tests passing on linux

build.zig

@@ -166,10 +166,8 @@ fn dependOnLib(b: *Builder, lib_exe_obj: var, dep: LibraryDep) void {
 }
 
 fn fileExists(filename: []const u8) !bool {
-    fs.File.exists(filename) catch |err| switch (err) {
-        error.PermissionDenied,
-        error.FileNotFound,
-        => return false,
+    fs.File.access(filename) catch |err| switch (err) {
+        error.FileNotFound => return false,
         else => return err,
     };
     return true;

doc/langref.html.in

@@ -796,8 +796,8 @@ const assert = std.debug.assert;
 threadlocal var x: i32 = 1234;
 
 test "thread local storage" {
-    const thread1 = try std.os.spawnThread({}, testTls);
-    const thread2 = try std.os.spawnThread({}, testTls);
+    const thread1 = try std.Thread.spawn({}, testTls);
+    const thread2 = try std.Thread.spawn({}, testTls);
     testTls({});
     thread1.wait();
     thread2.wait();

example/cat/main.zig

@@ -1,12 +1,13 @@
 const std = @import("std");
 const io = std.io;
+const process = std.process;
+const File = std.fs.File;
 const mem = std.mem;
-const os = std.os;
 const warn = std.debug.warn;
 const allocator = std.debug.global_allocator;
 
 pub fn main() !void {
-    var args_it = os.args();
+    var args_it = process.args();
     const exe = try unwrapArg(args_it.next(allocator).?);
     var catted_anything = false;
     var stdout_file = try io.getStdOut();
@@ -20,7 +21,7 @@ pub fn main() !void {
         } else if (arg[0] == '-') {
             return usage(exe);
         } else {
-            var file = os.File.openRead(arg) catch |err| {
+            var file = File.openRead(arg) catch |err| {
                 warn("Unable to open file: {}\n", @errorName(err));
                 return err;
             };
@@ -41,7 +42,7 @@ fn usage(exe: []const u8) !void {
     return error.Invalid;
 }
 
-fn cat_file(stdout: *os.File, file: *os.File) !void {
+fn cat_file(stdout: *File, file: *File) !void {
     var buf: [1024 * 4]u8 = undefined;
 
     while (true) {

example/guess_number/main.zig

@@ -2,7 +2,6 @@ const builtin = @import("builtin");
 const std = @import("std");
 const io = std.io;
 const fmt = std.fmt;
-const os = std.os;
 
 pub fn main() !void {
     var stdout_file = try io.getStdOut();
@@ -11,7 +10,7 @@ pub fn main() !void {
     try stdout.print("Welcome to the Guess Number Game in Zig.\n");
 
     var seed_bytes: [@sizeOf(u64)]u8 = undefined;
-    os.getRandomBytes(seed_bytes[0..]) catch |err| {
+    std.crypto.randomBytes(seed_bytes[0..]) catch |err| {
         std.debug.warn("unable to seed random number generator: {}", err);
         return err;
     };

example/hello_world/hello_libc.zig

@@ -5,6 +5,6 @@ const c = @cImport({
 });
 
 export fn main(argc: c_int, argv: [*]?[*]u8) c_int {
-    c.fprintf(c.stderr, c"Hello, world!\n");
+    _ = c.fprintf(c.stderr, c"Hello, world!\n");
     return 0;
 }

src-self-hosted/compilation.zig

@@ -301,6 +301,7 @@ pub const Compilation = struct {
         InvalidUtf8,
         BadPathName,
         DeviceBusy,
+        CurrentWorkingDirectoryUnlinked,
     };
 
     pub const Event = union(enum) {

src-self-hosted/libc_installation.zig

@@ -182,7 +182,7 @@ pub const LibCInstallation = struct {
     }
 
     async fn findNativeIncludeDirLinux(self: *LibCInstallation, loop: *event.Loop) !void {
-        const cc_exe = std.process.getEnvPosix("CC") orelse "cc";
+        const cc_exe = std.os.getenv("CC") orelse "cc";
         const argv = []const []const u8{
             cc_exe,
             "-E",
@@ -392,7 +392,7 @@ pub const LibCInstallation = struct {
 
