Merge branch 'master' into zen_stdlib

1 files changed, 408 insertions, 301 deletions

diff --git a/std/os/linux/index.zig b/std/os/linux/index.zig
index e100af7733..15607ea6c0 100644
--- a/std/os/linux/index.zig
+++ b/std/os/linux/index.zig
@@ -1,6 +1,7 @@
 const std = @import("../../index.zig");
 const assert = std.debug.assert;
 const builtin = @import("builtin");
+const vdso = @import("vdso.zig");
 pub use switch (builtin.arch) {
     builtin.Arch.x86_64 => @import("x86_64.zig"),
     builtin.Arch.i386 => @import("i386.zig"),
@@ -14,95 +15,110 @@ pub const STDIN_FILENO = 0;
 pub const STDOUT_FILENO = 1;
 pub const STDERR_FILENO = 2;
 
-pub const PROT_NONE      = 0;
-pub const PROT_READ      = 1;
-pub const PROT_WRITE     = 2;
-pub const PROT_EXEC      = 4;
+pub const FUTEX_WAIT = 0;
+pub const FUTEX_WAKE = 1;
+pub const FUTEX_FD = 2;
+pub const FUTEX_REQUEUE = 3;
+pub const FUTEX_CMP_REQUEUE = 4;
+pub const FUTEX_WAKE_OP = 5;
+pub const FUTEX_LOCK_PI = 6;
+pub const FUTEX_UNLOCK_PI = 7;
+pub const FUTEX_TRYLOCK_PI = 8;
+pub const FUTEX_WAIT_BITSET = 9;
+
+pub const FUTEX_PRIVATE_FLAG = 128;
+
+pub const FUTEX_CLOCK_REALTIME = 256;
+
+pub const PROT_NONE = 0;
+pub const PROT_READ = 1;
+pub const PROT_WRITE = 2;
+pub const PROT_EXEC = 4;
 pub const PROT_GROWSDOWN = 0x01000000;
-pub const PROT_GROWSUP   = 0x02000000;
-
-pub const MAP_FAILED     = @maxValue(usize);
-pub const MAP_SHARED     = 0x01;
-pub const MAP_PRIVATE    = 0x02;
-pub const MAP_TYPE       = 0x0f;
-pub const MAP_FIXED      = 0x10;
-pub const MAP_ANONYMOUS  = 0x20;
-pub const MAP_NORESERVE  = 0x4000;
-pub const MAP_GROWSDOWN  = 0x0100;
-pub const MAP_DENYWRITE  = 0x0800;
+pub const PROT_GROWSUP = 0x02000000;
+
+pub const MAP_FAILED = @maxValue(usize);
+pub const MAP_SHARED = 0x01;
+pub const MAP_PRIVATE = 0x02;
+pub const MAP_TYPE = 0x0f;
+pub const MAP_FIXED = 0x10;
+pub const MAP_ANONYMOUS = 0x20;
+pub const MAP_NORESERVE = 0x4000;
+pub const MAP_GROWSDOWN = 0x0100;
+pub const MAP_DENYWRITE = 0x0800;
 pub const MAP_EXECUTABLE = 0x1000;
-pub const MAP_LOCKED     = 0x2000;
-pub const MAP_POPULATE   = 0x8000;
-pub const MAP_NONBLOCK   = 0x10000;
-pub const MAP_STACK      = 0x20000;
-pub const MAP_HUGETLB    = 0x40000;
-pub const MAP_FILE       = 0;
+pub const MAP_LOCKED = 0x2000;
+pub const MAP_POPULATE = 0x8000;
+pub const MAP_NONBLOCK = 0x10000;
+pub const MAP_STACK = 0x20000;
+pub const MAP_HUGETLB = 0x40000;
+pub const MAP_FILE = 0;
 
 pub const F_OK = 0;
 pub const X_OK = 1;
 pub const W_OK = 2;
 pub const R_OK = 4;
 
-pub const WNOHANG    = 1;
-pub const WUNTRACED  = 2;
-pub const WSTOPPED   = 2;
-pub const WEXITED    = 4;
+pub const WNOHANG = 1;
+pub const WUNTRACED = 2;
+pub const WSTOPPED = 2;
+pub const WEXITED = 4;
 pub const WCONTINUED = 8;
-pub const WNOWAIT    = 0x1000000;
-
-pub const SA_NOCLDSTOP  = 1;
-pub const SA_NOCLDWAIT  = 2;
-pub const SA_SIGINFO    = 4;
-pub const SA_ONSTACK    = 0x08000000;
-pub const SA_RESTART    = 0x10000000;
-pub const SA_NODEFER    = 0x40000000;
-pub const SA_RESETHAND  = 0x80000000;
-pub const SA_RESTORER   = 0x04000000;
-
-pub const SIGHUP    = 1;
-pub const SIGINT    = 2;
-pub const SIGQUIT   = 3;
-pub const SIGILL    = 4;
-pub const SIGTRAP   = 5;
-pub const SIGABRT   = 6;
-pub const SIGIOT    = SIGABRT;
-pub const SIGBUS    = 7;
-pub const SIGFPE    = 8;
-pub const SIGKILL   = 9;
-pub const SIGUSR1   = 10;
-pub const SIGSEGV   = 11;
-pub const SIGUSR2   = 12;
-pub const SIGPIPE   = 13;
-pub const SIGALRM   = 14;
-pub const SIGTERM   = 15;
+pub const WNOWAIT = 0x1000000;
+
+pub const SA_NOCLDSTOP = 1;
+pub const SA_NOCLDWAIT = 2;
+pub const SA_SIGINFO = 4;
+pub const SA_ONSTACK = 0x08000000;
+pub const SA_RESTART = 0x10000000;
+pub const SA_NODEFER = 0x40000000;
+pub const SA_RESETHAND = 0x80000000;
+pub const SA_RESTORER = 0x04000000;
+
+pub const SIGHUP = 1;
+pub const SIGINT = 2;
+pub const SIGQUIT = 3;
+pub const SIGILL = 4;
+pub const SIGTRAP = 5;
+pub const SIGABRT = 6;
+pub const SIGIOT = SIGABRT;
+pub const SIGBUS = 7;
+pub const SIGFPE = 8;
+pub const SIGKILL = 9;
+pub const SIGUSR1 = 10;
+pub const SIGSEGV = 11;
+pub const SIGUSR2 = 12;
+pub const SIGPIPE = 13;
+pub const SIGALRM = 14;
+pub const SIGTERM = 15;
 pub const SIGSTKFLT = 16;
-pub const SIGCHLD   = 17;
-pub const SIGCONT   = 18;
-pub const SIGSTOP   = 19;
-pub const SIGTSTP   = 20;
-pub const SIGTTIN   = 21;
-pub const SIGTTOU   = 22;
-pub const SIGURG    = 23;
-pub const SIGXCPU   = 24;
-pub const SIGXFSZ   = 25;
+pub const SIGCHLD = 17;
+pub const SIGCONT = 18;
+pub const SIGSTOP = 19;
+pub const SIGTSTP = 20;
+pub const SIGTTIN = 21;
+pub const SIGTTOU = 22;
+pub const SIGURG = 23;
+pub const SIGXCPU = 24;
+pub const SIGXFSZ = 25;
 pub const SIGVTALRM = 26;
-pub const SIGPROF   = 27;
-pub const SIGWINCH  = 28;
-pub const SIGIO     = 29;
-pub const SIGPOLL   = 29;
-pub const SIGPWR    = 30;
-pub const SIGSYS    = 31;
+pub const SIGPROF = 27;
+pub const SIGWINCH = 28;
+pub const SIGIO = 29;
+pub const SIGPOLL = 29;
+pub const SIGPWR = 30;
+pub const SIGSYS = 31;
 pub const SIGUNUSED = SIGSYS;
 
 pub const O_RDONLY = 0o0;
 pub const O_WRONLY = 0o1;
-pub const O_RDWR   = 0o2;
+pub const O_RDWR = 0o2;
 
 pub const SEEK_SET = 0;
 pub const SEEK_CUR = 1;
 pub const SEEK_END = 2;
 
