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v4l2: Set O_CLOEXEC on the device fd

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This is needed to make sure that child processes don't inherit the video
device fd which can cause problems with some drivers.
This commit is contained in:
Arun Raghavan 2015-11-03 22:01:07 +05:30
parent 9fee2c7c9f
commit 7b17615da8
1 changed files with 6 additions and 1 deletions
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7
sys/v4l2/gstv4l2.c
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@ -25,6 +25,10 @@
#include "config.h"
#endif
#ifndef _GNU_SOURCE
# define _GNU_SOURCE /* O_CLOEXEC */
#endif
#include "gst/gst-i18n-plugin.h"
#include <gst/gst.h>
@ -124,7 +128,8 @@ gst_v4l2_probe_and_register (GstPlugin * plugin)
if (video_fd >= 0)
close (video_fd);
video_fd = open (it->device_path, O_RDWR);
video_fd = open (it->device_path, O_RDWR | O_CLOEXEC);
if (video_fd == -1) {
GST_DEBUG ("Failed to open %s: %s", it->device_path, g_strerror (errno));
continue;