| /* |
| * |
| * Copyright 2016 gRPC 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 |
| * |
| * 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. |
| * |
| */ |
| |
| #ifndef GRPC_IMPL_CODEGEN_GPR_TYPES_H |
| #define GRPC_IMPL_CODEGEN_GPR_TYPES_H |
| |
| #include <grpc/impl/codegen/port_platform.h> |
| |
| #include <stddef.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** The clocks we support. */ |
| typedef enum { |
| /** Monotonic clock. Epoch undefined. Always moves forwards. */ |
| GPR_CLOCK_MONOTONIC = 0, |
| /** Realtime clock. May jump forwards or backwards. Settable by |
| the system administrator. Has its epoch at 0:00:00 UTC 1 Jan 1970. */ |
| GPR_CLOCK_REALTIME, |
| /** CPU cycle time obtained by rdtsc instruction on x86 platforms. Epoch |
| undefined. Degrades to GPR_CLOCK_REALTIME on other platforms. */ |
| GPR_CLOCK_PRECISE, |
| /** Unmeasurable clock type: no base, created by taking the difference |
| between two times */ |
| GPR_TIMESPAN |
| } gpr_clock_type; |
| |
| /** Analogous to struct timespec. On some machines, absolute times may be in |
| * local time. */ |
| typedef struct gpr_timespec { |
| int64_t tv_sec; |
| int32_t tv_nsec; |
| /** Against which clock was this time measured? (or GPR_TIMESPAN if |
| this is a relative time meaure) */ |
| gpr_clock_type clock_type; |
| } gpr_timespec; |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* GRPC_IMPL_CODEGEN_GPR_TYPES_H */ |