xref: /illumos-gate/usr/src/man/man9f/rmalloc_wait.9f (revision d48be21240dfd051b689384ce2b23479d757f2d8)
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RMALLOC_WAIT 9F "Jan 16, 2006"
NAME
rmalloc_wait - allocate space from a resource map, wait if necessary
SYNOPSIS

#include <sys/map.h>
#include <sys/ddi.h>



unsigned long rmalloc_wait(struct map *mp, size_t size);
INTERFACE LEVEL

Architecture independent level 1 (DDI/DKI).

PARAMETERS
mp

Pointer to the resource map from which space is to be allocated.

size

Number of units of space to allocate.

DESCRIPTION

The rmalloc_wait() function requests an allocation of space from a resource map. rmalloc_wait() is similar to the rmalloc(9F) function with the exception that it will wait for space to become available if necessary.

RETURN VALUES

The rmalloc_wait() function returns the base of the allocated space.

CONTEXT

This function can be called from user, interrupt, or kernel context. However, in most cases rmalloc_wait() should not be called from interrupt context.

SEE ALSO

rmalloc (9F), rmallocmap (9F), rmfree (9F), rmfreemap (9F)

Writing Device Drivers