| #ifdef HAVE_CONFIG_H | |
| # include "config.h" | |
| #endif | |
| #include <fcntl.h> | |
| #include <unistd.h> | |
| #include <sys/syscall.h> | |
| int | |
| main(void) | |
| { | |
| #if defined __NR_eventfd2 && defined O_CLOEXEC | |
| (void) close(0); | |
| return syscall(__NR_eventfd2, -1L, 1 | O_CLOEXEC | O_NONBLOCK) == 0 ? | |
| 0 : 77; | |
| #else | |
| return 77; | |
| #endif | |
| } |