Update libc crate to 0.2.55

This change updates the libc crate to version 0.2.55.

Import subrepo libc/:libc at caf17a0641d29dc624621177f5756804dd180c13

1 files changed, 588 insertions, 0 deletions

diff --git a/libc/src/unix/redox/mod.rs b/libc/src/unix/redox/mod.rs
new file mode 100644
index 0000000..4bb1ab4
--- /dev/null
+++ b/libc/src/unix/redox/mod.rs
@@ -0,0 +1,588 @@
+pub type c_char = i8;
+pub type c_long = i64;
+pub type c_ulong = u64;
+pub type wchar_t = i32;
+
+pub type blkcnt_t = ::c_ulong;
+pub type blksize_t = ::c_long;
+pub type clock_t = ::c_long;
+pub type clockid_t = ::c_int;
+pub type dev_t = ::c_long;
+pub type fsblkcnt_t = ::c_ulong;
+pub type fsfilcnt_t = ::c_ulong;
+pub type ino_t = ::c_ulong;
+pub type mode_t = ::c_int;
+pub type nfds_t = ::c_ulong;
+pub type nlink_t = ::c_ulong;
+pub type off_t = ::c_long;
+pub type pthread_t = *mut ::c_void;
+pub type pthread_attr_t = *mut ::c_void;
+pub type pthread_cond_t = *mut ::c_void;
+pub type pthread_condattr_t = *mut ::c_void;
+// Must be usize due to libstd/sys_common/thread_local.rs,
+// should technically be *mut ::c_void
+pub type pthread_key_t = usize;
+pub type pthread_mutex_t = *mut ::c_void;
+pub type pthread_mutexattr_t = *mut ::c_void;
+pub type pthread_rwlock_t = *mut ::c_void;
+pub type pthread_rwlockattr_t = *mut ::c_void;
+pub type rlim_t = ::c_ulonglong;
+pub type sa_family_t = u16;
+pub type sem_t = *mut ::c_void;
+pub type sigset_t = ::c_ulong;
+pub type socklen_t = u32;
+pub type speed_t = u32;
+pub type suseconds_t = ::c_int;
+pub type tcflag_t = u32;
+pub type time_t = ::c_long;
+
+s! {
+    pub struct addrinfo {
+        pub ai_flags: ::c_int,
+        pub ai_family: ::c_int,
+        pub ai_socktype: ::c_int,
+        pub ai_protocol: ::c_int,
+        pub ai_addrlen: ::size_t,
+        pub ai_canonname: *mut ::c_char,
+        pub ai_addr: *mut ::sockaddr,
+        pub ai_next: *mut ::addrinfo,
+    }
+
+    pub struct dirent {
+        pub d_ino: ::ino_t,
+        pub d_off: ::off_t,
+        pub d_reclen: ::c_ushort,
+        pub d_type: ::c_uchar,
+        pub d_name: [::c_char; 256],
+    }
+
+    pub struct Dl_info {
+        pub dli_fname: *const ::c_char,
+        pub dli_fbase: *mut ::c_void,
+        pub dli_sname: *const ::c_char,
+        pub dli_saddr: *mut ::c_void,
+    }
+
+    pub struct epoll_event {
+        pub events: u32,
+        pub u64: u64,
+        pub _pad: u64,
+    }
+
+    pub struct fd_set {
+        fds_bits: [::c_ulong; ::FD_SETSIZE / ULONG_SIZE],
+    }
+
+    pub struct in_addr {
+        pub s_addr: ::in_addr_t,
+    }
+
+    pub struct ip_mreq {
+        pub imr_multiaddr: ::in_addr,
