include/sys/eventfd.h

   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 */