mirror of https://github.com/tidwall/evio.git
50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
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package internal
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import (
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"syscall"
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"time"
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)
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func AddWrite(p, fd int, on *bool) error {
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if *on {
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return nil
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}
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*on = true
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return syscall.EpollCtl(p, syscall.EPOLL_CTL_MOD, fd,
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&syscall.EpollEvent{Fd: int32(fd),
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Events: syscall.EPOLLIN | syscall.EPOLLOUT,
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})
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}
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func DelWrite(p, fd int, on *bool) error {
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if !*on {
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return nil
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}
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*on = false
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return syscall.EpollCtl(p, syscall.EPOLL_CTL_MOD, fd,
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&syscall.EpollEvent{Fd: int32(fd),
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Events: syscall.EPOLLIN,
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})
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}
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func MakePoll() (p int, err error) {
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return syscall.EpollCreate1(0)
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}
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func AddRead(p, fd int) error {
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return syscall.EpollCtl(p, syscall.EPOLL_CTL_ADD, fd,
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&syscall.EpollEvent{Fd: int32(fd),
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Events: syscall.EPOLLIN,
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})
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}
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func MakeEvents(n int) interface{} {
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return make([]syscall.EpollEvent, n)
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}
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func Wait(p int, evs interface{}, timeout time.Duration) (n int, err error) {
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if timeout < 0 {
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timeout = 0
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}
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ts := int(timeout / time.Millisecond)
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return syscall.EpollWait(p, evs.([]syscall.EpollEvent), ts)
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}
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func GetFD(evs interface{}, i int) int {
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return int(evs.([]syscall.EpollEvent)[i].Fd)
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}
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