unix: improve solaris event port panic message

nshalman · prattmic · commit c680a09ffe64 · 2022-08-25T20:40:02.000Z
For golang/go#54254 Change-Id: Id59bacfabc5c818478f6a9af8d585f56f74c2bde Reviewed-on: https://go-review.googlesource.com/c/sys/+/422099 Reviewed-by: Nahum Shalman <nahamu@gmail.com> Reviewed-by: Michael Pratt <mpratt@google.com> Reviewed-by: Robert Griesemer <gri@google.com>
diff --git a/unix/syscall_solaris.go b/unix/syscall_solaris.go
@@ -956,7 +956,7 @@ func (e *EventPort) peIntToExt(peInt *portEvent, peExt *PortEvent) {
 			// the unsafe version would be (*fileObj)(unsafe.Pointer(uintptr(peInt.Object)))
 			peExt.fobj = fCookie.fobj
 		} else {
-			panic("mismanaged memory")
+			panic("unexpected event port address; may be due to kernel bug; see https://go.dev/issue/54254")
 		}
 		delete(e.cookies, cookie)
 		peExt.Path = BytePtrToString((*byte)(unsafe.Pointer(peExt.fobj.Name)))

Original file line number	Diff line number	Diff line change
`@@ -956,7 +956,7 @@ func (e EventPort) peIntToExt(peInt portEvent, peExt *PortEvent) {`
`956`	`956`	`// the unsafe version would be (*fileObj)(unsafe.Pointer(uintptr(peInt.Object)))`
`957`	`957`	`peExt.fobj = fCookie.fobj`
`958`	`958`	`} else {`
`959`		`- panic("mismanaged memory")`
	`959`	`+ panic("unexpected event port address; may be due to kernel bug; see https://go.dev/issue/54254")`
`960`	`960`	`}`
`961`	`961`	`delete(e.cookies, cookie)`
`962`	`962`	`peExt.Path = BytePtrToString((*byte)(unsafe.Pointer(peExt.fobj.Name)))`