18.2.5 Synchronization and communication functions (data queues)

The following shows the service calls provided by the RI600V4 as the synchronization and communication functions (data queues).

Table 18-7 Synchronization and Communication Functions (Data Queues)

Service Call	Function	Useful Range
snd_dtq	Send to data queue (waiting forever)	Task
psnd_dtq	Send to data queue (polling)	Task
ipsnd_dtq	Send to data queue (polling)	Non-task
tsnd_dtq	Send to data queue (with time-out)	Task
fsnd_dtq	Forced send to data queue	Task
ifsnd_dtq	Forced send to data queue	Non-task
rcv_dtq	Receive from data queue (waiting forever)	Task
prcv_dtq	Receive from data queue (polling)	Task
iprcv_dtq	Receive from data queue (polling)	Non-task
trcv_dtq	Receive from data queue (with time-out)	Task
ref_dtq	Reference data queue state	Task
iref_dtq	Reference data queue state	Non-task