diff options
Diffstat (limited to 'nuttx')
| -rw-r--r-- | nuttx/fs/vfs/fs_unlink.c | 20 | ||||
| -rw-r--r-- | nuttx/include/nuttx/fs/fs.h | 7 |
2 files changed, 24 insertions, 3 deletions
diff --git a/nuttx/fs/vfs/fs_unlink.c b/nuttx/fs/vfs/fs_unlink.c index 6a294196b..fae0b59b0 100644 --- a/nuttx/fs/vfs/fs_unlink.c +++ b/nuttx/fs/vfs/fs_unlink.c @@ -161,6 +161,26 @@ int unlink(FAR const char *pathname) goto errout_with_inode; } + /* Notify the character driver that it has been unlinked. If + * there are no open references to the driver instance, then the + * driver should clean release all resources because it is no + * longer accessible. + */ + + if (INODE_IS_DRIVER(inode) && inode->u.i_ops->unlink) + { + /* The value passed to the driver is the same value that was + * provided to register_driver(); + */ + + ret = inode->u.i_ops->unlink(inode->i_private); + if (ret < 0) + { + errcode = -ret; + goto errout_with_inode; + } + } + /* Remove the old inode. Because we hold a reference count on the * inode, it will not be deleted now. It will be deleted when all * of the references to to the inode have been released (perhaps diff --git a/nuttx/include/nuttx/fs/fs.h b/nuttx/include/nuttx/fs/fs.h index 20b318033..6a1c591ab 100644 --- a/nuttx/include/nuttx/fs/fs.h +++ b/nuttx/include/nuttx/fs/fs.h @@ -91,11 +91,13 @@ struct file_operations ssize_t (*write)(FAR struct file *filep, FAR const char *buffer, size_t buflen); off_t (*seek)(FAR struct file *filep, off_t offset, int whence); int (*ioctl)(FAR struct file *filep, int cmd, unsigned long arg); + + /* The two structures need not be common after this point */ + #ifndef CONFIG_DISABLE_POLL int (*poll)(FAR struct file *filep, struct pollfd *fds, bool setup); #endif - - /* The two structures need not be common after this point */ + int (*unlink)(FAR void *priv); }; /* This structure provides information about the state of a block driver */ @@ -234,7 +236,6 @@ union inode_ops_u #ifndef CONFIG_DISABLE_MQUEUE FAR struct mqueue_inode_s *i_mqueue; /* POSIX message queue */ #endif - }; /* This structure represents one inode in the Nuttx pseudo-file system */ |