On 06/06/2017 08:58 AM, Marc-André Lureau wrote:
Hi

On Mon, Jun 5, 2017 at 10:37 PM Alistair Francis <
alistair.fran...@xilinx.com> wrote:

When QEMU is waiting for a TCP socket connection it reports that message as
an error. This isn't an error though, so let's change the report to just
use qemu_log().


I don't think this is a good idea, since stdout output my be mixed with
console or other expected output.

In fact, it used to be on stdout, and got moved to stderr:

This is somehow confusing. I don't think it is worth having another qemu_log_stderr() function rather than using error_report() but this very call might deserve a comment explaining this unusual use. What do you think?


commit fdca2124adc293f84f2b7aaf0df43faa6b6bf420
Author: Gerd Hoffmann <kra...@redhat.com>
Date:   Mon Jun 24 08:39:49 2013 +0200

    qemu-char: print notification to stderr

    Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
    Reviewed-by: Laszlo Ersek <ler...@redhat.com>
    Signed-off-by: Michael Tokarev <m...@tls.msk.ru>

diff --git a/qemu-char.c b/qemu-char.c
index e3b3224886..371f6308c5 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -2666,8 +2666,8 @@ static CharDriverState *qemu_chr_open_socket_fd(int
fd, bool do_nodelay,
     }

     if (is_listen && is_waitconnect) {
-        printf("QEMU waiting for connection on: %s\n",
-               chr->filename);
+        fprintf(stderr, "QEMU waiting for connection on: %s\n",
+                chr->filename);


Signed-off-by: Alistair Francis <alistair.fran...@xilinx.com>
---

 chardev/char-socket.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/chardev/char-socket.c b/chardev/char-socket.c
index ccc499cfa1..a9884fa85b 100644
--- a/chardev/char-socket.c
+++ b/chardev/char-socket.c
@@ -27,6 +27,7 @@
 #include "io/channel-tls.h"
 #include "qemu/error-report.h"
 #include "qapi/error.h"
+#include "qemu/log.h"
 #include "qapi/clone-visitor.h"

 #include "chardev/char-io.h"
@@ -765,7 +766,7 @@ static int tcp_chr_wait_connected(Chardev *chr, Error
**errp)
      * in TLS and telnet cases, only wait for an accepted socket */
     while (!s->ioc) {
         if (s->is_listen) {
-            error_report("QEMU waiting for connection on: %s",
+            qemu_log("QEMU waiting for connection on: %s",
                          chr->filename);
             qio_channel_set_blocking(QIO_CHANNEL(s->listen_ioc), true,
NULL);
             tcp_chr_accept(QIO_CHANNEL(s->listen_ioc), G_IO_IN, chr);
--
2.11.0


--
Marc-André Lureau


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