diff options
Diffstat (limited to 'src/libcamera/file_descriptor.cpp')
| -rw-r--r-- | src/libcamera/file_descriptor.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/libcamera/file_descriptor.cpp b/src/libcamera/file_descriptor.cpp index 9f9ebc81..0409c3e1 100644 --- a/src/libcamera/file_descriptor.cpp +++ b/src/libcamera/file_descriptor.cpp @@ -8,6 +8,8 @@ #include <libcamera/file_descriptor.h> #include <string.h> +#include <sys/stat.h> +#include <sys/types.h> #include <unistd.h> #include <utility> @@ -221,6 +223,30 @@ FileDescriptor FileDescriptor::dup() const return FileDescriptor(fd()); } +/** + * \brief Retrieve the file descriptor inode + * + * \todo Should this move to the File class ? + * + * \return The file descriptor inode on success, or 0 on error + */ +ino_t FileDescriptor::inode() const +{ + if (!isValid()) + return 0; + + struct stat st; + int ret = fstat(fd_->fd(), &st); + if (ret < 0) { + ret = -errno; + LOG(FileDescriptor, Fatal) + << "Failed to fstat() fd: " << strerror(-ret); + return 0; + } + + return st.st_ino; +} + FileDescriptor::Descriptor::Descriptor(int fd, bool duplicate) { if (!duplicate) { |