src/liblibc/src/unix/mod.rs

   1 //! Definitions found commonly among almost all Unix derivatives
   2 //!
   3 //! More functions and definitions can be found in the more specific modules
   4 //! according to the platform in question.
   5
   6 pub type pid_t = i32;
   7 pub type uid_t = u32;
   8 pub type gid_t = u32;
   9 pub type in_addr_t = u32;
  10 pub type in_port_t = u16;
  11 pub type sighandler_t = ::size_t;
  12 pub type cc_t = ::c_uchar;
  13
  14 pub enum DIR {}
  15
  16 s! {
  17     pub struct utimbuf {
  18         pub actime: time_t,
  19         pub modtime: time_t,
  20     }
  21
  22     pub struct timeval {
  23         pub tv_sec: time_t,
  24         pub tv_usec: suseconds_t,
  25     }
  26
  27     pub struct timespec {
  28         pub tv_sec: time_t,
  29         pub tv_nsec: c_long,
  30     }
  31
  32     pub struct rlimit {
  33         pub rlim_cur: rlim_t,
  34         pub rlim_max: rlim_t,
  35     }
  36
  37     pub struct rusage {
  38         pub ru_utime: timeval,
  39         pub ru_stime: timeval,
  40         pub ru_maxrss: c_long,
  41         pub ru_ixrss: c_long,
  42         pub ru_idrss: c_long,
  43         pub ru_isrss: c_long,
  44         pub ru_minflt: c_long,
  45         pub ru_majflt: c_long,
  46         pub ru_nswap: c_long,
  47         pub ru_inblock: c_long,
  48         pub ru_oublock: c_long,
  49         pub ru_msgsnd: c_long,
  50         pub ru_msgrcv: c_long,
  51         pub ru_nsignals: c_long,
  52         pub ru_nvcsw: c_long,
  53         pub ru_nivcsw: c_long,
  54
  55         #[cfg(target_env = "musl")]
  56         __reserved: [c_long; 16],
  57     }
  58
  59     #[cfg_attr(target_os = "netbsd", repr(packed))]
  60     pub struct in_addr {
  61         pub s_addr: in_addr_t,
  62     }
  63
  64     pub struct in6_addr {
  65         pub s6_addr: [u8; 16],
  66         __align: [u32; 0],
  67     }
  68
  69     pub struct ip_mreq {
  70         pub imr_multiaddr: in_addr,
  71         pub imr_interface: in_addr,
  72     }
  73
  74     pub struct ipv6_mreq {
  75         pub ipv6mr_multiaddr: in6_addr,
  76         #[cfg(target_os = "android")]
  77         pub ipv6mr_interface: ::c_int,
  78         #[cfg(not(target_os = "android"))]
  79         pub ipv6mr_interface: ::c_uint,
  80     }
  81
  82     pub struct hostent {
  83         pub h_name: *mut ::c_char,
  84         pub h_aliases: *mut *mut ::c_char,
  85         pub h_addrtype: ::c_int,
  86         pub h_length: ::c_int,
  87         pub h_addr_list: *mut *mut ::c_char,
  88     }
  89
  90     pub struct iovec {
  91         pub iov_base: *mut ::c_void,
  92         pub iov_len: ::size_t,
  93     }
  94
  95     pub struct pollfd {
  96         pub fd: ::c_int,
  97         pub events: ::c_short,
  98         pub revents: ::c_short,
  99     }
 100 }
 101
 102 pub const WNOHANG: ::c_int = 1;
 103 pub const SIG_DFL: sighandler_t = 0 as sighandler_t;
 104 pub const SIG_IGN: sighandler_t = 1 as sighandler_t;
 105 pub const SIG_ERR: sighandler_t = !0 as sighandler_t;
 106
 107 pub const DT_FIFO: u8 = 1;
 108 pub const DT_CHR: u8 = 2;
 109 pub const DT_DIR: u8 = 4;
 110 pub const DT_BLK: u8 = 6;
 111 pub const DT_REG: u8 = 8;
 112 pub const DT_LNK: u8 = 10;
 113 pub const DT_SOCK: u8 = 12;
 114
 115 pub const FD_CLOEXEC: ::c_int = 0x1;
 116
 117 pub const USRQUOTA: ::c_int = 0;
 118 pub const GRPQUOTA: ::c_int = 1;
 119
 120 pub const SIGIOT: ::c_int = 6;
 121
 122 pub const S_ISUID: ::c_int = 0x800;
 123 pub const S_ISGID: ::c_int = 0x400;
 124 pub const S_ISVTX: ::c_int = 0x200;
 125
 126 pub const POLLIN: ::c_short = 0x1;
 127 pub const POLLPRI: ::c_short = 0x2;
 128 pub const POLLOUT: ::c_short = 0x4;
 129 pub const POLLERR: ::c_short = 0x8;
 130 pub const POLLHUP: ::c_short = 0x10;
 131 pub const POLLNVAL: ::c_short = 0x20;
 132
 133 cfg_if! {
 134     if #[cfg(feature = "default")] {
 135         // cargo build, don't pull in anything extra as the libstd  dep
 136         // already pulls in all libs.
