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authorLennart Poettering <lennart@poettering.net>2014-12-17 21:54:00 +0100
committerLennart Poettering <lennart@poettering.net>2014-12-18 01:36:28 +0100
commit20b63d12b533daf2e9b2936ffb03074861e1673e (patch)
tree8c21608e7d9e5a767da287b7fd04d7c432e1e0e4 /src/shared/copy.h
parent82e6c50c473f4be8df77c7a510577f1975eedddb (diff)
util: in make_stdio() use dup2() rather than dup3()
dup3() allows setting O_CLOEXEC which we are not interested in. However, it also fails if called with the same fd as input and output, which is something we don't want. Hence use dup2(). Also, we need to explicitly turn off O_CLOEXEC for the fds, in case the input fd was O_CLOEXEC and < 3.
Diffstat (limited to 'src/shared/copy.h')
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