35 lines
955 B
C
35 lines
955 B
C
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/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright (c) 2017 Cyril Hrubis <chrubis@suse.cz>
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*/
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/*
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* clock_gettime() and clock_getres() functions
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*/
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#ifndef TST_CLOCKS__
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#define TST_CLOCKS__
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int tst_clock_getres(clockid_t clk_id, struct timespec *res);
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int tst_clock_gettime(clockid_t clk_id, struct timespec *ts);
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int tst_clock_settime(clockid_t clk_id, struct timespec *ts);
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/*
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* Converts clock id to a readable name.
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*/
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const char *tst_clock_name(clockid_t clk_id);
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/*
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* Returns current system time for file/IPC operations, which may slightly lag
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* behind time() return values.
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*
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* The reason for this is that the time() syscall reads the nanosecond timer at
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* the time of the call and adds it to the kernel current time, because of that
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* accumulation may cause it jump one second ahead compared to the kernel time
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* stamp that is used for IPC and filesystems.
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*/
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time_t tst_get_fs_timestamp(void);
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#endif /* TST_CLOCKS__ */
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