svn commit: r307791 - stable/11/usr.sbin/bhyve

[Baptiste Daroussin]

Author: bapt
Date: Sat Oct 22 20:49:44 2016
New Revision: 307791
URL: https://svnweb.freebsd.org/changeset/base/307791

Log:
  MFC r306554:
  
  Use accept4 with O_NONBLOCK rather than accept + fcntl

Modified:
  stable/11/usr.sbin/bhyve/dbgport.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/usr.sbin/bhyve/dbgport.c
==============================================================================
--- stable/11/usr.sbin/bhyve/dbgport.c	Sat Oct 22 20:49:07 2016	(r307790)
+++ stable/11/usr.sbin/bhyve/dbgport.c	Sat Oct 22 20:49:44 2016	(r307791)
@@ -73,10 +73,8 @@ again:
 			printf("Waiting for connection from gdb\r\n");
 			printonce = 1;
 		}
-		conn_fd = accept(listen_fd, NULL, NULL);
-		if (conn_fd >= 0)
-			fcntl(conn_fd, F_SETFL, O_NONBLOCK);
-		else if (errno != EINTR)
+		conn_fd = accept4(listen_fd, NULL, NULL, O_NONBLOCK);
+		if (conn_fd < 0 && errno != EINTR)
 			perror("accept");
 	}