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[Qemu-devel] [PATCH uq/master 7/9] event_notifier: add event_notifier_se
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH uq/master 7/9] event_notifier: add event_notifier_set_handler |
Date: |
Thu, 5 Jul 2012 17:16:28 +0200 |
Win32 event notifiers are not file descriptors, so they will not be able
to use qemu_set_fd_handler. But even if for now we only have a POSIX
version of EventNotifier, we can add a specific function that wraps
the call.
The wrapper passes the EventNotifier as the opaque value so that it will
be used with container_of.
Signed-off-by: Paolo Bonzini <address@hidden>
---
event_notifier.c | 7 +++++++
event_notifier.h | 3 +++
2 files changed, 10 insertions(+)
diff --git a/event_notifier.c b/event_notifier.c
index 99c376c..2c207e1 100644
--- a/event_notifier.c
+++ b/event_notifier.c
@@ -12,6 +12,7 @@
#include "qemu-common.h"
#include "event_notifier.h"
+#include "qemu-char.h"
#ifdef CONFIG_EVENTFD
#include <sys/eventfd.h>
@@ -45,6 +46,12 @@ int event_notifier_get_fd(EventNotifier *e)
return e->fd;
}
+int event_notifier_set_handler(EventNotifier *e,
+ EventNotifierHandler *handler)
+{
+ return qemu_set_fd_handler(e->fd, (IOHandler *)handler, NULL, e);
+}
+
int event_notifier_set(EventNotifier *e)
{
uint64_t value = 1;
diff --git a/event_notifier.h b/event_notifier.h
index 30c12dd..e5888ed 100644
--- a/event_notifier.h
+++ b/event_notifier.h
@@ -19,11 +19,14 @@ struct EventNotifier {
int fd;
};
+typedef void EventNotifierHandler(EventNotifier *);
+
void event_notifier_init_fd(EventNotifier *, int fd);
int event_notifier_init(EventNotifier *, int active);
void event_notifier_cleanup(EventNotifier *);
int event_notifier_get_fd(EventNotifier *);
int event_notifier_set(EventNotifier *);
int event_notifier_test_and_clear(EventNotifier *);
+int event_notifier_set_handler(EventNotifier *, EventNotifierHandler *);
#endif
--
1.7.10.2
- [Qemu-devel] [PATCH uq/master 2/9] event_notifier: remove event_notifier_test, (continued)
[Qemu-devel] [PATCH uq/master 4/9] ivshmem: use EventNotifier and memory API, Paolo Bonzini, 2012/07/05
[Qemu-devel] [PATCH uq/master 6/9] memory: pass EventNotifier, not eventfd, Paolo Bonzini, 2012/07/05
[Qemu-devel] [PATCH uq/master 5/9] ivshmem: wrap ivshmem_del_eventfd loops with transaction, Paolo Bonzini, 2012/07/05
[Qemu-devel] [PATCH uq/master 8/9] virtio: move common ioeventfd handling out of virtio-pci, Paolo Bonzini, 2012/07/05
[Qemu-devel] [PATCH uq/master 9/9] virtio: move common irqfd handling out of virtio-pci, Paolo Bonzini, 2012/07/05
[Qemu-devel] [PATCH uq/master 7/9] event_notifier: add event_notifier_set_handler,
Paolo Bonzini <=
Re: [Qemu-devel] [PATCH uq/master 0/9] remove event_notifier_get_fd from non-KVM code, Avi Kivity, 2012/07/12