1# Copyright 2021 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("$dir_pw_build/target_types.gni") 18import("$dir_pw_chrono/backend.gni") 19import("$dir_pw_docgen/docs.gni") 20import("$dir_pw_unit_test/test.gni") 21 22config("public_include_path") { 23 include_dirs = [ "public" ] 24 visibility = [ ":*" ] 25} 26 27config("backend_config") { 28 include_dirs = [ "public_overrides" ] 29 visibility = [ ":*" ] 30} 31 32# This target provides the backend for pw::sync::InterruptSpinLock. 33# The provided implementation makes a single attempt to acquire the lock and 34# asserts if it is unavailable. It does not perform interrupt masking or disable 35# global interrupts, so this implementation does not support simultaneous 36# multi-threaded environments including IRQs, and is only meant to prevent 37# data corruption. This implementation is not yet set up to support hardware 38# multi-threading (SMP, SMT, etc). 39pw_source_set("interrupt_spin_lock") { 40 public_configs = [ 41 ":public_include_path", 42 ":backend_config", 43 ] 44 public = [ 45 "public/pw_sync_baremetal/interrupt_spin_lock_inline.h", 46 "public/pw_sync_baremetal/interrupt_spin_lock_native.h", 47 "public_overrides/pw_sync_backend/interrupt_spin_lock_inline.h", 48 "public_overrides/pw_sync_backend/interrupt_spin_lock_native.h", 49 ] 50 public_deps = [ 51 "$dir_pw_assert", 52 "$dir_pw_sync:interrupt_spin_lock.facade", 53 "$dir_pw_sync:yield_core", 54 ] 55} 56 57# This target provides the backend for pw::sync::Mutex. 58# The provided implementation makes a single attempt to acquire the lock and 59# asserts if it is unavailable. This implementation is not yet set up to support 60# hardware multi-threading (SMP, SMT, etc). 61pw_source_set("mutex") { 62 public_configs = [ 63 ":public_include_path", 64 ":backend_config", 65 ] 66 public = [ 67 "public/pw_sync_baremetal/mutex_inline.h", 68 "public/pw_sync_baremetal/mutex_native.h", 69 "public_overrides/pw_sync_backend/mutex_inline.h", 70 "public_overrides/pw_sync_backend/mutex_native.h", 71 ] 72 public_deps = [ 73 "$dir_pw_assert", 74 "$dir_pw_sync:mutex.facade", 75 ] 76} 77 78# This target provides the backend for pw::sync::RecursiveMutex. 79# The provided implementation makes a single attempt to acquire the lock and 80# asserts if it is unavailable. This implementation is not yet set up to support 81# hardware multi-threading (SMP, SMT, etc). 82pw_source_set("recursive_mutex") { 83 public_configs = [ 84 ":public_include_path", 85 ":backend_config", 86 ] 87 public = [ 88 "public/pw_sync_baremetal/recursive_mutex_inline.h", 89 "public/pw_sync_baremetal/recursive_mutex_native.h", 90 "public_overrides/pw_sync_backend/recursive_mutex_inline.h", 91 "public_overrides/pw_sync_backend/recursive_mutex_native.h", 92 ] 93 public_deps = [ 94 "$dir_pw_assert", 95 "$dir_pw_sync:recursive_mutex.facade", 96 ] 97 visibility = [ "$dir_pw_sync:*" ] 98} 99 100pw_doc_group("docs") { 101 sources = [ "docs.rst" ] 102} 103 104pw_test_group("tests") { 105} 106