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From: Lukas Straub <lukasstraub2@web.de>
To: qemu-devel <qemu-devel@nongnu.org>
Cc: "Kevin Wolf" <kwolf@redhat.com>,
	"Daniel P. Berrangé" <berrange@redhat.com>,
	qemu-block <qemu-block@nongnu.org>,
	"Juan Quintela" <quintela@redhat.com>,
	"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
	"Max Reitz" <mreitz@redhat.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Marc-André Lureau" <marcandre.lureau@redhat.com>
Subject: [PATCH v6 6/9] io: Document thread-safety of qio_channel_shutdown
Date: Fri, 31 Jul 2020 11:26:53 +0200
Message-ID: <1d059059640fe6d02e05d4fe617e6665c7640dbc.1596184200.git.lukasstraub2@web.de> (raw)
In-Reply-To: <cover.1596184200.git.lukasstraub2@web.de>


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Migration and yank code assume that qio_channel_shutdown is thread
-safe. Document this after checking the code.

Signed-off-by: Lukas Straub <lukasstraub2@web.de>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 include/io/channel.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/io/channel.h b/include/io/channel.h
index d4557f0930..6b8a2b87b8 100644
--- a/include/io/channel.h
+++ b/include/io/channel.h
@@ -516,6 +516,8 @@ int qio_channel_close(QIOChannel *ioc,
  * QIO_CHANNEL_FEATURE_SHUTDOWN prior to calling
  * this method.
  *
+ * This function is thread-safe.
+ *
  * Returns: 0 on success, -1 on error
  */
 int qio_channel_shutdown(QIOChannel *ioc,
--
2.20.1


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  parent reply index

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-31  9:26 [PATCH v6 0/9] Introduce 'yank' oob qmp command to recover from hanging qemu Lukas Straub
2020-07-31  9:26 ` [PATCH v6 1/9] Introduce yank feature Lukas Straub
2020-07-31  9:26 ` [PATCH v6 2/9] block/nbd.c: Add " Lukas Straub
2020-07-31  9:26 ` [PATCH v6 3/9] chardev/char-socket.c: " Lukas Straub
2020-07-31  9:26 ` [PATCH v6 4/9] migration: " Lukas Straub
2020-07-31  9:26 ` [PATCH v6 5/9] io/channel-tls.c: make qio_channel_tls_shutdown thread-safe Lukas Straub
2020-07-31  9:26 ` Lukas Straub [this message]
2020-07-31  9:27 ` [PATCH v6 7/9] MAINTAINERS: Add myself as maintainer for yank feature Lukas Straub
2020-07-31  9:27 ` [PATCH v6 8/9] chardev/char.c: Check for duplicate id before creating chardev Lukas Straub
2020-07-31  9:37   ` Daniel P. Berrangé
2020-07-31 13:29     ` Lukas Straub
2020-07-31  9:27 ` [PATCH v6 9/9] tests/test-char.c: Wait for the chardev to connect in char_socket_client_dupid_test Lukas Straub

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