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Tue, 24 Feb 2026 06:41:04 -0800 (PST) From: Warner Losh Date: Tue, 24 Feb 2026 07:40:43 -0700 Subject: [PATCH v4 19/24] bsd-user: Add do_bsd_msgctl implementation MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260224-bsd-user-claude-v4-19-8ee5ae17056f@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=1816; i=imp@bsdimp.com; h=from:subject:message-id; bh=+aPWXFlolcJgREkhCBhuuvqaTVfoCu3VHmTRqGie1KA=; b=owEBbQKS/ZANAwAKAWwc0Sh9sBEAAcsmYgBpnbho/+zDiyyH7c3C60WR+MF3HuDxnL15STa0q AZ1qfLCez2JAjMEAAEKAB0WIQQgNfiUsAqjz3zN4bdsHNEofbARAAUCaZ24aAAKCRBsHNEofbAR AC9vD/0Y1l7Mn+7lXbm08foLLpR6WlHwc9QUlZKMOd/TtLf4eKtU71jQI6OZPoiEm32R5F1ceBG S8TTXIco2RniUMhwX9cgUX/Fygu0C9aGabx1BhDdZMahIfWheH6E0+dsGDqwRjZLOH3zeWS/ozC SUeD3RowCBiaP6Qwpn98+0Onr3/CJulxjzYMrbQZnGflguJovtr/emDze22UVlHhGzl9R3CqQ0V BJ9ll0HqCTPpAKBlRIWcjz4ZafjENEDrpUqiUP7Nh45Pb0KIQMdC/j8s5/tdgvM75uv2YC3IcnZ J1p9wr0oIRPxgogp+bAWHNPeaPGGJFEDSTGKID7G4AcheIRQnESr2Ap4n0EYxQmeE/Fpx5TPy09 dIyqQXgxqWZ1JYTcn0mnO2wlnpC9MC1srHl4IioPZMO3wNC6F1Ey4qr/jEhsEBUKQezeIRFUe+Y DG5xyb4CofVZPp0ft/21dm9srGMtLIbREmpygUnVTtYXhpa6dULfFhdsC0yFVGo3Q4WzmMf8IPF XB4x20ixmLyaRpXcDFu2hIzvePlmIhlUh3LpEOZnMotuxu+T5XX8AW0v0+/s8MeCAwA/ngmAK71 Z0Uc2pdr0+5xOG+gIXSnduSRXFKMrE8fS5Sr3SF9wE5I9LaRcQI+rng46RWbkhbR+THU//JGGAf eqXkiCZ6wl81zbg== 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::333; envelope-from=imp@bsdimp.com; helo=mail-ot1-x333.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: 1771944154878158500 From: Stacey Son Add implementation of msgctl(2) syscall for System V message queue control operations. Handles command translation and structure conversions for IPC_STAT/IPC_SET/IPC_RMID operations. Signed-off-by: Stacey Son Reviewed-by: Richard Henderson Signed-off-by: Warner Losh --- bsd-user/bsd-misc.h | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/bsd-user/bsd-misc.h b/bsd-user/bsd-misc.h index 72b3db0b74..2e9de50ef9 100644 --- a/bsd-user/bsd-misc.h +++ b/bsd-user/bsd-misc.h @@ -210,6 +210,53 @@ out: return ret; } =20 +/* msgctl(2) */ +static inline abi_long do_bsd_msgctl(int msgid, int target_cmd, abi_long p= tr) +{ + struct msqid_ds dsarg; + abi_long ret =3D -TARGET_EINVAL; + int host_cmd; + + switch (target_cmd) { + case TARGET_IPC_STAT: + host_cmd =3D IPC_STAT; + break; + + case TARGET_IPC_SET: + host_cmd =3D IPC_SET; + break; + + case TARGET_IPC_RMID: + host_cmd =3D IPC_RMID; + break; + + default: + return -TARGET_EINVAL; + } + + switch (host_cmd) { + case IPC_STAT: + case IPC_SET: + if (target_to_host_msqid_ds(&dsarg, ptr)) { + return -TARGET_EFAULT; + } + ret =3D get_errno(msgctl(msgid, host_cmd, &dsarg)); + if (host_to_target_msqid_ds(ptr, &dsarg)) { + return -TARGET_EFAULT; + } + break; + + case IPC_RMID: + ret =3D get_errno(msgctl(msgid, host_cmd, NULL)); + break; + + default: + ret =3D -TARGET_EINVAL; + break; + } + return ret; +} + /* getdtablesize(2) */ static inline abi_long do_bsd_getdtablesize(void) { --=20 2.52.0