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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)
}
|
