ipc: bsd: try again if kqueue returns EINTR

zx2c4 · zx2c4 · commit 114a3db91850 · 2022-01-14T16:10:43.000+01:00
Reported-by: J. Michael McAtee &lt;mmcatee@jumptrading.com&gt;
Signed-off-by: Jason A. Donenfeld &lt;Jason@zx2c4.com&gt;
diff --git a/ipc/uapi_bsd.go b/ipc/uapi_bsd.go
@@ -103,7 +103,7 @@ func UAPIListen(name string, file *os.File) (net.Listener, error) {
 				l.connErr <- err
 				return
 			}
-			if kerr != nil || n != 1 {
+			if (kerr != nil || n != 1) && kerr != unix.EINTR {
 				if kerr != nil {
 					l.connErr <- kerr
 				} else {

Original file line number	Diff line number	Diff line change
`@@ -103,7 +103,7 @@ func UAPIListen(name string, file *os.File) (net.Listener, error) {`
`103`	`103`	`l.connErr <- err`
`104`	`104`	`return`
`105`	`105`	`}`
`106`		`- if kerr != nil \|\| n != 1 {`
	`106`	`+ if (kerr != nil \|\| n != 1) && kerr != unix.EINTR {`
`107`	`107`	`if kerr != nil {`
`108`	`108`	`l.connErr <- kerr`
`109`	`109`	`} else {`