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// +build windows
package util
import (
"fmt"
"os"
"os/exec"
"syscall"
)
// ExecCommand executes the given command with cmd
func ExecCommand(command string, setpgid bool) *exec.Cmd {
return ExecCommandWith("cmd", command, setpgid)
}
// ExecCommandWith executes the given command with cmd. _shell parameter is
// ignored on Windows.
// FIXME: setpgid is unused. We set it in the Unix implementation so that we
// can kill preview process with its child processes at once.
func ExecCommandWith(_shell string, command string, setpgid bool) *exec.Cmd {
cmd := exec.Command("cmd")
cmd.SysProcAttr = &syscall.SysProcAttr{
HideWindow: false,
CmdLine: fmt.Sprintf(` /v:on/s/c "%s"`, command),
CreationFlags: 0,
}
return cmd
}
// KillCommand kills the process for the given command
func KillCommand(cmd *exec.Cmd) error {
return cmd.Process.Kill()
}
// IsWindows returns true on Windows
func IsWindows() bool {
return true
}
// SetNonblock executes syscall.SetNonblock on file descriptor
func SetNonblock(file *os.File, nonblock bool) {
syscall.SetNonblock(syscall.Handle(file.Fd()), nonblock)
}
// Read executes syscall.Read on file descriptor
func Read(fd int, b []byte) (int, error) {
return syscall.Read(syscall.Handle(fd), b)
}
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