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