diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/libcamera/file_descriptor.h | 47 | ||||
| -rw-r--r-- | include/libcamera/meson.build | 1 |
2 files changed, 48 insertions, 0 deletions
diff --git a/include/libcamera/file_descriptor.h b/include/libcamera/file_descriptor.h new file mode 100644 index 00000000..8612f865 --- /dev/null +++ b/include/libcamera/file_descriptor.h @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2019, Google Inc. + * + * file_descriptor.h - File descriptor wrapper + */ +#ifndef __LIBCAMERA_FILE_DESCRIPTOR_H__ +#define __LIBCAMERA_FILE_DESCRIPTOR_H__ + +#include <memory> + +namespace libcamera { + +class FileDescriptor final +{ +public: + explicit FileDescriptor(int fd = -1); + FileDescriptor(const FileDescriptor &other); + FileDescriptor(FileDescriptor &&other); + ~FileDescriptor(); + + FileDescriptor &operator=(const FileDescriptor &other); + FileDescriptor &operator=(FileDescriptor &&other); + + bool isValid() const { return fd_ != nullptr; } + int fd() const { return fd_ ? fd_->fd() : -1; } + FileDescriptor dup() const; + +private: + class Descriptor + { + public: + Descriptor(int fd); + ~Descriptor(); + + int fd() const { return fd_; } + + private: + int fd_; + }; + + std::shared_ptr<Descriptor> fd_; +}; + +} /* namespace libcamera */ + +#endif /* __LIBCAMERA_FILE_DESCRIPTOR_H__ */ diff --git a/include/libcamera/meson.build b/include/libcamera/meson.build index 99abf060..543e6773 100644 --- a/include/libcamera/meson.build +++ b/include/libcamera/meson.build @@ -6,6 +6,7 @@ libcamera_api = files([ 'controls.h', 'event_dispatcher.h', 'event_notifier.h', + 'file_descriptor.h', 'geometry.h', 'logging.h', 'object.h', |