1 // Copyright 2020 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef THIRD_PARTY_BASE_CHECK_H_ 6 #define THIRD_PARTY_BASE_CHECK_H_ 7 8 #include <assert.h> 9 10 #include "build/build_config.h" 11 #include "third_party/base/compiler_specific.h" 12 #include "third_party/base/immediate_crash.h" 13 14 #define CHECK(condition) \ 15 do { \ 16 if (UNLIKELY(!(condition))) { \ 17 IMMEDIATE_CRASH(); \ 18 } \ 19 } while (0) 20 21 #if defined(NDEBUG) && !defined(DCHECK_ALWAYS_ON) 22 #define DCHECK_IS_ON() 0 23 #else 24 #define DCHECK_IS_ON() 1 25 #endif 26 27 // Debug mode: Use assert() for better diagnostics 28 // Release mode, DCHECK_ALWAYS_ON: Use CHECK() since assert() is a no-op. 29 // Release mode, no DCHECK_ALWAYS_ON: Use assert(), which is a no-op. 30 #if defined(NDEBUG) && defined(DCHECK_ALWAYS_ON) 31 #define DCHECK CHECK 32 #else 33 #define DCHECK assert 34 #endif 35 36 #endif // THIRD_PARTY_BASE_CHECK_H_ 37