Module Name: src Committed By: christos Date: Thu Nov 30 14:19:27 UTC 2017
Modified Files: src/sys/kern: kern_event.c Log Message: Put previous removed diagnostic back as debug. It has caught in the past (and now) different kqueue behavior between NetBSD and other kqueue implementations that depend on specific file types. If 3rd party programs trigger this it is probably because we are doing something different. To generate a diff of this commit: cvs rdiff -u -r1.99 -r1.100 src/sys/kern/kern_event.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/kern/kern_event.c diff -u src/sys/kern/kern_event.c:1.99 src/sys/kern/kern_event.c:1.100 --- src/sys/kern/kern_event.c:1.99 Thu Nov 30 00:52:40 2017 +++ src/sys/kern/kern_event.c Thu Nov 30 09:19:27 2017 @@ -1,4 +1,4 @@ -/* $NetBSD: kern_event.c,v 1.99 2017/11/30 05:52:40 riastradh Exp $ */ +/* $NetBSD: kern_event.c,v 1.100 2017/11/30 14:19:27 christos Exp $ */ /*- * Copyright (c) 2008, 2009 The NetBSD Foundation, Inc. @@ -58,7 +58,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: kern_event.c,v 1.99 2017/11/30 05:52:40 riastradh Exp $"); +__KERNEL_RCSID(0, "$NetBSD: kern_event.c,v 1.100 2017/11/30 14:19:27 christos Exp $"); #include <sys/param.h> #include <sys/systm.h> @@ -1063,6 +1063,13 @@ kqueue_register(struct kqueue *kq, struc error = (*kfilter->filtops->f_attach)(kn); KERNEL_UNLOCK_ONE(NULL); /* XXXSMP */ if (error != 0) { +#ifdef DEBUG + printf("%s: event type %d not supported for " + "file type %d (error %d)\n", __func__, + kn->kn_filter, kn->kn_obj ? + ((file_t *)kn->kn_obj)->f_type : -1, error); +#endif + /* knote_detach() drops fdp->fd_lock */ knote_detach(kn, fdp, false); goto done;