diff options
| -rw-r--r-- | pflocal/io.c | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/pflocal/io.c b/pflocal/io.c index 7cfa64e1..fcbce170 100644 --- a/pflocal/io.c +++ b/pflocal/io.c @@ -294,6 +294,8 @@ error_t S_io_stat (struct sock_user *user, struct stat *st) { struct sock *sock; + struct pipe *rpipe, *wpipe; + void copy_time (time_value_t *from, time_t *to_sec, unsigned long *to_usec) { *to_sec = from->seconds; @@ -310,18 +312,33 @@ S_io_stat (struct sock_user *user, struct stat *st) st->st_fstype = FSTYPE_SOCKET; st->st_fsid = getpid (); st->st_ino = sock->id; - - st->st_blksize = vm_page_size * 8; + /* As we try to be clever with large transfers, ask for them. */ + st->st_blksize = vm_page_size * 16; debug (sock, "lock"); mutex_lock (&sock->lock); /* Make sure the pipes don't go away... */ - if (sock->read_pipe) - copy_time (&sock->read_pipe->read_time, &st->st_atime, &st->st_atime_usec); - if (sock->write_pipe) - copy_time (&sock->read_pipe->write_time, &st->st_mtime, &st->st_mtime_usec); + rpipe = sock->read_pipe; + wpipe = sock->write_pipe; + + mutex_lock (&rpipe->lock); + copy_time (&rpipe->read_time, &st->st_atime, &st->st_atime_usec); + /* This seems useful. */ + st->st_size = pipe_readable (rpipe, 1); + mutex_unlock (&rpipe->lock); + + if (wpipe) + { + mutex_lock (&wpipe->lock); + copy_time (&wpipe->write_time, &st->st_mtime, &st->st_mtime_usec); + mutex_unlock (&wpipe->lock); + } + copy_time (&sock->change_time, &st->st_ctime, &st->st_ctime_usec); + /* When RPIPE == WPIPE, it *is* a fifo; also the fifo server uses sockets. */ + st->st_mode = (wpipe == rpipe ? S_IFIFO : S_IFSOCK); + debug (sock, "unlock"); mutex_unlock (&sock->lock); |