1 // Copyright 2023 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 15 #include "pw_sync/interrupt_spin_lock.h" 16 17 #include <zephyr/spinlock.h> 18 19 #include "pw_assert/check.h" 20 21 namespace pw::sync { 22 lock()23void InterruptSpinLock::lock() { 24 PW_DCHECK(!native_type_.locked, 25 "Recursive InterruptSpinLock::lock() detected"); 26 native_type_.key = k_spin_lock(&native_type_.lock); 27 native_type_.locked = true; 28 } 29 unlock()30void InterruptSpinLock::unlock() { 31 native_type_.locked = false; 32 k_spin_unlock(&native_type_.lock, native_type_.key); 33 } 34 35 } // namespace pw::sync 36