 /// caller owns returned memory
 async fn ccPrintFileName(loop: *event.Loop, o_file: []const u8, want_dirname: bool) ![]u8 {
-    const cc_exe = std.process.getEnvPosix("CC") orelse "cc";
+    const cc_exe = std.os.getenv("CC") orelse "cc";
     const arg1 = try std.fmt.allocPrint(loop.allocator, "-print-file-name={}", o_file);
     defer loop.allocator.free(arg1);
     const argv = []const []const u8{ cc_exe, arg1 };
@@ -463,7 +463,7 @@ fn fileExists(path: []const u8) !bool {
     if (fs.File.access(path)) |_| {
         return true;
     } else |err| switch (err) {
-        error.FileNotFound, error.PermissionDenied => return false,
+        error.FileNotFound => return false,
         else => return error.FileSystem,
     }
 }

src-self-hosted/main.zig

@@ -702,6 +702,7 @@ const FmtError = error{
     ReadOnlyFileSystem,
     LinkQuotaExceeded,
     FileBusy,
+    CurrentWorkingDirectoryUnlinked,
 } || fs.File.OpenError;
 
 async fn asyncFmtMain(
@@ -851,7 +852,7 @@ fn cmdTargets(allocator: *Allocator, args: []const []const u8) !void {
 }
 
 fn cmdVersion(allocator: *Allocator, args: []const []const u8) !void {
-    try stdout.print("{}\n", std.cstr.toSliceConst(c.ZIG_VERSION_STRING));
+    try stdout.print("{}\n", std.mem.toSliceConst(u8, c.ZIG_VERSION_STRING));
 }
 
 const args_test_spec = []Flag{Flag.Bool("--help")};
@@ -924,14 +925,14 @@ fn cmdInternalBuildInfo(allocator: *Allocator, args: []const []const u8) !void {
         \\ZIG_DIA_GUIDS_LIB    {}
         \\
     ,
-        std.cstr.toSliceConst(c.ZIG_CMAKE_BINARY_DIR),
-        std.cstr.toSliceConst(c.ZIG_CXX_COMPILER),
-        std.cstr.toSliceConst(c.ZIG_LLVM_CONFIG_EXE),
-        std.cstr.toSliceConst(c.ZIG_LLD_INCLUDE_PATH),
-        std.cstr.toSliceConst(c.ZIG_LLD_LIBRARIES),
-        std.cstr.toSliceConst(c.ZIG_STD_FILES),
-        std.cstr.toSliceConst(c.ZIG_C_HEADER_FILES),
-        std.cstr.toSliceConst(c.ZIG_DIA_GUIDS_LIB),
+        std.mem.toSliceConst(u8, c.ZIG_CMAKE_BINARY_DIR),
+        std.mem.toSliceConst(u8, c.ZIG_CXX_COMPILER),
+        std.mem.toSliceConst(u8, c.ZIG_LLVM_CONFIG_EXE),
+        std.mem.toSliceConst(u8, c.ZIG_LLD_INCLUDE_PATH),
+        std.mem.toSliceConst(u8, c.ZIG_LLD_LIBRARIES),
+        std.mem.toSliceConst(u8, c.ZIG_STD_FILES),
+        std.mem.toSliceConst(u8, c.ZIG_C_HEADER_FILES),
+        std.mem.toSliceConst(u8, c.ZIG_DIA_GUIDS_LIB),
     );
 }
 

