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/* SPDX-License-Identifier: MIT */
/*
* Description: Test that created thread that sets up a ring and causes io-wq
* worker creation doesn't need to wait for io-wq idle worker
* timeout to exit.
*
*/
#include <fcntl.h>
#include <pthread.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include "liburing.h"
#include "helpers.h"
#define BUF_LEN 20
static void *test(void *data)
{
int fd_src = -1, fd_dst = -1, pipe_fds[2] = { -1, -1 };
uint8_t buffer_write[BUF_LEN], buffer_read[BUF_LEN];
char dst_fname[PATH_MAX], src_fname[PATH_MAX];
struct io_uring_sqe *sqe;
struct io_uring_cqe *cqe;
struct io_uring ring;
int ret;
ret = io_uring_queue_init(4, &ring, 0);
if (ret < 0) {
fprintf(stderr, "io_uring_queue_init failed: %d\n", ret);
return NULL;
}
sprintf(src_fname, ".splice.%d.src", getpid());
fd_src = open(src_fname, O_RDWR | O_CREAT | O_TRUNC, 0644);
if (fd_src < 0) {
perror("open source");
goto cleanup;
}
sprintf(dst_fname, ".splice.%d.dst", getpid());
fd_dst = open(dst_fname, O_RDWR | O_CREAT | O_TRUNC, 0644);
if (fd_dst < 0) {
perror("open destination");
goto cleanup;
}
memset(buffer_write, 97, BUF_LEN);
memset(buffer_read, 98, BUF_LEN);
ret = pwrite(fd_src, buffer_write, BUF_LEN, 0);
if (ret < 0) {
perror("pwrite src");
goto cleanup;
}
if (pipe(pipe_fds) < 0) {
perror("pipe");
goto cleanup;
}
sqe = io_uring_get_sqe(&ring);
io_uring_prep_splice(sqe, fd_src, 0, pipe_fds[1], -1, 20, 0);
sqe->user_data = 1;
sqe = io_uring_get_sqe(&ring);
io_uring_prep_splice(sqe, pipe_fds[0], -1, fd_dst, 10, 20, 0);
sqe->user_data = 2;
io_uring_submit(&ring);
ret = io_uring_wait_cqe(&ring, &cqe);
if (ret) {
fprintf(stderr, "wait cqe %d\n", ret);
goto cleanup;
}
io_uring_cqe_seen(&ring, cqe);
ret = io_uring_wait_cqe(&ring, &cqe);
if (ret) {
fprintf(stderr, "wait cqe %d\n", ret);
goto cleanup;
}
io_uring_cqe_seen(&ring, cqe);
cleanup:
if (pipe_fds[0] != -1)
close(pipe_fds[0]);
if (pipe_fds[1] != -1)
close(pipe_fds[1]);
if (fd_src != -1)
close(fd_src);
if (fd_src != -1)
close(fd_dst);
io_uring_queue_exit(&ring);
unlink(src_fname);
unlink(dst_fname);
return NULL;
}
static long get_time_ns(void)
{
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
return ts.tv_sec * 1000000000L + ts.tv_nsec;
}
int main(int argc, char *argv[])
{
pthread_t thread;
long start, end;
if (argc > 1)
return T_EXIT_SKIP;
start = get_time_ns();
pthread_create(&thread, NULL, test, NULL);
pthread_join(thread, NULL);
end = get_time_ns();
end -= start;
end /= 1000000;
if (end >= 500) {
fprintf(stderr, "Test took too long: %lu msec\n", end);
return T_EXIT_FAIL;
}
return T_EXIT_PASS;
}
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