1 files changed, 29 insertions, 0 deletions
diff --git a/packages/meshbay-node/src/meshbay_node/platform.py b/packages/meshbay-node/src/meshbay_node/platform.py
index 88db83d..c0e4d00 100644
--- a/packages/meshbay-node/src/meshbay_node/platform.py
+++ b/packages/meshbay-node/src/meshbay_node/platform.py
@@ -397,6 +397,35 @@ def autostart_end() -> None:
     subprocess.run(argv, capture_output=True)
 
 
+def node_pids() -> list[int]:
+    """Every meshbay-node.exe running, in any session, except this process and
+    its parent (the CLI is meshbay-node.exe too). Empty off Windows.
+
+    What says whether a node is still there after a stop: its control API
+    closes first, so a process that has not exited yet answers nothing and
+    used to count as gone.
+    """
+    if sys.platform != "win32":
+        return []
+    r = subprocess.run(["tasklist", "/FI", f"IMAGENAME eq {NODE_IMAGE}", "/NH", "/FO", "CSV"],
+                       capture_output=True, text=True)
+    mine = {os.getpid(), os.getppid()}
+    pids = []
+    for line in r.stdout.splitlines():
+        cells = [c.strip('"') for c in line.split('","')]
+        if len(cells) > 1 and cells[1].isdigit() and int(cells[1]) not in mine:
+            pids.append(int(cells[1]))
+    return pids
+
+
+def kill_pid(pid: int) -> None:
+    """Force-stop one process and its children (its ffmpeg transcodes). Reaches
+    this session only, unless the caller is elevated. Windows only: systemd
+    stops the node everywhere else."""
+    if sys.platform == "win32":
+        subprocess.run(["taskkill", "/F", "/T", "/PID", str(pid)], capture_output=True)
+
+
 # ── Service mode (Windows, opt-in at install time) ───────────────────────────
 #
 # The Startup-folder .vbs above only ever runs after *this* user signs in. A