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Sun, 08 Feb 2026 11:26:42 -0800 (PST) From: Warner Losh Date: Sun, 08 Feb 2026 12:26:22 -0700 Subject: [PATCH v2 13/24] bsd-user: Add semaphore operation constants and structures MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260208-bsd-user-claude-v2-13-58e5fcfdb84f@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 X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1719; i=imp@bsdimp.com; h=from:subject:message-id; bh=aq4J1NbSDe3bY6QqDo8Po9Ls3EHts8O0TzcGhj34zGM=; b=owEBbQKS/ZANAwAKAWwc0Sh9sBEAAcsmYgBpiONgEFHO+wYpCGTInmeXU8XZupVa22C63xeyC W+0cBsSTESJAjMEAAEKAB0WIQQgNfiUsAqjz3zN4bdsHNEofbARAAUCaYjjYAAKCRBsHNEofbAR ADDvD/9/dtHTJmfTWFza2fXC5G+J2PjZTH6lvZEVqo8bZcVJRCsMVrL437x5J3OjjXaxnPgndYG WUPTgtPgIFxU3rFTBnWuHjfua3SNFohUptw5dTUGqFLmR2VLiL7HMA8wMa/MN9pWoZ/x1UO5FJK OirnNOF88/cXqkAEpwIS8Ax0SeOWovbP6jBS84t2d/iwwBSm+SVv9zmk6wP5R5tD+g2fVPqZvul DRD9UUULbmN+3nCOO5RsBIJQpuRm/E3huv1erxq5tDaS6lk81w40Ex/xGCOkqMM1rXj8c0ESHyU kd7WBM2qAsRz9ERvVo+ZU+0fk1RHtjRQmNPknF4AC3t2zb7OV5eN89EK5LCMmXcbululUuo5Etz 7BXntpgmYu4OkUxyg9vHHmLiNKsZrUFQfkTpGx0tnpX5vvy8ssUYUwk0tSbgzAA9itthLPMTSGs HgxN6PI/jM4u/G+uRq1n8Wq2H89mhB7N5/8b/Kn0+apCUPK0Q/0t3JZpMyd/QVQimJqVH8t6yHH v6tYgEvLrONud5gTgYR5VC2HAJjLJqu3FUx8NGXr6UKJr1HCQxEaOvEjBFkeK6UpN9hrj2Xf+BA qxr5epKet+xY+o7bLgEQ/8034rrC6CBkKBi2A5DdQy7gmnbBjLKP1UzrgmifKsvzAgEPcKfeiVV fbo5oDbTVHzr6dg== 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::c30; envelope-from=imp@bsdimp.com; helo=mail-oo1-xc30.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: 1770579010216154100 Add System V semaphore operation constants (GETVAL, SETVAL, GETALL, etc.) and the target_sembuf and target_semun structures needed for semop(2) and semctl(2) syscall emulation. Signed-off-by: Stacey Son Signed-off-by: Warner Losh Reviewed-by: Richard Henderson --- bsd-user/syscall_defs.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/bsd-user/syscall_defs.h b/bsd-user/syscall_defs.h index 972bcc425e..6a789b2a29 100644 --- a/bsd-user/syscall_defs.h +++ b/bsd-user/syscall_defs.h @@ -95,6 +95,26 @@ struct bsd_shm_regions { /* * sys/sem.h */ +#define TARGET_GETNCNT 3 /* Return the value of semncnt {READ} */ +#define TARGET_GETPID 4 /* Return the value of sempid {READ} */ +#define TARGET_GETVAL 5 /* Return the value of semval {READ} */ +#define TARGET_GETALL 6 /* Return semvals into arg.array {READ} */ +#define TARGET_GETZCNT 7 /* Return the value of semzcnt {READ} */ +#define TARGET_SETVAL 8 /* Set the value of semval to arg.val {ALTER} = */ +#define TARGET_SETALL 9 /* Set semvals from arg.array {ALTER} */ + +struct target_sembuf { + abi_ushort sem_num; /* semaphore # */ + abi_short sem_op; /* semaphore operation */ + abi_short sem_flg; /* operation flags */ +}; + +union target_semun { + abi_int val; /* value for SETVAL */ + abi_ulong buf; /* buffer for IPC_STAT & IPC_SET */ + abi_ulong array; /* array for GETALL & SETALL */ +}; + struct target_semid_ds { struct target_ipc_perm sem_perm; /* operation permission struct */ abi_ptr sem_base; /* pointer to first semaphore in set */ --=20 2.52.0