From 1d0dbc0da83968d9b2f21b9552151ca28fd392e5 Mon Sep 17 00:00:00 2001
From: Hirokazu Honda <hiroh@chromium.org>
Date: Thu, 10 Jun 2021 16:50:18 +0900
Subject: libcamera: base: file_descriptor: Add constructor from UniqueFD

Add a FileDescriptor constructor that takes a UniqueFD, transfering
ownership of the file descriptor to the FileDescriptor.

Signed-off-by: Hirokazu Honda <hiroh@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
---
 src/libcamera/base/file_descriptor.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'src')

diff --git a/src/libcamera/base/file_descriptor.cpp b/src/libcamera/base/file_descriptor.cpp
index 98d4b4bf..da696b25 100644
--- a/src/libcamera/base/file_descriptor.cpp
+++ b/src/libcamera/base/file_descriptor.cpp
@@ -13,6 +13,7 @@
 #include <utility>
 
 #include <libcamera/base/log.h>
+#include <libcamera/base/unique_fd.h>
 
 /**
  * \file base/file_descriptor.h
@@ -109,6 +110,18 @@ FileDescriptor::FileDescriptor(int &&fd)
 	fd = -1;
 }
 
+/**
+ * \brief Create a FileDescriptor taking ownership of a given UniqueFD \a fd
+ * \param[in] fd UniqueFD
+ *
+ * Construct a FileDescriptor from UniqueFD by taking ownership of the \a fd.
+ * The original \a fd becomes invalid.
+ */
+FileDescriptor::FileDescriptor(UniqueFD fd)
+	: FileDescriptor(fd.release())
+{
+}
+
 /**
  * \brief Copy constructor, create a FileDescriptor from a copy of \a other
  * \param[in] other The other FileDescriptor
-- 
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