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[50.253.99.174]) by smtp.gmail.com with ESMTPSA id a8sm6945151ilh.5.2021.10.18.12.02.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Oct 2021 12:02:02 -0700 (PDT) From: Warner Losh To: qemu-devel@nongnu.org Subject: [PULL v2 20/23] bsd-user: Add stop_all_tasks Date: Mon, 18 Oct 2021 13:01:12 -0600 Message-Id: <20211018190115.5365-21-imp@bsdimp.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20211018190115.5365-1-imp@bsdimp.com> References: <20211018190115.5365-1-imp@bsdimp.com> MIME-Version: 1.0 Received-SPF: none client-ip=2607:f8b0:4864:20::12a; envelope-from=imp@bsdimp.com; helo=mail-il1-x12a.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=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: Kyle Evans , Richard Henderson , Stacey Son , Laurent Vivier , Warner Losh Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Similar to the same function in linux-user: this stops all the current tasks. Signed-off-by: Stacey Son Signed-off-by: Warner Losh Reviewed-by: Richard Henderson Reviewed-by: Kyle Evans --- bsd-user/main.c | 9 +++++++++ bsd-user/qemu.h | 1 + 2 files changed, 10 insertions(+) diff --git a/bsd-user/main.c b/bsd-user/main.c index ee84554854..cb5ea40236 100644 --- a/bsd-user/main.c +++ b/bsd-user/main.c @@ -195,6 +195,15 @@ static void usage(void) __thread CPUState *thread_cpu; +void stop_all_tasks(void) +{ + /* + * We trust when using NPTL (pthreads) start_exclusive() handles thread + * stopping correctly. + */ + start_exclusive(); +} + bool qemu_cpu_is_self(CPUState *cpu) { return thread_cpu == cpu; diff --git a/bsd-user/qemu.h b/bsd-user/qemu.h index c1170f14d9..cdb85140f4 100644 --- a/bsd-user/qemu.h +++ b/bsd-user/qemu.h @@ -103,6 +103,7 @@ typedef struct TaskState { } __attribute__((aligned(16))) TaskState; void init_task_state(TaskState *ts); +void stop_all_tasks(void); extern const char *qemu_uname_release; /*