--- /dev/null
+diff --git a/Cargo.toml b/Cargo.toml
+index 47ecced..ec6e7c9 100644
+--- a/Cargo.toml
++++ b/Cargo.toml
+@@ -12,6 +12,7 @@ readme = "README.md"
+ documentation = "https://docs.rs/wasi"
+
+ [dependencies]
++bitflags = "1.1.0"
+
+ [badges]
+ maintenance = { status = "experimental" }
+diff --git a/src/lib.rs b/src/lib.rs
+index 42e13ea..03d3d19 100644
+--- a/src/lib.rs
++++ b/src/lib.rs
+@@ -13,4 +13,7 @@
+ )]
+ #![no_std]
+
++#[macro_use]
++extern crate bitflags;
++
+ pub mod wasi_unstable;
+diff --git a/src/wasi_unstable/mod.rs b/src/wasi_unstable/mod.rs
+index 4703cc9..b3fd897 100644
+--- a/src/wasi_unstable/mod.rs
++++ b/src/wasi_unstable/mod.rs
+@@ -19,27 +19,18 @@ pub type Clockid = __wasi_clockid_t;
+ pub type Device = __wasi_device_t;
+ pub type Dircookie = __wasi_dircookie_t;
+ pub type Errno = __wasi_errno_t;
+-pub type Eventrwflags = __wasi_eventrwflags_t;
+ pub type Eventtype = __wasi_eventtype_t;
+ pub type Exitcode = __wasi_exitcode_t;
+ pub type Fd = __wasi_fd_t;
+-pub type Fdflags = __wasi_fdflags_t;
+ pub type Filedelta = __wasi_filedelta_t;
+ pub type Filesize = __wasi_filesize_t;
+ pub type Filetype = __wasi_filetype_t;
+-pub type Fstflags = __wasi_fstflags_t;
+ pub type Inode = __wasi_inode_t;
+ pub type Linkcount = __wasi_linkcount_t;
+-pub type Lookupflags = __wasi_lookupflags_t;
+-pub type Oflags = __wasi_oflags_t;
+ pub type Preopentype = __wasi_preopentype_t;
+-pub type Riflags = __wasi_riflags_t;
+-pub type Rights = __wasi_rights_t;
+ pub type Roflags = __wasi_roflags_t;
+-pub type Sdflags = __wasi_sdflags_t;
+ pub type Siflags = __wasi_siflags_t;
+ pub type Signal = __wasi_signal_t;
+-pub type Subclockflags = __wasi_subclockflags_t;
+ pub type Timestamp = __wasi_timestamp_t;
+ pub type Userdata = __wasi_userdata_t;
+ pub type Whence = __wasi_whence_t;
+@@ -52,189 +43,231 @@ pub type Subscription = __wasi_subscription_t;
+ pub type Event = __wasi_event_t;
+ pub type Prestat = __wasi_prestat_t;
+
+-pub const ADVICE_NORMAL: u8 = __WASI_ADVICE_NORMAL;
+-pub const ADVICE_SEQUENTIAL: u8 = __WASI_ADVICE_SEQUENTIAL;
+-pub const ADVICE_RANDOM: u8 = __WASI_ADVICE_RANDOM;
+-pub const ADVICE_WILLNEED: u8 = __WASI_ADVICE_WILLNEED;
+-pub const ADVICE_DONTNEED: u8 = __WASI_ADVICE_DONTNEED;
+-pub const ADVICE_NOREUSE: u8 = __WASI_ADVICE_NOREUSE;
+-pub const CLOCK_REALTIME: u32 = __WASI_CLOCK_REALTIME;
+-pub const CLOCK_MONOTONIC: u32 = __WASI_CLOCK_MONOTONIC;
+-pub const CLOCK_PROCESS_CPUTIME_ID: u32 = __WASI_CLOCK_PROCESS_CPUTIME_ID;
+-pub const CLOCK_THREAD_CPUTIME_ID: u32 = __WASI_CLOCK_THREAD_CPUTIME_ID;
+-pub const DIRCOOKIE_START: u64 = __WASI_DIRCOOKIE_START;
+-pub const ESUCCESS: u16 = __WASI_ESUCCESS;
+-pub const E2BIG: u16 = __WASI_E2BIG;
+-pub const EACCES: u16 = __WASI_EACCES;
+-pub const EADDRINUSE: u16 = __WASI_EADDRINUSE;
+-pub const EADDRNOTAVAIL: u16 = __WASI_EADDRNOTAVAIL;
+-pub const EAFNOSUPPORT: u16 = __WASI_EAFNOSUPPORT;
+-pub const EAGAIN: u16 = __WASI_EAGAIN;
+-pub const EALREADY: u16 = __WASI_EALREADY;