-pub const SIG_BLOCK   = 0;
+pub const SIG_BLOCK = 0;
 pub const SIG_UNBLOCK = 1;
 pub const SIG_SETMASK = 2;
 
@@ -391,7 +407,6 @@ pub const DT_LNK = 10;
 pub const DT_SOCK = 12;
 pub const DT_WHT = 14;
 
-
 pub const TCGETS = 0x5401;
 pub const TCSETS = 0x5402;
 pub const TCSETSW = 0x5403;
@@ -508,6 +523,10 @@ pub const CLONE_NEWPID = 0x20000000;
 pub const CLONE_NEWNET = 0x40000000;
 pub const CLONE_IO = 0x80000000;
 
+pub const EFD_SEMAPHORE = 1;
+pub const EFD_CLOEXEC = O_CLOEXEC;
+pub const EFD_NONBLOCK = O_NONBLOCK;
+
 pub const MS_RDONLY = 1;
 pub const MS_NOSUID = 2;
 pub const MS_NODEV = 4;
@@ -522,23 +541,23 @@ pub const MS_BIND = 4096;
 pub const MS_MOVE = 8192;
 pub const MS_REC = 16384;
 pub const MS_SILENT = 32768;
-pub const MS_POSIXACL = (1<<16);
-pub const MS_UNBINDABLE = (1<<17);
-pub const MS_PRIVATE = (1<<18);
-pub const MS_SLAVE = (1<<19);
-pub const MS_SHARED = (1<<20);
-pub const MS_RELATIME = (1<<21);
-pub const MS_KERNMOUNT = (1<<22);
-pub const MS_I_VERSION = (1<<23);
-pub const MS_STRICTATIME = (1<<24);
-pub const MS_LAZYTIME = (1<<25);
-pub const MS_NOREMOTELOCK = (1<<27);
-pub const MS_NOSEC = (1<<28);
-pub const MS_BORN = (1<<29);
-pub const MS_ACTIVE = (1<<30);
-pub const MS_NOUSER = (1<<31);
-
-pub const MS_RMT_MASK = (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION|MS_LAZYTIME);
+pub const MS_POSIXACL = (1 << 16);
+pub const MS_UNBINDABLE = (1 << 17);
+pub const MS_PRIVATE = (1 << 18);
+pub const MS_SLAVE = (1 << 19);
+pub const MS_SHARED = (1 << 20);
+pub const MS_RELATIME = (1 << 21);
+pub const MS_KERNMOUNT = (1 << 22);
+pub const MS_I_VERSION = (1 << 23);
+pub const MS_STRICTATIME = (1 << 24);
+pub const MS_LAZYTIME = (1 << 25);
+pub const MS_NOREMOTELOCK = (1 << 27);
+pub const MS_NOSEC = (1 << 28);
+pub const MS_BORN = (1 << 29);
+pub const MS_ACTIVE = (1 << 30);
+pub const MS_NOUSER = (1 << 31);
+
+pub const MS_RMT_MASK = (MS_RDONLY | MS_SYNCHRONOUS | MS_MANDLOCK | MS_I_VERSION | MS_LAZYTIME);
 
 pub const MS_MGC_VAL = 0xc0ed0000;
 pub const MS_MGC_MSK = 0xffff0000;
@@ -548,7 +567,6 @@ pub const MNT_DETACH = 2;
 pub const MNT_EXPIRE = 4;
 pub const UMOUNT_NOFOLLOW = 8;
 
-
 pub const S_IFMT = 0o170000;
 
 pub const S_IFDIR = 0o040000;
@@ -609,15 +627,30 @@ pub const TFD_CLOEXEC = O_CLOEXEC;
 pub const TFD_TIMER_ABSTIME = 1;
 pub const TFD_TIMER_CANCEL_ON_SET = (1 << 1);
 
-fn unsigned(s: i32) u32 { return @bitCast(u32, s); }
-fn signed(s: u32) i32 { return @bitCast(i32, s); }
-pub fn WEXITSTATUS(s: i32) i32 { return signed((unsigned(s) & 0xff00) >> 8); }
-pub fn WTERMSIG(s: i32) i32 { return signed(unsigned(s) & 0x7f); }
-pub fn WSTOPSIG(s: i32) i32 { return WEXITSTATUS(s); }
-pub fn WIFEXITED(s: i32) bool { return WTERMSIG(s) == 0; }
-pub fn WIFSTOPPED(s: i32) bool { return (u16)(((unsigned(s)&0xffff)*%0x10001)>>8) > 0x7f00; }
-pub fn WIFSIGNALED(s: i32) bool { return (unsigned(s)&0xffff)-%1 < 0xff; }
-
+fn unsigned(s: i32) u32 {
+    return @bitCast(u32, s);
+}
+fn signed(s: u32) i32 {
+    return @bitCast(i32, s);
+}
+pub fn WEXITSTATUS(s: i32) i32 {
+    return signed((unsigned(s) & 0xff00) >> 8);
+}
+pub fn WTERMSIG(s: i32) i32 {
+    return signed(unsigned(s) & 0x7f);
+}
+pub fn WSTOPSIG(s: i32) i32 {
+    return WEXITSTATUS(s);
+}
+pub fn WIFEXITED(s: i32) bool {
+    return WTERMSIG(s) == 0;
+}
+pub fn WIFSTOPPED(s: i32) bool {
+    return @intCast(u16, ((unsigned(s) & 0xffff) *% 0x10001) >> 8) > 0x7f00;
+}
+pub fn WIFSIGNALED(s: i32) bool {
+    return (unsigned(s) & 0xffff) -% 1 < 0xff;
+}
 
 pub const winsize = extern struct {
     ws_row: u16,
@@ -629,22 +662,25 @@ pub const winsize = extern struct {
 /// Get the errno from a syscall return value, or 0 for no error.
 pub fn getErrno(r: usize) usize {
     const signed_r = @bitCast(isize, r);
-    return if (signed_r > -4096 and signed_r < 0) usize(-signed_r) else 0;
+    return if (signed_r > -4096 and signed_r < 0) @intCast(usize, -signed_r) else 0;
 }
 
 pub fn dup2(old: i32, new: i32) usize {
-    return syscall2(SYS_dup2, usize(old), usize(new));
+    return syscall2(SYS_dup2, @intCast(usize, old), @intCast(usize, new));
 }
 
-pub fn chdir(path: &const u8) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn chdir(path: [*]const u8) usize {
     return syscall1(SYS_chdir, @ptrToInt(path));
 }
 
-pub fn chroot(path: &const u8) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn chroot(path: [*]const u8) usize {
     return syscall1(SYS_chroot, @ptrToInt(path));
 }
 
