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The following shows the service calls provided by the RI600PX as the extended synchronization and communication functions (mutexes).

Table 19-12 Extended Synchronization and Communication Functions (Mutexes)


Service Call	Function	Useful Range
cre_mtx	Create mutex	Task
acre_mtx	Create mutex (automatic ID assignment)	Task
del_mtx	Delete mutex	Task
loc_mtx	Lock mutex (waiting forever)	Task
ploc_mtx	Lock mutex (polling)	Task
tloc_mtx	Lock mutex (with time-out)	Task
unl_mtx	Unlock mutex	Task
ref_mtx	Reference mutex state	Task