1 //! Hermit C type definitions 2 3 cfg_if! { 4 if #[cfg(any(target_arch = "aarch64", target_arch = "riscv64"))] { 5 pub type c_char = u8; 6 } else { 7 pub type c_char = i8; 8 } 9 } 10 11 pub type c_schar = i8; 12 pub type c_uchar = u8; 13 pub type c_short = i16; 14 pub type c_ushort = u16; 15 pub type c_int = i32; 16 pub type c_uint = u32; 17 pub type c_long = i64; 18 pub type c_ulong = u64; 19 pub type c_longlong = i64; 20 pub type c_ulonglong = u64; 21 pub type intmax_t = i64; 22 pub type uintmax_t = u64; 23 pub type intptr_t = isize; 24 pub type uintptr_t = usize; 25 26 pub type c_float = f32; 27 pub type c_double = f64; 28 29 pub type size_t = usize; 30 pub type ssize_t = isize; 31 pub type ptrdiff_t = isize; 32 33 pub type clockid_t = i32; 34 pub type in_addr_t = u32; 35 pub type in_port_t = u16; 36 pub type mode_t = u32; 37 pub type nfds_t = usize; 38 pub type pid_t = i32; 39 pub type sa_family_t = u8; 40 pub type socklen_t = u32; 41 pub type time_t = i64; 42 43 s! { 44 pub struct addrinfo { 45 pub ai_flags: i32, 46 pub ai_family: i32, 47 pub ai_socktype: i32, 48 pub ai_protocol: i32, 49 pub ai_addrlen: socklen_t, 50 pub ai_canonname: *mut c_char, 51 pub ai_addr: *mut sockaddr, 52 pub ai_next: *mut addrinfo, 53 } 54 55 pub struct dirent64 { 56 pub d_ino: u64, 57 pub d_off: i64, 58 pub d_reclen: u16, 59 pub d_type: u8, 60 pub d_name: [c_char; 256], 61 } 62 63 #[repr(align(4))] 64 pub struct in6_addr { 65 pub s6_addr: [u8; 16], 66 } 67 68 pub struct in_addr { 69 pub s_addr: in_addr_t, 70 } 71 72 pub struct iovec { 73 iov_base: *mut c_void, 74 iov_len: usize, 75 } 76 77 pub struct pollfd { 78 pub fd: i32, 79 pub events: i16, 80 pub revents: i16, 81 } 82 83 pub struct sockaddr { 84 pub sa_len: u8, 85 pub sa_family: sa_family_t, 86 pub sa_data: [c_char; 14], 87 } 88 89 pub struct sockaddr_in { 90 pub sin_len: u8, 91 pub sin_family: sa_family_t, 92 pub sin_port: in_port_t, 93 pub sin_addr: in_addr, 94 pub sin_zero: [c_char; 8], 95 } 96 97 pub struct sockaddr_in6 { 98 pub sin6_len: u8, 99 pub sin6_family: sa_family_t, 100 pub sin6_port: in_port_t, 101 pub sin6_flowinfo: u32, 102 pub sin6_addr: in6_addr, 103 pub sin6_scope_id: u32, 104 } 105 106 pub struct sockaddr_storage { 107 pub ss_len: u8, 108 pub ss_family: sa_family_t, 109 __ss_pad1: [u8; 6], 110 __ss_align: i64, 111 __ss_pad2: [u8; 112], 112 } 113 114 pub struct stat { 115 pub st_dev: u64, 116 pub st_ino: u64, 117 pub st_nlink: u64, 118 pub st_mode: mode_t, 119 pub st_uid: u32, 120 pub st_gid: u32, 121 pub st_rdev: u64, 122 pub st_size: u64, 123 pub st_blksize: i64, 124 pub st_blocks: i64, 125 pub st_atim: timespec, 126 pub st_mtim: timespec, 127 pub st_ctim: timespec, 128 } 129 130 pub struct timespec { 131 pub tv_sec: time_t, 132 pub tv_nsec: i32, 133 } 134 } 135 136 pub const AF_INET: i32 = 0; 137 pub const AF_INET6: i32 = 1; 138 139 pub const CLOCK_REALTIME: clockid_t = 1; 140 pub const CLOCK_MONOTONIC: clockid_t = 4; 141 142 pub const DT_UNKNOWN: u8 = 0; 143 pub const DT_FIFO: u8 = 1; 144 pub const DT_CHR: u8 = 