Main release

utils/process.py

@@ -0,0 +1,38 @@
+"""
+Process management utilities for ComfyUI-Distributed.
+"""
+import os
+import subprocess
+import platform
+import signal
+
+def is_process_alive(pid):
+    """Check if a process with given PID is still alive."""
+    try:
+        if platform.system() == "Windows":
+            # Windows: use tasklist
+            result = subprocess.run(['tasklist', '/FI', f'PID eq {pid}'], 
+                                  capture_output=True, text=True)
+            return str(pid) in result.stdout
+        else:
+            # Unix: send signal 0
+            os.kill(pid, 0)
+            return True
+    except (OSError, subprocess.SubprocessError):
+        return False
+
+def terminate_process(process, timeout=5):
+    """Gracefully terminate a process with timeout."""
+    if process.poll() is None:  # Still running
+        process.terminate()
+        try:
+            process.wait(timeout=timeout)
+        except subprocess.TimeoutExpired:
+            process.kill()
+            process.wait()
+
+def get_python_executable():
+    """Get the Python executable path."""
+    import sys
+    return sys.executable
+