Cancellable

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Object Hierarchy:

Description:

Content:

Static methods:

• public static weak Cancellable? get_current ()
  Gets the top cancellable from the stack.

Creation methods:

• public Cancellable ()
  Creates a new Cancellable object.

Methods:

• public void cancel ()
  Will set this to cancelled, and will emit the cancelled signal.
• public ulong connect (owned Func<Cancellable> callback)
  Convenience function to connect to the cancelled signal.
• public void disconnect (ulong handler_id)
  Disconnects a handler from a cancellable instance similar to disconnect.
• public int get_fd ()
  Gets the file descriptor for a cancellable job.
• public bool is_cancelled ()
  Checks if a cancellable job has been cancelled.
• public bool make_pollfd (PollFD pollfd)
  Creates a PollFD corresponding to this; this can be passed to g_poll and used to poll for cancellation.
• public void pop_current ()
  Pops this off the cancellable stack (verifying that this is on the top of the stack).
• public void push_current ()
  Pushes this onto the cancellable stack.
• public void release_fd ()
  Releases a resources previously allocated by get_fd or make_pollfd.
• public void reset ()
  Resets this to its uncancelled state.
• public bool set_error_if_cancelled () throws IOError
  If the this is cancelled, sets the error to notify that the operation was cancelled.
• public CancellableSource source_new ()
  Creates a source that triggers if this is cancelled and calls its callback of type CancellableSourceFunc .

Signals:

• public virtual signal void cancelled ()
  Emitted when the operation has been cancelled.

Inherited Members: