plan9fox/sys/man/2/privalloc
2011-03-30 19:35:09 +03:00

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.TH PRIVALLOC 2
.SH NAME
privalloc, privfree \- per-process private storage management
.SH SYNOPSIS
.B #include <u.h>
.br
.B #include <libc.h>
.ta \w'voidmmm'u
.PP
.B
void** privalloc(void)
.PP
.B
void privfree(void **p)
.SH DESCRIPTION
.I Privalloc
returns a pointer to a per-process private storage location.
The location is not shared among processes,
even if they share the same data segments.
It returns
.B nil
if there are no free slots available.
.PP
.I Privfree
releases a location allocated with
.IR privalloc .
It is legal to call
.I privfree
with
.I p
set to
.BR nil .
.SH SOURCE
.B /sys/src/libc/9sys/privalloc.c
.SH SEE ALSO
.IR exec (2)