 137     } else if #[cfg(target_env = "musl")] {
 138         #[link(name = "c", kind = "static")]
 139         extern {}
 140     } else if #[cfg(target_os = "emscripten")] {
 141         #[link(name = "c")]
 142         extern {}
 143     } else if #[cfg(any(target_os = "macos",
 144                         target_os = "ios",
 145                         target_os = "android",
 146                         target_os = "openbsd",
 147                         target_os = "bitrig"))] {
 148         #[link(name = "c")]
 149         #[link(name = "m")]
 150         extern {}
 151     } else {
 152         #[link(name = "c")]
 153         #[link(name = "m")]
 154         #[link(name = "rt")]
 155         extern {}
 156     }
 157 }
 158
 159 extern {
 160     #[cfg_attr(target_os = "netbsd", link_name = "__socket30")]
 161     pub fn socket(domain: ::c_int, ty: ::c_int, protocol: ::c_int) -> ::c_int;
 162     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 163                link_name = "connect$UNIX2003")]
 164     pub fn connect(socket: ::c_int, address: *const sockaddr,
 165                    len: socklen_t) -> ::c_int;
 166     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 167                link_name = "bind$UNIX2003")]
 168     pub fn bind(socket: ::c_int, address: *const sockaddr,
 169                 address_len: socklen_t) -> ::c_int;
 170     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 171                link_name = "listen$UNIX2003")]
 172     pub fn listen(socket: ::c_int, backlog: ::c_int) -> ::c_int;
 173     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 174                link_name = "accept$UNIX2003")]
 175     pub fn accept(socket: ::c_int, address: *mut sockaddr,
 176                   address_len: *mut socklen_t) -> ::c_int;
 177     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 178                link_name = "getpeername$UNIX2003")]
 179     pub fn getpeername(socket: ::c_int, address: *mut sockaddr,
 180                        address_len: *mut socklen_t) -> ::c_int;
 181     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 182                link_name = "getsockname$UNIX2003")]
 183     pub fn getsockname(socket: ::c_int, address: *mut sockaddr,
 184                        address_len: *mut socklen_t) -> ::c_int;
 185     pub fn setsockopt(socket: ::c_int, level: ::c_int, name: ::c_int,
 186                       value: *const ::c_void,
 187                       option_len: socklen_t) -> ::c_int;
 188     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 189                link_name = "socketpair$UNIX2003")]
 190     pub fn socketpair(domain: ::c_int, type_: ::c_int, protocol: ::c_int,
 191                       socket_vector: *mut ::c_int) -> ::c_int;
 192     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 193                link_name = "sendto$UNIX2003")]
 194     pub fn sendto(socket: ::c_int, buf: *const ::c_void, len: ::size_t,
 195                   flags: ::c_int, addr: *const sockaddr,
 196                   addrlen: socklen_t) -> ::ssize_t;
 197     pub fn shutdown(socket: ::c_int, how: ::c_int) -> ::c_int;
 198
 199     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 200                link_name = "chmod$UNIX2003")]
 201     pub fn chmod(path: *const c_char, mode: mode_t) -> ::c_int;
 202     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 203                link_name = "fchmod$UNIX2003")]
 204     pub fn fchmod(fd: ::c_int, mode: mode_t) -> ::c_int;
 205
 206     #[cfg_attr(target_os = "macos", link_name = "fstat$INODE64")]
 207     #[cfg_attr(target_os = "netbsd", link_name = "__fstat50")]
 208     pub fn fstat(fildes: ::c_int, buf: *mut stat) -> ::c_int;
 209
 210     pub fn mkdir(path: *const c_char, mode: mode_t) -> ::c_int;
 211
 212     #[cfg_attr(target_os = "macos", link_name = "stat$INODE64")]
 213     #[cfg_attr(target_os = "netbsd", link_name = "__stat50")]
 214     pub fn stat(path: *const c_char, buf: *mut stat) -> ::c_int;
 215
 216     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 217                link_name = "popen$UNIX2003")]
 218     pub fn popen(command: *const c_char,
 219                  mode: *const c_char) -> *mut ::FILE;
 220     pub fn pclose(stream: *mut ::FILE) -> ::c_int;
 221     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 222                link_name = "fdopen$UNIX2003")]
