initial commit

electron/services/jlink/jlinkGdbSpawnLock.cjs

@@ -0,0 +1,14 @@
+const wait = ms => new Promise(resolve => setTimeout(resolve, ms));
+
+/** Serialize J-Link GDB Server starts so two probes on USB do not race. */
+let spawnChain = Promise.resolve();
+
+const withGdbSpawn = async fn => {
+    const run = spawnChain.then(() => fn());
+    spawnChain = run
+        .then(() => wait(450))
+        .catch(() => wait(450));
+    return run;
+};
+
+module.exports = { withGdbSpawn };