Function

ALSATimerget_real_time_clock_id

Declaration [src]

gboolean
alsatimer_get_real_time_clock_id (
  int* clock_id,
  GError** error
)

Description [src]

Get clock_id for real time. The clock_id governs real time retrieved by both alsatimer_real_time_event_get_time() and alsatimer_instance_status_get_time().

The call of function is just to refer to parameter of snd-timer kernel module. 0 means CLOCK_REALTIME is used. 1 means CLOCK_MONOTONIC is used.

The call of function executes open(2), read(2), close(2) system calls for the sysfs node corresponding to the parameter.

Parameters

`clock_id`	`int*`
	The clock_id for real time. The value of `CLOCK_XXX` in UAPI of Linux kernel.
	The argument will be set by the function.
`error`	`GError **`
	The return location for a `GError*`, or `NULL`.

Return value

Returns:	`gboolean`
	`TRUE` when the overall operation finishes successfully, else `FALSE`.