ollama/app/lifecycle/server_windows.go
2024-06-04 11:13:30 -07:00

91 lines
1.6 KiB
Go

package lifecycle
import (
"context"
"fmt"
"os/exec"
"syscall"
"golang.org/x/sys/windows"
)
func getCmd(ctx context.Context, exePath string) *exec.Cmd {
cmd := exec.CommandContext(ctx, exePath, "serve")
cmd.SysProcAttr = &syscall.SysProcAttr{
HideWindow: true,
CreationFlags: windows.CREATE_NEW_PROCESS_GROUP,
}
return cmd
}
func terminate(cmd *exec.Cmd) error {
dll, err := windows.LoadDLL("kernel32.dll")
if err != nil {
return err
}
//nolint:errcheck
defer dll.Release()
pid := cmd.Process.Pid
f, err := dll.FindProc("AttachConsole")
if err != nil {
return err
}
r1, _, err := f.Call(uintptr(pid))
if r1 == 0 && err != syscall.ERROR_ACCESS_DENIED {
return err
}
f, err = dll.FindProc("SetConsoleCtrlHandler")
if err != nil {
return err
}
r1, _, err = f.Call(0, 1)
if r1 == 0 {
return err
}
f, err = dll.FindProc("GenerateConsoleCtrlEvent")
if err != nil {
return err
}
r1, _, err = f.Call(windows.CTRL_BREAK_EVENT, uintptr(pid))
if r1 == 0 {
return err
}
r1, _, err = f.Call(windows.CTRL_C_EVENT, uintptr(pid))
if r1 == 0 {
return err
}
return nil
}
const STILL_ACTIVE = 259
func isProcessExited(pid int) (bool, error) {
hProcess, err := windows.OpenProcess(windows.PROCESS_QUERY_INFORMATION, false, uint32(pid))
if err != nil {
return false, fmt.Errorf("failed to open process: %v", err)
}
//nolint:errcheck
defer windows.CloseHandle(hProcess)
var exitCode uint32
err = windows.GetExitCodeProcess(hProcess, &exitCode)
if err != nil {
return false, fmt.Errorf("failed to get exit code: %v", err)
}
if exitCode == STILL_ACTIVE {
return false, nil
}
return true, nil
}