 223     pub fn fdopen(fd: ::c_int, mode: *const c_char) -> *mut ::FILE;
 224     pub fn fileno(stream: *mut ::FILE) -> ::c_int;
 225
 226     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 227                link_name = "open$UNIX2003")]
 228     pub fn open(path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
 229     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 230                link_name = "creat$UNIX2003")]
 231     pub fn creat(path: *const c_char, mode: mode_t) -> ::c_int;
 232     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 233                link_name = "fcntl$UNIX2003")]
 234     pub fn fcntl(fd: ::c_int, cmd: ::c_int, ...) -> ::c_int;
 235
 236     #[cfg_attr(all(target_os = "macos", target_arch = "x86_64"),
 237                link_name = "opendir$INODE64")]
 238     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 239                link_name = "opendir$INODE64$UNIX2003")]
 240     #[cfg_attr(target_os = "netbsd", link_name = "__opendir30")]
 241     pub fn opendir(dirname: *const c_char) -> *mut ::DIR;
 242     #[cfg_attr(target_os = "macos", link_name = "readdir_r$INODE64")]
 243     #[cfg_attr(target_os = "netbsd", link_name = "__readdir_r30")]
 244     pub fn readdir_r(dirp: *mut ::DIR, entry: *mut ::dirent,
 245                      result: *mut *mut ::dirent) -> ::c_int;
 246     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 247                link_name = "closedir$UNIX2003")]
 248     pub fn closedir(dirp: *mut ::DIR) -> ::c_int;
 249     #[cfg_attr(all(target_os = "macos", target_arch = "x86_64"),
 250                link_name = "rewinddir$INODE64")]
 251     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 252                link_name = "rewinddir$INODE64$UNIX2003")]
 253     pub fn rewinddir(dirp: *mut ::DIR);
 254
 255     pub fn access(path: *const c_char, amode: ::c_int) -> ::c_int;
 256     pub fn alarm(seconds: ::c_uint) -> ::c_uint;
 257     pub fn chdir(dir: *const c_char) -> ::c_int;
 258     pub fn chown(path: *const c_char, uid: uid_t,
 259                  gid: gid_t) -> ::c_int;
 260     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 261                link_name = "close$UNIX2003")]
 262     pub fn close(fd: ::c_int) -> ::c_int;
 263     pub fn dup(fd: ::c_int) -> ::c_int;
 264     pub fn dup2(src: ::c_int, dst: ::c_int) -> ::c_int;
 265     pub fn execv(prog: *const c_char,
 266                  argv: *const *const c_char) -> ::c_int;
 267     pub fn execve(prog: *const c_char, argv: *const *const c_char,
 268                   envp: *const *const c_char)
 269                   -> ::c_int;
 270     pub fn execvp(c: *const c_char,
 271                   argv: *const *const c_char) -> ::c_int;
 272     pub fn fork() -> pid_t;
 273     pub fn fpathconf(filedes: ::c_int, name: ::c_int) -> c_long;
 274     pub fn getcwd(buf: *mut c_char, size: ::size_t) -> *mut c_char;
 275     pub fn getegid() -> gid_t;
 276     pub fn geteuid() -> uid_t;
 277     pub fn getgid() -> gid_t;
 278     pub fn getgroups(ngroups_max: ::c_int, groups: *mut gid_t)
 279                      -> ::c_int;
 280     pub fn getlogin() -> *mut c_char;
 281     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 282                link_name = "getopt$UNIX2003")]
 283     pub fn getopt(argc: ::c_int, argv: *const *mut c_char,
 284                   optstr: *const c_char) -> ::c_int;
 285     pub fn getpgrp() -> pid_t;
 286     pub fn getpid() -> pid_t;
 287     pub fn getppid() -> pid_t;
 288     pub fn getuid() -> uid_t;
 289     pub fn isatty(fd: ::c_int) -> ::c_int;
 290     pub fn link(src: *const c_char, dst: *const c_char) -> ::c_int;
 291     pub fn lseek(fd: ::c_int, offset: off_t, whence: ::c_int) -> off_t;
 292     pub fn pathconf(path: *const c_char, name: ::c_int) -> c_long;
 293     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 294                link_name = "pause$UNIX2003")]
 295     pub fn pause() -> ::c_int;
 296     pub fn pipe(fds: *mut ::c_int) -> ::c_int;
 297     pub fn posix_memalign(memptr: *mut *mut ::c_void,
 298                       align: ::size_t,
 299                       size: ::size_t) -> ::c_int;
 300     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 301                link_name = "read$UNIX2003")]
 302     pub fn read(fd: ::c_int, buf: *mut ::c_void, count: ::size_t)
 303                 -> ::ssize_t;
