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GET /api/1.0/patches/2198015/?format=api
{ "id": 2198015, "url": "http://patchwork.ozlabs.org/api/1.0/patches/2198015/?format=api", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.0/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20260218-bsd-user-claude-v3-18-0137b37b221e@bsdimp.com>", "date": "2026-02-19T05:22:41", "name": "[v3,18/24] bsd-user: Add do_bsd___semctl implementation", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "7f9b55bb25581d60f2b9ee88c368213bf8d82f59", "submitter": { "id": 1896, "url": "http://patchwork.ozlabs.org/api/1.0/people/1896/?format=api", "name": "Warner Losh", "email": "imp@bsdimp.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260218-bsd-user-claude-v3-18-0137b37b221e@bsdimp.com/mbox/", "series": [ { "id": 492638, "url": "http://patchwork.ozlabs.org/api/1.0/series/492638/?format=api", "date": "2026-02-19T05:22:26", "name": "bsd-user: Upstream misc system calls (System V IPC, reboot, etc)", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/492638/mbox/" } ], "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2198015/checks/", "tags": {}, "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=bsdimp-com.20230601.gappssmtp.com\n header.i=@bsdimp-com.20230601.gappssmtp.com header.a=rsa-sha256\n header.s=20230601 header.b=Kvz65PdW;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260218-bsd-user-claude-v3-18-0137b37b221e@bsdimp.com>", "References": "<20260218-bsd-user-claude-v3-0-0137b37b221e@bsdimp.com>", "In-Reply-To": "<20260218-bsd-user-claude-v3-0-0137b37b221e@bsdimp.com>", "To": "qemu-devel@nongnu.org", "Cc": "=?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= <berrange@redhat.com>,\n Kyle Evans <kevans@freebsd.org>,\n =?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>,\n Paolo Bonzini <pbonzini@redhat.com>,\n =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org>,\n Riku Voipio <riku.voipio@iki.fi>, Warner Losh <imp@bsdimp.com>,\n Stacey Son <sson@FreeBSD.org>", "X-Mailer": "b4 0.14.3", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=3747; i=imp@bsdimp.com;\n h=from:subject:message-id; bh=CS/V5WC8Srq1FLPmW0uAGJGedye01GRaBY0Hn5RlDX8=;\n b=owEBbQKS/ZANAwAKAWwc0Sh9sBEAAcsmYgBplp4scuf4hpBud14pWQ4s+2Q0smTeW0bIjC1eb\n xjd0aE2W8KJAjMEAAEKAB0WIQQgNfiUsAqjz3zN4bdsHNEofbARAAUCaZaeLAAKCRBsHNEofbAR\n AKrtD/oDSX0WMFYuMgGVQHIlSbK2dszJ5stfUL3NpKuqeAtFbh/iRHTapGWcNZiITmld3njxm17\n eEQG8mXAurEXY6hhXc1CWNEqwh5rwDiSdj9DR8Z6q43xUhfg4fZn89mYukS46okGWFGGMnJFSs3\n SSu/XwqBAh8/MmEBxG0YqSelYtX5m/waGT8n81jNqwanAbwoc1CYbWG943cmcc/sIIFMmBS+wW+\n eQ93wxN0rcTXboQe03NsTB2G+po7aYMJ47oK2mC20lI79tmAlbKcnfXGuFrn511obmhfyeRXU29\n eR27TlDV0050RZjcU1P83oMyWrBUz0Ts5S3/uYUj4ItaishHG2Vc9n72DzJ5yMMtAMmkaXeOi9X\n a3VWh4kZrLMHBOG63gElzDqe76zHC2NY8aPv302AIBmjxbI/y69rcOYBcWYSFgO3CrJD2FElWWn\n /ZtjSS3g1PrvqacuT9QhDqjpXVhZstKziDv2/sF9FeaYollHkdUJ6O1v+k9TQsUjV1OmehMbUV4\n Xwdda+59jhnfiD239bxftTUmURGeJKuvKg4tJ3bectYWB4/n+WjZW5/8837nO0rdX71IohlReUo\n he8AZvInTM55HbAS+qVHXwgJZT+9BgEGr1VdX9PdZ6921vQ8AxcHzNOnqDOBWsfLPvaoWQ5bnls\n 0DtXW0Q5E5HH7cw==", "X-Developer-Key": "i=imp@bsdimp.com; a=openpgp;\n fpr=2035F894B00AA3CF7CCDE1B76C1CD1287DB01100", "Received-SPF": "none client-ip=2607:f8b0:4864:20::236;\n envelope-from=imp@bsdimp.com; helo=mail-oi1-x236.