+        pub imr_interface: ::in_addr,
+    }
+
+    pub struct lconv {
+        pub currency_symbol: *const ::c_char,
+        pub decimal_point: *const ::c_char,
+        pub frac_digits: ::c_char,
+        pub grouping: *const ::c_char,
+        pub int_curr_symbol: *const ::c_char,
+        pub int_frac_digits: ::c_char,
+        pub mon_decimal_point: *const ::c_char,
+        pub mon_grouping: *const ::c_char,
+        pub mon_thousands_sep: *const ::c_char,
+        pub negative_sign: *const ::c_char,
+        pub n_cs_precedes: ::c_char,
+        pub n_sep_by_space: ::c_char,
+        pub n_sign_posn: ::c_char,
+        pub positive_sign: *const ::c_char,
+        pub p_cs_precedes: ::c_char,
+        pub p_sep_by_space: ::c_char,
+        pub p_sign_posn: ::c_char,
+        pub thousands_sep: *const ::c_char,
+    }
+
+    pub struct passwd {
+        pub pw_name: *mut ::c_char,
+        pub pw_passwd: *mut ::c_char,
+        pub pw_uid: ::uid_t,
+        pub pw_gid: ::gid_t,
+        pub pw_gecos: *mut ::c_char,
+        pub pw_dir: *mut ::c_char,
+        pub pw_shell: *mut ::c_char,
+    }
+
+    pub struct sigaction {
+        pub sa_handler: ::sighandler_t,
+        pub sa_flags: ::c_ulong,
+        pub sa_restorer: ::Option<extern fn()>,
+        pub sa_mask: ::sigset_t,
+    }
+
+    pub struct sockaddr {
+        pub sa_family: ::sa_family_t,
+        pub sa_data: [::c_char; 14],
+    }
+
+    pub struct sockaddr_in {
+        pub sin_family: ::sa_family_t,
+        pub sin_port: ::in_port_t,
+        pub sin_addr: ::in_addr,
+        pub sin_zero: [::c_char; 8],
+    }
+
+    pub struct sockaddr_in6 {
+        pub sin6_family: ::sa_family_t,
+        pub sin6_port: ::in_port_t,
+        pub sin6_flowinfo: u32,
+        pub sin6_addr: ::in6_addr,
+        pub sin6_scope_id: u32,
+    }
+
+    pub struct sockaddr_storage {
+        pub ss_family: ::sa_family_t,
+        __ss_padding: [
+            u8;
+            128 -
+            ::core::mem::size_of::<sa_family_t>() -
+            ::core::mem::size_of::<c_ulong>()
+        ],
+        __ss_align: ::c_ulong,
+    }
+
+    pub struct sockaddr_un {
+        pub sun_family: ::sa_family_t,
+        pub sun_path: [::c_char; 108]
+    }
+
+    pub struct stat {
+        pub st_dev: ::dev_t,
+        pub st_ino: ::ino_t,
+        pub st_nlink: ::nlink_t,
+        pub st_mode: ::mode_t,
+        pub st_uid: ::uid_t,
+        pub st_gid: ::gid_t,
+        pub st_rdev: ::dev_t,
+        pub st_size: ::off_t,
+        pub st_blksize: ::blksize_t,
+        pub st_blocks: ::blkcnt_t,
+        pub st_atime: ::time_t,
+        pub st_atime_nsec: ::c_long,
+        pub st_mtime: ::time_t,
