'\" te
.\"  Copyright (c) 2006, Sun Microsystems, Inc.
.\"  All Rights Reserved
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.TH RMALLOC_WAIT 9F "Jan 16, 2006"
.SH NAME
rmalloc_wait \- allocate space from a resource map, wait if necessary
.SH SYNOPSIS
.LP
.nf
#include <sys/map.h>
#include <sys/ddi.h>



\fBunsigned long\fR \fBrmalloc_wait\fR(\fBstruct map *\fR\fImp\fR, \fBsize_t\fR \fIsize\fR);
.fi

.SH INTERFACE LEVEL
.sp
.LP
Architecture independent level 1 (\fBDDI/DKI\fR).
.SH PARAMETERS
.sp
.ne 2
.na
\fB\fImp\fR\fR
.ad
.RS 8n
Pointer to the resource map from which space is to be allocated.
.RE

.sp
.ne 2
.na
\fB\fIsize\fR\fR
.ad
.RS 8n
Number of units of space to allocate.
.RE

.SH DESCRIPTION
.sp
.LP
The \fBrmalloc_wait()\fR function requests an allocation of space from a
resource map. \fBrmalloc_wait()\fR is similar to the \fBrmalloc\fR(9F) function
with the exception that it will wait for space to become available if
necessary.
.SH RETURN VALUES
.sp
.LP
The \fBrmalloc_wait()\fR function returns the base of the allocated space.
.SH CONTEXT
.sp
.LP
This function can be called from user, interrupt, or kernel context. However,
in most cases \fBrmalloc_wait()\fR should not be called from interrupt context.
.SH SEE ALSO
.sp
.LP
.BR rmalloc (9F),
.BR rmallocmap (9F),
.BR rmfree (9F),
.BR rmfreemap (9F)
.sp
.LP
\fIWriting Device Drivers\fR