16.2.7 Extended synchronization and communication functions (mutexes)

The following shows the service calls provided by the RI850V4 as the extended synchronization and communication functions (mutexes).

Table 16-7 Extended Synchronization and Communication Functions (Mutexes)

Service Call	Function	Origin of Service Call
loc_mtx	Lock mutex (waiting forever)	Task
ploc_mtx	Lock mutex (polling)	Task
tloc_mtx	Lock mutex (with timeout)	Task
unl_mtx	Unlock mutex	Task
ref_mtx	Reference mutex state	Task, Non-task, Initialization routine
iref_mtx	Reference mutex state	Task, Non-task, Initialization routine