 304     pub fn rmdir(path: *const c_char) -> ::c_int;
 305     pub fn setgid(gid: gid_t) -> ::c_int;
 306     pub fn setpgid(pid: pid_t, pgid: pid_t) -> ::c_int;
 307     pub fn setsid() -> pid_t;
 308     pub fn setuid(uid: uid_t) -> ::c_int;
 309     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 310                link_name = "sleep$UNIX2003")]
 311     pub fn sleep(secs: ::c_uint) -> ::c_uint;
 312     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 313                link_name = "nanosleep$UNIX2003")]
 314     #[cfg_attr(target_os = "netbsd", link_name = "__nanosleep50")]
 315     pub fn nanosleep(rqtp: *const timespec,
 316                      rmtp: *mut timespec) -> ::c_int;
 317     pub fn tcgetpgrp(fd: ::c_int) -> pid_t;
 318     pub fn ttyname(fd: ::c_int) -> *mut c_char;
 319     pub fn unlink(c: *const c_char) -> ::c_int;
 320     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 321                link_name = "wait$UNIX2003")]
 322     pub fn wait(status: *mut ::c_int) -> pid_t;
 323     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 324                link_name = "waitpid$UNIX2003")]
 325     pub fn waitpid(pid: pid_t, status: *mut ::c_int, options: ::c_int)
 326                    -> pid_t;
 327     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 328                link_name = "write$UNIX2003")]
 329     pub fn write(fd: ::c_int, buf: *const ::c_void, count: ::size_t)
 330                  -> ::ssize_t;
 331     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 332                link_name = "pread$UNIX2003")]
 333     pub fn pread(fd: ::c_int, buf: *mut ::c_void, count: ::size_t,
 334                  offset: off_t) -> ::ssize_t;
 335     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 336                link_name = "pwrite$UNIX2003")]
 337     pub fn pwrite(fd: ::c_int, buf: *const ::c_void, count: ::size_t,
 338                   offset: off_t) -> ::ssize_t;
 339     pub fn umask(mask: mode_t) -> mode_t;
 340
 341     #[cfg_attr(target_os = "netbsd", link_name = "__utime50")]
 342     pub fn utime(file: *const c_char, buf: *const utimbuf) -> ::c_int;
 343
 344     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 345                    link_name = "kill$UNIX2003")]
 346     pub fn kill(pid: pid_t, sig: ::c_int) -> ::c_int;
 347
 348     pub fn mlock(addr: *const ::c_void, len: ::size_t) -> ::c_int;
 349     pub fn munlock(addr: *const ::c_void, len: ::size_t) -> ::c_int;
 350     pub fn mlockall(flags: ::c_int) -> ::c_int;
 351     pub fn munlockall() -> ::c_int;
 352
 353     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 354                link_name = "mmap$UNIX2003")]
 355     pub fn mmap(addr: *mut ::c_void,
 356                 len: ::size_t,
 357                 prot: ::c_int,
 358                 flags: ::c_int,
 359                 fd: ::c_int,
 360                 offset: off_t)
 361                 -> *mut ::c_void;
 362     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 363                link_name = "munmap$UNIX2003")]
 364     pub fn munmap(addr: *mut ::c_void, len: ::size_t) -> ::c_int;
 365
 366     pub fn if_nametoindex(ifname: *const c_char) -> ::c_uint;
 367
 368     #[cfg_attr(target_os = "macos", link_name = "lstat$INODE64")]
 369     #[cfg_attr(target_os = "netbsd", link_name = "__lstat50")]
 370     pub fn lstat(path: *const c_char, buf: *mut stat) -> ::c_int;
 371
 372     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 373                link_name = "fsync$UNIX2003")]
 374     pub fn fsync(fd: ::c_int) -> ::c_int;
 375
 376     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 377                link_name = "setenv$UNIX2003")]
 378     pub fn setenv(name: *const c_char, val: *const c_char,
 379                   overwrite: ::c_int) -> ::c_int;
 380     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 381                link_name = "unsetenv$UNIX2003")]
 382     #[cfg_attr(target_os = "netbsd", link_name = "__unsetenv13")]
 383     pub fn unsetenv(name: *const c_char) -> ::c_int;
 384
 385     pub fn symlink(path1: *const c_char,
 386                    path2: *const c_char) -> ::c_int;
 387
 388     pub fn ftruncate(fd: ::c_int, length: off_t) -> ::c_int;
 389
 390     #[cfg_attr(target_os = "android", link_name = "bsd_signal")]
 391     pub fn signal(signum: ::c_int, handler: sighandler_t) -> sighandler_t;
