aboutsummaryrefslogtreecommitdiff
path: root/pw_interrupt/public/pw_interrupt/context.h
blob: 6b8bd123a7bda8ab0353823917d9c19d0f24a9cb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
// Copyright 2020 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.
#pragma once

namespace pw::interrupt {

// Returns true if currently executing within an interrupt service routine
// handling an IRQ or NMI.
bool InInterruptContext();

}  // namespace pw::interrupt

// The backend can opt to include an inlined implementation of the following:
//   bool InInterruptContext();
#if __has_include("pw_interrupt_backend/context_inline.h")
#include "pw_interrupt_backend/context_inline.h"
#endif  // __has_include("pw_interrupt_backend/context_inline.h")