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Wed, 12 Nov 2025 05:42:06 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Paolo Bonzini , Peter Maydell , =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v3 03/10] chardev/char: Improve ChardevClass::chr_write() docstring Date: Wed, 12 Nov 2025 14:41:36 +0100 Message-ID: <20251112134143.27194-4-philmd@linaro.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251112134143.27194-1-philmd@linaro.org> References: <20251112134143.27194-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32d; envelope-from=philmd@linaro.org; helo=mail-wm1-x32d.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1762955401143158501 Reviewed-by: Marc-Andr=C3=A9 Lureau Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- include/chardev/char.h | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/include/chardev/char.h b/include/chardev/char.h index b65e9981c14..df55c7f4e67 100644 --- a/include/chardev/char.h +++ b/include/chardev/char.h @@ -263,7 +263,17 @@ struct ChardevClass { void (*open)(Chardev *chr, ChardevBackend *backend, bool *be_opened, Error **errp); =20 - /* write buf to the backend */ + /** + * chr_write: Write data to a character backend + * @s: the character backend to write to + * @buf: the data to write + * @len: the number of bytes to write + * + * Called with chr_write_lock held. + * + * Returns: the number of bytes consumed or -1 on error. + * On error, %errno is also set as appropriate. + */ int (*chr_write)(Chardev *s, const uint8_t *buf, int len); =20 /* --=20 2.51.0