+-pub const EBADF: u16 = __WASI_EBADF;
+-pub const EBADMSG: u16 = __WASI_EBADMSG;
+-pub const EBUSY: u16 = __WASI_EBUSY;
+-pub const ECANCELED: u16 = __WASI_ECANCELED;
+-pub const ECHILD: u16 = __WASI_ECHILD;
+-pub const ECONNABORTED: u16 = __WASI_ECONNABORTED;
+-pub const ECONNREFUSED: u16 = __WASI_ECONNREFUSED;
+-pub const ECONNRESET: u16 = __WASI_ECONNRESET;
+-pub const EDEADLK: u16 = __WASI_EDEADLK;
+-pub const EDESTADDRREQ: u16 = __WASI_EDESTADDRREQ;
+-pub const EDOM: u16 = __WASI_EDOM;
+-pub const EDQUOT: u16 = __WASI_EDQUOT;
+-pub const EEXIST: u16 = __WASI_EEXIST;
+-pub const EFAULT: u16 = __WASI_EFAULT;
+-pub const EFBIG: u16 = __WASI_EFBIG;
+-pub const EHOSTUNREACH: u16 = __WASI_EHOSTUNREACH;
+-pub const EIDRM: u16 = __WASI_EIDRM;
+-pub const EILSEQ: u16 = __WASI_EILSEQ;
+-pub const EINPROGRESS: u16 = __WASI_EINPROGRESS;
+-pub const EINTR: u16 = __WASI_EINTR;
+-pub const EINVAL: u16 = __WASI_EINVAL;
+-pub const EIO: u16 = __WASI_EIO;
+-pub const EISCONN: u16 = __WASI_EISCONN;
+-pub const EISDIR: u16 = __WASI_EISDIR;
+-pub const ELOOP: u16 = __WASI_ELOOP;
+-pub const EMFILE: u16 = __WASI_EMFILE;
+-pub const EMLINK: u16 = __WASI_EMLINK;
+-pub const EMSGSIZE: u16 = __WASI_EMSGSIZE;
+-pub const EMULTIHOP: u16 = __WASI_EMULTIHOP;
+-pub const ENAMETOOLONG: u16 = __WASI_ENAMETOOLONG;
+-pub const ENETDOWN: u16 = __WASI_ENETDOWN;
+-pub const ENETRESET: u16 = __WASI_ENETRESET;
+-pub const ENETUNREACH: u16 = __WASI_ENETUNREACH;
+-pub const ENFILE: u16 = __WASI_ENFILE;
+-pub const ENOBUFS: u16 = __WASI_ENOBUFS;
+-pub const ENODEV: u16 = __WASI_ENODEV;
+-pub const ENOENT: u16 = __WASI_ENOENT;
+-pub const ENOEXEC: u16 = __WASI_ENOEXEC;
+-pub const ENOLCK: u16 = __WASI_ENOLCK;
+-pub const ENOLINK: u16 = __WASI_ENOLINK;
+-pub const ENOMEM: u16 = __WASI_ENOMEM;
+-pub const ENOMSG: u16 = __WASI_ENOMSG;
+-pub const ENOPROTOOPT: u16 = __WASI_ENOPROTOOPT;
+-pub const ENOSPC: u16 = __WASI_ENOSPC;
+-pub const ENOSYS: u16 = __WASI_ENOSYS;
+-pub const ENOTCONN: u16 = __WASI_ENOTCONN;
+-pub const ENOTDIR: u16 = __WASI_ENOTDIR;
+-pub const ENOTEMPTY: u16 = __WASI_ENOTEMPTY;
+-pub const ENOTRECOVERABLE: u16 = __WASI_ENOTRECOVERABLE;
+-pub const ENOTSOCK: u16 = __WASI_ENOTSOCK;
+-pub const ENOTSUP: u16 = __WASI_ENOTSUP;
+-pub const ENOTTY: u16 = __WASI_ENOTTY;
+-pub const ENXIO: u16 = __WASI_ENXIO;
+-pub const EOVERFLOW: u16 = __WASI_EOVERFLOW;
+-pub const EOWNERDEAD: u16 = __WASI_EOWNERDEAD;
+-pub const EPERM: u16 = __WASI_EPERM;
+-pub const EPIPE: u16 = __WASI_EPIPE;
+-pub const EPROTO: u16 = __WASI_EPROTO;
+-pub const EPROTONOSUPPORT: u16 = __WASI_EPROTONOSUPPORT;
+-pub const EPROTOTYPE: u16 = __WASI_EPROTOTYPE;
+-pub const ERANGE: u16 = __WASI_ERANGE;
+-pub const EROFS: u16 = __WASI_EROFS;
+-pub const ESPIPE: u16 = __WASI_ESPIPE;
+-pub const ESRCH: u16 = __WASI_ESRCH;
+-pub const ESTALE: u16 = __WASI_ESTALE;
+-pub const ETIMEDOUT: u16 = __WASI_ETIMEDOUT;
+-pub const ETXTBSY: u16 = __WASI_ETXTBSY;
+-pub const EXDEV: u16 = __WASI_EXDEV;