2; 145 pub const DT_DIR: u8 = 4; 146 pub const DT_BLK: u8 = 6; 147 pub const DT_REG: u8 = 8; 148 pub const DT_LNK: u8 = 10; 149 pub const DT_SOCK: u8 = 12; 150 pub const DT_WHT: u8 = 14; 151 152 pub const EAI_AGAIN: i32 = 2; 153 pub const EAI_BADFLAGS: i32 = 3; 154 pub const EAI_FAIL: i32 = 4; 155 pub const EAI_FAMILY: i32 = 5; 156 pub const EAI_MEMORY: i32 = 6; 157 pub const EAI_NODATA: i32 = 7; 158 pub const EAI_NONAME: i32 = 8; 159 pub const EAI_SERVICE: i32 = 9; 160 pub const EAI_SOCKTYPE: i32 = 10; 161 pub const EAI_SYSTEM: i32 = 11; 162 pub const EAI_OVERFLOW: i32 = 14; 163 164 pub const EFD_SEMAPHORE: i16 = 0o1; 165 pub const EFD_NONBLOCK: i16 = 0o4000; 166 pub const EFD_CLOEXEC: i16 = 0o40000; 167 168 pub const F_DUPFD: i32 = 0; 169 pub const F_GETFD: i32 = 1; 170 pub const F_SETFD: i32 = 2; 171 pub const F_GETFL: i32 = 3; 172 pub const F_SETFL: i32 = 4; 173 174 pub const FD_CLOEXEC: i32 = 1; 175 176 pub const FIONBIO: i32 = 0x8008667e; 177 178 pub const FUTEX_RELATIVE_TIMEOUT: u32 = 1; 179 180 pub const IP_TOS: i32 = 1; 181 pub const IP_TTL: i32 = 2; 182 pub const IP_ADD_MEMBERSHIP: i32 = 3; 183 pub const IP_DROP_MEMBERSHIP: i32 = 4; 184 pub const IP_MULTICAST_TTL: i32 = 5; 185 pub const IP_MULTICAST_LOOP: i32 = 7; 186 187 pub const IPPROTO_IP: i32 = 0; 188 pub const IPPROTO_TCP: i32 = 6; 189 pub const IPPROTO_UDP: i32 = 17; 190 pub const IPPROTO_IPV6: i32 = 41; 191 192 pub const IPV6_ADD_MEMBERSHIP: i32 = 12; 193 pub const IPV6_DROP_MEMBERSHIP: i32 = 13; 194 pub const IPV6_MULTICAST_LOOP: i32 = 19; 195 pub const IPV6_V6ONLY: i32 = 27; 196 197 pub const MSG_PEEK: i32 = 1; 198 199 pub const O_RDONLY: i32 = 0o0; 200 pub const O_WRONLY: i32 = 0o1; 201 pub const O_RDWR: i32 = 0o2; 202 pub const O_CREAT: i32 = 0o100; 203 pub const O_EXCL: i32 = 0o200; 204 pub const O_TRUNC: i32 = 0o1000; 205 pub const O_APPEND: i32 = 0o2000; 206 pub const O_NONBLOCK: i32 = 0o4000; 207 pub const O_DIRECTORY: i32 = 0o200000; 208 209 pub const POLLIN: i16 = 0x1; 210 pub const POLLPRI: i16 = 0x2; 211 pub const POLLOUT: i16 = 0x4; 212 pub const POLLERR: i16 = 0x8; 213 pub const POLLHUP: i16 = 0x10; 214 pub const POLLNVAL: i16 = 0x20; 215 pub const POLLRDNORM: i16 = 0x040; 216 pub const POLLRDBAND: i16 = 0x080; 217 pub const POLLWRNORM: i16 = 0x0100; 218 pub const POLLWRBAND: i16 = 0x0200; 219 pub const POLLRDHUP: i16 = 0x2000; 220 221 pub const S_IRWXU: mode_t = 0o0700; 222 pub const S_IRUSR: mode_t = 0o0400; 223 pub const S_IWUSR: mode_t = 0o0200; 224 pub const S_IXUSR: mode_t = 0o0100; 225 pub const S_IRWXG: mode_t = 0o0070; 226 pub const S_IRGRP: mode_t = 0o0040; 227 pub const S_IWGRP: mode_t = 0o0020; 228 pub const S_IXGRP: mode_t = 0o0010; 229 pub const S_IRWXO: mode_t = 0o0007; 230 pub const S_IROTH: mode_t = 0o0004; 231 pub const S_IWOTH: mode_t = 0o0002; 232 pub const S_IXOTH: mode_t = 0o0001; 233 234 pub const S_IFMT: mode_t = 0o17_0000; 235 pub const S_IFSOCK: mode_t = 0o14_0000; 236 pub const S_IFLNK: mode_t = 0o12_0000; 237 pub const S_IFREG: mode_t = 0o10_0000; 238 pub const