pw_async: Add CMake support

Add support for CMake in pw_async module and pw_async_basic

Change-Id: I4cf5957c1f487efaa67a3896809dedad3ad32c18
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/175475
Reviewed-by: Taylor Cramer <[email protected]>
Commit-Queue: Yuval Peress <[email protected]>

CMakeLists.txt

@@ -73,6 +73,8 @@ add_subdirectory(pw_assert EXCLUDE_FROM_ALL)
 add_subdirectory(pw_assert_basic EXCLUDE_FROM_ALL)
 add_subdirectory(pw_assert_log EXCLUDE_FROM_ALL)
 add_subdirectory(pw_assert_zephyr EXCLUDE_FROM_ALL)
+add_subdirectory(pw_async EXCLUDE_FROM_ALL)
+add_subdirectory(pw_async_basic EXCLUDE_FROM_ALL)
 add_subdirectory(pw_base64 EXCLUDE_FROM_ALL)
 add_subdirectory(pw_blob_store EXCLUDE_FROM_ALL)
 add_subdirectory(pw_bluetooth EXCLUDE_FROM_ALL)

pw_async/CMakeLists.txt

@@ -0,0 +1,55 @@
+# 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($ENV{PW_ROOT}/pw_build/pigweed.cmake)
+include($ENV{PW_ROOT}/pw_async/backend.cmake)
+
+pw_add_library(pw_async.types INTERFACE
+  HEADERS
+    public/pw_async/context.h
+    public/pw_async/task_function.h
+  PUBLIC_INCLUDES
+    public
+  PUBLIC_DEPS
+    pw_function
+    pw_status
+)
+
+pw_add_facade(pw_async.task INTERFACE
+  BACKEND
+    pw_async.task_BACKEND
+  HEADERS
+    public/pw_async/task.h
+  PUBLIC_INCLUDES
+    public
+  PUBLIC_DEPS
+    pw_async.types
+    pw_function
+    pw_status
+)
+
+pw_add_facade(pw_async.dispatcher INTERFACE
+  BACKEND
+    pw_async.dispatcher_BACKEND
+  HEADERS
+    public/pw_async/dispatcher.h
+    public/pw_async/function_dispatcher.h
+  PUBLIC_INCLUDES
+    public
+  PUBLIC_DEPS
+    pw_async.types
+    pw_chrono.system_clock
+    pw_function
+    pw_status
+)

pw_async/backend.cmake

@@ -0,0 +1,21 @@
+# 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_guard(GLOBAL)
+
+include($ENV{PW_ROOT}/pw_build/pigweed.cmake)
+
+# Backend for the pw_async module.
+pw_add_backend_variable(pw_async.task_BACKEND)
+pw_add_backend_variable(pw_async.dispatcher_BACKEND)

pw_async_basic/CMakeLists.txt

@@ -0,0 +1,43 @@
+# 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($ENV{PW_ROOT}/pw_build/pigweed.cmake)
+
+pw_add_library(pw_async_basic.task_backend INTERFACE
+  HEADERS
+    public/pw_async_basic/task.h
+    public_overrides/pw_async_backend/task.h
+  PUBLIC_INCLUDES
+    public
+    public_overrides
+  PUBLIC_DEPS
+    pw_async.task.facade
+    pw_containers.intrusive_list
+)
+
+pw_add_library(pw_async_basic.dispatcher_backend STATIC
+  HEADERS
+    public/pw_async_basic/dispatcher.h
+  SOURCES
+    dispatcher.cc
+  PUBLIC_INCLUDES
+    public
+  PUBLIC_DEPS
+    pw_async_basic.task_backend
+    pw_async.dispatcher.facade
+    pw_containers.intrusive_list
+    pw_sync.interrupt_spin_lock
+    pw_sync.timed_thread_notification
+    pw_thread.thread_core
+)