diff options
| -rw-r--r-- | bsd-user/freebsd/os-stat.h | 74 |
1 files changed, 74 insertions, 0 deletions
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 */ |