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Enable header metadata

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Enable the header metadata so that we have timestamps again.
Rework allocation in the link a little. Reuse previously allocated
buffers when possible. Keep track of where the buffers was allocated.
Make some more convenience functions to initialize buffer headers. Make
it so that we move allocations to the app.
Make some helpers to make memfd memory in pinos now that we will be able
to do all allocation there.
This commit is contained in:
Wim Taymans 2016-09-30 17:07:38 +02:00
parent 24108e01c1
commit 9d4048e73a
15 changed files with 504 additions and 157 deletions
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55
pinos/server/utils.h Normal file
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/* Pinos
* Copyright (C) 2016 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __PINOS_UTILS_H__
#define __PINOS_UTILS_H__
#include <glib-object.h>
G_BEGIN_DECLS
typedef struct _PinosMemblock PinosMemblock;
#include <pinos/server/daemon.h>
typedef enum {
PINOS_MEMBLOCK_FLAG_NONE = 0,
PINOS_MEMBLOCK_FLAG_WITH_FD = (1 << 0),
PINOS_MEMBLOCK_FLAG_MAP_READ = (1 << 1),
PINOS_MEMBLOCK_FLAG_MAP_WRITE = (1 << 2),
PINOS_MEMBLOCK_FLAG_SEAL = (1 << 3),
} PinosMemblockFlags;
#define PINOS_MEMBLOCK_FLAG_MAP_READWRITE (PINOS_MEMBLOCK_FLAG_MAP_READ | PINOS_MEMBLOCK_FLAG_MAP_WRITE)
struct _PinosMemblock {
PinosMemblockFlags flags;
int fd;
gpointer *ptr;
gsize size;
};
gboolean pinos_memblock_alloc (PinosMemblockFlags flags,
gsize size,
PinosMemblock *mem);
void pinos_memblock_free (PinosMemblock *mem);
G_END_DECLS
#endif /* __PINOS_UTILS_H__ */