std/c.zig

@@ -39,8 +39,8 @@ pub extern "c" fn open(path: [*]const u8, oflag: c_uint, ...) c_int;
 pub extern "c" fn raise(sig: c_int) c_int;
 pub extern "c" fn read(fd: fd_t, buf: [*]u8, nbyte: usize) isize;
 pub extern "c" fn pread(fd: fd_t, buf: [*]u8, nbyte: usize, offset: u64) isize;
-pub extern "c" fn preadv(fd: c_int, iov: [*]const iovec, iovcnt: c_int, offset: usize) isize;
-pub extern "c" fn pwritev(fd: c_int, iov: [*]const iovec, iovcnt: c_int, offset: usize) isize;
+pub extern "c" fn preadv(fd: c_int, iov: [*]const iovec, iovcnt: c_uint, offset: usize) isize;
+pub extern "c" fn pwritev(fd: c_int, iov: [*]const iovec_const, iovcnt: c_uint, offset: usize) isize;
 pub extern "c" fn stat(noalias path: [*]const u8, noalias buf: *Stat) c_int;
 pub extern "c" fn write(fd: fd_t, buf: [*]const u8, nbyte: usize) isize;
 pub extern "c" fn pwrite(fd: fd_t, buf: [*]const u8, nbyte: usize, offset: u64) isize;
@@ -49,7 +49,7 @@ pub extern "c" fn munmap(addr: *align(page_size) c_void, len: usize) c_int;
 pub extern "c" fn mprotect(addr: *align(page_size) c_void, len: usize, prot: c_uint) c_int;
 pub extern "c" fn unlink(path: [*]const u8) c_int;
 pub extern "c" fn getcwd(buf: [*]u8, size: usize) ?[*]u8;
-pub extern "c" fn waitpid(pid: c_int, stat_loc: *c_int, options: c_int) c_int;
+pub extern "c" fn waitpid(pid: c_int, stat_loc: *c_uint, options: c_uint) c_int;
 pub extern "c" fn fork() c_int;
 pub extern "c" fn access(path: [*]const u8, mode: c_uint) c_int;
 pub extern "c" fn pipe(fds: *[2]fd_t) c_int;
@@ -76,7 +76,12 @@ pub extern "c" fn sysctlbyname(name: [*]const u8, oldp: ?*c_void, oldlenp: ?*usi
 pub extern "c" fn sysctlnametomib(name: [*]const u8, mibp: ?*c_int, sizep: ?*usize) c_int;
 
 pub extern "c" fn bind(socket: fd_t, address: ?*const sockaddr, address_len: socklen_t) c_int;
-pub extern "c" fn socket(domain: c_int, sock_type: c_int, protocol: c_int) c_int;
+pub extern "c" fn socket(domain: c_uint, sock_type: c_uint, protocol: c_uint) c_int;
+pub extern "c" fn listen(sockfd: fd_t, backlog: c_uint) c_int;
+pub extern "c" fn getsockname(sockfd: fd_t, noalias addr: *sockaddr, noalias addrlen: *socklen_t) c_int;
+pub extern "c" fn connect(sockfd: fd_t, sock_addr: *const sockaddr, addrlen: socklen_t) c_int;
+pub extern "c" fn accept4(sockfd: fd_t, addr: *sockaddr, addrlen: *socklen_t, flags: c_uint) c_int;
+pub extern "c" fn getsockopt(sockfd: fd_t, level: c_int, optname: c_int, optval: *c_void, optlen: *socklen_t) c_int;
 pub extern "c" fn kill(pid: pid_t, sig: c_int) c_int;
 pub extern "c" fn getdirentries(fd: fd_t, buf_ptr: [*]u8, nbytes: usize, basep: *i64) isize;
 pub extern "c" fn openat(fd: c_int, path: [*]const u8, flags: c_int) c_int;

std/c/linux.zig

@@ -1,13 +1,27 @@
 const std = @import("../std.zig");
 use std.c;
 
-pub extern "c" fn getrandom(buf_ptr: [*]u8, buf_len: usize, flags: c_uint) c_int;
-pub extern "c" fn sched_getaffinity(pid: c_int, size: usize, set: *cpu_set_t) c_int;
 extern "c" fn __errno_location() *c_int;
 pub const _errno = __errno_location;
 
