1#include <sys/epoll.h> 2#include <signal.h> 3#include <errno.h> 4#include "syscall.h" 5 6int epoll_create(int size) 7{ 8 return epoll_create1(0); 9} 10 11int epoll_create1(int flags) 12{ 13 int r = __syscall(SYS_epoll_create1, flags); 14#ifdef SYS_epoll_create 15 if (r==-ENOSYS && !flags) r = __syscall(SYS_epoll_create, 1); 16#endif 17 return __syscall_ret(r); 18} 19 20int epoll_ctl(int fd, int op, int fd2, struct epoll_event *ev) 21{ 22 return syscall(SYS_epoll_ctl, fd, op, fd2, ev); 23} 24 25int epoll_pwait(int fd, struct epoll_event *ev, int cnt, int to, const sigset_t *sigs) 26{ 27 int r = __syscall(SYS_epoll_pwait, fd, ev, cnt, to, sigs, _NSIG/8); 28#ifdef SYS_epoll_wait 29 if (r==-ENOSYS && !sigs) r = __syscall(SYS_epoll_wait, fd, ev, cnt, to); 30#endif 31 return __syscall_ret(r); 32} 33 34int epoll_wait(int fd, struct epoll_event *ev, int cnt, int to) 35{ 36 return epoll_pwait(fd, ev, cnt, to, 0); 37} 38