1# Copyright 2020 The Pigweed Authors 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); you may not 4# use this file except in compliance with the License. You may obtain a copy of 5# the License at 6# 7# https://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12# License for the specific language governing permissions and limitations under 13# the License. 14 15import("//build_overrides/pigweed.gni") 16 17import("$dir_pw_build/error.gni") 18import("$dir_pw_build/target_types.gni") 19import("$dir_pw_chrono/backend.gni") 20import("$dir_pw_docgen/docs.gni") 21import("$dir_pw_thread/backend.gni") 22import("$dir_pw_unit_test/test.gni") 23 24config("public_include_path") { 25 include_dirs = [ "public" ] 26 visibility = [ ":*" ] 27} 28 29config("id_public_overrides") { 30 include_dirs = [ "id_public_overrides" ] 31 visibility = [ ":*" ] 32} 33 34# This target provides the backend for pw::Thread::id & pw::this_thread::get_id. 35pw_source_set("id") { 36 public_configs = [ 37 ":public_include_path", 38 ":id_public_overrides", 39 ] 40 public = [ 41 "id_public_overrides/pw_thread_backend/id_inline.h", 42 "id_public_overrides/pw_thread_backend/id_native.h", 43 "public/pw_thread_stl/id_inline.h", 44 "public/pw_thread_stl/id_native.h", 45 ] 46 deps = [ "$dir_pw_thread:id.facade" ] 47} 48 49config("thread_public_overrides") { 50 include_dirs = [ "thread_public_overrides" ] 51 visibility = [ ":*" ] 52} 53 54# This target provides the backend for pw::Thread with joining capability. 55pw_source_set("thread") { 56 public_configs = [ 57 ":public_include_path", 58 ":thread_public_overrides", 59 ] 60 public = [ 61 "public/pw_thread_stl/options.h", 62 "public/pw_thread_stl/thread_inline.h", 63 "public/pw_thread_stl/thread_native.h", 64 "thread_public_overrides/pw_thread_backend/thread_inline.h", 65 "thread_public_overrides/pw_thread_backend/thread_native.h", 66 ] 67} 68 69config("thread_creation_public_overrides") { 70 include_dirs = [ "thread_creation_public_overrides" ] 71 visibility = [ ":*" ] 72} 73 74pw_source_set("thread_creation") { 75 public_configs = [ ":thread_creation_public_overrides" ] 76 public = [ 77 "thread_creation_public_overrides/pw_thread_backend/context.h", 78 "thread_creation_public_overrides/pw_thread_backend/options.h", 79 "thread_creation_public_overrides/pw_thread_backend/priority.h", 80 "thread_creation_public_overrides/pw_thread_backend/stack.h", 81 ] 82} 83 84pw_build_assert("check_system_clock_backend") { 85 condition = 86 pw_thread_SLEEP_BACKEND != "$dir_pw_thread_stl:sleep" || 87 pw_chrono_SYSTEM_CLOCK_BACKEND == "" || 88 pw_chrono_SYSTEM_CLOCK_BACKEND == "$dir_pw_chrono_stl:system_clock" 89 message = "The STL pw::this_thread::sleep_{for,until} backend only works " + 90 "with the STL pw::chrono::SystemClock backend " + 91 "(pw_chrono_SYSTEM_CLOCK_BACKEND = " + 92 "\"$dir_pw_chrono_stl:system_clock\")" 93} 94 95config("sleep_public_overrides") { 96 include_dirs = [ "sleep_public_overrides" ] 97 visibility = [ ":*" ] 98} 99 100# This target provides the backend for pw::this_thread::sleep_{for,until}. 101pw_source_set("sleep") { 102 public_configs = [ 103 ":public_include_path", 104 ":sleep_public_overrides", 105 ] 106 public = [ 107 "public/pw_thread_stl/sleep_inline.h", 108 "sleep_public_overrides/pw_thread_backend/sleep_inline.h", 109 ] 110 deps = [ 111 ":check_system_clock_backend", 112 "$dir_pw_chrono:system_clock", 113 "$dir_pw_thread:sleep.facade", 114 ] 115} 116 117config("yield_public_overrides") { 118 include_dirs = [ "yield_public_overrides" ] 119 visibility = [ ":*" ] 120} 121 122# This target provides the backend for pw::this_thread::yield. 123pw_source_set("yield") { 124 public_configs = [ 125 ":public_include_path", 126 ":yield_public_overrides", 127 ] 128 public = [ 129 "public/pw_thread_stl/yield_inline.h", 130 "yield_public_overrides/pw_thread_backend/yield_inline.h", 131 ] 132 deps = [ "$dir_pw_thread:yield.facade" ] 133} 134 135# This target provides a stub backend for pw::this_thread::thread_iteration. 136# Iterating over child threads isn't supported by STL, so this only exists 137# for portability reasons. 138pw_source_set("thread_iteration") { 139 deps = [ 140 "$dir_pw_thread:thread_iteration.facade", 141 dir_pw_status, 142 ] 143 sources = [ "thread_iteration.cc" ] 144} 145 146pw_test_group("tests") { 147 tests = [ ":thread_backend_test" ] 148} 149 150config("test_thread_context_public_overrides") { 151 include_dirs = [ "test_thread_context_public_overrides" ] 152 visibility = [ ":*" ] 153} 154 155pw_source_set("test_thread_context") { 156 public_deps = [ ":thread" ] 157 public_configs = [ 158 ":public_include_path", 159 ":test_thread_context_public_overrides", 160 ] 161 public = [ 162 "public/pw_thread_stl/test_thread_context_native.h", 163 "test_thread_context_public_overrides/pw_thread_backend/test_thread_context_native.h", 164 ] 165 deps = [ "$dir_pw_thread:test_thread_context.facade" ] 166} 167 168pw_source_set("non_portable_test_thread_options") { 169 public_deps = [ "$dir_pw_thread:non_portable_test_thread_options" ] 170 sources = [ "test_threads.cc" ] 171 deps = [ "$dir_pw_thread:thread" ] 172} 173 174pw_test("thread_backend_test") { 175 # TODO: b/317922402 - On Windows, this test can hang indefinitely. Disable on 176 # Windows until we can test with the native Windows SDK libraries for 177 # threading. 178 enable_if = pw_thread_THREAD_BACKEND == "$dir_pw_thread_stl:thread" && 179 pw_thread_SLEEP_BACKEND != "" && current_os != "win" 180 deps = [ 181 ":non_portable_test_thread_options", 182 "$dir_pw_thread:thread_facade_test", 183 ] 184} 185 186pw_doc_group("docs") { 187 sources = [ "docs.rst" ] 188} 189