Blame SOURCES/libtirpc-1.1.4-fix-EOF-non-block.patch

ffb308
diff -up libtirpc-1.1.4/src/svc_vc.c.orig libtirpc-1.1.4/src/svc_vc.c
ffb308
--- libtirpc-1.1.4/src/svc_vc.c.orig	2018-08-27 10:06:49.000000000 -0400
ffb308
+++ libtirpc-1.1.4/src/svc_vc.c	2019-07-24 11:51:32.191485387 -0400
ffb308
@@ -502,9 +502,14 @@ read_vc(xprtp, buf, len)
ffb308
 	cfp = (struct cf_conn *)xprt->xp_p1;
ffb308
 
ffb308
 	if (cfp->nonblock) {
ffb308
+		/* Since len == 0 is returned on zero length
ffb308
+		 * read or EOF errno needs to be reset before
ffb308
+		 * the read
ffb308
+		 */
ffb308
+		errno = 0;
ffb308
 		len = read(sock, buf, (size_t)len);
ffb308
 		if (len < 0) {
ffb308
-			if (errno == EAGAIN)
ffb308
+			if (errno == EAGAIN || errno == EWOULDBLOCK)
ffb308
 				len = 0;
ffb308
 			else
ffb308
 				goto fatal_err;
ffb308
diff -up libtirpc-1.1.4/src/xdr_rec.c.orig libtirpc-1.1.4/src/xdr_rec.c
ffb308
--- libtirpc-1.1.4/src/xdr_rec.c.orig	2018-08-27 10:06:49.000000000 -0400
ffb308
+++ libtirpc-1.1.4/src/xdr_rec.c	2019-07-24 11:51:32.191485387 -0400
ffb308
@@ -61,6 +61,7 @@
ffb308
 #include <rpc/svc.h>
ffb308
 #include <rpc/clnt.h>
ffb308
 #include <stddef.h>
ffb308
+#include <errno.h>
ffb308
 #include "rpc_com.h"
ffb308
 static bool_t	xdrrec_getlong(XDR *, long *);
ffb308
 static bool_t	xdrrec_putlong(XDR *, const long *);
ffb308
@@ -537,7 +538,13 @@ __xdrrec_getrec(xdrs, statp, expectdata)
ffb308
 		n = rstrm->readit(rstrm->tcp_handle, rstrm->in_hdrp,
ffb308
 		    (int)sizeof (rstrm->in_header) - rstrm->in_hdrlen);
ffb308
 		if (n == 0) {
ffb308
-			*statp = expectdata ? XPRT_DIED : XPRT_IDLE;
ffb308
+			/* EAGAIN or EWOULDBLOCK means a zero length
ffb308
+			 * read not an EOF.
ffb308
+			 */
ffb308
+			if (errno == EAGAIN || errno == EWOULDBLOCK)
ffb308
+				*statp = XPRT_IDLE;
ffb308
+			else
ffb308
+				*statp = expectdata ? XPRT_DIED : XPRT_IDLE;
ffb308
 			return FALSE;
ffb308
 		}
ffb308
 		if (n < 0) {
ffb308
@@ -564,6 +571,7 @@ __xdrrec_getrec(xdrs, statp, expectdata)
ffb308
 			rstrm->in_header &= ~LAST_FRAG;
ffb308
 			rstrm->last_frag = TRUE;
ffb308
 		}
ffb308
+		rstrm->in_haveheader = 1;
ffb308
 	}
ffb308
 
ffb308
 	n =  rstrm->readit(rstrm->tcp_handle,
ffb308
@@ -576,7 +584,13 @@ __xdrrec_getrec(xdrs, statp, expectdata)
ffb308
 	}
ffb308
 
ffb308
 	if (n == 0) {
ffb308
-		*statp = expectdata ? XPRT_DIED : XPRT_IDLE;
ffb308
+		/* EAGAIN or EWOULDBLOCK means a zero length
ffb308
+		 * read not an EOF.
ffb308
+		 */
ffb308
+		if (errno == EAGAIN || errno == EWOULDBLOCK)
ffb308
+			*statp = XPRT_IDLE;
ffb308
+		else
ffb308
+			*statp = expectdata ? XPRT_DIED : XPRT_IDLE;
ffb308
 		return FALSE;
ffb308
 	}
ffb308