HP UX 11i v1 I/O Cards manual 210

ZCOM C I/F Library Routines

ZEVENT_RCVR (3X)

Threads	This routine may be called from multi-threaded application using the
Considerations	POSIX (1003.1c) kernel threads API package. This routine has the
	following characteristics when called by a multi-threaded application:

cancellation point	Thread cancellation can occur when a thread calls
	this routine.
async-cancel unsafe	The calling thread’s cancelability type must be
	PTHREAD_CANCEL_DEFERRED if cancellation
	is enabled.
async-signal unsafe	It cannot be called from a signal handler.
fork unsafe	It cannot be called by a child process after fork(2)
	but before exec(2).
PARAMETERS

rzap ZCOM address of the receiver program (required).

action Type of action to perform (required).

ZcDELETE_EVENT - Remove the linkage for the indicated event classes. That is, those event classes will no longer be delivered to the program queue specified by the rzap parameter. Events that have already been queued prior to this call are not deleted.

ZcADD_EVENT - Incrementally add the event classes indicated by the eclass parameter to the list of events delivered to the program (specified by the rzap parameter).

ZcREPLACE_EVENT - Atomically replace any previously specified event classes with new event classes specified by the eclass and einfop parameters.

210 Chapter 4