[DragonFlyBSD - Bug #2357] open(2) flagspace is full

[Francois Tigeot via Redmine <bugtracker-admin@xxxxxxxxxxxxxxxxxxxxx>]

Issue #2357 has been updated by Francois Tigeot.

% Done changed from 0 to 10

O_FRNONBLOCKING is also effectively unused
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Bug #2357: open(2) flagspace is full
http://bugs.dragonflybsd.org/issues/2357

Author: Francois Tigeot
Status: New
Priority: High
Assignee: 
Category: 
Target version: 


Recent software expects to be able to use open with flags such as O_DIRECTORY or O_CLOEXEC; they are useful to prevent races and securities vulnerabilities.

I have looked at implementing O_CLOEXEC support, but all the bits in an int are already used; I have counted about 10 DragonFly-specific flags in the lot.

The standard flags, as defined in the current POSIX.1-2008 standard:
http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/fcntl.h.html


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