The following lists the service calls provided by the RI78V4 as the synchronization and communication functions (eventflags).

Table 12-11 Synchronization and Communication Functions (Eventflags)

Service Call	Function	Origin of Service Call
set_flg	Set eventflag.	Task, Non-task
iset_flg	Set eventflag.	Task, Non-task
clr_flg	Clear eventflag.	Task, Non-task
wai_flg	Wait for eventflag (waiting forever).	Task
pol_flg	Wait for eventflag (polling).	Task, Non-task
twai_flg	Wait for eventflag (with timeout).	Task
ref_flg	Reference eventflag state.	Task, Non-task