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			120 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			120 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C
		
	
	
	
| /* Useful functions for tests that use struct timespec.
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|    Copyright (C) 2019-2024 Free Software Foundation, Inc.
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|    This file is part of the GNU C Library.
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| 
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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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| 
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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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| 
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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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| 
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| #ifndef SUPPORT_TIMESPEC_H
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| #define SUPPORT_TIMESPEC_H
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| 
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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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| 
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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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| 
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| enum { TIMESPEC_HZ = 1000000000 };
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| 
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| #ifndef __USE_TIME64_REDIRECTS
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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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| 
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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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| 
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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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| 
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| time_t support_timespec_ns (struct timespec time);
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| 
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| struct timespec support_timespec_normalize (struct timespec time);
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| 
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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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| 
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| struct timespec dtotimespec (double sec) __attribute__((const));
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| struct timespec __REDIRECT (dtotimespec, (double sec), dtotimespec_time64);
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| #endif
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| #endif /* SUPPORT_TIMESPEC_H */
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