diff options
Diffstat (limited to 'include/grpc/support/time.h')
-rw-r--r-- | include/grpc/support/time.h | 93 |
1 files changed, 2 insertions, 91 deletions
diff --git a/include/grpc/support/time.h b/include/grpc/support/time.h index d2607f3e95..2c7f8533a2 100644 --- a/include/grpc/support/time.h +++ b/include/grpc/support/time.h @@ -1,6 +1,6 @@ /* * - * Copyright 2015, Google Inc. + * Copyright 2015-2016, Google Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -33,96 +33,7 @@ #ifndef GRPC_SUPPORT_TIME_H #define GRPC_SUPPORT_TIME_H -/* Time support. - We use gpr_timespec, which is analogous to struct timespec. On some - machines, absolute times may be in local time. */ -#include <grpc/support/port_platform.h> -#include <stddef.h> -#include <time.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; - -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; - -/* Time constants. */ -gpr_timespec gpr_time_0(gpr_clock_type type); /* The zero time interval. */ -gpr_timespec gpr_inf_future(gpr_clock_type type); /* The far future */ -gpr_timespec gpr_inf_past(gpr_clock_type type); /* The far past. */ - -#define GPR_MS_PER_SEC 1000 -#define GPR_US_PER_SEC 1000000 -#define GPR_NS_PER_SEC 1000000000 -#define GPR_NS_PER_MS 1000000 -#define GPR_NS_PER_US 1000 -#define GPR_US_PER_MS 1000 - -/* initialize time subsystem */ -void gpr_time_init(void); - -/* Return the current time measured from the given clocks epoch. */ -gpr_timespec gpr_now(gpr_clock_type clock); - -/* Convert a timespec from one clock to another */ -gpr_timespec gpr_convert_clock_type(gpr_timespec t, - gpr_clock_type target_clock); - -/* Return -ve, 0, or +ve according to whether a < b, a == b, or a > b - respectively. */ -int gpr_time_cmp(gpr_timespec a, gpr_timespec b); - -gpr_timespec gpr_time_max(gpr_timespec a, gpr_timespec b); -gpr_timespec gpr_time_min(gpr_timespec a, gpr_timespec b); - -/* Add and subtract times. Calculations saturate at infinities. */ -gpr_timespec gpr_time_add(gpr_timespec a, gpr_timespec b); -gpr_timespec gpr_time_sub(gpr_timespec a, gpr_timespec b); - -/* Return a timespec representing a given number of time units. LONG_MIN is - interpreted as gpr_inf_past, and LONG_MAX as gpr_inf_future. */ -gpr_timespec gpr_time_from_micros(long x, gpr_clock_type clock_type); -gpr_timespec gpr_time_from_nanos(long x, gpr_clock_type clock_type); -gpr_timespec gpr_time_from_millis(long x, gpr_clock_type clock_type); -gpr_timespec gpr_time_from_seconds(long x, gpr_clock_type clock_type); -gpr_timespec gpr_time_from_minutes(long x, gpr_clock_type clock_type); -gpr_timespec gpr_time_from_hours(long x, gpr_clock_type clock_type); - -int32_t gpr_time_to_millis(gpr_timespec timespec); - -/* Return 1 if two times are equal or within threshold of each other, - 0 otherwise */ -int gpr_time_similar(gpr_timespec a, gpr_timespec b, gpr_timespec threshold); - -/* Sleep until at least 'until' - an absolute timeout */ -void gpr_sleep_until(gpr_timespec until); - -double gpr_timespec_to_micros(gpr_timespec t); - -#ifdef __cplusplus -} -#endif +#include <grpc/impl/codegen/time.h> #endif /* GRPC_SUPPORT_TIME_H */ |