1/*
2 *
3 * Copyright 2016 gRPC authors.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 */
18
19#ifndef GRPC_IMPL_CODEGEN_GPR_TYPES_H
20#define GRPC_IMPL_CODEGEN_GPR_TYPES_H
21
22// IWYU pragma: private, include <grpc/grpc.h>
23// IWYU pragma: friend "src/.*"
24
25#include <grpc/impl/codegen/port_platform.h>
26
27#include <stddef.h>
28
29#ifdef __cplusplus
30extern "C" {
31#endif
32
33/** The clocks we support. */
34typedef enum {
35 /** Monotonic clock. Epoch undefined. Always moves forwards. */
36 GPR_CLOCK_MONOTONIC = 0,
37 /** Realtime clock. May jump forwards or backwards. Settable by
38 the system administrator. Has its epoch at 0:00:00 UTC 1 Jan 1970. */
39 GPR_CLOCK_REALTIME,
40 /** CPU cycle time obtained by rdtsc instruction on x86 platforms. Epoch
41 undefined. Degrades to GPR_CLOCK_REALTIME on other platforms. */
42 GPR_CLOCK_PRECISE,
43 /** Unmeasurable clock type: no base, created by taking the difference
44 between two times */
45 GPR_TIMESPAN
46} gpr_clock_type;
47
48/** Analogous to struct timespec. On some machines, absolute times may be in
49 * local time. */
50typedef struct gpr_timespec {
51 int64_t tv_sec;
52 int32_t tv_nsec;
53 /** Against which clock was this time measured? (or GPR_TIMESPAN if
54 this is a relative time measure) */
55 gpr_clock_type clock_type;
56} gpr_timespec;
57
58#ifdef __cplusplus
59}
60#endif
61
62#endif /* GRPC_IMPL_CODEGEN_GPR_TYPES_H */
63

source code of include/grpc/impl/codegen/gpr_types.h