select(2)'s timeout argument

[lbland]

On Jun 29, 2004, at 2:11 PM, Mikhail Teterin wrote:

> Why is the pointer to the `struct timeval' not declared as `const'?
>
> Can select(2) ever modify the structure pointed to? Thanks!

hi-

Some versions of Linux modified timeval. Posix.1g specifies const 
qualifier. I think most unixes don't modify it. I think ?? in the old 
days some unixes did modify it. legacy and compatibility issues.

thanks!-

-lance

Lance Bland
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