2 * Copyright 2015 Facebook, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef FOLLY_DETAIL_CLOCK_H_
18 #define FOLLY_DETAIL_CLOCK_H_
23 #include <folly/Portability.h>
25 #if FOLLY_HAVE_CLOCK_GETTIME
26 #error This should only be used as a workaround for platforms \
27 that do not support clock_gettime(2).
30 /* For windows, we'll use pthread's time implementations */
33 #include <pthread_time.h>
35 typedef uint8_t clockid_t;
36 #define CLOCK_REALTIME 0
38 int clock_gettime(clockid_t clk_id, struct timespec* ts);
39 int clock_getres(clockid_t clk_id, struct timespec* ts);
42 #endif /* FOLLY_DETAIL_CLOCK_H_ */