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().
As the name suggests, this function is not available on Windows.
Since 2.36
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(). As the name suggests, this function is not available on Windows. Since 2.36