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b774b99db5
Use a more simple tranport protocol for the realtime data. Use a piece of shared memory and a socket where we use a 1byte read/write to trigger remote actions. Also use a ringbuffer for events.
57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/* Pinos
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* Copyright (C) 2016 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __PINOS_MEM_H__
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#define __PINOS_MEM_H__
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#include <spa/defs.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct _PinosMemblock PinosMemblock;
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typedef enum {
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PINOS_MEMBLOCK_FLAG_NONE = 0,
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PINOS_MEMBLOCK_FLAG_WITH_FD = (1 << 0),
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PINOS_MEMBLOCK_FLAG_MAP_READ = (1 << 1),
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PINOS_MEMBLOCK_FLAG_MAP_WRITE = (1 << 2),
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PINOS_MEMBLOCK_FLAG_SEAL = (1 << 3),
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} PinosMemblockFlags;
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#define PINOS_MEMBLOCK_FLAG_MAP_READWRITE (PINOS_MEMBLOCK_FLAG_MAP_READ | PINOS_MEMBLOCK_FLAG_MAP_WRITE)
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struct _PinosMemblock {
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PinosMemblockFlags flags;
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int fd;
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void *ptr;
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size_t size;
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};
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SpaResult pinos_memblock_alloc (PinosMemblockFlags flags,
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size_t size,
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PinosMemblock *mem);
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void pinos_memblock_free (PinosMemblock *mem);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __PINOS_MEM_H__ */
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