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116 lines
4.4 KiB
C
116 lines
4.4 KiB
C
/* Useful functions for tests that use struct timespec.
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Copyright (C) 2019-2023 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef SUPPORT_TIMESPEC_H
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#define SUPPORT_TIMESPEC_H
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#include <stdio.h>
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#include <time.h>
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#include <support/check.h>
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#include <support/xtime.h>
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static inline struct timespec
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make_timespec (time_t s, long int ns)
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{
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struct timespec r;
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r.tv_sec = s;
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r.tv_nsec = ns;
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return r;
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}
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enum { TIMESPEC_HZ = 1000000000 };
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#ifndef __USE_TIME_BITS64
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struct timespec timespec_add (struct timespec, struct timespec)
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__attribute__((const));
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struct timespec timespec_sub (struct timespec, struct timespec)
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__attribute__((const));
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void test_timespec_before_impl (const char *file, int line,
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struct timespec left,
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struct timespec right);
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void test_timespec_equal_or_after_impl (const char *file, int line,
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struct timespec left,
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struct timespec right);
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time_t support_timespec_ns (struct timespec time);
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struct timespec support_timespec_normalize (struct timespec time);
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int support_timespec_check_in_range (struct timespec expected,
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struct timespec observed,
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double lower_bound, double upper_bound);
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#else
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struct timespec __REDIRECT (timespec_add, (struct timespec, struct timespec),
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timespec_add_time64);
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struct timespec __REDIRECT (timespec_sub, (struct timespec, struct timespec),
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timespec_sub_time64);
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void __REDIRECT (test_timespec_before_impl, (const char *file, int line,
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struct timespec left,
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struct timespec right),
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test_timespec_before_impl_time64);
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void __REDIRECT (test_timespec_equal_or_after_impl, (const char *f, int line,
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struct timespec left,
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struct timespec right),
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test_timespec_equal_or_after_impl_time64);
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time_t __REDIRECT (support_timespec_ns, (struct timespec time),
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support_timespec_ns_time64);
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struct timespec __REDIRECT (support_timespec_normalize, (struct timespec time),
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support_timespec_normalize_time64);
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int __REDIRECT (support_timespec_check_in_range, (struct timespec expected,
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struct timespec observed,
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double lower_bound,
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double upper_bound),
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support_timespec_check_in_range_time64);
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#endif
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/* Check that the timespec on the left represents a time before the
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time on the right. */
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#define TEST_TIMESPEC_BEFORE(left, right) \
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test_timespec_before_impl (__FILE__, __LINE__, (left), (right))
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#define TEST_TIMESPEC_BEFORE_NOW(left, clockid) \
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({ \
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struct timespec now; \
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const int saved_errno = errno; \
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xclock_gettime ((clockid), &now); \
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TEST_TIMESPEC_BEFORE ((left), now); \
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errno = saved_errno; \
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})
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/* Check that the timespec on the left represents a time equal to or
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after the time on the right. */
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#define TEST_TIMESPEC_EQUAL_OR_AFTER(left, right) \
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test_timespec_equal_or_after_impl (__FILE__, __LINE__, left, right)
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#define TEST_TIMESPEC_NOW_OR_AFTER(clockid, right) \
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({ \
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struct timespec now; \
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const int saved_errno = errno; \
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xclock_gettime ((clockid), &now); \
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TEST_TIMESPEC_EQUAL_OR_AFTER (now, (right)); \
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errno = saved_errno; \
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})
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#endif /* SUPPORT_TIMESPEC_H */
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