-pub fn execve(path: &const u8, argv: &const ?&const u8, envp: &const ?&const u8) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn execve(path: [*]const u8, argv: [*]const ?[*]const u8, envp: [*]const ?[*]const u8) usize {
     return syscall3(SYS_execve, @ptrToInt(path), @ptrToInt(argv), @ptrToInt(envp));
 }
 
@@ -652,106 +688,131 @@ pub fn fork() usize {
     return syscall0(SYS_fork);
 }
 
-pub fn getcwd(buf: &u8, size: usize) usize {
+pub fn futex_wait(uaddr: usize, futex_op: u32, val: i32, timeout: ?*timespec) usize {
+    return syscall4(SYS_futex, uaddr, futex_op, @bitCast(u32, val), @ptrToInt(timeout));
+}
+
+pub fn getcwd(buf: [*]u8, size: usize) usize {
     return syscall2(SYS_getcwd, @ptrToInt(buf), size);
 }
 
-pub fn getdents(fd: i32, dirp: &u8, count: usize) usize {
-    return syscall3(SYS_getdents, usize(fd), @ptrToInt(dirp), count);
+pub fn getdents(fd: i32, dirp: [*]u8, count: usize) usize {
+    return syscall3(SYS_getdents, @intCast(usize, fd), @ptrToInt(dirp), count);
 }
 
 pub fn isatty(fd: i32) bool {
     var wsz: winsize = undefined;
-    return syscall3(SYS_ioctl, usize(fd), TIOCGWINSZ, @ptrToInt(&wsz)) == 0;
+    return syscall3(SYS_ioctl, @intCast(usize, fd), TIOCGWINSZ, @ptrToInt(&wsz)) == 0;
 }
 
-pub fn readlink(noalias path: &const u8, noalias buf_ptr: &u8, buf_len: usize) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn readlink(noalias path: [*]const u8, noalias buf_ptr: [*]u8, buf_len: usize) usize {
     return syscall3(SYS_readlink, @ptrToInt(path), @ptrToInt(buf_ptr), buf_len);
 }
 
-pub fn mkdir(path: &const u8, mode: u32) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn mkdir(path: [*]const u8, mode: u32) usize {
     return syscall2(SYS_mkdir, @ptrToInt(path), mode);
 }
 
-pub fn mount(special: &const u8, dir: &const u8, fstype: &const u8, flags: usize, data: usize) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn mount(special: [*]const u8, dir: [*]const u8, fstype: [*]const u8, flags: usize, data: usize) usize {
     return syscall5(SYS_mount, @ptrToInt(special), @ptrToInt(dir), @ptrToInt(fstype), flags, data);
 }
 
-pub fn umount(special: &const u8) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn umount(special: [*]const u8) usize {
     return syscall2(SYS_umount2, @ptrToInt(special), 0);
 }
 
-pub fn umount2(special: &const u8, flags: u32) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn umount2(special: [*]const u8, flags: u32) usize {
     return syscall2(SYS_umount2, @ptrToInt(special), flags);
 }
 
-pub fn mmap(address: ?&u8, length: usize, prot: usize, flags: usize, fd: i32, offset: isize) usize {
-    return syscall6(SYS_mmap, @ptrToInt(address), length, prot, flags, usize(fd),
-        @bitCast(usize, offset));
+pub fn mmap(address: ?[*]u8, length: usize, prot: usize, flags: u32, fd: i32, offset: isize) usize {
+    return syscall6(SYS_mmap, @ptrToInt(address), length, prot, flags, @intCast(usize, fd), @bitCast(usize, offset));
 }
 
-pub fn munmap(address: &u8, length: usize) usize {
-    return syscall2(SYS_munmap, @ptrToInt(address), length);
+pub fn munmap(address: usize, length: usize) usize {
+    return syscall2(SYS_munmap, address, length);
 }
 
-pub fn read(fd: i32, buf: &u8, count: usize) usize {
-    return syscall3(SYS_read, usize(fd), @ptrToInt(buf), count);
+pub fn read(fd: i32, buf: [*]u8, count: usize) usize {
+    return syscall3(SYS_read, @intCast(usize, fd), @ptrToInt(buf), count);
 }
 
-pub fn rmdir(path: &const u8) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn rmdir(path: [*]const u8) usize {
     return syscall1(SYS_rmdir, @ptrToInt(path));
 }
 
-pub fn symlink(existing: &const u8, new: &const u8) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn symlink(existing: [*]const u8, new: [*]const u8) usize {
     return syscall2(SYS_symlink, @ptrToInt(existing), @ptrToInt(new));
 }
 
-pub fn pread(fd: i32, buf: &u8, count: usize, offset: usize) usize {
-    return syscall4(SYS_pread, usize(fd), @ptrToInt(buf), count, offset);
+pub fn pread(fd: i32, buf: [*]u8, count: usize, offset: usize) usize {
+    return syscall4(SYS_pread, @intCast(usize, fd), @ptrToInt(buf), count, offset);
 }
 
-pub fn access(path: &const u8, mode: u32) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn access(path: [*]const u8, mode: u32) usize {
     return syscall2(SYS_access, @ptrToInt(path), mode);
 }
 
-pub fn pipe(fd: &[2]i32) usize {
+pub fn pipe(fd: *[2]i32) usize {
     return pipe2(fd, 0);
 }
 
-pub fn pipe2(fd: &[2]i32, flags: usize) usize {
+pub fn pipe2(fd: *[2]i32, flags: usize) usize {
     return syscall2(SYS_pipe2, @ptrToInt(fd), flags);
 }
 
-pub fn write(fd: i32, buf: &const u8, count: usize) usize {
-    return syscall3(SYS_write, usize(fd), @ptrToInt(buf), count);
+pub fn write(fd: i32, buf: [*]const u8, count: usize) usize {
+    return syscall3(SYS_write, @intCast(usize, fd), @ptrToInt(buf), count);
 }
 
-pub fn pwrite(fd: i32, buf: &const u8, count: usize, offset: usize) usize {
-    return syscall4(SYS_pwrite, usize(fd), @ptrToInt(buf), count, offset);
+pub fn pwrite(fd: i32, buf: [*]const u8, count: usize, offset: usize) usize {
+    return syscall4(SYS_pwrite, @intCast(usize, fd), @ptrToInt(buf), count, offset);
 }
 
-pub fn rename(old: &const u8, new: &const u8) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn rename(old: [*]const u8, new: [*]const u8) usize {
     return syscall2(SYS_rename, @ptrToInt(old), @ptrToInt(new));
 }
 
-pub fn open(path: &const u8, flags: u32, perm: usize) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn open(path: [*]const u8, flags: u32, perm: usize) usize {
     return syscall3(SYS_open, @ptrToInt(path), flags, perm);
 }
 
-pub fn create(path: &const u8, perm: usize) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn create(path: [*]const u8, perm: usize) usize {
     return syscall2(SYS_creat, @ptrToInt(path), perm);
 }
 