 392
 393     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 394                link_name = "getrlimit$UNIX2003")]
 395     pub fn getrlimit(resource: ::c_int, rlim: *mut rlimit) -> ::c_int;
 396     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 397                link_name = "setrlimit$UNIX2003")]
 398     pub fn setrlimit(resource: ::c_int, rlim: *const rlimit) -> ::c_int;
 399     #[cfg_attr(target_os = "netbsd", link_name = "__getrusage50")]
 400     pub fn getrusage(resource: ::c_int, usage: *mut rusage) -> ::c_int;
 401
 402     pub fn getdtablesize() -> ::c_int;
 403     #[cfg_attr(any(target_os = "macos", target_os = "ios"),
 404                link_name = "realpath$DARWIN_EXTSN")]
 405     pub fn realpath(pathname: *const ::c_char, resolved: *mut ::c_char)
 406                     -> *mut ::c_char;
 407
 408     pub fn flock(fd: ::c_int, operation: ::c_int) -> ::c_int;
 409
 410     #[cfg_attr(arget_os = "netbsd", link_name = "__gettimeofday50")]
 411     pub fn gettimeofday(tp: *mut ::timeval,
 412                         tz: *mut ::c_void) -> ::c_int;
 413
 414     pub fn pthread_self() -> ::pthread_t;
 415     pub fn pthread_create(native: *mut ::pthread_t,
 416                           attr: *const ::pthread_attr_t,
 417                           f: extern fn(*mut ::c_void) -> *mut ::c_void,
 418                           value: *mut ::c_void) -> ::c_int;
 419     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 420                link_name = "pthread_join$UNIX2003")]
 421     pub fn pthread_join(native: ::pthread_t,
 422                         value: *mut *mut ::c_void) -> ::c_int;
 423     pub fn pthread_attr_init(attr: *mut ::pthread_attr_t) -> ::c_int;
 424     pub fn pthread_attr_destroy(attr: *mut ::pthread_attr_t) -> ::c_int;
 425     pub fn pthread_attr_setstacksize(attr: *mut ::pthread_attr_t,
 426                                      stack_size: ::size_t) -> ::c_int;
 427     pub fn pthread_attr_setdetachstate(attr: *mut ::pthread_attr_t,
 428                                        state: ::c_int) -> ::c_int;
 429     pub fn pthread_detach(thread: ::pthread_t) -> ::c_int;
 430     #[cfg_attr(target_os = "netbsd", link_name = "__libc_thr_yield")]
 431     pub fn sched_yield() -> ::c_int;
 432     pub fn pthread_key_create(key: *mut pthread_key_t,
 433                               dtor: ::dox::Option<unsafe extern fn(*mut ::c_void)>)
 434                               -> ::c_int;
 435     pub fn pthread_key_delete(key: pthread_key_t) -> ::c_int;
 436     pub fn pthread_getspecific(key: pthread_key_t) -> *mut ::c_void;
 437     pub fn pthread_setspecific(key: pthread_key_t, value: *const ::c_void)
 438                                -> ::c_int;
 439     pub fn pthread_mutex_init(lock: *mut pthread_mutex_t,
 440                               attr: *const pthread_mutexattr_t) -> ::c_int;
 441     pub fn pthread_mutex_destroy(lock: *mut pthread_mutex_t) -> ::c_int;
 442     pub fn pthread_mutex_lock(lock: *mut pthread_mutex_t) -> ::c_int;
 443     pub fn pthread_mutex_trylock(lock: *mut pthread_mutex_t) -> ::c_int;
 444     pub fn pthread_mutex_unlock(lock: *mut pthread_mutex_t) -> ::c_int;
 445
 446     pub fn pthread_mutexattr_init(attr: *mut pthread_mutexattr_t) -> ::c_int;
 447     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 448                link_name = "pthread_mutexattr_destroy$UNIX2003")]
 449     pub fn pthread_mutexattr_destroy(attr: *mut pthread_mutexattr_t) -> ::c_int;
 450     pub fn pthread_mutexattr_settype(attr: *mut pthread_mutexattr_t,
 451                                      _type: ::c_int) -> ::c_int;
 452
 453     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 454                link_name = "pthread_cond_wait$UNIX2003")]
 455     pub fn pthread_cond_wait(cond: *mut pthread_cond_t,
 456                              lock: *mut pthread_mutex_t) -> ::c_int;
 457     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 458                link_name = "pthread_cond_timedwait$UNIX2003")]
 459     pub fn pthread_cond_timedwait(cond: *mut pthread_cond_t,
 460                               lock: *mut pthread_mutex_t,
 461                               abstime: *const ::timespec) -> ::c_int;
 462     pub fn pthread_cond_signal(cond: *mut pthread_cond_t) -> ::c_int;
 463     pub fn pthread_cond_broadcast(cond: *mut pthread_cond_t) -> ::c_int;
