This patch tests for the presence of O_CLOEXEC at run-time.
The technique I use allows to use only two system calls instead of
three on system where O_CLOEXEC does not work, at least after the
first call to open_noinherit.
The code can be moved to an emulation of open by doing something
like:
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According to Paolo Bonzini on 8/21/2009 1:42 AM:
This patch tests for the presence of O_CLOEXEC at run-time.
The technique I use allows to use only two system calls instead of
three on system where O_CLOEXEC does not work, at least after the
