| 1 | #ifndef _SYS_EVENTFD_H |
| 2 | #define _SYS_EVENTFD_H |
| 3 | |
| 4 | #ifdef __cplusplus |
| 5 | extern "C" { |
| 6 | #endif |
| 7 | |
| 8 | #include <stdint.h> |
| 9 | #include <fcntl.h> |
| 10 | |
| 11 | typedef uint64_t eventfd_t; |
| 12 | |
| 13 | #define EFD_SEMAPHORE 1 |
| 14 | #define EFD_CLOEXEC O_CLOEXEC |
| 15 | #define EFD_NONBLOCK O_NONBLOCK |
| 16 | |
| 17 | int eventfd(unsigned int, int); |
| 18 | int eventfd_read(int, eventfd_t *); |
| 19 | int eventfd_write(int, eventfd_t); |
| 20 | |
| 21 | |
| 22 | #ifdef __cplusplus |
| 23 | } |
| 24 | #endif |
| 25 | |
| 26 | #endif /* sys/eventfd.h */ |