diff options
Diffstat (limited to 'src/pulsecore/memchunk.h')
| -rw-r--r-- | src/pulsecore/memchunk.h | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/src/pulsecore/memchunk.h b/src/pulsecore/memchunk.h index b8ce6249..9458f4ff 100644 --- a/src/pulsecore/memchunk.h +++ b/src/pulsecore/memchunk.h @@ -1,21 +1,21 @@ #ifndef foomemchunkhfoo #define foomemchunkhfoo -/* $Id$ */ - /*** This file is part of PulseAudio. - + + Copyright 2004-2006 Lennart Poettering + PulseAudio is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. - + PulseAudio is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. - + You should have received a copy of the GNU Lesser General Public License along with PulseAudio; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 @@ -35,11 +35,19 @@ typedef struct pa_memchunk { /* Make a memchunk writable, i.e. make sure that the caller may have * exclusive access to the memblock and it is not read_only. If needed - * the memblock in the structure is replaced by a copy. */ -void pa_memchunk_make_writable(pa_memchunk *c, size_t min); + * the memblock in the structure is replaced by a copy. If min is not + * 0 it is made sure that the returned memblock is at least of the + * specified size, i.e. is enlarged if necessary. */ +pa_memchunk* pa_memchunk_make_writable(pa_memchunk *c, size_t min); /* Invalidate a memchunk. This does not free the cotaining memblock, * but sets all members to zero. */ -void pa_memchunk_reset(pa_memchunk *c); +pa_memchunk* pa_memchunk_reset(pa_memchunk *c); + +/* Map a memory chunk back into memory if it was swapped out */ +pa_memchunk *pa_memchunk_will_need(const pa_memchunk *c); + +/* Copy the data in the src memchunk to the dst memchunk */ +pa_memchunk* pa_memchunk_memcpy(pa_memchunk *dst, pa_memchunk *src); #endif |