diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2024-07-31 01:59:54 +0300 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2024-08-01 01:20:10 +0300 |
| commit | a7a589df15f4ba3d6642aa8ae031a9b3ed0f5a1f (patch) | |
| tree | d2b7918c8230b289c2965684bfae28f1863fa320 /include | |
| parent | 98b01768397f982bd177b55e9bc67002b645b4d0 (diff) | |
libcamera: base: Add MemFd helper class
libcamera creates memfds in two locations already, duplicating some
code. Move the code to a new MemFd helper class.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Tested-by: Milan Zamazal <mzamazal@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/libcamera/base/memfd.h | 34 | ||||
| -rw-r--r-- | include/libcamera/base/meson.build | 1 |
2 files changed, 35 insertions, 0 deletions
diff --git a/include/libcamera/base/memfd.h b/include/libcamera/base/memfd.h new file mode 100644 index 00000000..b0edd2de --- /dev/null +++ b/include/libcamera/base/memfd.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2024, Ideas on Board Oy + * + * Anonymous file creation + */ + +#pragma once + +#include <stddef.h> + +#include <libcamera/base/flags.h> +#include <libcamera/base/unique_fd.h> + +namespace libcamera { + +class MemFd +{ +public: + enum class Seal { + None = 0, + Shrink = (1 << 0), + Grow = (1 << 1), + }; + + using Seals = Flags<Seal>; + + static UniqueFD create(const char *name, std::size_t size, + Seals seals = Seal::None); +}; + +LIBCAMERA_FLAGS_ENABLE_OPERATORS(MemFd::Seal) + +} /* namespace libcamera */ diff --git a/include/libcamera/base/meson.build b/include/libcamera/base/meson.build index bace25d5..2a0cee31 100644 --- a/include/libcamera/base/meson.build +++ b/include/libcamera/base/meson.build @@ -21,6 +21,7 @@ libcamera_base_private_headers = files([ 'event_notifier.h', 'file.h', 'log.h', + 'memfd.h', 'message.h', 'mutex.h', 'private.h', |