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Sun, 13 Aug 2023 12:43:24 -0700 (PDT) From: Karim Taha To: qemu-devel@nongnu.org Cc: imp@bsdimp.com, Stacey Son , Karim Taha , Richard Henderson Subject: [PATCH v3 21/32] Implement stat related syscalls Date: Sun, 13 Aug 2023 10:41:42 +0200 Message-Id: <20230813084153.6510-22-kariem.taha2.7@gmail.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230813084153.6510-1-kariem.taha2.7@gmail.com> References: <20230813084153.6510-1-kariem.taha2.7@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::32c; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x32c.google.com X-Spam_score_int: -2 X-Spam_score: -0.3 X-Spam_bar: / X-Spam_report: (-0.3 / 5.0 requ) BAYES_00=-1.9, DATE_IN_PAST_06_12=1.543, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Stacey Son Implement the following syscalls: fcntl(2) Signed-off-by: Stacey Son Signed-off-by: Karim Taha Reviewed-by: Richard Henderson --- bsd-user/freebsd/os-stat.h | 74 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) diff --git a/bsd-user/freebsd/os-stat.h b/bsd-user/freebsd/os-stat.h index 7dc41cd0bf..5d9323c7d1 100644 --- a/bsd-user/freebsd/os-stat.h +++ b/bsd-user/freebsd/os-stat.h @@ -351,4 +351,78 @@ static inline abi_long do_freebsd_getdirentries(abi_long arg1, return ret; } +/* fcntl(2) */ +static inline abi_long do_freebsd_fcntl(abi_long arg1, abi_long arg2, + abi_ulong arg3) +{ + abi_long ret; + int host_cmd; + struct flock fl; + struct target_freebsd_flock *target_fl; + + host_cmd = target_to_host_fcntl_cmd(arg2); + if (host_cmd < 0) { + return host_cmd; + } + switch (arg2) { + case TARGET_F_GETLK: + if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) { + return -TARGET_EFAULT; + } + __get_user(fl.l_type, &target_fl->l_type); + __get_user(fl.l_whence, &target_fl->l_whence); + __get_user(fl.l_start, &target_fl->l_start); + __get_user(fl.l_len, &target_fl->l_len); + __get_user(fl.l_pid, &target_fl->l_pid); + __get_user(fl.l_sysid, &target_fl->l_sysid); + unlock_user_struct(target_fl, arg3, 0); + ret = get_errno(safe_fcntl(arg1, host_cmd, &fl)); + if (!is_error(ret)) { + if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0)) { + return -TARGET_EFAULT; + } + __put_user(fl.l_type, &target_fl->l_type); + __put_user(fl.l_whence, &target_fl->l_whence); + __put_user(fl.l_start, &target_fl->l_start); + __put_user(fl.l_len, &target_fl->l_len); + __put_user(fl.l_pid, &target_fl->l_pid); + __put_user(fl.l_sysid, &target_fl->l_sysid); + unlock_user_struct(target_fl, arg3, 1); + } + break; + + case TARGET_F_SETLK: + case TARGET_F_SETLKW: + if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) { + return -TARGET_EFAULT; + } + __get_user(fl.l_type, &target_fl->l_type); + __get_user(fl.l_whence, &target_fl->l_whence); + __get_user(fl.l_start, &target_fl->l_start); + __get_user(fl.l_len, &target_fl->l_len); + __get_user(fl.l_pid, &target_fl->l_pid); + __get_user(fl.l_sysid, &target_fl->l_sysid); + unlock_user_struct(target_fl, arg3, 0); + ret = get_errno(safe_fcntl(arg1, host_cmd, &fl)); + break; + + case TARGET_F_DUPFD: + case TARGET_F_DUP2FD: + case TARGET_F_GETOWN: + case TARGET_F_SETOWN: + case TARGET_F_GETFD: + case TARGET_F_SETFD: + case TARGET_F_GETFL: + case TARGET_F_SETFL: + case TARGET_F_READAHEAD: + case TARGET_F_RDAHEAD: + case TARGET_F_ADD_SEALS: + case TARGET_F_GET_SEALS: + default: + ret = get_errno(safe_fcntl(arg1, host_cmd, arg3)); + break; + } + return ret; +} + #endif /* BSD_USER_FREEBSD_OS_STAT_H */