1
2 #include <sys/types.h>
3 #include <sys/event.h>
4 #include <sys/time.h>
5 #include <sys/socket.h>
6 #include <sysexits.h>
7
8 #include <err.h>
9 #include <stdio.h>
10 #include <stdlib.h>
11 #include <unistd.h>
12
13 int
main()14 main()
15 {
16 int sock[2];
17 struct kevent kc;
18 int kq;
19 char foo[1024];
20
21 if (socketpair(PF_LOCAL, SOCK_STREAM, 0, sock) < 0)
22 err(EX_TEMPFAIL, "socketpair");
23
24 if (write(sock[0], foo, sizeof(foo)) < 0)
25 err(EX_TEMPFAIL, "write");
26
27 close(sock[0]);
28
29 EV_SET(&kc, sock[1], EVFILT_READ, EV_ADD | EV_CLEAR, 0, 0, 0);
30
31 kq = kqueue();
32 if (kevent(kq, &kc, 1, NULL, 0, NULL) < 0)
33 err(EX_TEMPFAIL, "kqueue");
34
35 if (kevent(kq, NULL, 0, &kc, 1, NULL) < 0)
36 err(EX_TEMPFAIL, "kevent1");
37 printf("kevent1 done, flags: %04x\n", kc.flags);
38
39 if (kc.flags & EV_EOF) {
40 printf("kevent1 reported EOF, exiting\n");
41 exit(0);
42 }
43
44 if (kevent(kq, NULL, 0, &kc, 1, NULL) < 0)
45 err(EX_TEMPFAIL, "kevent2");
46 printf("kevent2 done, flags: %04x\n", kc.flags);
47
48 exit(0);
49 }
50