Handle EINTR and EAGAIN during vde_send() and vde_recv() in case the VDE
library doesn't. Use the same approach that net_user.c takes.
Signed-off-by: Frank Laub<fl...@anomali.es>
--- a/arch/um/drivers/vde_user.c
+++ b/arch/um/drivers/vde_user.c
@@ -11,6 +11,7 @@
#include "um_malloc.h"
#include "user.h"
#include "vde.h"
+#include "os.h"
static int vde_user_init(void *data, void *dev)
{
@@ -103,7 +104,7 @@ int vde_user_read(void *conn, void *buf,
if (vconn == NULL)
return 0;
- rv = vde_recv(vconn, buf, len, 0);
+ CATCH_EINTR(rv = vde_recv(vconn, buf, len, 0));
if (rv < 0) {
if (errno == EAGAIN)
return 0;
@@ -118,10 +119,17 @@ int vde_user_read(void *conn, void *buf,
int vde_user_write(void *conn, void *buf, int len)
{
VDECONN *vconn = conn;
+ int rv;
if (vconn == NULL)
return 0;
- return vde_send(vconn, buf, len, 0);
+ CATCH_EINTR(rv = vde_send(vconn, buf, len, 0));
+ if (rv < 0) {
+ if (errno == EAGAIN)
+ return 0;
+ return -errno;
+ }
+ return rv;
}
------------------------------------------------------------------------------
All the data continuously generated in your IT infrastructure
contains a definitive record of customers, application performance,
security threats, fraudulent activity, and more. Splunk takes this
data and makes sense of it. IT sense. And common sense.
http://p.sf.net/sfu/splunk-novd2d
_______________________________________________
User-mode-linux-devel mailing list
User-mode-linux-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
