1 files changed, 50 insertions, 0 deletions
diff --git a/pw_thread_zephyr/thread_iteration.cc b/pw_thread_zephyr/thread_iteration.cc
new file mode 100644
index 000000000..bc120deb5
--- /dev/null
+++ b/pw_thread_zephyr/thread_iteration.cc
@@ -0,0 +1,50 @@
+// Copyright 2023 The Pigweed Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not
+// use this file except in compliance with the License. You may obtain a copy of
+// the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations under
+// the License.
+
+#include "pw_thread/thread_iteration.h"
+
+#include <zephyr/kernel.h>
+
+namespace pw::thread {
+
+namespace zephyr {
+void zephyr_adapter(const struct k_thread* thread, void* user_data) {
+  const pw::thread::ThreadCallback& cb =
+      *reinterpret_cast<const pw::thread::ThreadCallback*>(user_data);
+
+  ThreadInfo thread_info;
+
+  span<const std::byte> current_name =
+      as_bytes(span(std::string_view(k_thread_name_get((k_tid_t)thread))));
+  thread_info.set_thread_name(current_name);
+
+#ifdef CONFIG_THREAD_STACK_INFO
+  thread_info.set_stack_low_addr(thread->stack_info.start);
+  thread_info.set_stack_pointer(thread->stack_info.start +
+                                thread->stack_info.size);
+#endif
+
+  cb(thread_info);
+}
+}  // namespace zephyr
+
+Status ForEachThread(const pw::thread::ThreadCallback& cb) {
+  k_thread_user_cb_t adapter_cb = zephyr::zephyr_adapter;
+
+  k_thread_foreach(adapter_cb, (void*)&cb);
+
+  return OkStatus();
+}
+
+}  // namespace pw::thread