# /builddir/build/BUILD/alsa-lib-1.1.0/src/pcm/pcm_shm.c File Reference

PCM Shared Memory Plugin Interface. More...

## Functions

int | snd_pcm_shm_open (snd_pcm_t **pcmp, const char *name, const char *sockname, const char *sname, snd_pcm_stream_t stream, int mode)
| Creates a new shared memory PCM.
int | _snd_pcm_shm_open (snd_pcm_t **pcmp, const char *name, snd_config_t *root, snd_config_t *conf, snd_pcm_stream_t stream, int mode)
| Creates a new shm PCM.

## Detailed Description

PCM Shared Memory Plugin Interface.

Author:
  Abramo Bagnara <abramo@alsa-project.org>

Date:
  2000-2001

## Function Documentation

int _snd_pcm_shm_open | ( | snd_pcm_t ** | pcmp,
|  | const char * | name,
|  | snd_config_t * | root,
|  | snd_config_t * | conf,
|  | snd_pcm_stream_t | stream,
|  | int | mode |
| ) |  |  |

Creates a new shm PCM.

Parameters:

  | pcmp | Returns created PCM handle
  | name | Name of PCM
  | root | Root configuration node
  | conf | Configuration node with hw PCM description
  | stream | PCM Stream
  | mode | PCM Mode

Warning:
  Using of this function might be dangerous in the sense of compatibility reasons. The prototype might be freely changed in future.

int snd_pcm_shm_open | ( | snd_pcm_t ** | pcmp,
|  | const char * | name,
|  | const char * | sockname,
|  | const char * | sname,
|  | snd_pcm_stream_t | stream,
|  | int | mode |
| ) |  |  |

Creates a new shared memory PCM.

Parameters:

  | pcmp | Returns created PCM handle
  | name | Name of PCM
  | sockname | Unix socket name
  | sname | Server name
  | stream | PCM Stream
  | mode | PCM Mode

Return values:

  | zero | on success otherwise a negative error code

Warning:
  Using of this function might be dangerous in the sense of compatibility reasons. The prototype might be freely changed in future.

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