Fix tick event consuming 100% CPU

tidwall · tidwall · commit 34ff08a426da · 2020-01-12T11:11:17.000-07:00
fixes #61
diff --git a/internal/internal_linux.go b/internal/internal_linux.go
@@ -68,8 +68,9 @@ func (p *Poll) Wait(iter func(fd int, note interface{}) error) error {
 				if err := iter(fd, nil); err != nil {
 					return err
 				}
-			} else {
-
+			} else if fd == p.wfd {
+				var data [16]byte
+				syscall.Read(p.wfd, data[:])
 			}
 		}
 	}

Original file line number	Diff line number	Diff line change
`@@ -68,8 +68,9 @@ func (p *Poll) Wait(iter func(fd int, note interface{}) error) error {`
`68`	`68`	`if err := iter(fd, nil); err != nil {`
`69`	`69`	`return err`
`70`	`70`	`}`
`71`		`- } else {`
`72`		`-`
	`71`	`+ } else if fd == p.wfd {`
	`72`	`+ var data [16]byte`
	`73`	`+ syscall.Read(p.wfd, data[:])`
`73`	`74`	`}`
`74`	`75`	`}`
`75`	`76`	`}`