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Windows - fix panic and stderr

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Signed-off-by: John Howard <jhoward@microsoft.com>
This commit is contained in:
John Howard 2017-03-30 15:36:42 -07:00
parent 91f3f992f1
commit 141a83b820
2 changed files with 15 additions and 1 deletions
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7
cmd/dockerd/service_windows.go
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@ -5,6 +5,7 @@ import (
"errors"
"fmt"
"io/ioutil"
"log"
"os"
"os/exec"
"path/filepath"
@ -409,6 +410,12 @@ func initPanicFile(path string) error {
return err
}
// Reset os.Stderr to the panic file (so fmt.Fprintf(os.Stderr,...) actually gets redirected)
os.Stderr = os.NewFile(uintptr(panicFile.Fd()), "/dev/stderr")
// Force threads that panic to write to stderr (the panicFile handle now), otherwise it will go into the ether
log.SetOutput(os.Stderr)
return nil
}