X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/3bd31c400d7cb546c5583fbee8d998e232eef5c2..107077d7fd6736711bf5cd980221723401d37c51:/src/src/ip.c

diff --git a/src/src/ip.c b/src/src/ip.c
index 96a6c29f2..d5343e005 100644
--- a/src/src/ip.c
+++ b/src/src/ip.c
@@ -2,9 +2,10 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
+/* Copyright (c) The Exim Maintainers 2020 - 2023 */
 /* Copyright (c) University of Cambridge 1995 - 2018 */
-/* Copyright (c) The Exim Maintainers 2020 */
 /* See the file NOTICE for conditions of use and distribution. */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 /* Functions for doing things with sockets. With the advent of IPv6 this has
 got messier, so that it's worth pulling out the code into separate functions
@@ -160,7 +161,10 @@ ip_bind(int sock, int af, uschar *address, int port)
 {
 union sockaddr_46 sin;
 int s_len = ip_addr(&sin, af, address, port);
-return bind(sock, (struct sockaddr *)&sin, s_len);
+int rc = bind(sock, (struct sockaddr *)&sin, s_len);
+if (rc < 0)
+  log_write(0, LOG_MAIN, "bind of [%s]:%d failed", address, port);
+return rc;
 }
 
 
@@ -589,9 +593,7 @@ Returns:      TRUE => ready for i/o
 BOOL
 fd_ready(int fd, time_t timelimit)
 {
-fd_set select_inset;
-int time_left = timelimit - time(NULL);
-int rc;
+int rc, time_left = timelimit - time(NULL);
 
 if (time_left <= 0)
   {
@@ -602,12 +604,8 @@ if (time_left <= 0)
 
 do
   {
-  struct timeval tv = { .tv_sec = time_left, .tv_usec = 0 };
-  FD_ZERO (&select_inset);
-  FD_SET (fd, &select_inset);
-
   /*DEBUG(D_transport) debug_printf("waiting for data on fd\n");*/
-  rc = select(fd + 1, (SELECT_ARG2_TYPE *)&select_inset, NULL, NULL, &tv);
+  rc = poll_one_fd(fd, POLLIN, time_left * 1000);
 
   /* If some interrupt arrived, just retry. We presume this to be rare,
   but it can happen (e.g. the SIGUSR1 signal sent by exiwhat causes
@@ -636,7 +634,7 @@ do
   /* Checking the FD_ISSET is not enough, if we're interrupted, the
   select_inset may still contain the 'input'. */
   }
-while (rc < 0 || !FD_ISSET(fd, &select_inset));
+while (rc < 0);
 return TRUE;
 }