-pub fn openat(dirfd: i32, path: &const u8, flags: usize, mode: usize) usize {
-    return syscall4(SYS_openat, usize(dirfd), @ptrToInt(path), flags, mode);
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn openat(dirfd: i32, path: [*]const u8, flags: usize, mode: usize) usize {
+    return syscall4(SYS_openat, @intCast(usize, dirfd), @ptrToInt(path), flags, mode);
+}
+
+/// See also `clone` (from the arch-specific include)
+pub fn clone5(flags: usize, child_stack_ptr: usize, parent_tid: *i32, child_tid: *i32, newtls: usize) usize {
+    return syscall5(SYS_clone, flags, child_stack_ptr, @ptrToInt(parent_tid), @ptrToInt(child_tid), newtls);
+}
+
+/// See also `clone` (from the arch-specific include)
+pub fn clone2(flags: usize, child_stack_ptr: usize) usize {
+    return syscall2(SYS_clone, flags, child_stack_ptr);
 }
 
 pub fn close(fd: i32) usize {
-    return syscall1(SYS_close, usize(fd));
+    return syscall1(SYS_close, @intCast(usize, fd));
 }
 
 pub fn lseek(fd: i32, offset: isize, ref_pos: usize) usize {
-    return syscall3(SYS_lseek, usize(fd), @bitCast(usize, offset), ref_pos);
+    return syscall3(SYS_lseek, @intCast(usize, fd), @bitCast(usize, offset), ref_pos);
 }
 
 pub fn exit(status: i32) noreturn {
@@ -759,23 +820,62 @@ pub fn exit(status: i32) noreturn {
     unreachable;
 }
 
-pub fn getrandom(buf: &u8, count: usize, flags: u32) usize {
-    return syscall3(SYS_getrandom, @ptrToInt(buf), count, usize(flags));
+pub fn getrandom(buf: [*]u8, count: usize, flags: u32) usize {
+    return syscall3(SYS_getrandom, @ptrToInt(buf), count, @intCast(usize, flags));
 }
 
 pub fn kill(pid: i32, sig: i32) usize {
-    return syscall2(SYS_kill, @bitCast(usize, isize(pid)), usize(sig));
+    return syscall2(SYS_kill, @bitCast(usize, isize(pid)), @intCast(usize, sig));
 }
 
-pub fn unlink(path: &const u8) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn unlink(path: [*]const u8) usize {
     return syscall1(SYS_unlink, @ptrToInt(path));
 }
 
-pub fn waitpid(pid: i32, status: &i32, options: i32) usize {
+pub fn waitpid(pid: i32, status: *i32, options: i32) usize {
     return syscall4(SYS_wait4, @bitCast(usize, isize(pid)), @ptrToInt(status), @bitCast(usize, isize(options)), 0);
 }
 
-pub fn nanosleep(req: &const timespec, rem: ?&timespec) usize {
+pub fn clock_gettime(clk_id: i32, tp: *timespec) usize {
+    if (VDSO_CGT_SYM.len != 0) {
+        const f = @atomicLoad(@typeOf(init_vdso_clock_gettime), &vdso_clock_gettime, builtin.AtomicOrder.Unordered);
+        if (@ptrToInt(f) != 0) {
+            const rc = f(clk_id, tp);
+            switch (rc) {
+                0, @bitCast(usize, isize(-EINVAL)) => return rc,
+                else => {},
+            }
+        }
+    }
+    return syscall2(SYS_clock_gettime, @bitCast(usize, isize(clk_id)), @ptrToInt(tp));
+}
+var vdso_clock_gettime = init_vdso_clock_gettime;
+extern fn init_vdso_clock_gettime(clk: i32, ts: *timespec) usize {
+    const addr = vdso.lookup(VDSO_CGT_VER, VDSO_CGT_SYM);
+    var f = @intToPtr(@typeOf(init_vdso_clock_gettime), addr);
+    _ = @cmpxchgStrong(@typeOf(init_vdso_clock_gettime), &vdso_clock_gettime, init_vdso_clock_gettime, f, builtin.AtomicOrder.Monotonic, builtin.AtomicOrder.Monotonic);
+    if (@ptrToInt(f) == 0) return @bitCast(usize, isize(-ENOSYS));
+    return f(clk, ts);
+}
+
+pub fn clock_getres(clk_id: i32, tp: *timespec) usize {
+    return syscall2(SYS_clock_getres, @bitCast(usize, isize(clk_id)), @ptrToInt(tp));
+}
+
+pub fn clock_settime(clk_id: i32, tp: *const timespec) usize {
+    return syscall2(SYS_clock_settime, @bitCast(usize, isize(clk_id)), @ptrToInt(tp));
+}
+
+pub fn gettimeofday(tv: *timeval, tz: *timezone) usize {
+    return syscall2(SYS_gettimeofday, @ptrToInt(tv), @ptrToInt(tz));
+}
+
+pub fn settimeofday(tv: *const timeval, tz: *const timezone) usize {
+    return syscall2(SYS_settimeofday, @ptrToInt(tv), @ptrToInt(tz));
+}
+
+pub fn nanosleep(req: *const timespec, rem: ?*timespec) usize {
     return syscall2(SYS_nanosleep, @ptrToInt(req), @ptrToInt(rem));
 }
 
@@ -819,11 +919,11 @@ pub fn setegid(egid: u32) usize {
     return syscall1(SYS_setegid, egid);
 }
 
-pub fn getresuid(ruid: &u32, euid: &u32, suid: &u32) usize {
+pub fn getresuid(ruid: *u32, euid: *u32, suid: *u32) usize {
     return syscall3(SYS_getresuid, @ptrToInt(ruid), @ptrToInt(euid), @ptrToInt(suid));
 }
 
-pub fn getresgid(rgid: &u32, egid: &u32, sgid: &u32) usize {
+pub fn getresgid(rgid: *u32, egid: *u32, sgid: *u32) usize {
     return syscall3(SYS_getresgid, @ptrToInt(rgid), @ptrToInt(egid), @ptrToInt(sgid));
 }
 
@@ -835,34 +935,34 @@ pub fn setresgid(rgid: u32, egid: u32, sgid: u32) usize {
     return syscall3(SYS_setresgid, rgid, egid, sgid);
 }
 
-pub fn getgroups(size: usize, list: &u32) usize {
+pub fn getgroups(size: usize, list: *u32) usize {
     return syscall2(SYS_getgroups, size, @ptrToInt(list));
 }
 
-pub fn setgroups(size: usize, list: &const u32) usize {
+pub fn setgroups(size: usize, list: *const u32) usize {
     return syscall2(SYS_setgroups, size, @ptrToInt(list));
 }
 
 pub fn getpid() i32 {
-    return @bitCast(i32, u32(syscall0(SYS_getpid)));
+    return @bitCast(i32, @truncate(u32, syscall0(SYS_getpid)));
 }
 
-pub fn sigprocmask(flags: u32, noalias set: &const sigset_t, noalias oldset: ?&sigset_t) usize {
-    return syscall4(SYS_rt_sigprocmask, flags, @ptrToInt(set), @ptrToInt(oldset), NSIG/8);
+pub fn sigprocmask(flags: u32, noalias set: *const sigset_t, noalias oldset: ?*sigset_t) usize {
+    return syscall4(SYS_rt_sigprocmask, flags, @ptrToInt(set), @ptrToInt(oldset), NSIG / 8);
 }
 
