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Wed, 18 Feb 2026 21:23:07 -0800 (PST) From: Warner Losh Date: Wed, 18 Feb 2026 22:22:45 -0700 Subject: [PATCH v3 22/24] bsd-user: Implement System V semaphore calls MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260218-bsd-user-claude-v3-22-0137b37b221e@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?= , 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=1504; i=imp@bsdimp.com; h=from:subject:message-id; bh=G/MtAZXxblLExrmekUauAECEshkdpeArgaMJyuYCSAQ=; b=owEBbQKS/ZANAwAKAWwc0Sh9sBEAAcsmYgBplp4tawZfjZDE5ZCFv/VXyMNp3sNYR8jOSJu2/ 2NDA2P2QU2JAjMEAAEKAB0WIQQgNfiUsAqjz3zN4bdsHNEofbARAAUCaZaeLQAKCRBsHNEofbAR AFN0D/9k9ZIyyHkKkA7JJos6dRxn2YUauvZp4+1RQ64eP1t59Nh4yA0TiqxwJ6sSQDv7+8Df1eE Jkba3aMQWbS46casm/HdAufnGPn8xaPeRHfRb8I/zGUvXCbzQ7GfJqJixc6O7HXIsAHW1TyCB1b SROBAe+5X+dLOLm2nlBgfvZWB6EfVh8sdoPsuvkHASvUEmYTkEETeDMva1VWhiApnrp5whS83M8 N2305iICidt3E8PDvDDPaO7O6z9kqM+t08TrGDoCjOPmOz3uuD5mJKCY9JjmvkgYt8u+C3Q9UEJ +Ja6KwINCpqcB4toalAoPenJewauzyArFihmQqyCB2Ejv5cZcDgt5dVRtxPsvaJRf2v63zlW202 cf4/cZv/Sz3Rh/BguCtRnPwLu2xHjPoAdjvXftykcjsQ1IsKdO/4/YZi+gO2+f2uRJKxFcF0HiF 0ffnJgJZw/QbH/l2rT/m8uNSRT2BbbRbCb5xfwV3J7BkvymktKmHyVrwV0MIZKqzQe+0DMItk+3 W2Ir24XBt8Zzf2D5WpId4o54NrX9DS5HDSCZ0NSsnmiyIIvI569Ywc30EDEBBbYWUUwZXbHofi0 ENbBxbKhQ2mZ4n4qyM9UstStfovSYidmEg1Aj4dm4skFCllSn6V6MPcKgdvYLFxe6LD/gAUUbYa ThSEx9K3v4thc6w== 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::c2b; envelope-from=imp@bsdimp.com; helo=mail-oo1-xc2b.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: 1771478676502154100 From: Stacey Son Wire up semget(2) and semop(2) syscalls to get System V semaphore implementation, as well the undocumented __semctl used to implement the bits of the interface in libc. Signed-off-by: Stacey Son Reviewed-by: Richard Henderson Signed-off-by: Warner Losh --- bsd-user/freebsd/os-syscall.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index 4c1191b8f4..234bd78fd2 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -36,6 +36,7 @@ #include "bsd-file.h" #include "bsd-mem.h" #include "bsd-proc.h" +#include "bsd-misc.h" =20 /* BSD dependent syscall shims */ #include "os-stat.h" @@ -878,6 +879,21 @@ static abi_long freebsd_syscall(void *cpu_env, int num= , abi_long arg1, ret =3D do_bsd_shmdt(arg1); break; =20 + /* + * System V Semaphores + */ + case TARGET_FREEBSD_NR_semget: /* semget(2) */ + ret =3D do_bsd_semget(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_semop: /* semop(2) */ + ret =3D do_bsd_semop(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR___semctl: { /* __semctl() undocumented */ + ret =3D do_bsd___semctl(arg1, arg2, arg3, arg4); + break; + } case TARGET_FREEBSD_NR_freebsd11_vadvise: ret =3D do_bsd_vadvise(); break; --=20 2.52.0