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- /*
- * Copyright 2016-present Facebook, Inc.
- *
- * 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
- *
- * http://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
- #if defined(__ELF__) && (defined(__x86_64__) || defined(__i386__))
- #include <folly/tracing/StaticTracepoint-ELFx86.h>
- #define FOLLY_SDT(provider, name, ...) \
- FOLLY_SDT_PROBE_N( \
- provider, name, 0, FOLLY_SDT_NARG(0, ##__VA_ARGS__), ##__VA_ARGS__)
- // Use FOLLY_SDT_DEFINE_SEMAPHORE(provider, name) to define the semaphore
- // as global variable before using the FOLLY_SDT_WITH_SEMAPHORE macro
- #define FOLLY_SDT_WITH_SEMAPHORE(provider, name, ...) \
- FOLLY_SDT_PROBE_N( \
- provider, name, 1, FOLLY_SDT_NARG(0, ##__VA_ARGS__), ##__VA_ARGS__)
- #define FOLLY_SDT_IS_ENABLED(provider, name) \
- (FOLLY_SDT_SEMAPHORE(provider, name) > 0)
- #else
- #define FOLLY_SDT(provider, name, ...) \
- do { \
- } while (0)
- #define FOLLY_SDT_WITH_SEMAPHORE(provider, name, ...) \
- do { \
- } while (0)
- #define FOLLY_SDT_IS_ENABLED(provider, name) (false)
- #define FOLLY_SDT_DEFINE_SEMAPHORE(provider, name)
- #define FOLLY_SDT_DECLARE_SEMAPHORE(provider, name)
- #endif
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