-pub fn sigaction(sig: u6, noalias act: &const Sigaction, noalias oact: ?&Sigaction) usize {
+pub fn sigaction(sig: u6, noalias act: *const Sigaction, noalias oact: ?*Sigaction) usize {
     assert(sig >= 1);
     assert(sig != SIGKILL);
     assert(sig != SIGSTOP);
-    var ksa = k_sigaction {
+    var ksa = k_sigaction{
         .handler = act.handler,
         .flags = act.flags | SA_RESTORER,
         .mask = undefined,
-        .restorer = @ptrCast(extern fn()void, restore_rt),
+        .restorer = @ptrCast(extern fn () void, restore_rt),
     };
     var ksa_old: k_sigaction = undefined;
-    @memcpy(@ptrCast(&u8, &ksa.mask), @ptrCast(&const u8, &act.mask), 8);
+    @memcpy(@ptrCast([*]u8, &ksa.mask), @ptrCast([*]const u8, &act.mask), 8);
     const result = syscall4(SYS_rt_sigaction, sig, @ptrToInt(&ksa), @ptrToInt(&ksa_old), @sizeOf(@typeOf(ksa.mask)));
     const err = getErrno(result);
     if (err != 0) {
@@ -871,7 +971,7 @@ pub fn sigaction(sig: u6, noalias act: &const Sigaction, noalias oact: ?&Sigacti
     if (oact) |old| {
         old.handler = ksa_old.handler;
         old.flags = @truncate(u32, ksa_old.flags);
-        @memcpy(@ptrCast(&u8, &old.mask), @ptrCast(&const u8, &ksa_old.mask), @sizeOf(@typeOf(ksa_old.mask)));
+        @memcpy(@ptrCast([*]u8, &old.mask), @ptrCast([*]const u8, &ksa_old.mask), @sizeOf(@typeOf(ksa_old.mask)));
     }
     return 0;
 }
@@ -882,53 +982,53 @@ const all_mask = []usize{@maxValue(usize)};
 const app_mask = []usize{0xfffffffc7fffffff};
 
 const k_sigaction = extern struct {
-    handler: extern fn(i32)void,
+    handler: extern fn (i32) void,
     flags: usize,
-    restorer: extern fn()void,
+    restorer: extern fn () void,
     mask: [2]u32,
 };
 
 /// Renamed from `sigaction` to `Sigaction` to avoid conflict with the syscall.
 pub const Sigaction = struct {
-    handler: extern fn(i32)void,
+    handler: extern fn (i32) void,
     mask: sigset_t,
     flags: u32,
 };
 
-pub const SIG_ERR = @intToPtr(extern fn(i32)void, @maxValue(usize));
-pub const SIG_DFL = @intToPtr(extern fn(i32)void, 0);
-pub const SIG_IGN = @intToPtr(extern fn(i32)void, 1);
+pub const SIG_ERR = @intToPtr(extern fn (i32) void, @maxValue(usize));
+pub const SIG_DFL = @intToPtr(extern fn (i32) void, 0);
+pub const SIG_IGN = @intToPtr(extern fn (i32) void, 1);
 pub const empty_sigset = []usize{0} ** sigset_t.len;
 
 pub fn raise(sig: i32) usize {
     var set: sigset_t = undefined;
     blockAppSignals(&set);
-    const tid = i32(syscall0(SYS_gettid));
-    const ret = syscall2(SYS_tkill, usize(tid), usize(sig));
+    const tid = @intCast(i32, syscall0(SYS_gettid));
+    const ret = syscall2(SYS_tkill, @intCast(usize, tid), @intCast(usize, sig));
     restoreSignals(&set);
     return ret;
 }
 
-fn blockAllSignals(set: &sigset_t) void {
-    _ = syscall4(SYS_rt_sigprocmask, SIG_BLOCK, @ptrToInt(&all_mask), @ptrToInt(set), NSIG/8);
+fn blockAllSignals(set: *sigset_t) void {
+    _ = syscall4(SYS_rt_sigprocmask, SIG_BLOCK, @ptrToInt(&all_mask), @ptrToInt(set), NSIG / 8);
 }
 
-fn blockAppSignals(set: &sigset_t) void {
-    _ = syscall4(SYS_rt_sigprocmask, SIG_BLOCK, @ptrToInt(&app_mask), @ptrToInt(set), NSIG/8);
+fn blockAppSignals(set: *sigset_t) void {
+    _ = syscall4(SYS_rt_sigprocmask, SIG_BLOCK, @ptrToInt(&app_mask), @ptrToInt(set), NSIG / 8);
 }
 
-fn restoreSignals(set: &sigset_t) void {
-    _ = syscall4(SYS_rt_sigprocmask, SIG_SETMASK, @ptrToInt(set), 0, NSIG/8);
+fn restoreSignals(set: *sigset_t) void {
+    _ = syscall4(SYS_rt_sigprocmask, SIG_SETMASK, @ptrToInt(set), 0, NSIG / 8);
 }
 
-pub fn sigaddset(set: &sigset_t, sig: u6) void {
+pub fn sigaddset(set: *sigset_t, sig: u6) void {
     const s = sig - 1;
-    (*set)[usize(s) / usize.bit_count] |= usize(1) << (s & (usize.bit_count - 1));
+    (set.*)[@intCast(usize, s) / usize.bit_count] |= @intCast(usize, 1) << (s & (usize.bit_count - 1));
 }
 
-pub fn sigismember(set: &const sigset_t, sig: u6) bool {
+pub fn sigismember(set: *const sigset_t, sig: u6) bool {
     const s = sig - 1;
-    return ((*set)[usize(s) / usize.bit_count] & (usize(1) << (s & (usize.bit_count - 1)))) != 0;
+    return ((set.*)[@intCast(usize, s) / usize.bit_count] & (@intCast(usize, 1) << (s & (usize.bit_count - 1)))) != 0;
 }
 
 pub const in_port_t = u16;
@@ -956,145 +1056,151 @@ pub const sockaddr_in6 = extern struct {
 };
 
 pub const iovec = extern struct {
-    iov_base: &u8,
+    iov_base: [*]u8,
     iov_len: usize,
 };
 
-pub fn getsockname(fd: i32, noalias addr: &sockaddr, noalias len: &socklen_t) usize {
-    return syscall3(SYS_getsockname, usize(fd), @ptrToInt(addr), @ptrToInt(len));
+pub fn getsockname(fd: i32, noalias addr: *sockaddr, noalias len: *socklen_t) usize {
+    return syscall3(SYS_getsockname, @intCast(usize, fd), @ptrToInt(addr), @ptrToInt(len));
 }
 
-pub fn getpeername(fd: i32, noalias addr: &sockaddr, noalias len: &socklen_t) usize {
-    return syscall3(SYS_getpeername, usize(fd), @ptrToInt(addr), @ptrToInt(len));
+pub fn getpeername(fd: i32, noalias addr: *sockaddr, noalias len: *socklen_t) usize {
+    return syscall3(SYS_getpeername, @intCast(usize, fd), @ptrToInt(addr), @ptrToInt(len));
 }
 
 pub fn socket(domain: u32, socket_type: u32, protocol: u32) usize {
     return syscall3(SYS_socket, domain, socket_type, protocol);
 }
 
-pub fn setsockopt(fd: i32, level: u32, optname: u32, optval: &const u8, optlen: socklen_t) usize {
-    return syscall5(SYS_setsockopt, usize(fd), level, optname, usize(optval), @ptrToInt(optlen));
+pub fn setsockopt(fd: i32, level: u32, optname: u32, optval: [*]const u8, optlen: socklen_t) usize {
+    return syscall5(SYS_setsockopt, @intCast(usize, fd), level, optname, @intCast(usize, optval), @ptrToInt(optlen));
 }
 
