thiago at kde.org
Wed Nov 7 15:57:37 PST 2012
On quarta-feira, 7 de novembro de 2012 16.46.54, Martin Vidner wrote:
> > Remember that the library dup()s the file descriptor before giving it to
> > you. You need to remember to close it later, otherwise you'll leak them.
> Also note that the integers in the message are not the FDs. The spec says:
> UNIX_FD: 32-bit unsigned integer in the message's byte order. The
> actual file descriptors need to be transferred out-of-band via some
> platform specific mechanism. On the wire, values of this type store
> the index to the file descriptor in the array of file descriptors
> that accompany the message.
The integers in the message are not the integers that the API gives you. The
library converts the index into the Unix ancillary data to a real file
descriptor, which you *must* close.
If you get it twice from the library using the API, you'll get two different
values and they must both be closed.
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
Software Architect - Intel Open Source Technology Center
PGP/GPG: 0x6EF45358; fingerprint:
E067 918B B660 DBD1 105C 966C 33F5 F005 6EF4 5358
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