diff options
| -rw-r--r-- | include/io/channel.h | 1 | ||||
| -rw-r--r-- | io/channel-file.c | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/include/io/channel.h b/include/io/channel.h index 5f9dbaab65..fcb19fd672 100644 --- a/include/io/channel.h +++ b/include/io/channel.h @@ -44,6 +44,7 @@ enum QIOChannelFeature { QIO_CHANNEL_FEATURE_LISTEN, QIO_CHANNEL_FEATURE_WRITE_ZERO_COPY, QIO_CHANNEL_FEATURE_READ_MSG_PEEK, + QIO_CHANNEL_FEATURE_SEEKABLE, }; diff --git a/io/channel-file.c b/io/channel-file.c index 4a12c61886..f91bf6db1c 100644 --- a/io/channel-file.c +++ b/io/channel-file.c @@ -36,6 +36,10 @@ qio_channel_file_new_fd(int fd) ioc->fd = fd; + if (lseek(fd, 0, SEEK_CUR) != (off_t)-1) { + qio_channel_set_feature(QIO_CHANNEL(ioc), QIO_CHANNEL_FEATURE_SEEKABLE); + } + trace_qio_channel_file_new_fd(ioc, fd); return ioc; @@ -60,6 +64,10 @@ qio_channel_file_new_path(const char *path, return NULL; } + if (lseek(ioc->fd, 0, SEEK_CUR) != (off_t)-1) { + qio_channel_set_feature(QIO_CHANNEL(ioc), QIO_CHANNEL_FEATURE_SEEKABLE); + } + trace_qio_channel_file_new_path(ioc, path, flags, mode, ioc->fd); return ioc; |