+pub extern "c" fn getrandom(buf_ptr: [*]u8, buf_len: usize, flags: c_uint) c_int;
+pub extern "c" fn sched_getaffinity(pid: c_int, size: usize, set: *cpu_set_t) c_int;
+pub extern "c" fn eventfd(initval: c_uint, flags: c_uint) c_int;
+pub extern "c" fn epoll_ctl(epfd: fd_t, op: c_uint, fd: fd_t, event: *epoll_event) c_int;
+pub extern "c" fn epoll_create1(flags: c_uint) c_int;
+pub extern "c" fn epoll_wait(epfd: fd_t, events: [*]epoll_event, maxevents: c_uint, timeout: c_int) c_int;
+pub extern "c" fn epoll_pwait(
+    epfd: fd_t,
+    events: [*]epoll_event,
+    maxevents: c_int,
+    timeout: c_int,
+    sigmask: *const sigset_t,
+) c_int;
+pub extern "c" fn inotify_init1(flags: c_uint) c_int;
+pub extern "c" fn inotify_add_watch(fd: fd_t, pathname: [*]const u8, mask: u32) c_int;
+
 /// See std.elf for constants for this
-pub extern fn getauxval(__type: c_ulong) c_ulong;
+pub extern "c" fn getauxval(__type: c_ulong) c_ulong;
 
 pub const dl_iterate_phdr_callback = extern fn (info: *dl_phdr_info, size: usize, data: ?*c_void) c_int;
-pub extern fn dl_iterate_phdr(callback: dl_iterate_phdr_callback, data: ?*c_void) c_int;
+pub extern "c" fn dl_iterate_phdr(callback: dl_iterate_phdr_callback, data: ?*c_void) c_int;

std/child_process.zig

@@ -54,10 +54,10 @@ pub const ChildProcess = struct {
         os.ChangeCurDirError || windows.CreateProcessError;
 
     pub const Term = union(enum) {
-        Exited: i32,
-        Signal: i32,
-        Stopped: i32,
-        Unknown: i32,
+        Exited: u32,
+        Signal: u32,
+        Stopped: u32,
+        Unknown: u32,
     };
 
     pub const StdIo = enum {
@@ -155,7 +155,7 @@ pub const ChildProcess = struct {
     }
 
     pub const ExecResult = struct {
-        term: os.ChildProcess.Term,
+        term: Term,
         stdout: []u8,
         stderr: []u8,
     };
@@ -224,7 +224,7 @@ pub const ChildProcess = struct {
             if (windows.GetExitCodeProcess(self.handle, &exit_code) == 0) {
                 break :x Term{ .Unknown = 0 };
             } else {
-                break :x Term{ .Exited = @bitCast(i32, exit_code) };
+                break :x Term{ .Exited = exit_code };
             }
         });
 
@@ -240,7 +240,7 @@ pub const ChildProcess = struct {
         self.handleWaitResult(status);
     }
 
-    fn handleWaitResult(self: *ChildProcess, status: i32) void {
+    fn handleWaitResult(self: *ChildProcess, status: u32) void {
         self.term = self.cleanupAfterWait(status);
     }
 
@@ -259,7 +259,7 @@ pub const ChildProcess = struct {
         }
     }
 
-    fn cleanupAfterWait(self: *ChildProcess, status: i32) !Term {
+    fn cleanupAfterWait(self: *ChildProcess, status: u32) !Term {
         defer {
             os.close(self.err_pipe[0]);
             os.close(self.err_pipe[1]);
@@ -281,7 +281,7 @@ pub const ChildProcess = struct {
         return statusToTerm(status);
     }
 
