Horton

Re: [HACKERS] Safe/Fast I/O ...

Matthew N. Dodd <winter@jurai.net>

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From: "Matthew N. Dodd" <winter@jurai.net>
To: Bruce Momjian <maillist@candle.pha.pa.us>
Cc: scrappy@hub.org, pgsql-hackers@postgreSQL.org
Date: 1998-04-12T17:38:44Z
Lists: pgsql-hackers 
On Sun, 12 Apr 1998, Bruce Momjian wrote:
> I found it.  It is an fcntl option.  From man fcntl:
> 
>      O_ASYNC      Enable the SIGIO signal to be sent to the process group when
>                   I/O is possible, e.g., upon availability of data to be read.
> 
> Who else supports this?

FreeBSD, and NetBSD appearto.

Linux and Solaris appear not to.

I was really speaking of the POSIX 1003.1B AIO/LIO calls when I originally
brought this up. (aio_read/aio_write)

/* 
   Matthew N. Dodd		| A memory retaining a love you had for life	
   winter@jurai.net		| As cruel as it seems nothing ever seems to
   http://www.jurai.net/~winter | go right - FLA M 3.1:53	
*/