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#ifndef _SYS_EVENTFD_H
#define _SYS_EVENTFD_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <fcntl.h>
typedef uint64_t eventfd_t;
#define EFD_SEMAPHORE 1
#define EFD_CLOEXEC O_CLOEXEC
#define EFD_NONBLOCK O_NONBLOCK
int eventfd(unsigned int, int);
int eventfd_read(int, eventfd_t *);
int eventfd_write(int, eventfd_t);
#ifdef __cplusplus
}
#endif
#endif /* sys/eventfd.h */
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