 464     pub fn pthread_cond_destroy(cond: *mut pthread_cond_t) -> ::c_int;
 465     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 466                link_name = "pthread_rwlock_destroy$UNIX2003")]
 467     pub fn pthread_rwlock_destroy(lock: *mut pthread_rwlock_t) -> ::c_int;
 468     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 469                link_name = "pthread_rwlock_rdlock$UNIX2003")]
 470     pub fn pthread_rwlock_rdlock(lock: *mut pthread_rwlock_t) -> ::c_int;
 471     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 472                link_name = "pthread_rwlock_tryrdlock$UNIX2003")]
 473     pub fn pthread_rwlock_tryrdlock(lock: *mut pthread_rwlock_t) -> ::c_int;
 474     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 475                link_name = "pthread_rwlock_wrlock$UNIX2003")]
 476     pub fn pthread_rwlock_wrlock(lock: *mut pthread_rwlock_t) -> ::c_int;
 477     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 478                link_name = "pthread_rwlock_trywrlock$UNIX2003")]
 479     pub fn pthread_rwlock_trywrlock(lock: *mut pthread_rwlock_t) -> ::c_int;
 480     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 481                link_name = "pthread_rwlock_unlock$UNIX2003")]
 482     pub fn pthread_rwlock_unlock(lock: *mut pthread_rwlock_t) -> ::c_int;
 483     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 484                link_name = "pthread_sigmask$UNIX2003")]
 485     pub fn pthread_sigmask(how: ::c_int, set: *const sigset_t,
 486                            oldset: *mut sigset_t) -> ::c_int;
 487
 488     // #[cfg_attr(target_os = "linux", link_name = "__xpg_strerror_r")]
 489     pub fn strerror_r(errnum: ::c_int, buf: *mut c_char,
 490                       buflen: ::size_t) -> ::c_int;
 491
 492     pub fn getsockopt(sockfd: ::c_int,
 493                       level: ::c_int,
 494                       optname: ::c_int,
 495                       optval: *mut ::c_void,
 496                       optlen: *mut ::socklen_t) -> ::c_int;
 497     pub fn raise(signum: ::c_int) -> ::c_int;
 498     pub fn sigaction(signum: ::c_int,
 499                      act: *const sigaction,
 500                      oldact: *mut sigaction) -> ::c_int;
 501     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 502                link_name = "sigaltstack$UNIX2003")]
 503     pub fn sigaltstack(ss: *const stack_t,
 504                        oss: *mut stack_t) -> ::c_int;
 505
 506     #[cfg_attr(target_os = "netbsd", link_name = "__utimes50")]
 507     pub fn utimes(filename: *const ::c_char,
 508                   times: *const ::timeval) -> ::c_int;
 509     pub fn dlopen(filename: *const ::c_char,
 510                   flag: ::c_int) -> *mut ::c_void;
 511     pub fn dlerror() -> *mut ::c_char;
 512     pub fn dlsym(handle: *mut ::c_void,
 513                  symbol: *const ::c_char) -> *mut ::c_void;
 514     pub fn dlclose(handle: *mut ::c_void) -> ::c_int;
 515     pub fn dladdr(addr: *const ::c_void, info: *mut Dl_info) -> ::c_int;
 516
 517     pub fn getaddrinfo(node: *const c_char,
 518                        service: *const c_char,
 519                        hints: *const addrinfo,
 520                        res: *mut *mut addrinfo) -> ::c_int;
 521     pub fn freeaddrinfo(res: *mut addrinfo);
 522     pub fn gai_strerror(errcode: ::c_int) -> *const ::c_char;
 523
 524     #[cfg_attr(target_os = "netbsd", link_name = "__gmtime_r50")]
 525     pub fn gmtime_r(time_p: *const time_t, result: *mut tm) -> *mut tm;
 526     #[cfg_attr(target_os = "netbsd", link_name = "__localtime_r50")]
 527     pub fn localtime_r(time_p: *const time_t, result: *mut tm) -> *mut tm;
 528     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 529                link_name = "mktime$UNIX2003")]
 530     #[cfg_attr(target_os = "netbsd", link_name = "__mktime50")]
 531     pub fn mktime(tm: *mut tm) -> time_t;
 532
 533     #[cfg_attr(target_os = "netbsd", link_name = "__mknod50")]
 534     pub fn mknod(pathname: *const ::c_char, mode: ::mode_t,
 535                  dev: ::dev_t) -> ::c_int;
 536     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 537                link_name = "writev$UNIX2003")]
 538     pub fn writev(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int) -> ::ssize_t;