+-pub const ENOTCAPABLE: u16 = __WASI_ENOTCAPABLE;
+-pub const EVENT_FD_READWRITE_HANGUP: u16 = __WASI_EVENT_FD_READWRITE_HANGUP;
+-pub const EVENTTYPE_CLOCK: u8 = __WASI_EVENTTYPE_CLOCK;
+-pub const EVENTTYPE_FD_READ: u8 = __WASI_EVENTTYPE_FD_READ;
+-pub const EVENTTYPE_FD_WRITE: u8 = __WASI_EVENTTYPE_FD_WRITE;
+-pub const FDFLAG_APPEND: u16 = __WASI_FDFLAG_APPEND;
+-pub const FDFLAG_DSYNC: u16 = __WASI_FDFLAG_DSYNC;
+-pub const FDFLAG_NONBLOCK: u16 = __WASI_FDFLAG_NONBLOCK;
+-pub const FDFLAG_RSYNC: u16 = __WASI_FDFLAG_RSYNC;
+-pub const FDFLAG_SYNC: u16 = __WASI_FDFLAG_SYNC;
+-pub const FILETYPE_UNKNOWN: u8 = __WASI_FILETYPE_UNKNOWN;
+-pub const FILETYPE_BLOCK_DEVICE: u8 = __WASI_FILETYPE_BLOCK_DEVICE;
+-pub const FILETYPE_CHARACTER_DEVICE: u8 = __WASI_FILETYPE_CHARACTER_DEVICE;
+-pub const FILETYPE_DIRECTORY: u8 = __WASI_FILETYPE_DIRECTORY;
+-pub const FILETYPE_REGULAR_FILE: u8 = __WASI_FILETYPE_REGULAR_FILE;
+-pub const FILETYPE_SOCKET_DGRAM: u8 = __WASI_FILETYPE_SOCKET_DGRAM;
+-pub const FILETYPE_SOCKET_STREAM: u8 = __WASI_FILETYPE_SOCKET_STREAM;
+-pub const FILETYPE_SYMBOLIC_LINK: u8 = __WASI_FILETYPE_SYMBOLIC_LINK;
+-pub const FILESTAT_SET_ATIM: u16 = __WASI_FILESTAT_SET_ATIM;
+-pub const FILESTAT_SET_ATIM_NOW: u16 = __WASI_FILESTAT_SET_ATIM_NOW;
+-pub const FILESTAT_SET_MTIM: u16 = __WASI_FILESTAT_SET_MTIM;
+-pub const FILESTAT_SET_MTIM_NOW: u16 = __WASI_FILESTAT_SET_MTIM_NOW;
+-pub const LOOKUP_SYMLINK_FOLLOW: u32 = __WASI_LOOKUP_SYMLINK_FOLLOW;
+-pub const O_CREAT: u16 = __WASI_O_CREAT;
+-pub const O_DIRECTORY: u16 = __WASI_O_DIRECTORY;
+-pub const O_EXCL: u16 = __WASI_O_EXCL;
+-pub const O_TRUNC: u16 = __WASI_O_TRUNC;
+-pub const PREOPENTYPE_DIR: u8 = __WASI_PREOPENTYPE_DIR;
+-pub const SOCK_RECV_PEEK: u16 = __WASI_SOCK_RECV_PEEK;
+-pub const SOCK_RECV_WAITALL: u16 = __WASI_SOCK_RECV_WAITALL;
+-pub const RIGHT_FD_DATASYNC: u64 = __WASI_RIGHT_FD_DATASYNC;
+-pub const RIGHT_FD_READ: u64 = __WASI_RIGHT_FD_READ;
+-pub const RIGHT_FD_SEEK: u64 = __WASI_RIGHT_FD_SEEK;
+-pub const RIGHT_FD_FDSTAT_SET_FLAGS: u64 = __WASI_RIGHT_FD_FDSTAT_SET_FLAGS;
+-pub const RIGHT_FD_SYNC: u64 = __WASI_RIGHT_FD_SYNC;
+-pub const RIGHT_FD_TELL: u64 = __WASI_RIGHT_FD_TELL;
+-pub const RIGHT_FD_WRITE: u64 = __WASI_RIGHT_FD_WRITE;
+-pub const RIGHT_FD_ADVISE: u64 = __WASI_RIGHT_FD_ADVISE;
+-pub const RIGHT_FD_ALLOCATE: u64 = __WASI_RIGHT_FD_ALLOCATE;
+-pub const RIGHT_PATH_CREATE_DIRECTORY: u64 = __WASI_RIGHT_PATH_CREATE_DIRECTORY;
+-pub const RIGHT_PATH_CREATE_FILE: u64 = __WASI_RIGHT_PATH_CREATE_FILE;
+-pub const RIGHT_PATH_LINK_SOURCE: u64 = __WASI_RIGHT_PATH_LINK_SOURCE;
+-pub const RIGHT_PATH_LINK_TARGET: u64 = __WASI_RIGHT_PATH_LINK_TARGET;
+-pub const RIGHT_PATH_OPEN: u64 = __WASI_RIGHT_PATH_OPEN;
+-pub const RIGHT_FD_READDIR: u64 = __WASI_RIGHT_FD_READDIR;
+-pub const RIGHT_PATH_READLINK: u64 = __WASI_RIGHT_PATH_READLINK;
+-pub const RIGHT_PATH_RENAME_SOURCE: u64 = __WASI_RIGHT_PATH_RENAME_SOURCE;
+-pub const RIGHT_PATH_RENAME_TARGET: u64 = __WASI_RIGHT_PATH_RENAME_TARGET;
