#ifndef _SYS_EVENTFD_H #define _SYS_EVENTFD_H #ifdef __cplusplus extern "C" { #endif #include #include 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 */