Re: Out of ptys

Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 26 Aug 1998 11:55:10 +0100 (BST)

> before spawing a child, was creating children such as telnet, etc., that
> could continue to write to "stdout" after the link was disconnected and
> the original socket closed.

glibc gets this right too

#include <stdio.h>

int main(int argc, char *argv[])
{
close(1);
if(printf("Hello")==-1)
perror("printf");
if(fflush(stdout)==-1)
perror("fflush");
}

% ./doh
fflush: Bad file descriptor

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