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libcamera: base: file_descriptor: Add constructor from UniqueFD

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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>
This commit is contained in:
Hirokazu Honda 2021-06-10 16:50:18 +09:00 • committed by Laurent Pinchart
parent 779f70c747
commit 1d0dbc0da8
2 changed files with 16 additions and 0 deletions
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13
src/libcamera/base/file_descriptor.cpp
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@ -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