Warning
g_io_scheduler_cancel_all_jobs is deprecated and should not be used in newly-written code. You should never call this function, since you don't
know how other libraries in your program might be making use of
gioscheduler.
Cancels all cancellable I/O jobs.
A job is cancellable if a GCancellable was passed into
g_io_scheduler_push_job().
Warning g_io_scheduler_cancel_all_jobs is deprecated and should not be used in newly-written code. You should never call this function, since you don't know how other libraries in your program might be making use of gioscheduler. Cancels all cancellable I/O jobs. A job is cancellable if a GCancellable was passed into g_io_scheduler_push_job().