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pollwakeup(9f)

pollwakeup(9F)                 Kernel Functions                 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 in Oracle Solaris 11.4

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



Oracle Solaris 11.4               16 Jan 2006                   pollwakeup(9F)
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