+        pub st_mtime_nsec: ::c_long,
+        pub st_ctime: ::time_t,
+        pub st_ctime_nsec: ::c_long,
+        _pad: [::c_char; 24],
+    }
+
+    pub struct statvfs {
+        pub f_bsize: ::c_ulong,
+        pub f_frsize: ::c_ulong,
+        pub f_blocks: ::fsblkcnt_t,
+        pub f_bfree: ::fsblkcnt_t,
+        pub f_bavail: ::fsblkcnt_t,
+        pub f_files: ::fsfilcnt_t,
+        pub f_ffree: ::fsfilcnt_t,
+        pub f_favail: ::fsfilcnt_t,
+        pub f_fsid: ::c_ulong,
+        pub f_flag: ::c_ulong,
+        pub f_namemax: ::c_ulong,
+    }
+
+    pub struct termios {
+        pub c_iflag: ::tcflag_t,
+        pub c_oflag: ::tcflag_t,
+        pub c_cflag: ::tcflag_t,
+        pub c_lflag: ::tcflag_t,
+        pub c_line: ::cc_t,
+        pub c_cc: [::cc_t; ::NCCS],
+        pub c_ispeed: ::speed_t,
+        pub c_ospeed: ::speed_t,
+    }
+
+    pub struct tm {
+        pub tm_sec: ::c_int,
+        pub tm_min: ::c_int,
+        pub tm_hour: ::c_int,
+        pub tm_mday: ::c_int,
+        pub tm_mon: ::c_int,
+        pub tm_year: ::c_int,
+        pub tm_wday: ::c_int,
+        pub tm_yday: ::c_int,
+        pub tm_isdst: ::c_int,
+        pub tm_gmtoff: ::c_long,
+        pub tm_zone: *const ::c_char,
+    }
+}
+
+// TODO: relibc {
+    pub const RTLD_DEFAULT: *mut ::c_void = 0i64 as *mut ::c_void;
+// }
+
+// dlfcn.h
+
+pub const RTLD_LAZY: ::c_int = 0x0001;
+pub const RTLD_NOW: ::c_int = 0x0002;
+pub const RTLD_GLOBAL: ::c_int = 0x0100;
+pub const RTLD_LOCAL: ::c_int = 0x0000;
+
+// errno.h
+pub const EPERM: ::c_int = 1;
+pub const ENOENT: ::c_int = 2;
+pub const ESRCH: ::c_int = 3;
+pub const EINTR: ::c_int = 4;
+pub const EIO: ::c_int = 5;
+pub const ENXIO: ::c_int = 6;
+pub const E2BIG: ::c_int = 7;
+pub const ENOEXEC: ::c_int = 8;
+pub const EBADF: ::c_int = 9;
+pub const ECHILD: ::c_int = 10;
+pub const EAGAIN: ::c_int = 11;
+pub const ENOMEM: ::c_int = 12;
+pub const EACCES: ::c_int = 13;
+pub const EFAULT: ::c_int = 14;
+pub const ENOTBLK: ::c_int = 15;
+pub const EBUSY: ::c_int = 16;
+pub const EEXIST: ::c_int = 17;
+pub const EXDEV: ::c_int = 18;
+pub const ENODEV: ::c_int = 19;
+pub const ENOTDIR: ::c_int = 20;
+pub const EISDIR: ::c_int = 21;
+pub const EINVAL: ::c_int = 22;
+pub const ENFILE: ::c_int = 23;
+pub const EMFILE: ::c_int = 24;
+pub const ENOTTY: ::c_int = 25;
+pub const ETXTBSY: ::c_int = 26;
+pub const EFBIG: ::c_int = 27;
+pub const ENOSPC: ::c_int = 28;
+pub const ESPIPE: ::c_int = 29;
+pub const EROFS: ::c_int = 30;
+pub const EMLINK: ::c_int = 31;
+pub const EPIPE: ::c_int = 32;
+pub const EDOM: ::c_int = 33;
+pub const ERANGE: ::c_int = 34;
