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Tue, 24 Feb 2026 06:41:07 -0800 (PST) From: Warner Losh Date: Tue, 24 Feb 2026 07:40:46 -0700 Subject: [PATCH v4 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: <20260224-bsd-user-claude-v4-22-8ee5ae17056f@bsdimp.com> References: <20260224-bsd-user-claude-v4-0-8ee5ae17056f@bsdimp.com> In-Reply-To: <20260224-bsd-user-claude-v4-0-8ee5ae17056f@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/ZANAwAKAWwc0Sh9sBEAAcsmYgBpnbhoJyhW5gnlzzleCCAkU6jk04mynRyU2qHun PgWTxIlyuWJAjMEAAEKAB0WIQQgNfiUsAqjz3zN4bdsHNEofbARAAUCaZ24aAAKCRBsHNEofbAR AOLuEACCs0rkrfX82A6l+lYQIqazwbXrOzSrWGQWNCbFg7jpOnWFuO/4U7A6Bhn83pV2fdLyOgI f/imFDMEhZsCqlWUCZ8+Vz/LiWEvaucdHHKyWLDr6C1ZK3+OFuYwk9JCQCM3zF+FpZ1WD3Ccjzk 9sPPB9e11XRLkynNM2TxN/gi6Dna2JHQgDKPgspB5wcQDNFhLzwvnwyMGAGlk8riJpyDCa4HGjJ jMuriAwlkyObj1h84l1YdOAAY6NFfktbx2RsJNkRYORRHXyDPK5U9j24dCwSKKZpZn+VBrj2aMr relaVg2A/0N9Kx14C22eN08bewJ4Dlg8N0QzYAuuRrEMTc1eVipXUbs+hsGhn7+EfjB+lAkHscX MLXk2aT6HSjQ0kA492r7pbE7bNVEM/ELN/lfUOT2D+gLUIL+XdCfj+uHj0pYlZeezimHwlajmp9 668mHCKD6+KK4OdsX/iQ+jXolJOcMKqWYWIbzLNcFF6MGW3qm+3T/ol/B7nYssE+XMGBYaol1Gw 1uv+lEAsxEgBGAg9NlytTHFlel/eiG1oitVk84ckkcBLoIdkq84sDay1G2l99ZNLakBSPBlYKTV mZL2NYb7Z2M6SNKnwTeBDkfPe2YC+uf1Y5BL3SUD2MfgCzCt9sfnkSqRsrY8HqawIh00MtSXVRT TJ/j1tL277bdvTQ== 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::32a; envelope-from=imp@bsdimp.com; helo=mail-ot1-x32a.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: 1771944174947158500 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