/* * * 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 // IWYU pragma: private #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 measure) */ gpr_clock_type clock_type; } gpr_timespec; #ifdef __cplusplus } #endif #endif /* GRPC_IMPL_CODEGEN_GPR_TYPES_H */