-    fn statusToTerm(status: i32) Term {
+    fn statusToTerm(status: u32) Term {
         return if (os.WIFEXITED(status))
             Term{ .Exited = os.WEXITSTATUS(status) }
         else if (os.WIFSIGNALED(status))

std/cstr.zig

@@ -28,7 +28,7 @@ test "cstr fns" {
 
 fn testCStrFnsImpl() void {
     testing.expect(cmp(c"aoeu", c"aoez") == -1);
-    testing.expect(len(c"123456789") == 9);
+    testing.expect(mem.len(u8, c"123456789") == 9);
 }
 
 /// Returns a mutable slice with 1 more byte of length which is a null byte.

std/dynamic_library.zig

@@ -6,8 +6,7 @@ const os = std.os;
 const assert = std.debug.assert;
 const testing = std.testing;
 const elf = std.elf;
-const windows = os.windows;
-const win_util = @import("os/windows/util.zig");
+const windows = std.os.windows;
 const maxInt = std.math.maxInt;
 
 pub const DynLib = switch (builtin.os) {
@@ -102,39 +101,35 @@ pub fn linkmap_iterator(phdrs: []elf.Phdr) !LinkMap.Iterator {
 pub const LinuxDynLib = struct {
     elf_lib: ElfLib,
     fd: i32,
-    map_addr: usize,
-    map_size: usize,
+    memory: []align(mem.page_size) u8,
 
     /// Trusts the file
     pub fn open(allocator: *mem.Allocator, path: []const u8) !DynLib {
         const fd = try os.open(path, 0, os.O_RDONLY | os.O_CLOEXEC);
-        errdefer std.os.close(fd);
+        errdefer os.close(fd);
 
-        const size = @intCast(usize, (try std.os.posixFStat(fd)).size);
+        const size = @intCast(usize, (try os.fstat(fd)).size);
 
-        const addr = os.mmap(
+        const bytes = try os.mmap(
             null,
             size,
             os.PROT_READ | os.PROT_EXEC,
             os.MAP_PRIVATE | os.MAP_LOCKED,
             fd,
             0,
         );
-        errdefer os.munmap(addr, size);
-
-        const bytes = @intToPtr([*]align(mem.page_size) u8, addr)[0..size];
+        errdefer os.munmap(bytes);
 
         return DynLib{
             .elf_lib = try ElfLib.init(bytes),
             .fd = fd,
-            .map_addr = addr,
-            .map_size = size,
+            .memory = bytes,
         };
     }
 
     pub fn close(self: *DynLib) void {
-        os.munmap(self.map_addr, self.map_size);
-        std.os.close(self.fd);
+        os.munmap(self.memory);
+        os.close(self.fd);
         self.* = undefined;
     }
 
@@ -253,28 +248,21 @@ pub const WindowsDynLib = struct {
     dll: windows.HMODULE,
 
     pub fn open(allocator: *mem.Allocator, path: []const u8) !WindowsDynLib {
-        const wpath = try win_util.sliceToPrefixedFileW(path);
+        const wpath = try windows.sliceToPrefixedFileW(path);
 
         return WindowsDynLib{
             .allocator = allocator,
-            .dll = windows.LoadLibraryW(&wpath) orelse {
-                switch (windows.GetLastError()) {
-                    windows.ERROR.FILE_NOT_FOUND => return error.FileNotFound,
-                    windows.ERROR.PATH_NOT_FOUND => return error.FileNotFound,
-                    windows.ERROR.MOD_NOT_FOUND => return error.FileNotFound,
-                    else => |err| return windows.unexpectedError(err),
-                }
-            },
+            .dll = try windows.LoadLibraryW(&wpath),
         };
     }
 
     pub fn close(self: *WindowsDynLib) void {
-        assert(windows.FreeLibrary(self.dll) != 0);
+        windows.FreeLibrary(self.dll);
         self.* = undefined;
     }
 
     pub fn lookup(self: *WindowsDynLib, name: []const u8) ?usize {
-        return @ptrToInt(windows.GetProcAddress(self.dll, name.ptr));
+        return @ptrToInt(windows.kernel32.GetProcAddress(self.dll, name.ptr));
     }
 };