Initial commit

server/mcp/process_utils_unix.go

@@ -0,0 +1,37 @@
+//go:build !windows
+
+package mcpTool
+
+import (
+	"errors"
+	"os/exec"
+	"syscall"
+)
+
+func prepareDetachedProcess(cmd *exec.Cmd) {
+	cmd.SysProcAttr = &syscall.SysProcAttr{
+		Setpgid: true,
+	}
+}
+
+func processExists(pid int) bool {
+	if pid <= 0 {
+		return false
+	}
+
+	err := syscall.Kill(pid, 0)
+	return err == nil || errors.Is(err, syscall.EPERM)
+}
+
+func terminateProcess(pid int) error {
+	if pid <= 0 {
+		return nil
+	}
+
+	err := syscall.Kill(pid, syscall.SIGTERM)
+	if err == nil || errors.Is(err, syscall.ESRCH) {
+		return nil
+	}
+
+	return err
+}