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Tue, 24 Feb 2026 06:41:00 -0800 (PST) From: Warner Losh Date: Tue, 24 Feb 2026 07:40:40 -0700 Subject: [PATCH v4 16/24] bsd-user: Add do_bsd_semget implementation MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260224-bsd-user-claude-v4-16-8ee5ae17056f@bsdimp.com> References: <20260224-bsd-user-claude-v4-0-8ee5ae17056f@bsdimp.com> In-Reply-To: <20260224-bsd-user-claude-v4-0-8ee5ae17056f@bsdimp.com> To: qemu-devel@nongnu.org Cc: =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Kyle Evans , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Paolo Bonzini , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Riku Voipio , Warner Losh , Stacey Son , Richard Henderson X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=932; i=imp@bsdimp.com; h=from:subject:message-id; bh=SV0eNLU7fS1XVSTHoXjgS6GD2dK60TDF+cTpamGVRRE=; b=owEBbQKS/ZANAwAKAWwc0Sh9sBEAAcsmYgBpnbhoz+s5CF8ztZ78+6D0st+DJfzXrGtddWC89 9K7EB12LeCJAjMEAAEKAB0WIQQgNfiUsAqjz3zN4bdsHNEofbARAAUCaZ24aAAKCRBsHNEofbAR AFyZD/0Y1+oi4fEkns/SiceyI2U9RxTdQozwaLux+8e+KqJHM6zPW8l2CFwhjQY+r0QXehhqStE XELvavHiwYPz4ZYP3L6WZB4TxZDPmdbLj0x0D0rA3zrBfYQQCusn7oCyjY50+YGM/uA1c6+4U4H bdHyxqw3hKqv35IHfRu+IC92rW2Hl/bBGyir2+KyXDAHN3GBOAyuc3a/4ItJf8jhezz9JGZh+w7 HZtbVpAdVd7J4Y1ZNjaldN4TxocV4WtLaTVZCJaeD4ARBQjmDGqDMDMST8TVoUEu+qV8Iwnc6WP +7iDqFZNvlgLT8VKZ9niHGaCJmhofUqBL7JoJQFq7sYUeZwkx3vZt2HJXlqKhwDz9XnRAMQo/of e+Neniyiaqnacsr+xU44tdXtRVQmxMKrAooJyKoRubVIfrT8c0Mzk9QNEbW9qXbiNkhpH6qpwt8 3qwK9s3Tn+riKxeNRADZPtnR7QcN2i0usJx7D9TQASLQaWD9K+WTGSWmhUiQgTiI4qgHrRal55o xBSXLEuGcoJX1mqsK6xeaiVMTbEHiOxuHhxS6LVSposFlFI5gbw0ig0BtrUtV/96uPu6T0To+rr fv2YxYRUZAyKYwKq59ZP9YPPNEfmSaTXhJqW5z1lqQSUVup4cMgwgFGqtOSR6NKKwRDPeNrKru3 f01Zlxk2USAroNQ== X-Developer-Key: i=imp@bsdimp.com; a=openpgp; fpr=2035F894B00AA3CF7CCDE1B76C1CD1287DB01100 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: none client-ip=2607:f8b0:4864:20::336; envelope-from=imp@bsdimp.com; helo=mail-ot1-x336.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: 2.1.29 Precedence: list List-Id: qemu development 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 @bsdimp-com.20230601.gappssmtp.com) X-ZM-MESSAGEID: 1771944209175158500 From: Stacey Son Add implementation of semget(2) syscall to get System V semaphore set identifier. Converts target IPC flags to host format. Signed-off-by: Stacey Son Reviewed-by: Richard Henderson Signed-off-by: Warner Losh --- bsd-user/bsd-misc.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/bsd-user/bsd-misc.h b/bsd-user/bsd-misc.h index 9f1cc8a0cd..3dffb977a5 100644 --- a/bsd-user/bsd-misc.h +++ b/bsd-user/bsd-misc.h @@ -65,6 +65,18 @@ out: return ret; } =20 +/* + * System V Semaphores + */ + +/* semget(2) */ +static inline abi_long do_bsd_semget(abi_long key, int nsems, + int target_flags) +{ + return get_errno(semget(key, nsems, + target_to_host_bitmask(target_flags, ipc_flags_tbl))); +} + /* getdtablesize(2) */ static inline abi_long do_bsd_getdtablesize(void) { --=20 2.52.0