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Sun, 08 Feb 2026 11:26:51 -0800 (PST) From: Warner Losh Date: Sun, 08 Feb 2026 12:26:28 -0700 Subject: [PATCH v2 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: <20260208-bsd-user-claude-v2-19-58e5fcfdb84f@bsdimp.com> References: <20260208-bsd-user-claude-v2-0-58e5fcfdb84f@bsdimp.com> In-Reply-To: <20260208-bsd-user-claude-v2-0-58e5fcfdb84f@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=1889; i=imp@bsdimp.com; h=from:subject:message-id; bh=vqCCi/gzXNqsKM8T7dejd96Ao9og9YHb3338sylYGIw=; b=owEBbAKT/ZANAwAKAWwc0Sh9sBEAAcsmYgBpiONhbpYMeqnANGVlS8b7cn0A5vEg2OGEF2PWx 3fLDOiHGGWJAjIEAAEKAB0WIQQgNfiUsAqjz3zN4bdsHNEofbARAAUCaYjjYQAKCRBsHNEofbAR ABpkD/jZ6nbaDH1jPcqUKKfBBkQtI+zB6X3qnzIwC1OdRRD2POkVUAVP3FtSECApzeEe1uf6CVy KEkgSdRl0Z/2hgTv1k7rBOg7qmHDa+lbV+tDYySiChLKRylLkdVx8XEfyCRXjFzX+zJ4DGYwd+R kdVNCqI0GTSvKF0gd/3RB1FzDZkzwg02g7ZxEkIRz0pZ0xRJJ80Wp4aEklGZqojWwnpjW4ZAnVo q+EacZ7gQ9+I0xOyCWMAEE8IiKoU3lJROKBpGM/yd9UELO0geI9SzvH+tlJtxURYTeqq9X6ZREz o2IpT09CEO+/a+yixsC8mcdctaNFpQcs6kSu6Un1gLFZ2Xy+n3VZ/2ljgbc1Pq2ZGgvgCUv+01R iaiaLV4JPGtIrq9RnEBhSBe6O+aZoyG8PGpYMQ5lVcgKAmj8EbdSZXlQSRndCjWMVFKxqffssmC jjVz++/Lx6SKZmjtYDwnWl/ynEzhgTdPHCDqU7HgwFLSrCMErwp4C7tTzcKJtepOY2KBk/bxQ8Q mxE2ulKuaPInSH/xfX4LRFniHiqlKmV2BwzpWniFJ0NIR/0NdQ9H+5IVdQz1GG6O4Je6lZ98bxl gWGigl42yXm7oQ0ILuC3WzTSuoYbCUoJJLqq3Ql0p5a7Kn6Rd5ZlPeflzuzLWabG3ihF1W3TqIb SeraNEKVZEI8w 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::c2a; envelope-from=imp@bsdimp.com; helo=mail-oo1-xc2a.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: 1770579005929154100 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 d3ce01a2a3..a45fe8edb5 100644 --- a/bsd-user/bsd-misc.h +++ b/bsd-user/bsd-misc.h @@ -221,6 +221,53 @@ static inline abi_long do_bsd___semctl(int semid, int = semnum, int target_cmd, 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