+pub const EDEADLK: ::c_int = 35;
+pub const ENOSYS: ::c_int = 38;
+pub const EWOULDBLOCK: ::c_int = 41;
+pub const EADDRINUSE: ::c_int = 98;
+pub const EADDRNOTAVAIL: ::c_int = 99;
+pub const ECONNABORTED: ::c_int = 103;
+pub const ECONNRESET: ::c_int = 104;
+pub const ENOTCONN: ::c_int = 107;
+pub const ETIMEDOUT: ::c_int = 110;
+pub const ECONNREFUSED: ::c_int = 111;
+pub const EINPROGRESS: ::c_int = 115;
+
+// fcntl.h
+pub const F_DUPFD: ::c_int = 0;
+pub const F_GETFD: ::c_int = 1;
+pub const F_SETFD: ::c_int = 2;
+pub const F_GETFL: ::c_int = 3;
+pub const F_SETFL: ::c_int = 4;
+// TODO: relibc {
+    pub const F_DUPFD_CLOEXEC: ::c_int = ::F_DUPFD;
+// }
+pub const FD_CLOEXEC: ::c_int = 0x0100_0000;
+pub const O_RDONLY: ::c_int = 0x0001_0000;
+pub const O_WRONLY: ::c_int = 0x0002_0000;
+pub const O_RDWR: ::c_int = 0x0003_0000;
+pub const O_ACCMODE: ::c_int = 0x0003_0000;
+pub const O_NONBLOCK: ::c_int = 0x0004_0000;
+pub const O_APPEND: ::c_int = 0x0008_0000;
+pub const O_SHLOCK: ::c_int = 0x0010_0000;
+pub const O_EXLOCK: ::c_int = 0x0020_0000;
+pub const O_ASYNC: ::c_int = 0x0040_0000;
+pub const O_FSYNC: ::c_int = 0x0080_0000;
+pub const O_CLOEXEC: ::c_int = 0x0100_0000;
+pub const O_CREAT: ::c_int = 0x0200_0000;
+pub const O_TRUNC: ::c_int = 0x0400_0000;
+pub const O_EXCL: ::c_int = 0x0800_0000;
+pub const O_DIRECTORY: ::c_int = 0x1000_0000;
+pub const O_PATH: ::c_int = 0x2000_0000;
+pub const O_SYMLINK: ::c_int = 0x4000_0000;
+// Negative to allow it to be used as int
+// TODO: Fix negative values missing from includes
+pub const O_NOFOLLOW: ::c_int = -0x8000_0000;
+
+// netdb.h
+pub const EAI_SYSTEM: ::c_int = -11;
+
+// netinet/in.h
+// TODO: relibc {
+    pub const IP_TTL: ::c_int = 2;
+    pub const IPV6_UNICAST_HOPS: ::c_int = 16;
+    pub const IPV6_MULTICAST_IF: ::c_int = 17;
+    pub const IPV6_MULTICAST_HOPS: ::c_int = 18;
+    pub const IPV6_MULTICAST_LOOP: ::c_int = 19;
+    pub const IPV6_ADD_MEMBERSHIP: ::c_int = 20;
+    pub const IPV6_DROP_MEMBERSHIP: ::c_int = 21;
+    pub const IPV6_V6ONLY: ::c_int = 26;
+    pub const IP_MULTICAST_IF: ::c_int = 32;
+    pub const IP_MULTICAST_TTL: ::c_int = 33;
+    pub const IP_MULTICAST_LOOP: ::c_int = 34;
+    pub const IP_ADD_MEMBERSHIP: ::c_int = 35;
+    pub const IP_DROP_MEMBERSHIP: ::c_int = 36;
+// }
+
+// netinet/tcp.h
+pub const TCP_NODELAY: ::c_int = 1;
+// TODO: relibc {
+    pub const TCP_KEEPIDLE: ::c_int = 1;
+// }
+
+// poll.h
+pub const POLLIN: ::c_short = 0x001;
+pub const POLLPRI: ::c_short = 0x002;
+pub const POLLOUT: ::c_short = 0x004;
+pub const POLLERR: ::c_short = 0x008;
+pub const POLLHUP: ::c_short = 0x010;
+pub const POLLNVAL: ::c_short = 0x020;
+
