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[50.253.99.174]) by smtp.gmail.com with ESMTPSA id o11sm14323111ilm.20.2022.01.28.15.28.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 Jan 2022 15:28:06 -0800 (PST) From: Warner Losh To: qemu-devel@nongnu.org Subject: [PATCH v3 06/40] bsd-user: Bring in docs from linux-user for signal_pending Date: Fri, 28 Jan 2022 16:27:31 -0700 Message-Id: <20220128232805.86191-7-imp@bsdimp.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20220128232805.86191-1-imp@bsdimp.com> References: <20220128232805.86191-1-imp@bsdimp.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::136 (failed) Received-SPF: none client-ip=2607:f8b0:4864:20::136; envelope-from=imp@bsdimp.com; helo=mail-il1-x136.google.com X-Spam_score_int: 8 X-Spam_score: 0.8 X-Spam_bar: / X-Spam_report: (0.8 / 5.0 requ) DKIM_SIGNED=0.1, DKIM_VALID=-0.1, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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: , Cc: Peter Maydell , Kyle Evans , Richard Henderson , def@FreeBSD.org, jrtc27@FreeBSD.org, Warner Losh Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This is currently unused, so no code adjustments are needed. Signed-off-by: Warner Losh Reviewed-by: Richard Henderson --- bsd-user/qemu.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/bsd-user/qemu.h b/bsd-user/qemu.h index 4dd209e402d..671b26f00cc 100644 --- a/bsd-user/qemu.h +++ b/bsd-user/qemu.h @@ -86,7 +86,14 @@ typedef struct TaskState { struct image_info *info; struct emulated_sigtable sigtab[TARGET_NSIG]; - int signal_pending; /* non zero if a signal may be pending */ + /* + * Nonzero if process_pending_signals() needs to do something (either + * handle a pending signal or unblock signals). + * This flag is written from a signal handler so should be accessed via + * the qatomic_read() and qatomic_set() functions. (It is not accessed + * from multiple threads.) + */ + int signal_pending; uint8_t stack[]; } __attribute__((aligned(16))) TaskState; -- 2.33.1