1 files changed, 18 insertions, 11 deletions

diff --git a/monitor_fdpass.c b/monitor_fdpass.c
index cab538bc9..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.
@@ -45,17 +45,16 @@ mm_send_fd(int sock, int fd)
 {
 #if defined(HAVE_SENDMSG) && (defined(HAVE_ACCRIGHTS_IN_MSGHDR) || defined(HAVE_CONTROL_IN_MSGHDR))
         struct msghdr msg;
-        struct iovec vec;
-        char ch = '\0';
-        ssize_t n;
 #ifndef HAVE_ACCRIGHTS_IN_MSGHDR
         union {
                 struct cmsghdr hdr;
-                char tmp[CMSG_SPACE(sizeof(int))];
                 char buf[CMSG_SPACE(sizeof(int))];
         } cmsgbuf;
         struct cmsghdr *cmsg;
 #endif
+        struct iovec vec;
+        char ch = '\0';
+        ssize_t n;
 
         memset(&msg, 0, sizeof(msg));
 #ifdef HAVE_ACCRIGHTS_IN_MSGHDR
@@ -76,7 +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;
@@ -99,10 +101,6 @@ mm_receive_fd(int sock)
 {
 #if defined(HAVE_RECVMSG) && (defined(HAVE_ACCRIGHTS_IN_MSGHDR) || defined(HAVE_CONTROL_IN_MSGHDR))
         struct msghdr msg;
-        struct iovec vec;
-        ssize_t n;
-        char ch;
-        int fd;
 #ifndef HAVE_ACCRIGHTS_IN_MSGHDR
         union {
                 struct cmsghdr hdr;
@@ -110,6 +108,10 @@ mm_receive_fd(int sock)
         } cmsgbuf;
         struct cmsghdr *cmsg;
 #endif
+        struct iovec vec;
+        ssize_t n;
+        char ch;
+        int fd;
 
         memset(&msg, 0, sizeof(msg));
         vec.iov_base = &ch;
@@ -124,10 +126,14 @@ 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;
         }
+
         if (n != 1) {
                 error("%s: recvmsg: expected received 1 got %ld",
                     __func__, (long)n);
@@ -145,6 +151,7 @@ mm_receive_fd(int sock)
                 error("%s: no message header", __func__);
                 return -1;
         }
+
 #ifndef BROKEN_CMSG_TYPE
         if (cmsg->cmsg_type != SCM_RIGHTS) {
                 error("%s: expected type %d got %d", __func__,