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SubjectRe: access() says EROFS even for device files if /dev is mounted RO
On Wed, 29 Nov 2000, Alexander Viro wrote:
> Considering your previous workplace... How does official SVR{4,5} behave?

Under SCO UnixWare 7.1.1 you can happily write to devices in a readonly
mounted (vxfs) filesystem. You can also happily access(W_OK) them. Just
tried, right now (ok, it should have been obvious from the src but I trust
my hands more than my eyes :)

If I read the src right, AIX 4.3 and Monterey64 should do the same. OSR504
looks the same but Hugh knows it a lot better than me (he wrote most of
it!) so I defer to him to verify.

Regards,
Tigran

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