Cancels all cancellable I/O jobs.
A job is cancellable if a #GCancellable was passed into g_io_scheduler_push_job().
Deprecated: You should never call this function, since you don't know how other libraries in your program might be making use of gioscheduler.
See Implementation
Cancels all cancellable I/O jobs.
A job is cancellable if a #GCancellable was passed into g_io_scheduler_push_job().