46 lines
888 B
C
46 lines
888 B
C
/* SPDX-License-Identifier: MIT */
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/*
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* Test if entering with nothing to submit/wait for SQPOLL returns an error.
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*/
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include "liburing.h"
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#include "helpers.h"
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#include "../src/syscall.h"
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int main(int argc, char *argv[])
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{
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struct io_uring_params p = {};
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struct io_uring ring;
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int ret;
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if (argc > 1)
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return 0;
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p.flags = IORING_SETUP_SQPOLL;
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p.sq_thread_idle = 100;
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ret = t_create_ring_params(1, &ring, &p);
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if (ret == T_SETUP_SKIP)
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return 0;
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else if (ret < 0)
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goto err;
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ret = __sys_io_uring_enter(ring.ring_fd, 0, 0, 0, NULL);
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if (ret < 0) {
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int __e = errno;
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if (__e == EOWNERDEAD)
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fprintf(stderr, "sqe submit unexpected failure due old kernel bug: %s\n", strerror(__e));
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else
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fprintf(stderr, "sqe submit unexpected failure: %s\n", strerror(__e));
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goto err;
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}
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return 0;
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err:
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return 1;
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}
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