From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33076) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dT9nf-0004nr-I1 for qemu-devel@nongnu.org; Thu, 06 Jul 2017 12:38:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dT9ne-00061Q-Mh for qemu-devel@nongnu.org; Thu, 06 Jul 2017 12:38:43 -0400 From: Paolo Bonzini Date: Thu, 6 Jul 2017 18:38:20 +0200 Message-Id: <20170706163828.24082-4-pbonzini@redhat.com> In-Reply-To: <20170706163828.24082-1-pbonzini@redhat.com> References: <20170706163828.24082-1-pbonzini@redhat.com> Subject: [Qemu-devel] [PATCH 03/11] util: use RCU accessors for notifiers List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: famz@redhat.com, qemu-block@nongnu.org, stefanha@redhat.com This provides more flexibility for its users. Signed-off-by: Paolo Bonzini --- util/notify.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/util/notify.c b/util/notify.c index 06de63a839..16fff8d07d 100644 --- a/util/notify.c +++ b/util/notify.c @@ -16,6 +16,7 @@ #include "qemu/osdep.h" #include "qemu-common.h" #include "qemu/notify.h" +#include "qemu/rcu_queue.h" void notifier_list_init(NotifierList *list) { @@ -24,19 +25,19 @@ void notifier_list_init(NotifierList *list) void notifier_list_add(NotifierList *list, Notifier *notifier) { - QLIST_INSERT_HEAD(&list->notifiers, notifier, node); + QLIST_INSERT_HEAD_RCU(&list->notifiers, notifier, node); } void notifier_remove(Notifier *notifier) { - QLIST_REMOVE(notifier, node); + QLIST_REMOVE_RCU(notifier, node); } void notifier_list_notify(NotifierList *list, void *data) { Notifier *notifier, *next; - QLIST_FOREACH_SAFE(notifier, &list->notifiers, node, next) { + QLIST_FOREACH_SAFE_RCU(notifier, &list->notifiers, node, next) { notifier->notify(notifier, data); } } @@ -49,12 +50,12 @@ void notifier_with_return_list_init(NotifierWithReturnList *list) void notifier_with_return_list_add(NotifierWithReturnList *list, NotifierWithReturn *notifier) { - QLIST_INSERT_HEAD(&list->notifiers, notifier, node); + QLIST_INSERT_HEAD_RCU(&list->notifiers, notifier, node); } void notifier_with_return_remove(NotifierWithReturn *notifier) { - QLIST_REMOVE(notifier, node); + QLIST_REMOVE_RCU(notifier, node); } int notifier_with_return_list_notify(NotifierWithReturnList *list, void *data) @@ -62,7 +63,7 @@ int notifier_with_return_list_notify(NotifierWithReturnList *list, void *data) NotifierWithReturn *notifier, *next; int ret = 0; - QLIST_FOREACH_SAFE(notifier, &list->notifiers, node, next) { + QLIST_FOREACH_SAFE_RCU(notifier, &list->notifiers, node, next) { ret = notifier->notify(notifier, data); if (ret != 0) { break; -- 2.13.0