-pub fn getsockopt(fd: i32, level: u32, optname: u32, noalias optval: &u8, noalias optlen: &socklen_t) usize {
-    return syscall5(SYS_getsockopt, usize(fd), level, optname, @ptrToInt(optval), @ptrToInt(optlen));
+pub fn getsockopt(fd: i32, level: u32, optname: u32, noalias optval: [*]u8, noalias optlen: *socklen_t) usize {
+    return syscall5(SYS_getsockopt, @intCast(usize, fd), level, optname, @ptrToInt(optval), @ptrToInt(optlen));
 }
 
-pub fn sendmsg(fd: i32, msg: &const msghdr, flags: u32) usize {
-    return syscall3(SYS_sendmsg, usize(fd), @ptrToInt(msg), flags);
+pub fn sendmsg(fd: i32, msg: *const msghdr, flags: u32) usize {
+    return syscall3(SYS_sendmsg, @intCast(usize, fd), @ptrToInt(msg), flags);
 }
 
-pub fn connect(fd: i32, addr: &const sockaddr, len: socklen_t) usize {
-    return syscall3(SYS_connect, usize(fd), @ptrToInt(addr), usize(len));
+pub fn connect(fd: i32, addr: *const sockaddr, len: socklen_t) usize {
+    return syscall3(SYS_connect, @intCast(usize, fd), @ptrToInt(addr), @intCast(usize, len));
 }
 
-pub fn recvmsg(fd: i32, msg: &msghdr, flags: u32) usize {
-    return syscall3(SYS_recvmsg, usize(fd), @ptrToInt(msg), flags);
+pub fn recvmsg(fd: i32, msg: *msghdr, flags: u32) usize {
+    return syscall3(SYS_recvmsg, @intCast(usize, fd), @ptrToInt(msg), flags);
 }
 
-pub fn recvfrom(fd: i32, noalias buf: &u8, len: usize, flags: u32,
-    noalias addr: ?&sockaddr, noalias alen: ?&socklen_t) usize
-{
-    return syscall6(SYS_recvfrom, usize(fd), @ptrToInt(buf), len, flags, @ptrToInt(addr), @ptrToInt(alen));
+pub fn recvfrom(fd: i32, noalias buf: [*]u8, len: usize, flags: u32, noalias addr: ?*sockaddr, noalias alen: ?*socklen_t) usize {
+    return syscall6(SYS_recvfrom, @intCast(usize, fd), @ptrToInt(buf), len, flags, @ptrToInt(addr), @ptrToInt(alen));
 }
 
 pub fn shutdown(fd: i32, how: i32) usize {
-    return syscall2(SYS_shutdown, usize(fd), usize(how));
+    return syscall2(SYS_shutdown, @intCast(usize, fd), @intCast(usize, how));
 }
 
-pub fn bind(fd: i32, addr: &const sockaddr, len: socklen_t) usize {
-    return syscall3(SYS_bind, usize(fd), @ptrToInt(addr), usize(len));
+pub fn bind(fd: i32, addr: *const sockaddr, len: socklen_t) usize {
+    return syscall3(SYS_bind, @intCast(usize, fd), @ptrToInt(addr), @intCast(usize, len));
 }
 
 pub fn listen(fd: i32, backlog: u32) usize {
-    return syscall2(SYS_listen, usize(fd), backlog);
+    return syscall2(SYS_listen, @intCast(usize, fd), backlog);
 }
 
-pub fn sendto(fd: i32, buf: &const u8, len: usize, flags: u32, addr: ?&const sockaddr, alen: socklen_t) usize {
-    return syscall6(SYS_sendto, usize(fd), @ptrToInt(buf), len, flags, @ptrToInt(addr), usize(alen));
+pub fn sendto(fd: i32, buf: [*]const u8, len: usize, flags: u32, addr: ?*const sockaddr, alen: socklen_t) usize {
+    return syscall6(SYS_sendto, @intCast(usize, fd), @ptrToInt(buf), len, flags, @ptrToInt(addr), @intCast(usize, alen));
 }
 
 pub fn socketpair(domain: i32, socket_type: i32, protocol: i32, fd: [2]i32) usize {
-    return syscall4(SYS_socketpair, usize(domain), usize(socket_type), usize(protocol), @ptrToInt(&fd[0]));
+    return syscall4(SYS_socketpair, @intCast(usize, domain), @intCast(usize, socket_type), @intCast(usize, protocol), @ptrToInt(*fd[0]));
 }
 
-pub fn accept(fd: i32, noalias addr: &sockaddr, noalias len: &socklen_t) usize {
+pub fn accept(fd: i32, noalias addr: *sockaddr, noalias len: *socklen_t) usize {
     return accept4(fd, addr, len, 0);
 }
 
-pub fn accept4(fd: i32, noalias addr: &sockaddr, noalias len: &socklen_t, flags: u32) usize {
-    return syscall4(SYS_accept4, usize(fd), @ptrToInt(addr), @ptrToInt(len), flags);
+pub fn accept4(fd: i32, noalias addr: *sockaddr, noalias len: *socklen_t, flags: u32) usize {
+    return syscall4(SYS_accept4, @intCast(usize, fd), @ptrToInt(addr), @ptrToInt(len), flags);
 }
 
-pub fn fstat(fd: i32, stat_buf: &Stat) usize {
-    return syscall2(SYS_fstat, usize(fd), @ptrToInt(stat_buf));
+pub fn fstat(fd: i32, stat_buf: *Stat) usize {
+    return syscall2(SYS_fstat, @intCast(usize, fd), @ptrToInt(stat_buf));
 }
 
-pub fn stat(pathname: &const u8, statbuf: &Stat) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn stat(pathname: [*]const u8, statbuf: *Stat) usize {
     return syscall2(SYS_stat, @ptrToInt(pathname), @ptrToInt(statbuf));
 }
 
-pub fn lstat(pathname: &const u8, statbuf: &Stat) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn lstat(pathname: [*]const u8, statbuf: *Stat) usize {
     return syscall2(SYS_lstat, @ptrToInt(pathname), @ptrToInt(statbuf));
 }
 
-pub fn listxattr(path: &const u8, list: &u8, size: usize) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn listxattr(path: [*]const u8, list: [*]u8, size: usize) usize {
     return syscall3(SYS_listxattr, @ptrToInt(path), @ptrToInt(list), size);
 }
 
-pub fn llistxattr(path: &const u8, list: &u8, size: usize) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn llistxattr(path: [*]const u8, list: [*]u8, size: usize) usize {
     return syscall3(SYS_llistxattr, @ptrToInt(path), @ptrToInt(list), size);
 }
 
-pub fn flistxattr(fd: usize, list: &u8, size: usize) usize {
+pub fn flistxattr(fd: usize, list: [*]u8, size: usize) usize {
     return syscall3(SYS_flistxattr, fd, @ptrToInt(list), size);
 }
 
-pub fn getxattr(path: &const u8, name: &const u8, value: &void, size: usize) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn getxattr(path: [*]const u8, name: [*]const u8, value: [*]u8, size: usize) usize {
     return syscall4(SYS_getxattr, @ptrToInt(path), @ptrToInt(name), @ptrToInt(value), size);
 }
 
-pub fn lgetxattr(path: &const u8, name: &const u8, value: &void, size: usize) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn lgetxattr(path: [*]const u8, name: [*]const u8, value: [*]u8, size: usize) usize {
     return syscall4(SYS_lgetxattr, @ptrToInt(path), @ptrToInt(name), @ptrToInt(value), size);
 }
 