+// pthread.h
+pub const PTHREAD_MUTEX_NORMAL: ::c_int = 0;
+pub const PTHREAD_MUTEX_RECURSIVE: ::c_int = 1;
+pub const PTHREAD_MUTEX_INITIALIZER: ::pthread_mutex_t = -1isize as *mut _;
+pub const PTHREAD_COND_INITIALIZER: ::pthread_cond_t = -1isize as *mut _;
+pub const PTHREAD_RWLOCK_INITIALIZER: ::pthread_rwlock_t = -1isize as *mut _;
+pub const PTHREAD_STACK_MIN : ::size_t = 4096;
+
+// signal.h
+pub const SIG_BLOCK: ::c_int = 0;
+pub const SIG_UNBLOCK: ::c_int = 1;
+pub const SIG_SETMASK: ::c_int = 2;
+pub const SIGHUP: ::c_int = 1;
+pub const SIGINT: ::c_int = 2;
+pub const SIGQUIT: ::c_int = 3;
+pub const SIGILL: ::c_int = 4;
+pub const SIGTRAP: ::c_int = 5;
+pub const SIGABRT: ::c_int = 6;
+pub const SIGBUS: ::c_int = 7;
+pub const SIGFPE: ::c_int = 8;
+pub const SIGKILL: ::c_int = 9;
+pub const SIGUSR1: ::c_int = 10;
+pub const SIGSEGV: ::c_int = 11;
+pub const SIGUSR2: ::c_int = 12;
+pub const SIGPIPE: ::c_int = 13;
+pub const SIGALRM: ::c_int = 14;
+pub const SIGTERM: ::c_int = 15;
+pub const SIGSTKFLT: ::c_int = 16;
+pub const SIGCHLD: ::c_int = 17;
+pub const SIGCONT: ::c_int = 18;
+pub const SIGSTOP: ::c_int = 19;
+pub const SIGTSTP: ::c_int = 20;
+pub const SIGTTIN: ::c_int = 21;
+pub const SIGTTOU: ::c_int = 22;
+pub const SIGURG: ::c_int = 23;
+pub const SIGXCPU: ::c_int = 24;
+pub const SIGXFSZ: ::c_int = 25;
+pub const SIGVTALRM: ::c_int = 26;
+pub const SIGPROF: ::c_int = 27;
+pub const SIGWINCH: ::c_int = 28;
+pub const SIGIO: ::c_int = 29;
+pub const SIGPWR: ::c_int = 30;
+pub const SIGSYS: ::c_int = 31;
+pub const NSIG: ::c_int = 32;
+
+// sys/epoll.h
+pub const EPOLL_CLOEXEC: ::c_int = 0x0100_0000;
+pub const EPOLL_CTL_ADD: ::c_int = 1;
+pub const EPOLL_CTL_DEL: ::c_int = 2;
+pub const EPOLL_CTL_MOD: ::c_int = 3;
+pub const EPOLLIN: ::c_int = 1;
+pub const EPOLLPRI: ::c_int = 0;
+pub const EPOLLOUT: ::c_int = 2;
+pub const EPOLLRDNORM: ::c_int = 0;
+pub const EPOLLNVAL: ::c_int = 0;
+pub const EPOLLRDBAND: ::c_int = 0;
+pub const EPOLLWRNORM: ::c_int = 0;
+pub const EPOLLWRBAND: ::c_int = 0;
+pub const EPOLLMSG: ::c_int = 0;
+pub const EPOLLERR: ::c_int = 0;
+pub const EPOLLHUP: ::c_int = 0;
+pub const EPOLLRDHUP: ::c_int = 0;
+pub const EPOLLEXCLUSIVE: ::c_int = 0;
+pub const EPOLLWAKEUP: ::c_int = 0;
+pub const EPOLLONESHOT: ::c_int = 0;
+pub const EPOLLET: ::c_int = 0;
+
+// sys/stat.h
+pub const S_IFMT: ::c_int = 0o0_170_000;
+pub const S_IFDIR: ::c_int = 0o040_000;
+pub const S_IFCHR: ::c_int = 0o020_000;
+pub const S_IFBLK: ::c_int = 0o060_000;
+pub const S_IFREG: ::c_int = 0o100_000;
+pub const S_IFIFO: ::c_int = 0o010_000;
+pub const S_IFLNK: ::c_int = 0o120_000;
+pub const S_IFSOCK: ::c_int = 0o140_000;