+-pub const RIGHT_PATH_FILESTAT_GET: u64 = __WASI_RIGHT_PATH_FILESTAT_GET;
+-pub const RIGHT_PATH_FILESTAT_SET_SIZE: u64 = __WASI_RIGHT_PATH_FILESTAT_SET_SIZE;
+-pub const RIGHT_PATH_FILESTAT_SET_TIMES: u64 = __WASI_RIGHT_PATH_FILESTAT_SET_TIMES;
+-pub const RIGHT_FD_FILESTAT_GET: u64 = __WASI_RIGHT_FD_FILESTAT_GET;
+-pub const RIGHT_FD_FILESTAT_SET_SIZE: u64 = __WASI_RIGHT_FD_FILESTAT_SET_SIZE;
+-pub const RIGHT_FD_FILESTAT_SET_TIMES: u64 = __WASI_RIGHT_FD_FILESTAT_SET_TIMES;
+-pub const RIGHT_PATH_SYMLINK: u64 = __WASI_RIGHT_PATH_SYMLINK;
+-pub const RIGHT_PATH_REMOVE_DIRECTORY: u64 = __WASI_RIGHT_PATH_REMOVE_DIRECTORY;
+-pub const RIGHT_PATH_UNLINK_FILE: u64 = __WASI_RIGHT_PATH_UNLINK_FILE;
+-pub const RIGHT_POLL_FD_READWRITE: u64 = __WASI_RIGHT_POLL_FD_READWRITE;
+-pub const RIGHT_SOCK_SHUTDOWN: u64 = __WASI_RIGHT_SOCK_SHUTDOWN;
+-pub const SOCK_RECV_DATA_TRUNCATED: u16 = __WASI_SOCK_RECV_DATA_TRUNCATED;
+-pub const SHUT_RD: u8 = __WASI_SHUT_RD;
+-pub const SHUT_WR: u8 = __WASI_SHUT_WR;
+-pub const SIGHUP: u8 = __WASI_SIGHUP;
+-pub const SIGINT: u8 = __WASI_SIGINT;
+-pub const SIGQUIT: u8 = __WASI_SIGQUIT;
+-pub const SIGILL: u8 = __WASI_SIGILL;
+-pub const SIGTRAP: u8 = __WASI_SIGTRAP;
+-pub const SIGABRT: u8 = __WASI_SIGABRT;
+-pub const SIGBUS: u8 = __WASI_SIGBUS;
+-pub const SIGFPE: u8 = __WASI_SIGFPE;
+-pub const SIGKILL: u8 = __WASI_SIGKILL;
+-pub const SIGUSR1: u8 = __WASI_SIGUSR1;
+-pub const SIGSEGV: u8 = __WASI_SIGSEGV;
+-pub const SIGUSR2: u8 = __WASI_SIGUSR2;
+-pub const SIGPIPE: u8 = __WASI_SIGPIPE;
+-pub const SIGALRM: u8 = __WASI_SIGALRM;
+-pub const SIGTERM: u8 = __WASI_SIGTERM;
+-pub const SIGCHLD: u8 = __WASI_SIGCHLD;
+-pub const SIGCONT: u8 = __WASI_SIGCONT;
+-pub const SIGSTOP: u8 = __WASI_SIGSTOP;
+-pub const SIGTSTP: u8 = __WASI_SIGTSTP;
+-pub const SIGTTIN: u8 = __WASI_SIGTTIN;
+-pub const SIGTTOU: u8 = __WASI_SIGTTOU;
+-pub const SIGURG: u8 = __WASI_SIGURG;
+-pub const SIGXCPU: u8 = __WASI_SIGXCPU;
+-pub const SIGXFSZ: u8 = __WASI_SIGXFSZ;
+-pub const SIGVTALRM: u8 = __WASI_SIGVTALRM;
+-pub const SIGPROF: u8 = __WASI_SIGPROF;
+-pub const SIGWINCH: u8 = __WASI_SIGWINCH;
+-pub const SIGPOLL: u8 = __WASI_SIGPOLL;
+-pub const SIGPWR: u8 = __WASI_SIGPWR;
+-pub const SIGSYS: u8 = __WASI_SIGSYS;
+-pub const SUBSCRIPTION_CLOCK_ABSTIME: u16 = __WASI_SUBSCRIPTION_CLOCK_ABSTIME;
+-pub const WHENCE_CUR: u8 = __WASI_WHENCE_CUR;
+-pub const WHENCE_END: u8 = __WASI_WHENCE_END;
+-pub const WHENCE_SET: u8 = __WASI_WHENCE_SET;
++pub const ADVICE_NORMAL: Advice = __WASI_ADVICE_NORMAL;
++pub const ADVICE_SEQUENTIAL: Advice = __WASI_ADVICE_SEQUENTIAL;
++pub const ADVICE_RANDOM: Advice = __WASI_ADVICE_RANDOM;
++pub const ADVICE_WILLNEED: Advice = __WASI_ADVICE_WILLNEED;
++pub const ADVICE_DONTNEED: Advice = __WASI_ADVICE_DONTNEED;
++pub const ADVICE_NOREUSE: Advice = __WASI_ADVICE_NOREUSE;
++pub const CLOCK_REALTIME: Clockid = __WASI_CLOCK_REALTIME;
++pub const CLOCK_MONOTONIC: Clockid = __WASI_CLOCK_MONOTONIC;
