Re: [PATCH 1/4] export __put_task_struct for XPMEM

[Al Viro]

On Mon, Aug 27, 2007 at 02:19:06PM -0500, Dean Nelson wrote:

> No operations can be done once it's closed, only while it's opened.

What the hell do you mean, can't be done?

	fd = open(...);
	fp = popen("/bin/date", "r");
	/* read from fp */
	fclose(fp);
	do operations on fd

And you've got yourself
	open
	fork duplicating descriptor
	exit closing that duplicate
	IO on original, after call of flush
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