[Bugme-janitors] [Bug 10596] read, readv, write and writev system calls are not atomic

bugme-daemon at bugzilla.kernel.org bugme-daemon at bugzilla.kernel.org
Tue May 20 13:15:38 PDT 2008


http://bugzilla.kernel.org/show_bug.cgi?id=10596





------- Comment #5 from mtk.manpages at gmail.com  2008-05-20 13:15 -------
(In reply to comment #0)
> Problem Description: read, readv, write and writev system calls are not atomic
> even though standards require them to. They are not atomic because the sys_
> functions in fs/read_write.c copy the value of variable f_pos to and from a
> local variable without locking.


Matti,

Do you mean "not atomic" or do you mean "not thread safe"?


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