implement ff_socket_nonblock and use it in networking code

Originally committed as revision 8846 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 8 insertions, 0 deletions

diff --git a/libavformat/os_support.c b/libavformat/os_support.c
index da303be49c..abee749aac 100644
--- a/libavformat/os_support.c
+++ b/libavformat/os_support.c
@@ -114,6 +114,14 @@ int resolve_host(struct in_addr *sin_addr, const char *hostname)
     }
     return 0;
 }
+
+int ff_socket_nonblock(int socket, int enable)
+{
+   if (enable)
+      return fcntl(socket, F_SETFL, fcntl(socket, F_GETFL) | O_NONBLOCK);
+   else
+      return fcntl(socket, F_SETFL, fcntl(socket, F_GETFL) & ~O_NONBLOCK);
+}
 #endif /* CONFIG_NETWORK */
 
 #ifdef CONFIG_FFSERVER