| 63 | #include <sys/eventfd.h> |
| 64 | |
| 65 | static void test(void) |
| 66 | { |
| 67 | int fd = eventfd(0, 0); |
| 68 | long long n = 100; |
| 69 | if (write(fd, &n, sizeof(n)) == -1) {} |
| 70 | if (read(fd, &n, sizeof(n)) <= 0) {} |
| 71 | printf("n=%lld\r\n", n); |
| 72 | } |
| 73 | |
| 74 | int main(int argc, char *argv[]) |
| 75 | { |