 539     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 540                link_name = "readv$UNIX2003")]
 541     pub fn readv(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int) -> ::ssize_t;
 542     pub fn uname(buf: *mut ::utsname) -> ::c_int;
 543     pub fn daemon(nochdir: ::c_int, noclose: ::c_int) -> ::c_int;
 544     pub fn gethostname(name: *mut ::c_char, len: ::size_t) -> ::c_int;
 545     pub fn chroot(name: *const ::c_char) -> ::c_int;
 546     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 547                link_name = "usleep$UNIX2003")]
 548     pub fn usleep(secs: ::c_uint) -> ::c_int;
 549     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 550                link_name = "send$UNIX2003")]
 551     pub fn send(socket: ::c_int, buf: *const ::c_void, len: ::size_t,
 552                 flags: ::c_int) -> ::ssize_t;
 553     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 554                link_name = "recv$UNIX2003")]
 555     pub fn recv(socket: ::c_int, buf: *mut ::c_void, len: ::size_t,
 556                 flags: ::c_int) -> ::ssize_t;
 557     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 558                link_name = "putenv$UNIX2003")]
 559     #[cfg_attr(target_os = "netbsd", link_name = "__putenv50")]
 560     pub fn putenv(string: *mut c_char) -> ::c_int;
 561     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 562                link_name = "sendmsg$UNIX2003")]
 563     pub fn sendmsg(fd: ::c_int, msg: *const msghdr, flags: ::c_int) -> ::ssize_t;
 564     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 565                link_name = "recvmsg$UNIX2003")]
 566     pub fn recvmsg(fd: ::c_int, msg: *mut msghdr, flags: ::c_int) -> ::ssize_t;
 567     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 568                link_name = "poll$UNIX2003")]
 569     pub fn poll(fds: *mut pollfd, nfds: nfds_t, timeout: ::c_int) -> ::c_int;
 570 }
 571
 572 // TODO: get rid of this #[cfg(not(...))]
 573 #[cfg(not(target_os = "android"))]
 574 extern {
 575     pub fn getifaddrs(ifap: *mut *mut ifaddrs) -> ::c_int;
 576     pub fn freeifaddrs(ifa: *mut ifaddrs);
 577     #[cfg_attr(target_os = "macos", link_name = "glob$INODE64")]
 578     #[cfg_attr(target_os = "netbsd", link_name = "__glob30")]
 579     pub fn glob(pattern: *const c_char,
 580                 flags: ::c_int,
 581                 errfunc: ::dox::Option<extern "C" fn(epath: *const c_char,
 582                                                      errno: ::c_int) -> ::c_int>,
 583                 pglob: *mut glob_t) -> ::c_int;
 584     #[cfg_attr(target_os = "netbsd", link_name = "__globfree30")]
 585     pub fn globfree(pglob: *mut glob_t);
 586
 587     pub fn posix_madvise(addr: *mut ::c_void, len: ::size_t, advice: ::c_int)
 588                          -> ::c_int;
 589
 590     pub fn shm_unlink(name: *const c_char) -> ::c_int;
 591
 592     #[cfg_attr(all(target_os = "macos", target_arch = "x86_64"),
 593                link_name = "seekdir$INODE64")]
 594     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 595                link_name = "seekdir$INODE64$UNIX2003")]
 596     pub fn seekdir(dirp: *mut ::DIR, loc: c_long);
 597
 598     #[cfg_attr(all(target_os = "macos", target_arch = "x86_64"),
 599                link_name = "telldir$INODE64")]
 600     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 601                link_name = "telldir$INODE64$UNIX2003")]
 602     pub fn telldir(dirp: *mut ::DIR) -> c_long;
 603
 604     pub fn getsid(pid: pid_t) -> pid_t;
 605     pub fn madvise(addr: *mut ::c_void, len: ::size_t, advice: ::c_int)
 606                    -> ::c_int;
 607     pub fn readlink(path: *const c_char,
 608                     buf: *mut c_char,
 609                     bufsz: ::size_t)
 610                     -> ::ssize_t;
 611
 612     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 613                link_name = "msync$UNIX2003")]
 614     #[cfg_attr(target_os = "netbsd", link_name = "__msync13")]
 615     pub fn msync(addr: *mut ::c_void, len: ::size_t, flags: ::c_int) -> ::c_int;
 616     pub fn sysconf(name: ::c_int) -> c_long;
 617     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 618                link_name = "recvfrom$UNIX2003")]
 619     pub fn recvfrom(socket: ::c_int, buf: *mut ::c_void, len: ::size_t,
 620                     flags: ::c_int, addr: *mut sockaddr,