-pub fn fgetxattr(fd: usize, name: &const u8, value: &void, size: usize) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn fgetxattr(fd: usize, name: [*]const u8, value: [*]u8, size: usize) usize {
     return syscall4(SYS_lgetxattr, fd, @ptrToInt(name), @ptrToInt(value), size);
 }
 
-pub fn setxattr(path: &const u8, name: &const u8, value: &const void,
-    size: usize, flags: usize) usize {
-
-    return syscall5(SYS_setxattr, @ptrToInt(path), @ptrToInt(name), @ptrToInt(value),
-        size, flags);
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn setxattr(path: [*]const u8, name: [*]const u8, value: *const void, size: usize, flags: usize) usize {
+    return syscall5(SYS_setxattr, @ptrToInt(path), @ptrToInt(name), @ptrToInt(value), size, flags);
 }
 
-pub fn lsetxattr(path: &const u8, name: &const u8, value: &const void,
-    size: usize, flags: usize) usize {
-
-    return syscall5(SYS_lsetxattr, @ptrToInt(path), @ptrToInt(name), @ptrToInt(value),
-        size, flags);
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn lsetxattr(path: [*]const u8, name: [*]const u8, value: *const void, size: usize, flags: usize) usize {
+    return syscall5(SYS_lsetxattr, @ptrToInt(path), @ptrToInt(name), @ptrToInt(value), size, flags);
 }
 
-pub fn fsetxattr(fd: usize, name: &const u8, value: &const void,
-    size: usize, flags: usize) usize {
-
-    return syscall5(SYS_fsetxattr, fd, @ptrToInt(name), @ptrToInt(value),
-        size, flags);
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn fsetxattr(fd: usize, name: [*]const u8, value: *const void, size: usize, flags: usize) usize {
+    return syscall5(SYS_fsetxattr, fd, @ptrToInt(name), @ptrToInt(value), size, flags);
 }
 
-pub fn removexattr(path: &const u8, name: &const u8) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn removexattr(path: [*]const u8, name: [*]const u8) usize {
     return syscall2(SYS_removexattr, @ptrToInt(path), @ptrToInt(name));
 }
 
-pub fn lremovexattr(path: &const u8, name: &const u8) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn lremovexattr(path: [*]const u8, name: [*]const u8) usize {
     return syscall2(SYS_lremovexattr, @ptrToInt(path), @ptrToInt(name));
 }
 
-pub fn fremovexattr(fd: usize, name: &const u8) usize {
+// TODO https://github.com/ziglang/zig/issues/265
+pub fn fremovexattr(fd: usize, name: [*]const u8) usize {
     return syscall2(SYS_fremovexattr, fd, @ptrToInt(name));
 }
 
+pub fn sched_getaffinity(pid: i32, set: []usize) usize {
+    return syscall3(SYS_sched_getaffinity, @bitCast(usize, isize(pid)), set.len * @sizeOf(usize), @ptrToInt(set.ptr));
+}
+
 pub const epoll_data = packed union {
     ptr: usize,
     fd: i32,
@@ -1115,56 +1221,60 @@ pub fn epoll_create1(flags: usize) usize {
     return syscall1(SYS_epoll_create1, flags);
 }
 
-pub fn epoll_ctl(epoll_fd: i32, op: u32, fd: i32, ev: &epoll_event) usize {
-    return syscall4(SYS_epoll_ctl, usize(epoll_fd), usize(op), usize(fd), @ptrToInt(ev));
+pub fn epoll_ctl(epoll_fd: i32, op: u32, fd: i32, ev: *epoll_event) usize {
+    return syscall4(SYS_epoll_ctl, @intCast(usize, epoll_fd), @intCast(usize, op), @intCast(usize, fd), @ptrToInt(ev));
+}
+
+pub fn epoll_wait(epoll_fd: i32, events: [*]epoll_event, maxevents: u32, timeout: i32) usize {
+    return syscall4(SYS_epoll_wait, @intCast(usize, epoll_fd), @ptrToInt(events), @intCast(usize, maxevents), @intCast(usize, timeout));
 }
 
-pub fn epoll_wait(epoll_fd: i32, events: &epoll_event, maxevents: u32, timeout: i32) usize {
-    return syscall4(SYS_epoll_wait, usize(epoll_fd), @ptrToInt(events), usize(maxevents), usize(timeout));
+pub fn eventfd(count: u32, flags: u32) usize {
+    return syscall2(SYS_eventfd2, count, flags);
 }
 
 pub fn timerfd_create(clockid: i32, flags: u32) usize {
-    return syscall2(SYS_timerfd_create, usize(clockid), usize(flags));
+    return syscall2(SYS_timerfd_create, @intCast(usize, clockid), @intCast(usize, flags));
 }
 
 pub const itimerspec = extern struct {
     it_interval: timespec,
-    it_value: timespec
+    it_value: timespec,
 };
 
-pub fn timerfd_gettime(fd: i32, curr_value: &itimerspec) usize {
-    return syscall2(SYS_timerfd_gettime, usize(fd), @ptrToInt(curr_value));
+pub fn timerfd_gettime(fd: i32, curr_value: *itimerspec) usize {
+    return syscall2(SYS_timerfd_gettime, @intCast(usize, fd), @ptrToInt(curr_value));
 }
 
-pub fn timerfd_settime(fd: i32, flags: u32, new_value: &const itimerspec, old_value: ?&itimerspec) usize {
-    return syscall4(SYS_timerfd_settime, usize(fd), usize(flags), @ptrToInt(new_value), @ptrToInt(old_value));
+pub fn timerfd_settime(fd: i32, flags: u32, new_value: *const itimerspec, old_value: ?*itimerspec) usize {
+    return syscall4(SYS_timerfd_settime, @intCast(usize, fd), @intCast(usize, flags), @ptrToInt(new_value), @ptrToInt(old_value));
 }
 
 pub const _LINUX_CAPABILITY_VERSION_1 = 0x19980330;
-pub const _LINUX_CAPABILITY_U32S_1    = 1;
+pub const _LINUX_CAPABILITY_U32S_1 = 1;
 
 pub const _LINUX_CAPABILITY_VERSION_2 = 0x20071026;
-pub const _LINUX_CAPABILITY_U32S_2    = 2;
+pub const _LINUX_CAPABILITY_U32S_2 = 2;
 
 pub const _LINUX_CAPABILITY_VERSION_3 = 0x20080522;
-pub const _LINUX_CAPABILITY_U32S_3    = 2;
+pub const _LINUX_CAPABILITY_U32S_3 = 2;
 
-pub const VFS_CAP_REVISION_MASK   = 0xFF000000;
-pub const VFS_CAP_REVISION_SHIFT  = 24;
-pub const VFS_CAP_FLAGS_MASK      = ~VFS_CAP_REVISION_MASK;
+pub const VFS_CAP_REVISION_MASK = 0xFF000000;
+pub const VFS_CAP_REVISION_SHIFT = 24;
+pub const VFS_CAP_FLAGS_MASK = ~VFS_CAP_REVISION_MASK;
 pub const VFS_CAP_FLAGS_EFFECTIVE = 0x000001;
 
 pub const VFS_CAP_REVISION_1 = 0x01000000;
-pub const VFS_CAP_U32_1      = 1;
-pub const XATTR_CAPS_SZ_1    = @sizeOf(u32)*(1 + 2*VFS_CAP_U32_1);
+pub const VFS_CAP_U32_1 = 1;
+pub const XATTR_CAPS_SZ_1 = @sizeOf(u32) * (1 + 2 * VFS_CAP_U32_1);
 
 pub const VFS_CAP_REVISION_2 = 0x02000000;
-pub const VFS_CAP_U32_2      = 2;
-pub const XATTR_CAPS_SZ_2    = @sizeOf(u32)*(1 + 2*VFS_CAP_U32_2);
+pub const VFS_CAP_U32_2 = 2;
+pub const XATTR_CAPS_SZ_2 = @sizeOf(u32) * (1 + 2 * VFS_CAP_U32_2);
 
