rmalloc_wait(D3) rmalloc_wait(D3)
NAME
rmalloc_wait - allocate space from a private space management
map
SYNOPSIS
#include <sys/types.h>
#include <sys/map.h>
#include <sys/ddi.h>
ulong_t rmalloc_wait(struct map *mp, size_t size);
Arguments
mp Pointer to map to resource map.
size Number of units to allocate.
DESCRIPTION
rmalloc_wait allocates space from a private map previously
allocated using rmallocmap(D3).
Return Values
rmalloc_wait returns the base of the allocated space.
USAGE
rmalloc_wait is identical to rmalloc(D3), except that a call
to rmalloc_wait will sleep (uninterruptible by signals), if
necessary, until space becomes available.
Space allocated using rmalloc_wait may be returned to the map
using rmfree(D3).
Level
Base only.
Synchronization Constraints
May sleep.
Driver-defined basic locks and read/write locks may not be
held across calls to this function.
Driver-defined sleep locks may be held across calls to this
function, but the driver writer must be cautious to avoid
deadlock between the process holding the lock and trying to
acquire the resource and another process holding the resource
and trying to acquire the lock.
Copyright 1994 Novell, Inc. Page 1
rmalloc_wait(D3) rmalloc_wait(D3)
REFERENCES
rmalloc(D3), rmallocmap(D3), rmfree(D3), rmfreemap(D3)
NOTICES
Portability
All processors
Applicability
ddi: 3, 5, 5mp, 6, 6mp, 7, 7mp
Copyright 1994 Novell, Inc. Page 2