *readfds) +{ + fd_mask mask; + fd_mask *maskp; + int setsize; + int sock; + int bit; + + setsize = _rpc_dtablesize (); + if (setsize > FD_SETSIZE) + setsize = FD_SETSIZE; + maskp = readfds->fds_bits; + for (sock = 0; sock < setsize; sock += NFDBITS) + for (mask = *maskp++; + (bit = ffsl (mask)); + mask ^= (1L << (bit - 1))) + svc_getreq_common (sock + bit - 1); +} +#define svc_getreqset my_svc_getreqset + +#endif /* * The heart of the server. A crib from libc for the most part... -- 2.39.5