From ff48681aaef919cd2c85e4572928e936397a615c Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Fri, 18 Aug 2006 19:46:20 +0000 Subject: add abstracted shared memory API git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1265 fefdeb5f-60dc-0310-8127-8f9354f1896f --- src/pulsecore/shm.h | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 src/pulsecore/shm.h (limited to 'src/pulsecore/shm.h') diff --git a/src/pulsecore/shm.h b/src/pulsecore/shm.h new file mode 100644 index 00000000..ea72403a --- /dev/null +++ b/src/pulsecore/shm.h @@ -0,0 +1,42 @@ +#ifndef foopulseshmhfoo +#define foopulseshmhfoo + +/* $Id$ */ + +/*** + This file is part of PulseAudio. + + 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 + USA. +***/ + +#include + +typedef struct pa_shm { + unsigned id; + void *ptr; + size_t size; + int do_unlink; + int shared; +} pa_shm; + +int pa_shm_create_rw(pa_shm *m, size_t size, int shared, mode_t mode); +int pa_shm_attach_ro(pa_shm *m, unsigned id); + +void pa_shm_punch(pa_shm *m, size_t offset, size_t size); + +void pa_shm_free(pa_shm *m); + +#endif -- cgit