[v2] Misc cleanups

[PATCH v2 22/26] hw: replace qemu_set_nonblock()

marcandre.lureau@redhat.com posted 26 patches 3 years, 5 months ago

Diff against v1 v1 v1 v1 v1 v2 v3 v4 v5
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Maintainers: Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>, "Daniel P. Berrangé" <berrange@redhat.com>, Jason Wang <jasowang@redhat.com>, Eric Blake <eblake@redhat.com>, Vladimir Sementsov-Ogievskiy <v.sementsov-og@mail.ru>, Michael Roth <michael.roth@amd.com>, Alexander Bulekov <alxndr@bu.edu>, Bandan Das <bsd@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, Thomas Huth <thuth@redhat.com>, Darren Kenny <darren.kenny@oracle.com>, Qiuhao Li <Qiuhao.Li@outlook.com>, Laurent Vivier <lvivier@redhat.com>, Igor Mammedov <imammedo@redhat.com>, Ani Sinha <ani@anisinha.ca>, John Snow <jsnow@redhat.com>, Fam Zheng <fam@euphon.net>, Peter Maydell <peter.maydell@linaro.org>, "Cédric Le Goater" <clg@kaod.org>, Andrew Jeffery <andrew@aj.id.au>, Joel Stanley <joel@jms.id.au>, Dmitry Fleytman <dmitry.fleytman@gmail.com>, Hannes Reinecke <hare@suse.com>, "Philippe Mathieu-Daudé" <f4bug@amsat.org>, Bin Meng <bin.meng@windriver.com>, Su Hang <suhang16@mails.ucas.ac.cn>, Daniel Henrique Barboza <danielhb413@gmail.com>, David Gibson <david@gibson.dropbear.id.au>, Greg Kurz <groug@kaod.org>, Coiby Xu <Coiby.Xu@gmail.com>, Juan Quintela <quintela@redhat.com>, "Dr. David Alan Gilbert" <dgilbert@redhat.com>, Havard Skinnemoen <hskinnemoen@google.com>, Tyrone Ting <kfting@nuvoton.com>, Keith Busch <kbusch@kernel.org>, Klaus Jensen <its@irrelevant.dk>, Markus Armbruster <armbru@redhat.com>, Zhang Chen <chen.zhang@intel.com>, Li Zhijian <lizhijian@fujitsu.com>, Stefan Berger <stefanb@linux.vnet.ibm.com>, Amit Shah <amit@kernel.org>, Vikram Garhwal <fnu.vikram@xilinx.com>, Francisco Iglesias <francisco.iglesias@xilinx.com>, Stefan Weil <sw@weilnetz.de>

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[PATCH v2 22/26] hw: replace qemu_set_nonblock()

Posted by marcandre.lureau@redhat.com 3 years, 5 months ago

From: Marc-André Lureau <marcandre.lureau@redhat.com>

Those calls are non-socket fd, or are POSIX-specific. Use the dedicated
GLib API. (qemu_set_nonblock() is for socket-like)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
 hw/input/virtio-input-host.c |  5 ++++-
 hw/virtio/vhost-vsock.c      | 11 +++++++----
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/hw/input/virtio-input-host.c b/hw/input/virtio-input-host.c
index 137efba57b0f..fea7139382a1 100644
--- a/hw/input/virtio-input-host.c
+++ b/hw/input/virtio-input-host.c
@@ -114,7 +114,10 @@ static void virtio_input_host_realize(DeviceState *dev, Error **errp)
         error_setg_file_open(errp, errno, vih->evdev);
         return;
     }
-    qemu_set_nonblock(vih->fd);
+    if (!g_unix_set_fd_nonblocking(vih->fd, true, NULL)) {
+        error_setg_errno(errp, errno, "Failed to set FD nonblocking");
+        goto err_close;
+    }
 
     rc = ioctl(vih->fd, EVIOCGVERSION, &ver);
     if (rc < 0) {
diff --git a/hw/virtio/vhost-vsock.c b/hw/virtio/vhost-vsock.c
index 433d42d897df..714046210bd3 100644
--- a/hw/virtio/vhost-vsock.c
+++ b/hw/virtio/vhost-vsock.c
@@ -149,9 +149,8 @@ static void vhost_vsock_device_realize(DeviceState *dev, Error **errp)
             return;
         }
 
-        ret = qemu_try_set_nonblock(vhostfd);
-        if (ret < 0) {
-            error_setg_errno(errp, -ret,
+        if (!g_unix_set_fd_nonblocking(vhostfd, true, NULL)) {
+            error_setg_errno(errp, errno,
                              "vhost-vsock: unable to set non-blocking mode");
             return;
         }
@@ -163,7 +162,11 @@ static void vhost_vsock_device_realize(DeviceState *dev, Error **errp)
             return;
         }
 
-        qemu_set_nonblock(vhostfd);
+        if (!g_unix_set_fd_nonblocking(vhostfd, true, NULL)) {
+            error_setg_errno(errp, errno,
+                             "Failed to set FD nonblocking");
+            return;
+        }
     }
 
     vhost_vsock_common_realize(vdev, "vhost-vsock");
-- 
2.36.0

Re: [PATCH v2 22/26] hw: replace qemu_set_nonblock()

Posted by Daniel P. Berrangé 3 years, 4 months ago

On Tue, Apr 26, 2022 at 01:27:11PM +0400, marcandre.lureau@redhat.com wrote:
> From: Marc-André Lureau <marcandre.lureau@redhat.com>
> 
> Those calls are non-socket fd, or are POSIX-specific. Use the dedicated
> GLib API. (qemu_set_nonblock() is for socket-like)
> 
> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
> ---
>  hw/input/virtio-input-host.c |  5 ++++-
>  hw/virtio/vhost-vsock.c      | 11 +++++++----
>  2 files changed, 11 insertions(+), 5 deletions(-)

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>


With regards,
Daniel
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