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[Qemu-devel] [PATCH v3 20/28] char: add chr_wait_connected callback
From: |
marcandre . lureau |
Subject: |
[Qemu-devel] [PATCH v3 20/28] char: add chr_wait_connected callback |
Date: |
Wed, 6 Jul 2016 20:47:13 +0200 |
From: Marc-André Lureau <address@hidden>
A function to wait on the backend to be connected, to be used in the
following patches.
Signed-off-by: Marc-André Lureau <address@hidden>
---
include/sysemu/char.h | 8 ++++++++
qemu-char.c | 9 +++++++++
2 files changed, 17 insertions(+)
diff --git a/include/sysemu/char.h b/include/sysemu/char.h
index 57df10a..15aa8ee 100644
--- a/include/sysemu/char.h
+++ b/include/sysemu/char.h
@@ -70,6 +70,7 @@ struct CharDriverState {
int (*get_msgfds)(struct CharDriverState *s, int* fds, int num);
int (*set_msgfds)(struct CharDriverState *s, int *fds, int num);
int (*chr_add_client)(struct CharDriverState *chr, int fd);
+ int (*chr_wait_connected)(struct CharDriverState *chr, Error **errp);
IOEventHandler *chr_event;
IOCanReadHandler *chr_can_read;
IOReadHandler *chr_read;
@@ -151,6 +152,13 @@ CharDriverState *qemu_chr_new(const char *label, const
char *filename,
*/
void qemu_chr_disconnect(CharDriverState *chr);
+/**
+ * @qemu_chr_wait_connected:
+ *
+ * Wait for characted backend to be connected.
+ */
+int qemu_chr_wait_connected(CharDriverState *chr, Error **errp);
+
/**
* @qemu_chr_new_noreplay:
*
diff --git a/qemu-char.c b/qemu-char.c
index c4fa779..1daadc1 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -3139,6 +3139,15 @@ static gboolean tcp_chr_accept(QIOChannel *channel,
return TRUE;
}
+int qemu_chr_wait_connected(CharDriverState *chr, Error **errp)
+{
+ if (chr->chr_wait_connected) {
+ return chr->chr_wait_connected(chr, errp);
+ }
+
+ return 0;
+}
+
static void tcp_chr_close(CharDriverState *chr)
{
TCPCharDriver *s = chr->opaque;
--
2.9.0
- Re: [Qemu-devel] [PATCH v3 13/28] vhost-user: check vhost_user_{read, write}() return value, (continued)
- [Qemu-devel] [PATCH v3 14/28] qemu-char: check socket is actually connected, marcandre . lureau, 2016/07/06
- [Qemu-devel] [PATCH v3 15/28] vhost-user: keep vhost_net after a disconnection, marcandre . lureau, 2016/07/06
- [Qemu-devel] [PATCH v3 16/28] Revert "vhost-net: do not crash if backend is not present", marcandre . lureau, 2016/07/06
- [Qemu-devel] [PATCH v3 17/28] get_vhost_net() should be != null after vhost_user_init, marcandre . lureau, 2016/07/06
- [Qemu-devel] [PATCH v3 18/28] vhost-net: success if backend has no ops->vhost_migration_done, marcandre . lureau, 2016/07/06
- [Qemu-devel] [PATCH v3 19/28] vhost: add assert() to check runtime behaviour, marcandre . lureau, 2016/07/06
- [Qemu-devel] [PATCH v3 20/28] char: add chr_wait_connected callback,
marcandre . lureau <=
- [Qemu-devel] [PATCH v3 21/28] char: add and use tcp_chr_wait_connected, marcandre . lureau, 2016/07/06
- [Qemu-devel] [PATCH v3 22/28] vhost-user: wait until backend init is completed, marcandre . lureau, 2016/07/06
- [Qemu-devel] [PATCH v3 23/28] tests: plug some leaks in virtio-net-test, marcandre . lureau, 2016/07/06
- [Qemu-devel] [PATCH v3 25/28] tests: add /vhost-user/connect-fail test, marcandre . lureau, 2016/07/06
- [Qemu-devel] [PATCH v3 24/28] tests: fix vhost-user-test leak, marcandre . lureau, 2016/07/06
- [Qemu-devel] [PATCH v3 27/28] vhost-user: add error report in vhost_user_write(), marcandre . lureau, 2016/07/06
- [Qemu-devel] [PATCH v3 26/28] tests: add a simple /vhost-user/multiqueue test, marcandre . lureau, 2016/07/06
- [Qemu-devel] [PATCH v3 28/28] vhost: add vhost_net_set_backend(), marcandre . lureau, 2016/07/06