1*25da2beaSAndroid Build Coastguard Worker /* SPDX-License-Identifier: MIT */
2*25da2beaSAndroid Build Coastguard Worker #include <stdint.h>
3*25da2beaSAndroid Build Coastguard Worker #include <stdio.h>
4*25da2beaSAndroid Build Coastguard Worker #include <stdlib.h>
5*25da2beaSAndroid Build Coastguard Worker #include <string.h>
6*25da2beaSAndroid Build Coastguard Worker #include <sys/types.h>
7*25da2beaSAndroid Build Coastguard Worker #include <sys/wait.h>
8*25da2beaSAndroid Build Coastguard Worker #include <unistd.h>
9*25da2beaSAndroid Build Coastguard Worker #include <errno.h>
10*25da2beaSAndroid Build Coastguard Worker
11*25da2beaSAndroid Build Coastguard Worker #include "liburing.h"
12*25da2beaSAndroid Build Coastguard Worker
loop(void)13*25da2beaSAndroid Build Coastguard Worker static void loop(void)
14*25da2beaSAndroid Build Coastguard Worker {
15*25da2beaSAndroid Build Coastguard Worker int i, ret = 0;
16*25da2beaSAndroid Build Coastguard Worker
17*25da2beaSAndroid Build Coastguard Worker for (i = 0; i < 100; i++) {
18*25da2beaSAndroid Build Coastguard Worker struct io_uring ring;
19*25da2beaSAndroid Build Coastguard Worker int fd;
20*25da2beaSAndroid Build Coastguard Worker
21*25da2beaSAndroid Build Coastguard Worker memset(&ring, 0, sizeof(ring));
22*25da2beaSAndroid Build Coastguard Worker fd = io_uring_queue_init(0xa4, &ring, 0);
23*25da2beaSAndroid Build Coastguard Worker if (fd >= 0) {
24*25da2beaSAndroid Build Coastguard Worker close(fd);
25*25da2beaSAndroid Build Coastguard Worker continue;
26*25da2beaSAndroid Build Coastguard Worker }
27*25da2beaSAndroid Build Coastguard Worker if (fd != -ENOMEM)
28*25da2beaSAndroid Build Coastguard Worker ret++;
29*25da2beaSAndroid Build Coastguard Worker }
30*25da2beaSAndroid Build Coastguard Worker exit(ret);
31*25da2beaSAndroid Build Coastguard Worker }
32*25da2beaSAndroid Build Coastguard Worker
main(int argc,char * argv[])33*25da2beaSAndroid Build Coastguard Worker int main(int argc, char *argv[])
34*25da2beaSAndroid Build Coastguard Worker {
35*25da2beaSAndroid Build Coastguard Worker int i, ret, status;
36*25da2beaSAndroid Build Coastguard Worker
37*25da2beaSAndroid Build Coastguard Worker if (argc > 1)
38*25da2beaSAndroid Build Coastguard Worker return 0;
39*25da2beaSAndroid Build Coastguard Worker
40*25da2beaSAndroid Build Coastguard Worker for (i = 0; i < 12; i++) {
41*25da2beaSAndroid Build Coastguard Worker if (!fork()) {
42*25da2beaSAndroid Build Coastguard Worker loop();
43*25da2beaSAndroid Build Coastguard Worker break;
44*25da2beaSAndroid Build Coastguard Worker }
45*25da2beaSAndroid Build Coastguard Worker }
46*25da2beaSAndroid Build Coastguard Worker
47*25da2beaSAndroid Build Coastguard Worker ret = 0;
48*25da2beaSAndroid Build Coastguard Worker for (i = 0; i < 12; i++) {
49*25da2beaSAndroid Build Coastguard Worker if (waitpid(-1, &status, 0) < 0) {
50*25da2beaSAndroid Build Coastguard Worker perror("waitpid");
51*25da2beaSAndroid Build Coastguard Worker return 1;
52*25da2beaSAndroid Build Coastguard Worker }
53*25da2beaSAndroid Build Coastguard Worker if (WEXITSTATUS(status))
54*25da2beaSAndroid Build Coastguard Worker ret++;
55*25da2beaSAndroid Build Coastguard Worker }
56*25da2beaSAndroid Build Coastguard Worker
57*25da2beaSAndroid Build Coastguard Worker return ret;
58*25da2beaSAndroid Build Coastguard Worker }
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