Cedric Roux
339353a96c
Prior to this commit, the following command failed to build dlsim:
./build_oai --phy_simulators -c
Choice has been made to define it in a .h file as a static inline
function.
24 lines
585 B
C
24 lines
585 B
C
#ifndef _TIME_UTILS_H_
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#define _TIME_UTILS_H_
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#include <time.h>
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#include <stdint.h>
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static inline int64_t clock_difftime_ns(struct timespec start, struct timespec end)
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{
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struct timespec temp;
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int64_t temp_ns;
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if ((end.tv_nsec-start.tv_nsec)<0) {
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temp.tv_sec = end.tv_sec-start.tv_sec-1;
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temp.tv_nsec = 1000000000+end.tv_nsec-start.tv_nsec;
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} else {
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temp.tv_sec = end.tv_sec-start.tv_sec;
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temp.tv_nsec = end.tv_nsec-start.tv_nsec;
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}
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temp_ns = (int64_t)(temp.tv_sec) * (int64_t)1000000000 + (temp.tv_nsec);
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return temp_ns;
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}
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#endif /* _TIME_UTILS_H_ */
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