- dtucker@cvs.openbsd.org 2008/11/30 11:59:26

     [monitor_fdpass.c]
     Retry sendmsg/recvmsg on EAGAIN and EINTR; ok djm@

1 files changed, 9 insertions, 3 deletions

diff --git a/monitor_fdpass.c b/monitor_fdpass.c
index f68c3728a..4b9a066bc 100644
--- a/monitor_fdpass.c
+++ b/monitor_fdpass.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: monitor_fdpass.c,v 1.17 2008/03/24 16:11:07 deraadt Exp $ */
+/* $OpenBSD: monitor_fdpass.c,v 1.18 2008/11/30 11:59:26 dtucker Exp $ */
 /*
  * Copyright 2001 Niels Provos <provos@citi.umich.edu>
  * All rights reserved.
@@ -75,7 +75,10 @@ mm_send_fd(int sock, int fd)
         msg.msg_iov = &vec;
         msg.msg_iovlen = 1;
 
-        if ((n = sendmsg(sock, &msg, 0)) == -1) {
+        while ((n = sendmsg(sock, &msg, 0)) == -1 && (errno == EAGAIN ||
+            errno == EINTR))
+                debug3("%s: sendmsg(%d): %s", __func__, fd, strerror(errno));
+        if (n == -1) {
                 error("%s: sendmsg(%d): %s", __func__, fd,
                     strerror(errno));
                 return -1;
@@ -123,7 +126,10 @@ mm_receive_fd(int sock)
         msg.msg_controllen = sizeof(cmsgbuf.buf);
 #endif
 
-        if ((n = recvmsg(sock, &msg, 0)) == -1) {
+        while ((n = recvmsg(sock, &msg, 0)) == -1 && (errno == EAGAIN ||
+            errno == EINTR))
+                debug3("%s: recvmsg: %s", __func__, strerror(errno));
+        if (n == -1) {
                 error("%s: recvmsg: %s", __func__, strerror(errno));
                 return -1;
         }