Re: truss(1) locked in kernel with 8.0-BETA2

From: Nathan Lay <nslay_at_comcast.net>
Date: Sun, 23 Aug 2009 16:12:18 -0400
Ed Schouten wrote:
> * Nathan Lay <nslay_at_comcast.net> wrote:
>   
>> Instead of zeroing and setting master and STDIN_FILENO on the fd_set
>> every iteration, <snip>
>>     
>
> The current code doesn't zero the fdsets each iteration, only during
> startup:
>
> |  	FD_ZERO(&rfd);
> |  	for (;;) {
> |  		FD_SET(master, &rfd);
> | 		if (!nostdin)
> | 			FD_SET(STDIN_FILENO, &rfd);
>
>   
Ah right, I misread.  In any case, once 0 bytes are written to the 
master descriptor is that continually needed and does select() really 
need to continue to examine STDIN_FILENO?
Received on Sun Aug 23 2009 - 18:13:43 UTC

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