S_IFBLK: mode_t = 0o6_0000; 239 pub const S_IFDIR: mode_t = 0o4_0000; 240 pub const S_IFCHR: mode_t = 0o2_0000; 241 pub const S_IFIFO: mode_t = 0o1_0000; 242 243 pub const SHUT_RD: i32 = 0; 244 pub const SHUT_WR: i32 = 1; 245 pub const SHUT_RDWR: i32 = 2; 246 247 pub const SO_REUSEADDR: i32 = 0x0004; 248 pub const SO_KEEPALIVE: i32 = 0x0008; 249 pub const SO_BROADCAST: i32 = 0x0020; 250 pub const SO_LINGER: i32 = 0x0080; 251 pub const SO_SNDBUF: i32 = 0x1001; 252 pub const SO_RCVBUF: i32 = 0x1002; 253 pub const SO_SNDTIMEO: i32 = 0x1005; 254 pub const SO_RCVTIMEO: i32 = 0x1006; 255 pub const SO_ERROR: i32 = 0x1007; 256 257 pub const SOCK_STREAM: i32 = 1; 258 pub const SOCK_DGRAM: i32 = 2; 259 pub const SOCK_NONBLOCK: i32 = 0o4000; 260 pub const SOCK_CLOEXEC: i32 = 0o40000; 261 262 pub const SOL_SOCKET: i32 = 4095; 263 264 pub const STDIN_FILENO: c_int = 0; 265 pub const STDOUT_FILENO: c_int = 1; 266 pub const STDERR_FILENO: c_int = 2; 267 268 pub const TCP_NODELAY: i32 = 1; 269 270 extern "C" { 271 #[link_name = "sys_alloc"] 272 pub fn alloc(size: usize, align: usize) -> *mut u8; 273 274 #[link_name = "sys_alloc_zeroed"] 275 pub fn alloc_zeroed(size: usize, align: usize) -> *mut u8; 276 277 #[link_name = "sys_realloc"] 278 pub fn realloc(ptr: *mut u8, size: usize, align: usize, new_size: usize) -> *mut u8; 279 280 #[link_name = "sys_dealloc"] 281 pub fn dealloc(ptr: *mut u8, size: usize, align: usize); 282 283 #[link_name = "sys_exit"] 284 pub fn exit(status: i32) -> !; 285 286 #[link_name = "sys_abort"] 287 pub fn abort() -> !; 288 289 #[link_name = "sys_errno"] 290 pub fn errno() -> i32; 291 292 #[link_name = "sys_clock_gettime"] 293 pub fn clock_gettime(clockid: clockid_t, tp: *mut timespec) -> i32; 294 295 #[link_name = "sys_nanosleep"] 296 pub fn nanosleep(req: *const timespec) -> i32; 297 298 #[link_name = "sys_available_parallelism"] 299 pub fn available_parallelism() -> usize; 300 301 #[link_name = "sys_futex_wait"] 302 pub fn futex_wait( 303 address: *mut u32, 304 expected: u32, 305 timeout: *const timespec, 306 flags: u32, 307 ) -> i32; 308 309 #[link_name = "sys_futex_wake"] 310 pub fn futex_wake(address: *mut u32, count: i32) -> i32; 311 312 #[link_name = "sys_stat"] 313 pub fn stat(path: *const c_char, stat: *mut stat) -> i32; 314 315 #[link_name = "sys_fstat"] 316 pub fn fstat(fd: i32, stat: *mut stat) -> i32; 317 318 #[link_name = "sys_lstat"] 319 pub fn lstat(path: *const c_char, stat: *mut stat) -> i32; 320 321 #[link_name = "sys_open"] 322 pub fn open(path: *const c_char, flags: i32, mode: mode_t) -> i32; 323 324 #[link_name = "sys_unlink"] 325 pub fn unlink(path: *const c_char) -> i32; 326 327 #[link_name = "sys_mkdir"] 328 pub fn mkdir(path: *const c_char, mode: mode_t) -> i32; 329 330 #[link_name = "sys_rmdir"] 331 pub fn rmdir(path: *const c_char) -> i32; 332 333 #[link_name = "sys_read"] 334 pub fn read(fd: i32, buf: *mut u8, len: usize) -> isize; 335 336 #[link_name = "sys_write"] 337 pub fn write(fd: i32, buf: *const u8, len: usize) -> isize; 338 339 #[link_name = "sys_readv"] 340 pub fn readv(fd: i32, iov: *const iovec, iovcnt: usize) -> isize; 341 342 #[link_name = "sys_writev"] 343 pub fn writev(fd: i32, iov: *const iovec, iovcnt: usize) -> isize; 344 345 #[link_name = "sys_close"] 346 pub fn close(fd: i32) -> i32; 347 348 #[link_name = "sys_dup"] 349 pub fn dup(fd: i32) -> i32; 350 351 #[link_name = "sys_fcntl"] 352 pub fn fcntl(fd: i32, cmd: i32, arg: i32) -> i32; 353 354 #[link_name = "sys_getdents64"] 355 pub fn getdents64(fd: i32, dirp: *mut dirent64, count: usize) -> isize; 356 357 #[link_name = "sys_getaddrinfo"] 358 pub fn getaddrinfo( 359 nodename: *const c_char, 360 servname: *const c_char, 361 hints: *const addrinfo, 362 res: *mut *mut addrinfo, 363 ) -> i32; 364 365 #[link_name = "sys_freeaddrinfo"] 366 pub fn freeaddrinfo(ai: *mut addrinfo); 367 368 #[link_name = "sys_socket"] 369 pub fn socket(domain: i32, ty: i32, protocol: i32) -> i32; 370 371 #[link_name = "sys_bind"] 372 pub fn bind(sockfd: i32, addr: *const sockaddr, addrlen: socklen_t) -> i32; 373 374 #[link_name = "sys_listen"] 375 pub fn listen(sockfd: i32, backlog: i32) -> i32; 376 377 #[link_name = "sys_accept"] 378 pub fn accept(sockfd: i32, addr: *mut sockaddr, addrlen: *mut socklen_t) -> i32; 379 380 #[link_name = "sys_connect"] 381 pub fn connect(sockfd: i32, addr: *const sockaddr, addrlen: socklen_t) -> i32; 382 383 #[link_name = "sys_recv"] 384 pub fn recv(sockfd: i32, buf: *mut u8, len: usize, flags: i32) -> isize; 385 386 #[link_name = "sys_recvfrom"] 387 pub fn recvfrom( 388 sockfd: i32, 389 buf: *mut c_void, 390 len: usize, 391 flags: i32, 392 addr: *mut sockaddr, 393 addrlen: *mut socklen_t, 394 ) -> isize; 395 396 #[link_name = "sys_send"] 397 pub fn send(sockfd: i32, buf: *const c_void, len: usize, flags: i32) -> isize; 398 399 #[link_name = "sys_sendto"] 400 pub fn sendto( 401 sockfd: i32, 402 buf: *const c_void, 403 len: usize, 404 flags: i32, 405 to: *const sockaddr, 406 tolen: socklen_t, 407 ) -> isize; 408 409 #[link_name = "sys_getpeername"] 410 pub fn getpeername(sockfd: i32, addr: *mut sockaddr, addrlen: *mut socklen_t) -> i32; 411 412 #[link_name = "sys_getsockname"] 413 pub fn getsockname(sockfd: i32, addr: *mut sockaddr, addrlen: *mut socklen_t) -> i32; 414 415 #[link_name = "sys_getsockopt"] 416 pub fn getsockopt( 417 sockfd: i32, 418 level: i32, 419 optname: i32, 420 optval: *mut c_void, 421 optlen: *mut socklen_t, 422 ) -> i32; 423 424 #[link_name = "sys_setsockopt"] 425 pub fn setsockopt( 426 sockfd: i32, 427 level: i32, 428 optname: i32, 429 optval: *const c_void, 430 optlen: socklen_t, 431 ) -> i32; 432 433 #[link_name = "sys_ioctl"] 434 pub fn ioctl(sockfd: i32, cmd: i32, argp: *mut c_void) -> i32; 435 436 #[link_name = "sys_shutdown"] 437 pub fn shutdown(sockfd: i32, how: i32) -> i32; 438 439 #[link_name = "sys_eventfd"] 440 pub fn eventfd(initval: u64, flags: i16) -> i32; 441 442 #[link_name = "sys_poll"] 443 pub fn poll(fds: *mut pollfd, nfds: nfds_t, timeout: i32) -> i32; 444 } 445 446 pub use ffi::c_void; 447