++pub const CLOCK_PROCESS_CPUTIME_ID: Clockid = __WASI_CLOCK_PROCESS_CPUTIME_ID;
++pub const CLOCK_THREAD_CPUTIME_ID: Clockid = __WASI_CLOCK_THREAD_CPUTIME_ID;
++pub const DIRCOOKIE_START: Dircookie = __WASI_DIRCOOKIE_START;
++pub const ESUCCESS: Errno = __WASI_ESUCCESS;
++pub const E2BIG: Errno = __WASI_E2BIG;
++pub const EACCES: Errno = __WASI_EACCES;
++pub const EADDRINUSE: Errno = __WASI_EADDRINUSE;
++pub const EADDRNOTAVAIL: Errno = __WASI_EADDRNOTAVAIL;
++pub const EAFNOSUPPORT: Errno = __WASI_EAFNOSUPPORT;
++pub const EAGAIN: Errno = __WASI_EAGAIN;
++pub const EALREADY: Errno = __WASI_EALREADY;
++pub const EBADF: Errno = __WASI_EBADF;
++pub const EBADMSG: Errno = __WASI_EBADMSG;
++pub const EBUSY: Errno = __WASI_EBUSY;
++pub const ECANCELED: Errno = __WASI_ECANCELED;
++pub const ECHILD: Errno = __WASI_ECHILD;
++pub const ECONNABORTED: Errno = __WASI_ECONNABORTED;
++pub const ECONNREFUSED: Errno = __WASI_ECONNREFUSED;
++pub const ECONNRESET: Errno = __WASI_ECONNRESET;
++pub const EDEADLK: Errno = __WASI_EDEADLK;
++pub const EDESTADDRREQ: Errno = __WASI_EDESTADDRREQ;
++pub const EDOM: Errno = __WASI_EDOM;
++pub const EDQUOT: Errno = __WASI_EDQUOT;
++pub const EEXIST: Errno = __WASI_EEXIST;
++pub const EFAULT: Errno = __WASI_EFAULT;
++pub const EFBIG: Errno = __WASI_EFBIG;
++pub const EHOSTUNREACH: Errno = __WASI_EHOSTUNREACH;
++pub const EIDRM: Errno = __WASI_EIDRM;
++pub const EILSEQ: Errno = __WASI_EILSEQ;
++pub const EINPROGRESS: Errno = __WASI_EINPROGRESS;
++pub const EINTR: Errno = __WASI_EINTR;
++pub const EINVAL: Errno = __WASI_EINVAL;
++pub const EIO: Errno = __WASI_EIO;
++pub const EISCONN: Errno = __WASI_EISCONN;
++pub const EISDIR: Errno = __WASI_EISDIR;
++pub const ELOOP: Errno = __WASI_ELOOP;
++pub const EMFILE: Errno = __WASI_EMFILE;
++pub const EMLINK: Errno = __WASI_EMLINK;
++pub const EMSGSIZE: Errno = __WASI_EMSGSIZE;
++pub const EMULTIHOP: Errno = __WASI_EMULTIHOP;
++pub const ENAMETOOLONG: Errno = __WASI_ENAMETOOLONG;
++pub const ENETDOWN: Errno = __WASI_ENETDOWN;
++pub const ENETRESET: Errno = __WASI_ENETRESET;
++pub const ENETUNREACH: Errno = __WASI_ENETUNREACH;
++pub const ENFILE: Errno = __WASI_ENFILE;
++pub const ENOBUFS: Errno = __WASI_ENOBUFS;
++pub const ENODEV: Errno = __WASI_ENODEV;
++pub const ENOENT: Errno = __WASI_ENOENT;
++pub const ENOEXEC: Errno = __WASI_ENOEXEC;
++pub const ENOLCK: Errno = __WASI_ENOLCK;
++pub const ENOLINK: Errno = __WASI_ENOLINK;
++pub const ENOMEM: Errno = __WASI_ENOMEM;
++pub const ENOMSG: Errno = __WASI_ENOMSG;
++pub const ENOPROTOOPT: Errno = __WASI_ENOPROTOOPT;
++pub const ENOSPC: Errno = __WASI_ENOSPC;
++pub const ENOSYS: Errno = __WASI_ENOSYS;
++pub const ENOTCONN: Errno = __WASI_ENOTCONN;
++pub const ENOTDIR: Errno = __WASI_ENOTDIR;
++pub const ENOTEMPTY: Errno = __WASI_ENOTEMPTY;
++pub const ENOTRECOVERABLE: Errno = __WASI_ENOTRECOVERABLE;
++pub const ENOTSOCK: Errno = __WASI_ENOTSOCK;
++pub const ENOTSUP: Errno = __WASI_ENOTSUP;
++pub const ENOTTY: Errno = __WASI_ENOTTY;
++pub const ENXIO: Errno = __WASI_ENXIO;
