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ioctl.c
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ioctl.c
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/*
* Copyright (C) 2017 David Michael <[email protected]>
*
* This file is part of the Hurd rump audio translator.
*
* The Hurd rump audio translator is free software: you can redistribute it
* and/or modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* The Hurd rump audio translator 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 General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* the Hurd rump audio translator. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Define some ioctl handlers for /dev/audio.
*/
#include <hurd/hurd_types.h>
#include <mach/kern_return.h>
#include <stdint.h>
#include <rump/rumpdefs.h>
#include <rump/rumperrno2host.h>
#include <rump/rump_syscalls.h>
#include "ioctl-audio.h"
#include "ioctl.h"
/* Define a type with the same size as the rump kernel's struct audio_info. */
typedef int64_t audio_info_rump_buffer_t[AUDIO_INFO_BUFFER_INT64S - 1];
extern int rump_fd;
kern_return_t
sioctl_audio_getinfo (io_t reqport, audio_info_buffer_t info)
{
int rc = rump_sys_ioctl (rump_fd,
_RUMP_IOR ('A', 21, audio_info_rump_buffer_t),
info);
if (rc < 0)
return rump_errno2host (rc);
/* Set the appended compatibility 64 bits to zero. */
*(AUDIO_INFO_BUFFER_INT64S - 1 + (int64_t *) info) = 0;
return KERN_SUCCESS;
}
kern_return_t
sioctl_audio_setinfo (io_t reqport, audio_info_buffer_t info)
{
int rc = rump_sys_ioctl (rump_fd,
_RUMP_IOWR ('A', 22, audio_info_rump_buffer_t),
info);
if (rc < 0)
return rump_errno2host (rc);
/* Set the appended compatibility 64 bits to zero. */
*(AUDIO_INFO_BUFFER_INT64S - 1 + (int64_t *) info) = 0;
return KERN_SUCCESS;
}