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[174.21.70.228]) by smtp.gmail.com with ESMTPSA id o1sm321595pjf.56.2021.06.15.18.36.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Jun 2021 18:36:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=g/EtpcVEQvR+xKHuSj5BLnH+yGHBoGGI8vPUI0hS6/Q=; b=DDO4tPut9QtIhmX3hAF9slNPBHWt1we64LOXJYHf5he2Y38yLADZ2OQg10/nbWEf0b WgPMYiitpli78lKj0rm4TV6rkqcpOelZd6YFAQWu4sDezik2rhe3oMe+VzLhoM83qVBw oYD65XLFkmWwamYx2jJPTzN3dG9fj+M3B9i2s3VVhKcm3JWZz9Dpf5FNuW/AN2/tjlPT 5HJeX7vbHyq8eiOxIKXVW39jQ8oo4Q2L/kyw+LJrozl1M8o0w6HUf65qKkZOVMaBy5Pg urO0G6RKZgK6mOyPUtUCBKx5SKuGz+5LHvTLhYMov27wSNeFp4Fil+m+WQ0OaKHXfCd1 Va3g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=g/EtpcVEQvR+xKHuSj5BLnH+yGHBoGGI8vPUI0hS6/Q=; b=i9TES2PB1KSIxjOxrOow5zMA/wwZWkU6YYOhFMce29nL1j0nsaPkx3j/EsUv+s19Jp L13Zv6VpIlXaI6SKR8oNwC3p2pgoW5ympVVqFooDxOZDYSe46OTi7TjJyM6Pk18Gu2Kt XK+4IDgW7KoXTMRAEsSRkLP8W276iMZmUZyD4vEik/5Dr1FZKC9gTwxmG5BHuaBGpRin WAjdANcggNcboqaV9wGS8MR0ySXrVRE3GA7jviItLm5wyhTIuFqqzTadlyYv3zt/jxjh PJrOGQnPDu0GIhOINfozsIN6g0EeQlCNL34Qyq0FMiS/4RRSrJFTZCijIv7guLENiJLx C8Jw== X-Gm-Message-State: AOAM531hZB77ut4Z8wgoLNWdaUDzXhq9isUv2i5GN34ttTnBIjNUjY90 LnadIH9KA0bPnEljweJdz6faL5t+csZjfQ== X-Google-Smtp-Source: ABdhPJwEhiH+XEh0Hnl7RKuUpJhMZpxbqN/48dEFYSZIPVgn2Be01A+I4WbHjfH1szgDvybTuJt35Q== X-Received: by 2002:a05:6a00:248a:b029:2f7:218b:3845 with SMTP id c10-20020a056a00248ab02902f7218b3845mr6781964pfv.12.1623807393750; Tue, 15 Jun 2021 18:36:33 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 5/8] util: Use unique type for QemuRecMutex in thread-posix.h Date: Tue, 15 Jun 2021 18:36:26 -0700 Message-Id: <20210616013629.1458790-6-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210616013629.1458790-1-richard.henderson@linaro.org> References: <20210616013629.1458790-1-richard.henderson@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=2607:f8b0:4864:20::532; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x532.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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, Thomas Huth , =?UTF-8?q?Alex=20Benn=C3=A9e?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) We will shortly convert lockable.h to _Generic, and we cannot have two compatible types in the same expansion. Wrap QemuMutex in a struct, and unwrap in qemu-thread-posix.c. Signed-off-by: Richard Henderson Reviewed-by: Thomas Huth Reviewed-by: Alex Benn=C3=A9e Message-Id: <20210614233143.1221879-6-richard.henderson@linaro.org> --- include/qemu/thread-posix.h | 10 ++++++++-- util/qemu-thread-posix.c | 12 ++++++------ 2 files changed, 14 insertions(+), 8 deletions(-) diff --git a/include/qemu/thread-posix.h b/include/qemu/thread-posix.h index cf8bc90468..b792e6ef37 100644 --- a/include/qemu/thread-posix.h +++ b/include/qemu/thread-posix.h @@ -4,8 +4,6 @@ #include #include =20 -typedef QemuMutex QemuRecMutex; - struct QemuMutex { pthread_mutex_t lock; #ifdef CONFIG_DEBUG_MUTEX @@ -15,6 +13,14 @@ struct QemuMutex { bool initialized; }; =20 +/* + * QemuRecMutex cannot be a typedef of QemuMutex lest we have two + * compatible cases in _Generic. See qemu/lockable.h. + */ +typedef struct QemuRecMutex { + QemuMutex m; +} QemuRecMutex; + struct QemuCond { pthread_cond_t cond; bool initialized; diff --git a/util/qemu-thread-posix.c b/util/qemu-thread-posix.c index d990826ed8..fd9d714038 100644 --- a/util/qemu-thread-posix.c +++ b/util/qemu-thread-posix.c @@ -116,32 +116,32 @@ void qemu_rec_mutex_init(QemuRecMutex *mutex) =20 pthread_mutexattr_init(&attr); pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); - err =3D pthread_mutex_init(&mutex->lock, &attr); + err =3D pthread_mutex_init(&mutex->m.lock, &attr); pthread_mutexattr_destroy(&attr); if (err) { error_exit(err, __func__); } - mutex->initialized =3D true; + mutex->m.initialized =3D true; } =20 void qemu_rec_mutex_destroy(QemuRecMutex *mutex) { - qemu_mutex_destroy(mutex); + qemu_mutex_destroy(&mutex->m); } =20 void qemu_rec_mutex_lock_impl(QemuRecMutex *mutex, const char *file, int l= ine) { - qemu_mutex_lock_impl(mutex, file, line); + qemu_mutex_lock_impl(&mutex->m, file, line); } =20 int qemu_rec_mutex_trylock_impl(QemuRecMutex *mutex, const char *file, int= line) { - return qemu_mutex_trylock_impl(mutex, file, line); + return qemu_mutex_trylock_impl(&mutex->m, file, line); } =20 void qemu_rec_mutex_unlock_impl(QemuRecMutex *mutex, const char *file, int= line) { - qemu_mutex_unlock_impl(mutex, file, line); + qemu_mutex_unlock_impl(&mutex->m, file, line); } =20 void qemu_cond_init(QemuCond *cond) --=20 2.25.1