ainit.template - phpMan

AINIT.TEMPLATE(5)                                            AINIT.TEMPLATE(5)



NAME
       Template - template file for ainit

DESCRIPTION
       Template  files provide configuration for the ALSA sound system and ainit will cre-
       ate final ALSA configuration file according to them.

       Template is a common ALSA configuration  file  (like  /etc/alsa/pcm/dmix.conf)  but
       with  one difference. Everything between two ’%’ chars is processed and replaced by
       ainit.

       When ainit is lauched it parses the  template  files  and  copies  them  to  target
       (defined  in  ainit.conf).  If ainit finds defined string enclosed by ’%’ chars, it
       will take corresponding action  (allocate/free  memory,  semaphore)  and  eventualy
       write result to the target file.

       Ainit can recognize this tokens:


       %ipc_sem%
              If  ainit  is  lauched with "start" argument and this token is found it will
              allocate new IPC semaphore and write appropriate ipc_key to the target file.

              This  semaphore  can  be used by alsa-lib for secure sound data sharing with
              dmix, dshare or dsnoop plugins because  this  semaphore  is  allocated  with
              restricted permissions.

              If  ainit  is  lauched  with "stop" argument and this token is found it will
              free this IPC semaphore.


       %ipc_mem_direct%

       %ipc_mem_plug%

              If ainit is lauched with "start" argument and one of this tokens is found it
              will  allocate new shared memory and write appropriate ipc_key to the target
              file.

              This memory can be used with alsa-lib for secure  sound  data  sharing  with
              dmix,  dshare  or  dsnoop  plugins  because  this  memory  is allocated with
              restricted permissions.

              If ainit is lauched with "stop" argument and one of this tokens is found  it
              will free this shared memory.


FILES
       /etc/alsa/pcm/dmix.template
       /etc/alsa/pcm/dmix.conf
       /etc/alsa/pcm/dmix.conf.lock
       /etc/alsa/pcm/dsnoop.template
       /etc/alsa/pcm/dsnoop.conf
       /etc/alsa/pcm/dsnoop.conf.lock

SEE ALSO
       Also ainit(8), ainit.conf(5)

AUTHOR
       Martin Stransky <stransky AT redhat.com>



Red Hat Inc.                      11 May 2005                AINIT.TEMPLATE(5)

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