mirror of https://github.com/grpc/grpc.git
David Garcia Quintas
9 years ago
parent
3b31fdf77b
commit
1399e466b0
45 changed files with 214 additions and 317 deletions
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/*
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* |
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* Copyright 2015, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#ifndef GRPC_IMPL_CODEGEN_TIME_H |
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#define GRPC_IMPL_CODEGEN_TIME_H |
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/* Time support.
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We use gpr_timespec, which is analogous to struct timespec. On some |
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machines, absolute times may be in local time. */ |
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#include <grpc/impl/codegen/grpc_types.h> |
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#include <grpc/impl/codegen/port_platform.h> |
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#include <stddef.h> |
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#include <time.h> |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* Time constants. */ |
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GPRAPI gpr_timespec |
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gpr_time_0(gpr_clock_type type); /* The zero time interval. */ |
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GPRAPI gpr_timespec gpr_inf_future(gpr_clock_type type); /* The far future */ |
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GPRAPI gpr_timespec gpr_inf_past(gpr_clock_type type); /* The far past. */ |
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#define GPR_MS_PER_SEC 1000 |
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#define GPR_US_PER_SEC 1000000 |
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#define GPR_NS_PER_SEC 1000000000 |
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#define GPR_NS_PER_MS 1000000 |
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#define GPR_NS_PER_US 1000 |
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#define GPR_US_PER_MS 1000 |
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/* initialize time subsystem */ |
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GPRAPI void gpr_time_init(void); |
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/* Return the current time measured from the given clocks epoch. */ |
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GPRAPI gpr_timespec gpr_now(gpr_clock_type clock); |
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/* Convert a timespec from one clock to another */ |
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GPRAPI gpr_timespec gpr_convert_clock_type(gpr_timespec t, |
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gpr_clock_type target_clock); |
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/* Return -ve, 0, or +ve according to whether a < b, a == b, or a > b
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respectively. */ |
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GPRAPI int gpr_time_cmp(gpr_timespec a, gpr_timespec b); |
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GPRAPI gpr_timespec gpr_time_max(gpr_timespec a, gpr_timespec b); |
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GPRAPI gpr_timespec gpr_time_min(gpr_timespec a, gpr_timespec b); |
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/* Add and subtract times. Calculations saturate at infinities. */ |
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GPRAPI gpr_timespec gpr_time_add(gpr_timespec a, gpr_timespec b); |
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GPRAPI gpr_timespec gpr_time_sub(gpr_timespec a, gpr_timespec b); |
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/* Return a timespec representing a given number of time units. INT64_MIN is
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interpreted as gpr_inf_past, and INT64_MAX as gpr_inf_future. */ |
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GPRAPI gpr_timespec gpr_time_from_micros(int64_t x, gpr_clock_type clock_type); |
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GPRAPI gpr_timespec gpr_time_from_nanos(int64_t x, gpr_clock_type clock_type); |
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GPRAPI gpr_timespec gpr_time_from_millis(int64_t x, gpr_clock_type clock_type); |
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GPRAPI gpr_timespec gpr_time_from_seconds(int64_t x, gpr_clock_type clock_type); |
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GPRAPI gpr_timespec gpr_time_from_minutes(int64_t x, gpr_clock_type clock_type); |
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GPRAPI gpr_timespec gpr_time_from_hours(int64_t x, gpr_clock_type clock_type); |
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GPRAPI int32_t gpr_time_to_millis(gpr_timespec timespec); |
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/* Return 1 if two times are equal or within threshold of each other,
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0 otherwise */ |
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GPRAPI int gpr_time_similar(gpr_timespec a, gpr_timespec b, |
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gpr_timespec threshold); |
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/* Sleep until at least 'until' - an absolute timeout */ |
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GPRAPI void gpr_sleep_until(gpr_timespec until); |
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GPRAPI double gpr_timespec_to_micros(gpr_timespec t); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* GRPC_IMPL_CODEGEN_TIME_H */ |
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