David Majnemer 3ba3a4ccfd Support: Add a utility to remap std{in,out,err} to /dev/null if closed
It's possible to start a program with one (or all) of the standard file
descriptors closed.  Subsequent open system calls will give the program
a low-numbered file descriptor.

This is problematic because we may believe we are writing to standard
out instead of a file.

Introduce Process::FixupStandardFileDescriptors, a helper function to
remap standard file descriptors to /dev/null if they were closed before
the program started.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219170 91177308-0d34-0410-b5e6-96231b3b80d8
2014-10-06 23:16:18 +00:00
..
2014-09-16 03:52:46 +00:00
2014-09-11 22:55:25 +00:00
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