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}