 621                     addrlen: *mut socklen_t) -> ::ssize_t;
 622     pub fn mkfifo(path: *const c_char, mode: mode_t) -> ::c_int;
 623
 624     #[cfg_attr(target_os = "netbsd", link_name = "__getpwuid_r50")]
 625     pub fn getpwuid_r(uid: ::uid_t,
 626                       pwd: *mut passwd,
 627                       buf: *mut ::c_char,
 628                       buflen: ::size_t,
 629                       result: *mut *mut passwd) -> ::c_int;
 630     #[cfg_attr(target_os = "netbsd", link_name = "__sigemptyset14")]
 631     pub fn sigemptyset(set: *mut sigset_t) -> ::c_int;
 632     #[cfg_attr(target_os = "netbsd", link_name = "__sigaddset14")]
 633     pub fn sigaddset(set: *mut sigset_t, signum: ::c_int) -> ::c_int;
 634     #[cfg_attr(target_os = "netbsd", link_name = "__sigfillset14")]
 635     pub fn sigfillset(set: *mut sigset_t) -> ::c_int;
 636     #[cfg_attr(target_os = "netbsd", link_name = "__sigdelset14")]
 637     pub fn sigdelset(set: *mut sigset_t, signum: ::c_int) -> ::c_int;
 638     #[cfg_attr(target_os = "netbsd", link_name = "__sigismember14")]
 639     pub fn sigismember(set: *const sigset_t, signum: ::c_int) -> ::c_int;
 640     #[cfg_attr(all(target_os = "macos", target_arch = "x86_64"),
 641                link_name = "select$1050")]
 642     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 643                link_name = "select$UNIX2003")]
 644     #[cfg_attr(target_os = "netbsd", link_name = "__select50")]
 645     pub fn select(nfds: ::c_int,
 646                   readfs: *mut fd_set,
 647                   writefds: *mut fd_set,
 648                   errorfds: *mut fd_set,
 649                   timeout: *mut timeval) -> ::c_int;
 650     #[cfg_attr(all(target_os = "macos", target_arch = "x86_64"),
 651                link_name = "pselect$1050")]
 652     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 653                link_name = "pselect$UNIX2003")]
 654     #[cfg_attr(target_os = "netbsd", link_name = "__pselect50")]
 655     pub fn pselect(nfds: ::c_int,
 656                    readfs: *mut fd_set,
 657                    writefds: *mut fd_set,
 658                    errorfds: *mut fd_set,
 659                    timeout: *const timespec,
 660                    sigmask: *const sigset_t) -> ::c_int;
 661     pub fn fseeko(stream: *mut ::FILE,
 662                   offset: ::off_t,
 663                   whence: ::c_int) -> ::c_int;
 664     pub fn ftello(stream: *mut ::FILE) -> ::off_t;
 665     #[cfg_attr(target_os = "netbsd", link_name = "__timegm50")]
 666     pub fn timegm(tm: *mut ::tm) -> time_t;
 667     pub fn statvfs(path: *const c_char, buf: *mut statvfs) -> ::c_int;
 668     pub fn fstatvfs(fd: ::c_int, buf: *mut statvfs) -> ::c_int;
 669     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
 670                link_name = "tcdrain$UNIX2003")]
 671     pub fn tcdrain(fd: ::c_int) -> ::c_int;
 672     pub fn cfgetispeed(termios: *const ::termios) -> ::speed_t;
 673     pub fn cfgetospeed(termios: *const ::termios) -> ::speed_t;
 674     pub fn cfsetispeed(termios: *mut ::termios, speed: ::speed_t) -> ::c_int;
 675     pub fn cfsetospeed(termios: *mut ::termios, speed: ::speed_t) -> ::c_int;
 676     pub fn tcgetattr(fd: ::c_int, termios: *mut ::termios) -> ::c_int;
 677     pub fn tcsetattr(fd: ::c_int,
 678                      optional_actions: ::c_int,
 679                      termios: *const ::termios) -> ::c_int;
 680     pub fn tcflow(fd: ::c_int, action: ::c_int) -> ::c_int;
 681     pub fn tcflush(fd: ::c_int, action: ::c_int) -> ::c_int;
 682     pub fn tcsendbreak(fd: ::c_int, duration: ::c_int) -> ::c_int;
 683 }
 684
 685 cfg_if! {
 686     if #[cfg(any(target_os = "linux",
 687                  target_os = "android",
 688                  target_os = "emscripten"))] {
 689         mod notbsd;
 690         pub use self::notbsd::*;
 691     } else if #[cfg(any(target_os = "macos",
 692                         target_os = "ios",
 693                         target_os = "freebsd",
 694                         target_os = "dragonfly",
 695                         target_os = "openbsd",
 696                         target_os = "netbsd",
 697                         target_os = "bitrig"))] {
 698         mod bsd;
 699         pub use self::bsd::*;
 700     } else {
 701         // ...
 702     }
 703 }