SVR5
pollwakeup(D3)
pollwakeup --
inform polling processes that an event has occurred
Synopsis (Not in current DDI version)
#include <sys/poll.h>
#include <sys/ddi.h>
void pollwakeup(struct pollhead *php, short event);
Description
The pollwakeup function provides non-STREAMS character drivers
with a way to notify processes polling for the
occurrence of an event.
Arguments
php-
Pointer to a pollhead structure.
event-
Event to notify the process about.
Return values
None
Usage
pollwakeup should be called from the driver for each
occurrence of an event.
Events are described in
chpoll(D2).
The pollhead structure will usually
be associated with the driver's private data structure for
the particular minor device where the event has occurred.
pollwakeup should only be called with one event at a time.
Context and synchronization
Non-blockable, interrupt, user, or blockable
context.
Hardware applicability
All
Version applicability
ddi:
1, 2, 3, 4, 5, 5mp, 6, 6mp, 7, 7mp, 7.1, 7.1mp
References
chpoll(D2),
poll
19 June 2005
© 2005 The SCO Group, Inc. All rights reserved.
OpenServer 6 and UnixWare (SVR5) HDK - June 2005