[v2] Misc cleanups

[PATCH v2 20/26] io: replace qemu_set{_non}block()

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 20/26] io: replace qemu_set{_non}block()

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>
---
 io/channel-command.c | 16 +++++++++-------
 io/channel-file.c    | 13 +++++++++----
 2 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/io/channel-command.c b/io/channel-command.c
index 0790ac7895c0..4a1f969aaa8e 100644
--- a/io/channel-command.c
+++ b/io/channel-command.c
@@ -301,16 +301,18 @@ static int qio_channel_command_set_blocking(QIOChannel *ioc,
                                             bool enabled,
                                             Error **errp)
 {
+#ifdef WIN32
+    /* command spawn is not supported on win32 */
+    g_assert_not_reached();
+#else
     QIOChannelCommand *cioc = QIO_CHANNEL_COMMAND(ioc);
 
-    if (enabled) {
-        qemu_set_block(cioc->writefd);
-        qemu_set_block(cioc->readfd);
-    } else {
-        qemu_set_nonblock(cioc->writefd);
-        qemu_set_nonblock(cioc->readfd);
+    if (!g_unix_set_fd_nonblocking(cioc->writefd, !enabled, NULL) ||
+        !g_unix_set_fd_nonblocking(cioc->readfd, !enabled, NULL)) {
+        error_setg_errno(errp, errno, "Failed to set FD nonblocking");
+        return -1;
     }
-
+#endif
     return 0;
 }
 
diff --git a/io/channel-file.c b/io/channel-file.c
index d7cf6d278ff9..d146ace7db9f 100644
--- a/io/channel-file.c
+++ b/io/channel-file.c
@@ -139,14 +139,19 @@ static int qio_channel_file_set_blocking(QIOChannel *ioc,
                                          bool enabled,
                                          Error **errp)
 {
+#ifdef WIN32
+    /* not implemented */
+    error_setg_errno(errp, errno, "Failed to set FD nonblocking");
+    return -1;
+#else
     QIOChannelFile *fioc = QIO_CHANNEL_FILE(ioc);
 
-    if (enabled) {
-        qemu_set_block(fioc->fd);
-    } else {
-        qemu_set_nonblock(fioc->fd);
+    if (!g_unix_set_fd_nonblocking(fioc->fd, !enabled, NULL)) {
+        error_setg_errno(errp, errno, "Failed to set FD nonblocking");
+        return -1;
     }
     return 0;
+#endif
 }
 
 
-- 
2.36.0

Re: [PATCH v2 20/26] io: replace qemu_set{_non}block()

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

On Tue, Apr 26, 2022 at 01:27:09PM +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>
> ---
>  io/channel-command.c | 16 +++++++++-------
>  io/channel-file.c    | 13 +++++++++----
>  2 files changed, 18 insertions(+), 11 deletions(-)

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


With regards,
Daniel
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