++pub const EOVERFLOW: Errno = __WASI_EOVERFLOW;
++pub const EOWNERDEAD: Errno = __WASI_EOWNERDEAD;
++pub const EPERM: Errno = __WASI_EPERM;
++pub const EPIPE: Errno = __WASI_EPIPE;
++pub const EPROTO: Errno = __WASI_EPROTO;
++pub const EPROTONOSUPPORT: Errno = __WASI_EPROTONOSUPPORT;
++pub const EPROTOTYPE: Errno = __WASI_EPROTOTYPE;
++pub const ERANGE: Errno = __WASI_ERANGE;
++pub const EROFS: Errno = __WASI_EROFS;
++pub const ESPIPE: Errno = __WASI_ESPIPE;
++pub const ESRCH: Errno = __WASI_ESRCH;
++pub const ESTALE: Errno = __WASI_ESTALE;
++pub const ETIMEDOUT: Errno = __WASI_ETIMEDOUT;
++pub const ETXTBSY: Errno = __WASI_ETXTBSY;
++pub const EXDEV: Errno = __WASI_EXDEV;
++pub const ENOTCAPABLE: Errno = __WASI_ENOTCAPABLE;
++pub const EVENTTYPE_CLOCK: Eventtype = __WASI_EVENTTYPE_CLOCK;
++pub const EVENTTYPE_FD_READ: Eventtype = __WASI_EVENTTYPE_FD_READ;
++pub const EVENTTYPE_FD_WRITE: Eventtype = __WASI_EVENTTYPE_FD_WRITE;
++pub const FILETYPE_UNKNOWN: Filetype = __WASI_FILETYPE_UNKNOWN;
++pub const FILETYPE_BLOCK_DEVICE: Filetype = __WASI_FILETYPE_BLOCK_DEVICE;
++pub const FILETYPE_CHARACTER_DEVICE: Filetype = __WASI_FILETYPE_CHARACTER_DEVICE;
++pub const FILETYPE_DIRECTORY: Filetype = __WASI_FILETYPE_DIRECTORY;
++pub const FILETYPE_REGULAR_FILE: Filetype = __WASI_FILETYPE_REGULAR_FILE;
++pub const FILETYPE_SOCKET_DGRAM: Filetype = __WASI_FILETYPE_SOCKET_DGRAM;
++pub const FILETYPE_SOCKET_STREAM: Filetype = __WASI_FILETYPE_SOCKET_STREAM;
++pub const FILETYPE_SYMBOLIC_LINK: Filetype = __WASI_FILETYPE_SYMBOLIC_LINK;
++pub const PREOPENTYPE_DIR: Preopentype = __WASI_PREOPENTYPE_DIR;
++pub const SIGHUP: Signal = __WASI_SIGHUP;
++pub const SIGINT: Signal = __WASI_SIGINT;
++pub const SIGQUIT: Signal = __WASI_SIGQUIT;
++pub const SIGILL: Signal = __WASI_SIGILL;
++pub const SIGTRAP: Signal = __WASI_SIGTRAP;
++pub const SIGABRT: Signal = __WASI_SIGABRT;
++pub const SIGBUS: Signal = __WASI_SIGBUS;
++pub const SIGFPE: Signal = __WASI_SIGFPE;
++pub const SIGKILL: Signal = __WASI_SIGKILL;
++pub const SIGUSR1: Signal = __WASI_SIGUSR1;
++pub const SIGSEGV: Signal = __WASI_SIGSEGV;
++pub const SIGUSR2: Signal = __WASI_SIGUSR2;
++pub const SIGPIPE: Signal = __WASI_SIGPIPE;
++pub const SIGALRM: Signal = __WASI_SIGALRM;
++pub const SIGTERM: Signal = __WASI_SIGTERM;
++pub const SIGCHLD: Signal = __WASI_SIGCHLD;
++pub const SIGCONT: Signal = __WASI_SIGCONT;
++pub const SIGSTOP: Signal = __WASI_SIGSTOP;
++pub const SIGTSTP: Signal = __WASI_SIGTSTP;
++pub const SIGTTIN: Signal = __WASI_SIGTTIN;
++pub const SIGTTOU: Signal = __WASI_SIGTTOU;
++pub const SIGURG: Signal = __WASI_SIGURG;
++pub const SIGXCPU: Signal = __WASI_SIGXCPU;
++pub const SIGXFSZ: Signal = __WASI_SIGXFSZ;
++pub const SIGVTALRM: Signal = __WASI_SIGVTALRM;
++pub const SIGPROF: Signal = __WASI_SIGPROF;
++pub const SIGWINCH: Signal = __WASI_SIGWINCH;
++pub const SIGPOLL: Signal = __WASI_SIGPOLL;
++pub const SIGPWR: Signal = __WASI_SIGPWR;
++pub const SIGSYS: Signal = __WASI_SIGSYS;
