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authorBrent Cook <bcook@cvs.openbsd.org>2014-10-13 02:39:10 +0000
committerBrent Cook <bcook@cvs.openbsd.org>2014-10-13 02:39:10 +0000
commit14a0e6de88272b088e9c555f9dfebf338cfceade (patch)
treee2f09731b5281540c4296dba78afe9ffb9cf0988 /lib/libcrypto/bio/b_sock.c
parent6fbb20eb585c947850e2e7f85a8000bbb734755c (diff)
Use O_NONBLOCK over FIONBIO.
Prefer this because it is the POSIX standard and has consistent behavior across platforms. Use BIO_socket_nbio consistently across the tree. from Jonas 'Sortie' Termansen, ok deraadt@
Diffstat (limited to 'lib/libcrypto/bio/b_sock.c')
-rw-r--r--lib/libcrypto/bio/b_sock.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/libcrypto/bio/b_sock.c b/lib/libcrypto/bio/b_sock.c
index c095943e8b9..81c48a6e5c6 100644
--- a/lib/libcrypto/bio/b_sock.c
+++ b/lib/libcrypto/bio/b_sock.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: b_sock.c,v 1.56 2014/07/16 10:43:06 deraadt Exp $ */
+/* $OpenBSD: b_sock.c,v 1.57 2014/10/13 02:39:09 bcook Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@@ -65,6 +65,7 @@
#include <netinet/tcp.h>
#include <errno.h>
+#include <fcntl.h>
#include <limits.h>
#include <netdb.h>
#include <stdio.h>
@@ -459,5 +460,10 @@ BIO_set_tcp_ndelay(int s, int on)
int
BIO_socket_nbio(int s, int mode)
{
- return (BIO_socket_ioctl(s, FIONBIO, &mode) == 0);
+ int flags = fcntl(s, F_GETFD);
+ if (mode && !(flags & O_NONBLOCK))
+ return (fcntl(s, F_SETFL, flags | O_NONBLOCK) == 0);
+ else if (!mode && (flags & O_NONBLOCK))
+ return (fcntl(s, F_SETFL, flags & ~O_NONBLOCK) == 0);
+ return (1);
}