18.2.8 Extended synchronization and communication functions (message buffers)

The following shows the service calls provided by the RI600V4 as the extended synchronization and communication functions (message buffers).

Table 18-10 Extended Synchronization and Communication Functions (Message Buffers)

Service Call	Function	Useful Range
snd_mbf	Send to message buffer (waiting forever)	Task
psnd_mbf	Send to message buffer (polling)	Task
ipsnd_mbf	Send to message buffer (polling)	Non-task
tsnd_mbf	Send to message buffer (with time-out)	Task
rcv_mbf	Receive from message buffer (waiting forever)	Task
prcv_mbf	Receive from message buffer (polling)	Task
trcv_mbf	Receive from message buffer (with time-out)	Task
ref_mbf	Reference message buffer state	Task
iref_mbf	Reference message buffer state	Non-task