Re: os.execute returns munged exit status

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• Subject: Re: os.execute returns munged exit status
• From: Rici Lake <lua@...>
• Date: 2004年10月15日 16:02:14 -0500

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On 15-Oct-04, at 4:50 PM, David Given wrote:

system() is implemented using wait(). There are a bunch of macros available for pulling out useful info from the return code for wait(). 'man wait' will give the list

...
I think these are Posix; does anyone have a Posix reference anywhere?

This one is good: <http://www.opengroup.org/onlinepubs/009695399/toc.htm>

The description of the macros will be found at the bottom of this page:
 <http://www.opengroup.org/onlinepubs/009695399/functions/wait.html>

along with a minimalistic explanation of why they are used instead of just masking off the last byte, as was traditional.

R.

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• References:
  • os.execute returns munged exit status, Aaron Brown
  • Re: os.execute returns munged exit status, Rici Lake
  • Re: os.execute returns munged exit status, Aaron Brown
  • Re: os.execute returns munged exit status, David Given

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