pollwakeup man page on SunOS

pollwakeup man page on SunOS

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pollwakeup(9F)		 Kernel Functions for Drivers		pollwakeup(9F)

NAME
       pollwakeup - inform a process that an event has occurred

SYNOPSIS
       #include <sys/poll.h>

       void pollwakeup(struct pollhead *php, short event);

INTERFACE LEVEL
       Architecture independent level 1 (DDI/DKI).

PARAMETERS
       php	Pointer to a pollhead structure.

       event	Event to notify the process about.

DESCRIPTION
       The  pollwakeup() function wakes a process waiting on the occurrence of
       an event. It should be called from a driver for each occurrence	of  an
       event.  The  pollhead  structure	 will  usually	be associated with the
       driver's private data structure associated with	the  particular	 minor
       device  where  the  event  has occurred. See chpoll(9E) and poll(2) for
       more detail.

CONTEXT
       The pollwakeup() function can be called from user, interrupt, or kernel
       context.

SEE ALSO
       poll(2), chpoll(9E)

       Writing Device Drivers

NOTES
       Driver defined locks should not be held across calls to this function.

SunOS 5.10			  16 Jan 2006			pollwakeup(9F)

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