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(parent: ae7399b) | patch
provide emulation of fcntl F_DUPFD_CLOEXEC on old kernels
authorRich Felker <dalias@aerifal.cx>
Wed, 27 Mar 2013 02:54:57 +0000 (22:54 -0400)
committerRich Felker <dalias@aerifal.cx>
Wed, 27 Mar 2013 02:54:57 +0000 (22:54 -0400)
commit00f1521fdd3f57c7a190550426537089fc24b9da
treef4b6eafdbd50b0eeef1873e66c4d6947bfae0ed7tree | snapshot
parentae7399bfd86c59b8717bb81c70b2acb20acd0f9acommit | diff
provide emulation of fcntl F_DUPFD_CLOEXEC on old kernels

I'm not entirely happy with the amount of ugliness here, but since
F_DUPFD_CLOEXEC is used elsewhere in code that's expected to work on
old kernels (popen), it seems necessary. reportedly even some modern
kernels went back and broke F_DUPFD_CLOEXEC (making it behave like
plain F_DUPFD), so it might be necessary to add some additional fixup
code later to deal with that issue too.
src/fcntl/fcntl.c diff | blob | history
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