intel: export fd_set_cloexec / fd_set_nonblock

Allow fd_set_cloexec / fd_set_nonblock to be used outside of intel_device.c.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>

1 files changed, 69 insertions, 0 deletions

diff --git a/src/fd.c b/src/fd.c
new file mode 100644
index 00000000..9e1fb6c4
--- /dev/null
+++ b/src/fd.c
@@ -0,0 +1,69 @@
+/***************************************************************************
+
+ Copyright 2013 Intel Corporation.  All Rights Reserved.
+
+ Permission is hereby granted, free of charge, to any person obtaining a
+ copy of this software and associated documentation files (the
+ "Software"), to deal in the Software without restriction, including
+ without limitation the rights to use, copy, modify, merge, publish,
+ distribute, sub license, and/or sell copies of the Software, and to
+ permit persons to whom the Software is furnished to do so, subject to
+ the following conditions:
+
+ The above copyright notice and this permission notice (including the
+ next paragraph) shall be included in all copies or substantial portions
+ of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ IN NO EVENT SHALL INTEL, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
+ THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+ **************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "fd.h"
+
+int fd_set_cloexec(int fd)
+{
+	int flags;
+
+	if (fd == -1)
+		return fd;
+
+#ifdef FD_CLOEXEC
+	flags = fcntl(fd, F_GETFD);
+	if (flags != -1) {
+		flags |= FD_CLOEXEC;
+		fcntl(fd, F_SETFD, flags);
+	}
+#endif
+
+	return fd;
+}
+
+int fd_set_nonblock(int fd)
+{
+	int flags;
+
+	if (fd == -1)
+		return fd;
+
+	flags = fcntl(fd, F_GETFL);
+	if (flags != -1) {
+		flags |= O_NONBLOCK;
+		fcntl(fd, F_SETFL, flags);
+	}
+
+	return fd;
+}
+