+pub const S_IRWXU: ::c_int = 0o0_700;
+pub const S_IRUSR: ::c_int = 0o0_400;
+pub const S_IWUSR: ::c_int = 0o0_200;
+pub const S_IXUSR: ::c_int = 0o0_100;
+pub const S_IRWXG: ::c_int = 0o0_070;
+pub const S_IRGRP: ::c_int = 0o0_040;
+pub const S_IWGRP: ::c_int = 0o0_020;
+pub const S_IXGRP: ::c_int = 0o0_010;
+pub const S_IRWXO: ::c_int = 0o0_007;
+pub const S_IROTH: ::c_int = 0o0_004;
+pub const S_IWOTH: ::c_int = 0o0_002;
+pub const S_IXOTH: ::c_int = 0o0_001;
+
+// stdlib.h
+pub const EXIT_SUCCESS: ::c_int = 0;
+pub const EXIT_FAILURE: ::c_int = 1;
+
+// sys/ioctl.h
+// TODO: relibc {
+    pub const FIONBIO: ::c_ulong = 0x5421;
+    pub const FIOCLEX: ::c_ulong = 0x5451;
+// }
+pub const TCGETS: ::c_ulong = 0x5401;
+pub const TCSETS: ::c_ulong = 0x5402;
+pub const TCFLSH: ::c_ulong = 0x540B;
+pub const TIOCGPGRP: ::c_ulong = 0x540F;
+pub const TIOCSPGRP: ::c_ulong = 0x5410;
+pub const TIOCGWINSZ: ::c_ulong = 0x5413;
+pub const TIOCSWINSZ: ::c_ulong = 0x5414;
+
+// sys/select.h
+pub const FD_SETSIZE: usize = 1024;
+
+// sys/socket.h
+pub const AF_UNIX: ::c_int = 1;
+pub const AF_INET: ::c_int = 2;
+pub const AF_INET6: ::c_int = 10;
+pub const MSG_PEEK: ::c_int = 2;
+pub const SHUT_RD: ::c_int = 0;
+pub const SHUT_WR: ::c_int = 1;
+pub const SHUT_RDWR: ::c_int = 2;
+pub const SO_REUSEADDR: ::c_int = 2;
+pub const SO_ERROR: ::c_int = 4;
+pub const SO_BROADCAST: ::c_int = 6;
+pub const SO_SNDBUF: ::c_int = 7;
+pub const SO_RCVBUF: ::c_int = 8;
+pub const SO_KEEPALIVE: ::c_int = 9;
+pub const SO_LINGER: ::c_int = 13;
+pub const SO_REUSEPORT: ::c_int = 15;
+pub const SO_RCVTIMEO: ::c_int = 20;
+pub const SO_SNDTIMEO: ::c_int = 21;
+pub const SOCK_STREAM: ::c_int = 1;
+pub const SOCK_DGRAM: ::c_int = 2;
+pub const SOL_SOCKET: ::c_int = 1;
+
+// sys/wait.h
+pub const WNOHANG: ::c_int = 1;
+
+// termios.h
+pub const NCCS: usize = 32;
+
+// time.h
+pub const CLOCK_REALTIME: ::c_int = 1;
+pub const CLOCK_MONOTONIC: ::c_int = 4;
+
+// unistd.h
+pub const _SC_PAGESIZE: ::c_int = 30;
+pub const SEEK_SET: ::c_int = 0;
+pub const SEEK_CUR: ::c_int = 1;
+pub const SEEK_END: ::c_int = 2;
+pub const STDIN_FILENO: ::c_int = 0;
+pub const STDOUT_FILENO: ::c_int = 1;
+pub const STDERR_FILENO: ::c_int = 2;
+
+// wait.h
+pub fn WIFSTOPPED(status: ::c_int) -> bool {
+    (status & 0xff) == 0x7f
+}
+
+pub fn WSTOPSIG(status: ::c_int) -> ::c_int {
+    (status >> 8) & 0xff
+}
+
+pub fn WIFCONTINUED(status: ::c_int) -> bool {
+    status == 0xffff
+}
+
+pub fn WIFSIGNALED(status: ::c_int) -> bool {
+    ((status & 0x7f) + 1) as i8 >= 2
+}
+
+pub fn WTERMSIG(status: ::c_int) -> ::c_int {
+    status & 0x7f
+}
+
+pub fn WIFEXITED(status: ::c_int) -> bool {
