1*c9945492SAndroid Build Coastguard Worker #ifndef _SYS_EVENTFD_H 2*c9945492SAndroid Build Coastguard Worker #define _SYS_EVENTFD_H 3*c9945492SAndroid Build Coastguard Worker 4*c9945492SAndroid Build Coastguard Worker #ifdef __cplusplus 5*c9945492SAndroid Build Coastguard Worker extern "C" { 6*c9945492SAndroid Build Coastguard Worker #endif 7*c9945492SAndroid Build Coastguard Worker 8*c9945492SAndroid Build Coastguard Worker #include <stdint.h> 9*c9945492SAndroid Build Coastguard Worker #include <fcntl.h> 10*c9945492SAndroid Build Coastguard Worker 11*c9945492SAndroid Build Coastguard Worker typedef uint64_t eventfd_t; 12*c9945492SAndroid Build Coastguard Worker 13*c9945492SAndroid Build Coastguard Worker #define EFD_SEMAPHORE 1 14*c9945492SAndroid Build Coastguard Worker #define EFD_CLOEXEC O_CLOEXEC 15*c9945492SAndroid Build Coastguard Worker #define EFD_NONBLOCK O_NONBLOCK 16*c9945492SAndroid Build Coastguard Worker 17*c9945492SAndroid Build Coastguard Worker int eventfd(unsigned int, int); 18*c9945492SAndroid Build Coastguard Worker int eventfd_read(int, eventfd_t *); 19*c9945492SAndroid Build Coastguard Worker int eventfd_write(int, eventfd_t); 20*c9945492SAndroid Build Coastguard Worker 21*c9945492SAndroid Build Coastguard Worker 22*c9945492SAndroid Build Coastguard Worker #ifdef __cplusplus 23*c9945492SAndroid Build Coastguard Worker } 24*c9945492SAndroid Build Coastguard Worker #endif 25*c9945492SAndroid Build Coastguard Worker 26*c9945492SAndroid Build Coastguard Worker #endif /* sys/eventfd.h */ 27