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Sun, 08 Feb 2026 11:26:55 -0800 (PST) From: Warner Losh Date: Sun, 08 Feb 2026 12:26:31 -0700 Subject: [PATCH v2 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: <20260208-bsd-user-claude-v2-22-58e5fcfdb84f@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=1441; i=imp@bsdimp.com; h=from:subject:message-id; bh=8FLdgu0IsMrVsvsv4WPcofKeszO26XyJbuXenbnBrnk=; b=owEBbQKS/ZANAwAKAWwc0Sh9sBEAAcsmYgBpiONhuqdl0SKw6E/QCxY6DYP5Xz4rXhVAQRNdc 8ZPTRIbOXuJAjMEAAEKAB0WIQQgNfiUsAqjz3zN4bdsHNEofbARAAUCaYjjYQAKCRBsHNEofbAR AOk5D/4uddDT4OhpKg1Gm2kKdtM31FrwjWdcLprgbK/0M/PMDkgaK6OteYfs1VfAw7ewW/maNQL ZUlg31+Aao6l5YbttluW72bKrZZbWQTxBYU2ejX14FTMJWWYlDVn29Yjo/UFnsDplW7/qiH0xW6 KoPvNmSN03fs5us5PSqTyJnJ82J4scna1yFAJegF+Ga+3W3j8cyqj0bpCzEsx8MtuopUElBkAxI 9wAeZa0U6+dxsLx5T4EYmzUhDLlwV+Ui2drvn8wvEwBPdonhfbGRQLicKekrEtnEU4HiHTRMa3b h1/JY0qs/gyWm3qbCviXERBKakfmzugs8TWKo/89Ee5kXyvYbWmUGbQq5/5HPtKvUfy/GdpJ9Yq P5mQ+oEGgpiw8beG6+IpmbVZb0AoXvfByljBIJZuvNpzgUILIQ49Ef0B72hTljK043gmS9KT4Tj bqkz9lYoWDgSTVNlsJ/bnQjCk4KeU17Ns8xZlKdMl5brf4FNGHLc86f3pqusTVFUPoBClm+Gm2E ldsbVgjXuPfAtGziKAF+PMIGkBALUvZ3nRDpYf0AyFwOutshWWdRsa19aEgLpRHc+10vV6m9GuF zwB+sAqkGI2g8UDc2xWnmmiigx/zNSAot68xhhE1E+sy3kyvMpNqgkmGTPkKgYGa4gBOXnCpnuc lyRrKvIcpLixn0Q== 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::22c; envelope-from=imp@bsdimp.com; helo=mail-oi1-x22c.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: 1770579038427154100 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 Signed-off-by: Warner Losh Reviewed-by: Richard Henderson --- 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 ca2f6fdb66..ecdd5d7628 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -37,6 +37,7 @@ #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" @@ -879,6 +880,21 @@ 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