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,\n DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n 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 <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "From: Stacey Son <sson@FreeBSD.org>\n\nAdd implementation of __semctl(2) syscall for System V semaphore control\noperations. Handles command translation, endianness conversion for GETVAL/\nSETVAL, and array/structure conversions for GETALL/SETALL/IPC_STAT/IPC_SET.\n\nSigned-off-by: Stacey Son <sson@FreeBSD.org>\nSigned-off-by: Warner Losh <imp@bsdimp.com>\n---\n bsd-user/bsd-misc.h | 116 ++++++++++++++++++++++++++++++++++++++++++++++++++++\n 1 file changed, 116 insertions(+)", "diff": "diff --git a/bsd-user/bsd-misc.h b/bsd-user/bsd-misc.h\nindex e1e552b58f..cb7fe1d6d0 100644\n--- a/bsd-user/bsd-misc.h\n+++ b/bsd-user/bsd-misc.h\n@@ -99,6 +99,122 @@ static inline abi_long do_bsd_semop(int semid, abi_long ptr, unsigned nsops)\n return semop(semid, sops, nsops);\n }\n \n+/* __semctl(2) */\n+static inline abi_long do_bsd___semctl(int semid, int semnum, int target_cmd,\n+ abi_ptr un_ptr)\n+{\n+ void *target_un;\n+ union semun arg;\n+ struct semid_ds dsarg;\n+ unsigned short *array = NULL;\n+ int host_cmd;\n+ abi_long ret = 0;\n+ abi_long err;\n+ abi_ulong target_array, target_buffer;\n+\n+ switch (target_cmd) {\n+ case TARGET_GETVAL:\n+ host_cmd = GETVAL;\n+ break;\n+\n+ case TARGET_SETVAL:\n+ host_cmd = SETVAL;\n+ break;\n+\n+ case TARGET_GETALL:\n+ host_cmd = GETALL;\n+ break;\n+\n+ case TARGET_SETALL:\n+ host_cmd = SETALL;\n+ break;\n+\n+ case TARGET_IPC_STAT:\n+ host_cmd = IPC_STAT;\n+ break;\n+\n+ case TARGET_IPC_SET:\n+ host_cmd = IPC_SET;\n+ break;\n+\n+ case TARGET_IPC_RMID:\n+ host_cmd = IPC_RMID;\n+ break;\n+\n+ case TARGET_GETPID:\n+ host_cmd = GETPID;\n+ break;\n+\n+ case TARGET_GETNCNT:\n+ host_cmd = GETNCNT;\n+ break;\n+\n+ case TARGET_GETZCNT:\n+ host_cmd = GETZCNT;\n+ break;\n+\n+ default:\n+ return -TARGET_EINVAL;\n+ }\n+\n+ /*\n+ * Unlike Linux and the semctl system call, we take a pointer\n+ * to the union arg here.\n+ */\n+ target_un = lock_user(VERIFY_READ, un_ptr, sizeof(union target_semun), 1);\n+\n+ switch (host_cmd) {\n+ case GETVAL:\n+ case SETVAL:\n+ __get_user(arg.val, (abi_int *)target_un);\n+ ret = get_errno(semctl(semid, semnum, host_cmd, arg));\n+ break;\n+\n+ case GETALL:\n+ case SETALL:\n+ __get_user(target_array, (abi_ulong *)target_un);\n+ err = target_to_host_semarray(semid, &array, target_array);\n+ if (is_error(err)) {\n+ return err;\n+ }\n+ arg.array = array;\n+ ret = get_errno(semctl(semid, semnum, host_cmd, arg));\n+ err = host_to_target_semarray(semid, target_array, &array);\n+ if (is_error(err)) {\n+ return err;\n+ }\n+ break;\n+\n+ case IPC_STAT:\n+ case IPC_SET:\n+ __get_user(target_buffer, (abi_ulong *)target_un);\n+ err = target_to_host_semid_ds(&dsarg, target_buffer);\n+ if (is_error(err)) {\n+ return err;\n+ }\n+ arg.buf = &dsarg;\n+ ret = get_errno(semctl(semid, semnum, host_cmd, arg));\n+ err = host_to_target_semid_ds(target_buffer, &dsarg);\n+ if (is_error(err)) {\n+ return err;\n+ }\n+ break;\n+\n+ case IPC_RMID:\n+ case GETPID:\n+ case GETNCNT:\n+ case GETZCNT:\n+ ret = get_errno(semctl(semid, semnum, host_cmd, NULL));\n+ break;\n+\n+ default:\n+ ret = -TARGET_EINVAL;\n+ break;\n+ }\n+ unlock_user(target_un, un_ptr, 1);\n+ return ret;\n+}\n+\n /* getdtablesize(2) */\n static inline abi_long do_bsd_getdtablesize(void)\n {\n", "prefixes": [ "v3", "18/24" ] }