X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fsrc%2Fdaemon.c;h=bc33aec45619dc9a13acb9393c74c0d041225928;hb=7495ef81389e682f08d57d40df1b7e852d4cdcc8;hp=35e61dbfde9e9086946914e5bd44dc4feed93670;hpb=a23ff3b4ab81658d0c8107ab01a518e6ca06bd6e;p=user%2Fhenk%2Fcode%2Fexim.git

diff --git a/src/src/daemon.c b/src/src/daemon.c
index 35e61dbfd..bc33aec45 100644
--- a/src/src/daemon.c
+++ b/src/src/daemon.c
@@ -520,12 +520,13 @@ if (pid == 0)
       {
       if (smtp_out)
 	{
-	int i;
+	int i, fd = fileno(smtp_in);
 	uschar buf[128];
 
 	mac_smtp_fflush();
 	/* drain socket, for clean TCP FINs */
-	for(i = 16; read(fileno(smtp_in), buf, sizeof(buf)) > 0 && i > 0; ) i--;
+	if (fcntl(fd, F_SETFL, O_NONBLOCK) == 0)
+	  for(i = 16; read(fd, buf, sizeof(buf)) > 0 && i > 0; ) i--;
 	}
       search_tidyup();
       smtp_log_no_mail();                 /* Log no mail if configured */