94 lines
1.8 KiB
C
94 lines
1.8 KiB
C
/* SPDX-License-Identifier: MIT */
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#include <stdio.h>
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#include <time.h>
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#include <sys/time.h>
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#include "liburing.h"
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static unsigned long long mtime_since(const struct timeval *s,
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const struct timeval *e)
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{
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long long sec, usec;
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sec = e->tv_sec - s->tv_sec;
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usec = (e->tv_usec - s->tv_usec);
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if (sec > 0 && usec < 0) {
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sec--;
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usec += 1000000;
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}
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sec *= 1000;
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usec /= 1000;
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return sec + usec;
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}
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static unsigned long long mtime_since_now(struct timeval *tv)
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{
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struct timeval end;
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gettimeofday(&end, NULL);
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return mtime_since(tv, &end);
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}
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int main(int argc, char *argv[])
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{
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struct __kernel_timespec ts1, ts2;
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struct io_uring_cqe *cqe;
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struct io_uring_sqe *sqe;
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struct io_uring ring;
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unsigned long msec;
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struct timeval tv;
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int ret;
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if (argc > 1)
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return 0;
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ret = io_uring_queue_init(32, &ring, 0);
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if (ret) {
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fprintf(stderr, "io_uring_queue_init=%d\n", ret);
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return 1;
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}
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sqe = io_uring_get_sqe(&ring);
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io_uring_prep_nop(sqe);
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ret = io_uring_submit(&ring);
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if (ret != 1) {
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fprintf(stderr, "io_uring_submit1=%d\n", ret);
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return 1;
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}
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ts1.tv_sec = 5,
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ts1.tv_nsec = 0;
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ret = io_uring_wait_cqe_timeout(&ring, &cqe, &ts1);
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if (ret) {
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fprintf(stderr, "io_uring_wait_cqe_timeout=%d\n", ret);
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return 1;
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}
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io_uring_cqe_seen(&ring, cqe);
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gettimeofday(&tv, NULL);
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ts2.tv_sec = 1;
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ts2.tv_nsec = 0;
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sqe = io_uring_get_sqe(&ring);
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io_uring_prep_timeout(sqe, &ts2, 0, 0);
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sqe->user_data = 89;
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ret = io_uring_submit(&ring);
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if (ret != 1) {
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fprintf(stderr, "io_uring_submit2=%d\n", ret);
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return 1;
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}
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io_uring_wait_cqe(&ring, &cqe);
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io_uring_cqe_seen(&ring, cqe);
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msec = mtime_since_now(&tv);
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if (msec >= 900 && msec <= 1100) {
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io_uring_queue_exit(&ring);
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return 0;
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}
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fprintf(stderr, "%s: Timeout seems wonky (got %lu)\n", __FUNCTION__,
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msec);
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io_uring_queue_exit(&ring);
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return 1;
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}
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