Haibo Huang | b227967 | 2019-05-31 16:12:39 -0700 | [diff] [blame] | 1 | include(CheckCSourceRuns) |
| 2 | |
| 3 | check_c_source_runs( |
| 4 | " |
| 5 | #include <sys/types.h> |
| 6 | #include <sys/time.h> |
| 7 | #include <sys/event.h> |
| 8 | #include <stdio.h> |
| 9 | #include <unistd.h> |
| 10 | #include <fcntl.h> |
| 11 | |
| 12 | int |
| 13 | main(int argc, char **argv) |
| 14 | { |
| 15 | int kq; |
| 16 | int n; |
| 17 | int fd[2]; |
| 18 | struct kevent ev; |
| 19 | struct timespec ts; |
| 20 | char buf[80000]; |
| 21 | |
| 22 | if (pipe(fd) == -1) |
| 23 | exit(1); |
| 24 | if (fcntl(fd[1], F_SETFL, O_NONBLOCK) == -1) |
| 25 | exit(1); |
| 26 | |
| 27 | while ((n = write(fd[1], buf, sizeof(buf))) == sizeof(buf)) |
| 28 | ; |
| 29 | |
| 30 | if ((kq = kqueue()) == -1) |
| 31 | exit(1); |
| 32 | |
| 33 | memset(&ev, 0, sizeof(ev)); |
| 34 | ev.ident = fd[1]; |
| 35 | ev.filter = EVFILT_WRITE; |
| 36 | ev.flags = EV_ADD | EV_ENABLE; |
| 37 | n = kevent(kq, &ev, 1, NULL, 0, NULL); |
| 38 | if (n == -1) |
| 39 | exit(1); |
| 40 | |
| 41 | read(fd[0], buf, sizeof(buf)); |
| 42 | |
| 43 | ts.tv_sec = 0; |
| 44 | ts.tv_nsec = 0; |
| 45 | n = kevent(kq, NULL, 0, &ev, 1, &ts); |
| 46 | if (n == -1 || n == 0) |
| 47 | exit(1); |
| 48 | |
| 49 | exit(0); |
| 50 | } |
| 51 | |
| 52 | " EVENT__HAVE_WORKING_KQUEUE) |