Updates the event mask to watch for the fd identified by @tag.
@tag is the tag returned from g_source_add_unix_fd().
If you want to remove a fd, don't set its event mask to zero. Instead, call g_source_remove_unix_fd().
This API is only intended to be used by implementations of #GSource. Do not call this API on a #GSource that you did not create.
As the name suggests, this function is not available on Windows.
the tag from g_source_add_unix_fd()
the new event mask to watch
2.36
See Implementation
Updates the event mask to watch for the fd identified by @tag.
@tag is the tag returned from g_source_add_unix_fd().
If you want to remove a fd, don't set its event mask to zero. Instead, call g_source_remove_unix_fd().
This API is only intended to be used by implementations of #GSource. Do not call this API on a #GSource that you did not create.
As the name suggests, this function is not available on Windows.