+    (status & 0x7f) == 0
+}
+
+pub fn WEXITSTATUS(status: ::c_int) -> ::c_int {
+    (status >> 8) & 0xff
+}
+
+pub fn WCOREDUMP(status: ::c_int) -> bool {
+    (status & 0x80) != 0
+}
+
+// intentionally not public, only used for fd_set
+cfg_if! {
+    if #[cfg(target_pointer_width = "32")] {
+        const ULONG_SIZE: usize = 32;
+    } else if #[cfg(target_pointer_width = "64")] {
+        const ULONG_SIZE: usize = 64;
+    } else {
+        // Unknown target_pointer_width
+    }
+}
+
+extern {
+    // malloc.h
+    pub fn memalign(align: ::size_t, size: ::size_t) -> *mut ::c_void;
+
+    // pthread.h
+    pub fn pthread_atfork(prepare: ::Option<unsafe extern fn()>,
+                          parent: ::Option<unsafe extern fn()>,
+                          child: ::Option<unsafe extern fn()>) -> ::c_int;
+    pub fn pthread_create(tid: *mut ::pthread_t,
+                          attr: *const ::pthread_attr_t,
+                          start: extern fn(*mut ::c_void) -> *mut ::c_void,
+                          arg: *mut ::c_void) -> ::c_int;
+    pub fn pthread_condattr_setclock(attr: *mut pthread_condattr_t,
+                                     clock_id: ::clockid_t) -> ::c_int;
+
+    // signal.h
+    pub fn pthread_sigmask(how: ::c_int,
+                           set: *const ::sigset_t,
+                           oldset: *mut ::sigset_t) -> ::c_int;
+
+    // sys/epoll.h
+    pub fn epoll_create(size: ::c_int) -> ::c_int;
+    pub fn epoll_create1(flags: ::c_int) -> ::c_int;
+    pub fn epoll_wait(epfd: ::c_int,
+                      events: *mut ::epoll_event,
+                      maxevents: ::c_int,
+                      timeout: ::c_int) -> ::c_int;
+    pub fn epoll_ctl(epfd: ::c_int,
+                     op: ::c_int,
+                     fd: ::c_int,
+                     event: *mut ::epoll_event) -> ::c_int;
+
+    // sys/ioctl.h
+    pub fn ioctl(fd: ::c_int, request: ::c_ulong, ...) -> ::c_int;
+
+    // sys/socket.h
+    pub fn bind(socket: ::c_int, address: *const ::sockaddr,
+                address_len: ::socklen_t) -> ::c_int;
+    pub fn recvfrom(socket: ::c_int, buf: *mut ::c_void, len: ::size_t,
+                    flags: ::c_int, addr: *mut ::sockaddr,
+                    addrlen: *mut ::socklen_t) -> ::ssize_t;
+
+    // sys/uio.h
+    pub fn readv(fd: ::c_int,
+                 iov: *const ::iovec,
+                 iovcnt: ::c_int) -> ::ssize_t;
+    pub fn writev(fd: ::c_int,
+                  iov: *const ::iovec,
+                  iovcnt: ::c_int) -> ::ssize_t;
+
+    // time.h
+    pub fn clock_gettime(clk_id: ::clockid_t, tp: *mut ::timespec) -> ::c_int;
+}