++pub const SOCK_RECV_DATA_TRUNCATED: Roflags = __WASI_SOCK_RECV_DATA_TRUNCATED;
++
++bitflags! {
++ pub struct Sdflags: __wasi_sdflags_t {
++ const SHUT_RD = __WASI_SHUT_RD;
++ const SHUT_WR = __WASI_SHUT_WR;
++ }
++}
++
++bitflags! {
++ pub struct Riflags: __wasi_riflags_t {
++ const PEEK = __WASI_SOCK_RECV_PEEK;
++ const WAITALL = __WASI_SOCK_RECV_WAITALL;
++ }
++}
++
++bitflags! {
++ pub struct Eventrwflags: __wasi_eventrwflags_t {
++ const FD_READWRITE_HANGUP = __WASI_EVENT_FD_READWRITE_HANGUP;
++ }
++}
++
++bitflags! {
++ pub struct Subclockflags: __wasi_subclockflags_t {
++ const SUBSCRIPTION_CLOCK_ABSTIME = __WASI_SUBSCRIPTION_CLOCK_ABSTIME;
++ }
++}
++
++bitflags! {
++ pub struct Oflags: __wasi_oflags_t {
++ const CREAT = __WASI_O_CREAT;
++ const DIRECTORY = __WASI_O_DIRECTORY;
++ const EXCL = __WASI_O_EXCL;
++ const TRUNC = __WASI_O_TRUNC;
++ }
++}
++
++bitflags! {
++ pub struct Fdflags: __wasi_fdflags_t {
++ const APPEND = __WASI_FDFLAG_APPEND;
++ const DSYNC = __WASI_FDFLAG_DSYNC;
++ const NONBLOCK = __WASI_FDFLAG_NONBLOCK;
++ const RSYNC = __WASI_FDFLAG_RSYNC;
++ const SYNC = __WASI_FDFLAG_SYNC;
++ }
++}
++
++bitflags! {
++ pub struct Lookupflags: __wasi_lookupflags_t {
++ const SYMLINK_FOLLOW = __WASI_LOOKUP_SYMLINK_FOLLOW;
++ }
++}
++
++bitflags! {
++ pub struct Rights: __wasi_rights_t {
++ const FD_DATASYNC = __WASI_RIGHT_FD_DATASYNC;
++ const FD_READ = __WASI_RIGHT_FD_READ;
++ const FD_SEEK = __WASI_RIGHT_FD_SEEK;
++ const FD_FDSTAT_SET_FLAGS = __WASI_RIGHT_FD_FDSTAT_SET_FLAGS;
++ const FD_SYNC = __WASI_RIGHT_FD_SYNC;
++ const FD_TELL = __WASI_RIGHT_FD_TELL;
++ const FD_WRITE = __WASI_RIGHT_FD_WRITE;
++ const FD_ADVISE = __WASI_RIGHT_FD_ADVISE;
++ const FD_ALLOCATE = __WASI_RIGHT_FD_ALLOCATE;
++ const PATH_CREATE_DIRECTORY = __WASI_RIGHT_PATH_CREATE_DIRECTORY;
++ const PATH_CREATE_FILE = __WASI_RIGHT_PATH_CREATE_FILE;
++ const PATH_LINK_SOURCE = __WASI_RIGHT_PATH_LINK_SOURCE;
++ const PATH_LINK_TARGET = __WASI_RIGHT_PATH_LINK_TARGET;
++ const PATH_OPEN = __WASI_RIGHT_PATH_OPEN;
++ const FD_READDIR = __WASI_RIGHT_FD_READDIR;
++ const PATH_READLINK = __WASI_RIGHT_PATH_READLINK;
++ const PATH_RENAME_SOURCE = __WASI_RIGHT_PATH_RENAME_SOURCE;
++ const PATH_RENAME_TARGET = __WASI_RIGHT_PATH_RENAME_TARGET;
++ const PATH_FILESTAT_GET = __WASI_RIGHT_PATH_FILESTAT_GET;
++ const PATH_FILESTAT_SET_SIZE = __WASI_RIGHT_PATH_FILESTAT_SET_SIZE;
++ const PATH_FILESTAT_SET_TIMES = __WASI_RIGHT_PATH_FILESTAT_SET_TIMES;
++ const FD_FILESTAT_GET = __WASI_RIGHT_FD_FILESTAT_GET;
++ const FD_FILESTAT_SET_SIZE = __WASI_RIGHT_FD_FILESTAT_SET_SIZE;
++ const FD_FILESTAT_SET_TIMES = __WASI_RIGHT_FD_FILESTAT_SET_TIMES;
++ const PATH_SYMLINK = __WASI_RIGHT_PATH_SYMLINK;
++ const PATH_REMOVE_DIRECTORY = __WASI_RIGHT_PATH_REMOVE_DIRECTORY;
++ const PATH_UNLINK_FILE = __WASI_RIGHT_PATH_UNLINK_FILE;
++ const POLL_FD_READWRITE = __WASI_RIGHT_POLL_FD_READWRITE;
++ const SOCK_SHUTDOWN = __WASI_RIGHT_SOCK_SHUTDOWN;
++ }
++}
++
++bitflags! {
