Re: [patch v2] epoll use a single inode ...

From: H. Peter Anvin
Date: Mon Mar 05 2007 - 21:38:28 EST


Davide Libenzi wrote:

Right now is using:

this.len = sprintf(name, "[%u.%d]", current->pid, fd);

That should be unique and not have the wraparound problem. Ack?


NAK, very much NAK.

File descriptors aren't file structures, they're *pointers* to file structures.

It's perfectly possible -- downright common -- for a file descriptor to be inherited by another process, and then the pid is recycled -- collision.

-hpa
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