1 files changed, 47 insertions, 0 deletions
diff --git a/vendor/github.com/cloudflare/tableflip/process.go b/vendor/github.com/cloudflare/tableflip/process.go
new file mode 100644
index 000000000..c918a88c8
--- /dev/null
+++ b/vendor/github.com/cloudflare/tableflip/process.go
@@ -0,0 +1,47 @@
+package tableflip
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+)
+
+var initialWD, _ = os.Getwd()
+
+type process interface {
+	fmt.Stringer
+	Signal(sig os.Signal) error
+	Wait() error
+}
+
+type osProcess struct {
+	cmd *exec.Cmd
+}
+
+func newOSProcess(executable string, args []string, files []*os.File, env []string) (process, error) {
+	cmd := exec.Command(executable, args...)
+	cmd.Dir = initialWD
+	cmd.Stdin = os.Stdin
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	cmd.ExtraFiles = files
+	cmd.Env = env
+
+	if err := cmd.Start(); err != nil {
+		return nil, err
+	}
+
+	return &osProcess{cmd}, nil
+}
+
+func (osp *osProcess) Signal(sig os.Signal) error {
+	return osp.cmd.Process.Signal(sig)
+}
+
+func (osp *osProcess) Wait() error {
+	return osp.cmd.Wait()
+}
+
+func (osp *osProcess) String() string {
+	return fmt.Sprintf("pid=%d", osp.cmd.Process.Pid)
+}