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Re: AudioDeviceStart Error Codes
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Re: AudioDeviceStart Error Codes


  • Subject: Re: AudioDeviceStart Error Codes
  • From: Jeff Moore <email@hidden>
  • Date: Thu, 15 Oct 2009 11:54:38 -0700

In that case, you are likely hitting the MACH_SEND_INVALID_DEST error as the "call" to the driver to start the hardware is really a mach message. The fork probably left your mach port names a mess in the child process without the exec.


On Oct 15, 2009, at 11:50 AM, Chuck Carlson wrote:

Thanks, interesting.

I'm doing the AudioDeviceStart in a forked process, where previously
it had been done in an exec'd process.

On Thu, Oct 15, 2009 at 11:43 AM, Doug Wyatt <email@hidden> wrote:

On Oct 14, 2009, at 21:57 , Chuck Carlson wrote:

Hello,

I'm getting an error code:

0x10000003

from AudioDeviceStart. I can't find this code in AudioHardware.h, so
it must be a more general error.


Any ideas what this might be?

[/usr/include/mach]$ grep -r 10000003 .
./arm/processor_info.h:#define PROCESSOR_CPU_STAT 0x10000003 /*
Low level cpu statistics */
./message.h:#define MACH_SEND_INVALID_DEST 0x10000003


--

Jeff Moore
Core Audio
Apple



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References: 
 >AudioDeviceStart Error Codes (From: Chuck Carlson <email@hidden>)
 >Re: AudioDeviceStart Error Codes (From: Doug Wyatt <email@hidden>)
 >Re: AudioDeviceStart Error Codes (From: Chuck Carlson <email@hidden>)

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