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#include "../config-host.h"
/* SPDX-License-Identifier: MIT */
/*
* Description: test a mem leak with IOPOLL
*/
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/wait.h>
#include "helpers.h"
#include "liburing.h"
#define FILE_SIZE (128 * 1024)
#define BS 4096
#define BUFFERS (FILE_SIZE / BS)
static int do_iopoll(const char *fname)
{
struct io_uring_sqe *sqe;
struct io_uring ring;
struct iovec *iov;
int fd;
fd = open(fname, O_RDONLY | O_DIRECT);
if (fd < 0) {
if (errno == EINVAL || errno == EPERM || errno == EACCES)
return T_EXIT_SKIP;
perror("open");
return T_EXIT_SKIP;
}
iov = t_create_buffers(1, 4096);
t_create_ring(2, &ring, IORING_SETUP_IOPOLL);
sqe = io_uring_get_sqe(&ring);
io_uring_prep_read(sqe, fd, iov->iov_base, iov->iov_len, 0);
io_uring_submit(&ring);
close(fd);
free(iov->iov_base);
free(iov);
return T_EXIT_PASS;
}
static int test(const char *fname)
{
if (fork()) {
int stat;
wait(&stat);
return WEXITSTATUS(stat);
} else {
int ret;
ret = do_iopoll(fname);
exit(ret);
}
}
int main(int argc, char *argv[])
{
char buf[256];
char *fname;
int i, ret;
if (argc > 1) {
fname = argv[1];
} else {
srand((unsigned)time(NULL));
snprintf(buf, sizeof(buf), ".iopoll-leak-%u-%u",
(unsigned)rand(), (unsigned)getpid());
fname = buf;
t_create_file(fname, FILE_SIZE);
}
for (i = 0; i < 16; i++) {
ret = test(fname);
if (ret == T_EXIT_SKIP || ret == T_EXIT_FAIL)
break;
}
if (fname != argv[1])
unlink(fname);
return ret;
}
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