++ pub struct Fstflags: __wasi_fstflags_t {
++ const SET_ATIM = __WASI_FILESTAT_SET_ATIM;
++ const SET_ATIM_NOW = __WASI_FILESTAT_SET_ATIM_NOW;
++ const SET_MTIM = __WASI_FILESTAT_SET_MTIM;
++ const SET_MTIM_NOW = __WASI_FILESTAT_SET_MTIM_NOW;
++ }
++}
+
+ pub fn clock_res_get(clock_id: Clockid) -> (Errno, Timestamp) {
+ let mut resolution = MaybeUninit::<Timestamp>::uninit();
+@@ -333,11 +366,11 @@ pub fn fd_fdstat_get(fd: Fd) -> (Errno, Fdstat) {
+ }
+
+ pub fn fd_fdstat_set_flags(fd: Fd, flags: Fdflags) -> Errno {
+- unsafe { __wasi_fd_fdstat_set_flags(fd, flags) }
++ unsafe { __wasi_fd_fdstat_set_flags(fd, flags.bits()) }
+ }
+
+ pub fn fd_fdstat_set_rights(fd: Fd, fs_rights_base: Rights, fs_rights_inheriting: Rights) -> Errno {
+- unsafe { __wasi_fd_fdstat_set_rights(fd, fs_rights_base, fs_rights_inheriting) }
++ unsafe { __wasi_fd_fdstat_set_rights(fd, fs_rights_base.bits(), fs_rights_inheriting.bits()) }
+ }
+
+ pub fn fd_sync(fd: Fd) -> Errno {
+@@ -376,7 +409,7 @@ pub fn path_link(
+ unsafe {
+ __wasi_path_link(
+ old_fd,
+- old_flags,
++ old_flags.bits(),
+ old_path.as_ptr(),
+ old_path.len(),
+ new_fd,
+@@ -400,13 +433,13 @@ pub fn path_open(
+ (
+ __wasi_path_open(
+ dirfd,
+- dirflags,
++ dirflags.bits(),
+ path.as_ptr(),
+ path.len(),
+- oflags,
+- fs_rights_base,
+- fs_rights_inheriting,
+- fs_flags,
++ oflags.bits(),
++ fs_rights_base.bits(),
++ fs_rights_inheriting.bits(),
++ fs_flags.bits(),
+ fd.as_mut_ptr(),
+ ),
+ fd.assume_init(),
+@@ -476,7 +509,7 @@ pub fn fd_filestat_set_times(
+ st_mtim: Timestamp,
+ fstflags: Fstflags,
+ ) -> Errno {
+- unsafe { __wasi_fd_filestat_set_times(fd, st_atim, st_mtim, fstflags) }
++ unsafe { __wasi_fd_filestat_set_times(fd, st_atim, st_mtim, fstflags.bits()) }
+ }
+
+ pub fn fd_filestat_set_size(fd: Fd, st_size: Filesize) -> Errno {
+@@ -487,7 +520,13 @@ pub fn path_filestat_get(fd: Fd, flags: Lookupflags, path: &[u8]) -> (Errno, Fil
+ let mut buf = MaybeUninit::<Filestat>::uninit();
+ unsafe {
+ (
+- __wasi_path_filestat_get(fd, flags, path.as_ptr(), path.len(), buf.as_mut_ptr()),
++ __wasi_path_filestat_get(
++ fd,
++ flags.bits(),
++ path.as_ptr(),
++ path.len(),
++ buf.as_mut_ptr(),
++ ),
+ buf.assume_init(),
+ )
+ }
+@@ -504,12 +543,12 @@ pub fn path_filestat_set_times(
+ unsafe {
+ __wasi_path_filestat_set_times(
+ fd,
+- flags,
++ flags.bits(),
+ path.as_ptr(),
+ path.len(),
+ st_atim,
+ st_mtim,
+- fstflags,
++ fstflags.bits(),
+ )
+ }
+ }
+@@ -567,7 +606,7 @@ pub fn sock_recv(sock: Fd, ri_data: &[Iovec], ri_flags: Riflags) -> (Errno, usiz
+ sock,
+ ri_data.as_ptr(),
+ ri_data.len(),
+- ri_flags,
++ ri_flags.bits(),
+ ro_datalen.as_mut_ptr(),
+ ro_flags.as_mut_ptr(),
+ ),
+@@ -594,7 +633,7 @@ pub fn sock_send(sock: Fd, si_data: &[Ciovec], si_flags: Siflags) -> (Errno, usi
+ }
+
+ pub fn sock_shutdown(sock: Fd, how: Sdflags) -> Errno {
+- unsafe { __wasi_sock_shutdown(sock, how) }
++ unsafe { __wasi_sock_shutdown(sock, how.bits()) }
+ }
+
+ pub fn sched_yield() -> Errno {
projects / rustc.git / blobdiff