Method

ALSASeqUserClientoperate_subscription

Declaration [src]

gboolean
alsaseq_user_client_operate_subscription (
  ALSASeqUserClient* self,
  ALSASeqSubscribeData* subs_data,
  gboolean establish,
  GError** error
)

Description [src]

Operate subscription between two ports pointed by the data.

The call of function executes ioctl(2) system call with SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT and SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT commands for ALSA sequencer character device.

Parameters

`subs_data`	`ALSASeqSubscribeData`
	A `ALSASeqSubscribeData`.
	The data is owned by the caller of the function.
`establish`	`gboolean`
	Whether to establish subscription between two ports, or break it.
`error`	`GError **`
	The return location for a `GError*`, or `NULL`.

Return value

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