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[Qemu-devel] [PATCH 07/15] xen: handle xenstore events
From: |
stefano . stabellini |
Subject: |
[Qemu-devel] [PATCH 07/15] xen: handle xenstore events |
Date: |
Mon, 23 Aug 2010 10:50:44 +0100 |
From: Anthony PERARD <address@hidden>
Add an handler to process xenstore events.
Signed-off-by: Anthony PERARD <address@hidden>
Signed-off-by: Stefano Stabellini <address@hidden>
---
target-xen/xenstore.c | 30 +++++++++++++++++++++++++++++-
1 files changed, 29 insertions(+), 1 deletions(-)
diff --git a/target-xen/xenstore.c b/target-xen/xenstore.c
index bd74787..331b25f 100644
--- a/target-xen/xenstore.c
+++ b/target-xen/xenstore.c
@@ -1,13 +1,41 @@
#include "hw/xen_backend.h"
#include "xenstore.h"
+static void xenstore_process_event(void *opaque)
+{
+ char **vec;
+ unsigned int num;
+
+ vec = xs_read_watch(xenstore, &num);
+ if (!vec)
+ return;
+
+ free(vec);
+}
+
int xen_dm_init(void)
{
+ xenstore = xs_daemon_open();
+ if (!xenstore) {
+ xen_be_printf(NULL, 0, "can't connect to xenstored\n");
+ return -1;
+ }
+
+ if (qemu_set_fd_handler(xs_fileno(xenstore), xenstore_process_event, NULL,
NULL) < 0)
+ goto err;
+
xen_xc = xc_interface_open(NULL, NULL, 0);
if (xen_xc == NULL) {
xen_be_printf(NULL, 0, "can't open xen interface\n");
- return -1;
+ goto err;
}
return 0;
+
+err:
+ qemu_set_fd_handler(xs_fileno(xenstore), NULL, NULL, NULL);
+ xs_daemon_close(xenstore);
+ xenstore = NULL;
+
+ return -1;
}
--
1.7.0.4
- [Qemu-devel] [PATCH 00/15] v2: RFC xen device model support, Stefano Stabellini, 2010/08/23
- [Qemu-devel] [PATCH 01/15] xen: Support new libxc calls from xen unstable., stefano . stabellini, 2010/08/23
- [Qemu-devel] [PATCH 02/15] xen: Add xen_machine_fv, stefano . stabellini, 2010/08/23
- [Qemu-devel] [PATCH 04/15] xen: xen_machine_fv, initialize xenctrl, stefano . stabellini, 2010/08/23
- [Qemu-devel] [PATCH 03/15] xen: Add a new target to qemu: target-xen, stefano . stabellini, 2010/08/23
- [Qemu-devel] [PATCH 05/15] xen: add a 8259 Interrupt Controller, stefano . stabellini, 2010/08/23
- [Qemu-devel] [PATCH 06/15] xen: Add the Xen platform pci device, stefano . stabellini, 2010/08/23
- [Qemu-devel] [PATCH 07/15] xen: handle xenstore events,
stefano . stabellini <=
- [Qemu-devel] [PATCH 08/15] xen: Read and write the state of the VM in xenstore, stefano . stabellini, 2010/08/23
- [Qemu-devel] [PATCH 09/15] xen: Initialize event channels and io rings, stefano . stabellini, 2010/08/23
- [Qemu-devel] [PATCH 11/15] xen: Introduce --enable-xen command options., stefano . stabellini, 2010/08/23
- [Qemu-devel] [PATCH 10/15] xen: Introduce the Xen mapcache, stefano . stabellini, 2010/08/23
- [Qemu-devel] [PATCH 12/15] piix_pci: Introduces Xen specific call for irq., stefano . stabellini, 2010/08/23
- [Qemu-devel] [PATCH 13/15] vl.c: Introduce getter for shutdown_requested and reset_requested., stefano . stabellini, 2010/08/23
- [Qemu-devel] [PATCH 14/15] xen: destroy the VM when shutdown is requested, stefano . stabellini, 2010/08/23
- [Qemu-devel] [PATCH 15/15] xen: Add a Xen specific ACPI Implementation to target-xen, stefano . stabellini, 2010/08/23