filesetup: fix dead assignment of 'ret'
[fio.git] / gettime.h
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1#ifndef FIO_GETTIME_H
2#define FIO_GETTIME_H
3
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4#include <sys/time.h>
5
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6#include "arch/arch.h"
7
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8/*
9 * Clock sources
10 */
11enum fio_cs {
12 CS_GTOD = 1,
13 CS_CGETTIME,
14 CS_CPUCLOCK,
01423eae 15 CS_INVAL,
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16};
17
8b6a404c 18extern void fio_gettime(struct timespec *, void *);
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19extern void fio_gtod_init(void);
20extern void fio_clock_init(void);
21extern int fio_start_gtod_thread(void);
aad918e4 22extern int fio_monotonic_clocktest(int debug);
5d879392 23extern void fio_local_clock_init(int);
a7346816 24
8b6a404c 25extern struct timespec *fio_ts;
39ab7da2 26
8b6a404c 27static inline int fio_gettime_offload(struct timespec *ts)
27325ed5 28{
76b4a7ef 29 time_t last_sec;
27325ed5 30
8b6a404c 31 if (!fio_ts)
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32 return 0;
33
34 do {
35 read_barrier();
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36 last_sec = ts->tv_sec = fio_ts->tv_sec;
37 ts->tv_nsec = fio_ts->tv_nsec;
38 } while (fio_ts->tv_sec != last_sec);
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39
40 return 1;
41}
42
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43extern void fio_gtod_set_cpu(unsigned int cpu);
44
a7346816 45#endif