-pub const XATTR_CAPS_SZ      = XATTR_CAPS_SZ_2;
-pub const VFS_CAP_U32        = VFS_CAP_U32_2;
-pub const VFS_CAP_REVISION   = VFS_CAP_REVISION_2;
+pub const XATTR_CAPS_SZ = XATTR_CAPS_SZ_2;
+pub const VFS_CAP_U32 = VFS_CAP_U32_2;
+pub const VFS_CAP_REVISION = VFS_CAP_REVISION_2;
 
 pub const vfs_cap_data = extern struct {
     //all of these are mandated as little endian
@@ -1175,49 +1285,48 @@ pub const vfs_cap_data = extern struct {
     };
 
     magic_etc: u32,
-    data:  [VFS_CAP_U32]Data,
+    data: [VFS_CAP_U32]Data,
 };
 
-
-pub const CAP_CHOWN             = 0;
-pub const CAP_DAC_OVERRIDE      = 1;
-pub const CAP_DAC_READ_SEARCH   = 2;
-pub const CAP_FOWNER            = 3;
-pub const CAP_FSETID            = 4;
-pub const CAP_KILL              = 5;
-pub const CAP_SETGID            = 6;
-pub const CAP_SETUID            = 7;
-pub const CAP_SETPCAP           = 8;
-pub const CAP_LINUX_IMMUTABLE   = 9;
-pub const CAP_NET_BIND_SERVICE  = 10;
-pub const CAP_NET_BROADCAST     = 11;
-pub const CAP_NET_ADMIN         = 12;
-pub const CAP_NET_RAW           = 13;
-pub const CAP_IPC_LOCK          = 14;
-pub const CAP_IPC_OWNER         = 15;
-pub const CAP_SYS_MODULE        = 16;
-pub const CAP_SYS_RAWIO         = 17;
-pub const CAP_SYS_CHROOT        = 18;
-pub const CAP_SYS_PTRACE        = 19;
-pub const CAP_SYS_PACCT         = 20;
-pub const CAP_SYS_ADMIN         = 21;
-pub const CAP_SYS_BOOT          = 22;
-pub const CAP_SYS_NICE          = 23;
-pub const CAP_SYS_RESOURCE      = 24;
-pub const CAP_SYS_TIME          = 25;
-pub const CAP_SYS_TTY_CONFIG    = 26;
-pub const CAP_MKNOD             = 27;
-pub const CAP_LEASE             = 28;
-pub const CAP_AUDIT_WRITE       = 29;
-pub const CAP_AUDIT_CONTROL     = 30;
-pub const CAP_SETFCAP           = 31;
-pub const CAP_MAC_OVERRIDE      = 32;
-pub const CAP_MAC_ADMIN         = 33;
-pub const CAP_SYSLOG            = 34;
-pub const CAP_WAKE_ALARM        = 35;
-pub const CAP_BLOCK_SUSPEND     = 36;
-pub const CAP_AUDIT_READ        = 37;
-pub const CAP_LAST_CAP          = CAP_AUDIT_READ;
+pub const CAP_CHOWN = 0;
+pub const CAP_DAC_OVERRIDE = 1;
+pub const CAP_DAC_READ_SEARCH = 2;
+pub const CAP_FOWNER = 3;
+pub const CAP_FSETID = 4;
+pub const CAP_KILL = 5;
+pub const CAP_SETGID = 6;
+pub const CAP_SETUID = 7;
+pub const CAP_SETPCAP = 8;
+pub const CAP_LINUX_IMMUTABLE = 9;
+pub const CAP_NET_BIND_SERVICE = 10;
+pub const CAP_NET_BROADCAST = 11;
+pub const CAP_NET_ADMIN = 12;
+pub const CAP_NET_RAW = 13;
+pub const CAP_IPC_LOCK = 14;
+pub const CAP_IPC_OWNER = 15;
+pub const CAP_SYS_MODULE = 16;
+pub const CAP_SYS_RAWIO = 17;
+pub const CAP_SYS_CHROOT = 18;
+pub const CAP_SYS_PTRACE = 19;
+pub const CAP_SYS_PACCT = 20;
+pub const CAP_SYS_ADMIN = 21;
+pub const CAP_SYS_BOOT = 22;
+pub const CAP_SYS_NICE = 23;
+pub const CAP_SYS_RESOURCE = 24;
+pub const CAP_SYS_TIME = 25;
+pub const CAP_SYS_TTY_CONFIG = 26;
+pub const CAP_MKNOD = 27;
+pub const CAP_LEASE = 28;
+pub const CAP_AUDIT_WRITE = 29;
+pub const CAP_AUDIT_CONTROL = 30;
+pub const CAP_SETFCAP = 31;
+pub const CAP_MAC_OVERRIDE = 32;
+pub const CAP_MAC_ADMIN = 33;
+pub const CAP_SYSLOG = 34;
+pub const CAP_WAKE_ALARM = 35;
+pub const CAP_BLOCK_SUSPEND = 36;
+pub const CAP_AUDIT_READ = 37;
+pub const CAP_LAST_CAP = CAP_AUDIT_READ;
 
 pub fn cap_valid(u8: x) bool {
     return x >= 0 and x <= CAP_LAST_CAP;
@@ -1232,8 +1341,8 @@ pub fn CAP_TO_INDEX(cap: u8) u8 {
 }
 
 pub const cap_t = extern struct {
-    hdrp: &cap_user_header_t,
-    datap: &cap_user_data_t,
+    hdrp: *cap_user_header_t,
+    datap: *cap_user_data_t,
 };
 
 pub const cap_user_header_t = extern struct {
@@ -1248,20 +1357,18 @@ pub const cap_user_data_t = extern struct {
 };
 
 pub fn unshare(flags: usize) usize {
-    return syscall1(SYS_unshare, usize(flags));
+    return syscall1(SYS_unshare, @intCast(usize, flags));
 }
 
-pub fn capget(hdrp: &cap_user_header_t, datap: &cap_user_data_t) usize {
+pub fn capget(hdrp: *cap_user_header_t, datap: *cap_user_data_t) usize {
     return syscall2(SYS_capget, @ptrToInt(hdrp), @ptrToInt(datap));
 }
 
-pub fn capset(hdrp: &cap_user_header_t, datap: &const cap_user_data_t) usize {
+pub fn capset(hdrp: *cap_user_header_t, datap: *const cap_user_data_t) usize {
     return syscall2(SYS_capset, @ptrToInt(hdrp), @ptrToInt(datap));
 }
 
-test "import linux test" {
-    // TODO lazy analysis should prevent this test from being compiled on windows, but
-    // it is still compiled on windows
+test "import" {
     if (builtin.os == builtin.Os.linux) {
         _ = @import("test.zig");
     }