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syscall: implementing some mingw syscalls required by os package

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R=rsc
CC=golang-dev
https://golang.org/cl/770041
This commit is contained in:
Alex Brainman 2010-04-02 01:11:17 -07:00 committed by Russ Cox
parent f75d0d224f
commit 79017aa568
11 changed files with 571 additions and 29 deletions
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9
src/pkg/os/dir_mingw.go Normal file
View File

@ -0,0 +1,9 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package os
func (file *File) Readdirnames(count int) (names []string, err Error) {
panic("windows Readdirnames not implemented")
}

6
src/pkg/os/file.go
View File

@ -45,9 +45,9 @@ func NewFile(fd int, name string) *File {
// Stdin, Stdout, and Stderr are open Files pointing to the standard input,
// standard output, and standard error file descriptors.
var (
Stdin = NewFile(0, "/dev/stdin")
Stdout = NewFile(1, "/dev/stdout")
Stderr = NewFile(2, "/dev/stderr")
Stdin = NewFile(syscall.Stdin, "/dev/stdin")
Stdout = NewFile(syscall.Stdout, "/dev/stdout")
Stderr = NewFile(syscall.Stderr, "/dev/stderr")
)
// Flags to Open wrapping those of the underlying system. Not all flags

15
src/pkg/os/stat_mingw.go Normal file
View File

@ -0,0 +1,15 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package os
import "syscall"
func isSymlink(stat *syscall.Stat_t) bool {
panic("windows isSymlink not implemented")
}
func dirFromStat(name string, dir *Dir, lstat, stat *syscall.Stat_t) *Dir {
panic("windows dirFromStat not implemented")
}

7
src/pkg/os/sys_mingw.go Normal file
View File

@ -0,0 +1,7 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package os
func Hostname() (name string, err Error) { return "windows", nil }

20
src/pkg/syscall/mksyscall_mingw.sh
View File

@ -18,9 +18,9 @@
# * Each function, that returns errno, needs to supply a number,
# that return value of winapi will be tested against to
# detect failure. This would set errno to windows "last-error",
# otherwise it will be 0. The value can be provided at
# the very end of //sys declaration, like
# //sys LoadLibrary(libname string) (handle uint32, errno int) = LoadLibraryA, 0xffffffff
# otherwise it will be 0. The value can be provided
# at end of //sys declaration, like
# //sys LoadLibrary(libname string) (handle uint32, errno int) [failretval=-1] = LoadLibraryA
# and is 0 by default.
$cmdline = "mksyscall_mingw.sh " . join(' ', @ARGV);
@ -72,12 +72,12 @@ while(<>) {
# Line must be of the form
# func Open(path string, mode int, perm int) (fd int, errno int)
# Split into name, in params, out params.
if(!/^\/\/sys (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(\w*))?(?:\s*,\s*(\w+))?$/) {
if(!/^\/\/sys (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:\[failretval=(.*)\])?\s*(?:=\s*(\w*))?$/) {
print STDERR "$ARGV:$.: malformed //sys declaration\n";
$errors = 1;
next;
}
my ($func, $in, $out, $sysname, $failretval) = ($1, $2, $3, $4, $5);
my ($func, $in, $out, $failretval, $sysname) = ($1, $2, $3, $4, $5);
# Split argument lists on comma.
my @in = parseparamlist($in);
@ -163,6 +163,7 @@ while(<>) {
# Assign return values.
my $body = "";
my $failexpr = "";
my @ret = ("_", "_", "_");
for(my $i=0; $i<@out; $i++) {
my $p = $out[$i];
@ -191,9 +192,16 @@ while(<>) {
$ret[$i] = sprintf("r%d", $i);
$ret[$i+1] = sprintf("r%d", $i+1);
}
if($i == 0) {
if($type eq "bool") {
$failexpr = "!$name";
} else {
$failexpr = "$name == $failretval";
}
}
if($name eq "errno") {
# Set errno to "last error" only if returned value indicate failure
$body .= "\tif uint32(r0) == $failretval {\n";
$body .= "\tif $failexpr {\n";
$body .= "\t\t$name = $type($reg);\n";
$body .= "\t} else {\n";
$body .= "\t\t$name = 0;\n";

201
src/pkg/syscall/syscall_mingw.go
View File

@ -98,6 +98,15 @@ func getSysProcAddr(m uint32, pname string) uintptr {
//sys GetProcAddress(module uint32, procname string) (proc uint32, errno int)
//sys GetVersion() (ver uint32, errno int)
//sys FormatMessage(flags uint32, msgsrc uint32, msgid uint32, langid uint32, buf []uint16, args *byte) (n uint32, errno int) = FormatMessageW
//sys ExitProcess(exitcode uint32)
//sys CreateFile(name *uint16, access uint32, mode uint32, sa *byte, createmode uint32, attrs uint32, templatefile int32) (handle int32, errno int) [failretval=-1] = CreateFileW
//sys ReadFile(handle int32, buf []byte, done *uint32, overlapped *Overlapped) (ok bool, errno int)
//sys WriteFile(handle int32, buf []byte, done *uint32, overlapped *Overlapped) (ok bool, errno int)
//sys SetFilePointer(handle int32, lowoffset int32, highoffsetptr *int32, whence uint32) (newlowoffset uint32, errno int) [failretval=0xffffffff]
//sys CloseHandle(handle int32) (ok bool, errno int)
//sys GetStdHandle(stdhandle int32) (handle int32, errno int) [failretval=-1]
// syscall interface implementation for other packages
func Errstr(errno int) string {
if errno == EMINGW {
@ -111,11 +120,184 @@ func Errstr(errno int) string {
return UTF16ToString(b[0 : n-1])
}
func Exit(code int) { ExitProcess(uint32(code)) }
func Open(path string, mode int, perm int) (fd int, errno int) {
if len(path) == 0 {
return -1, ERROR_FILE_NOT_FOUND
}
var access, sharemode uint32
switch {
case mode&O_CREAT != 0:
access = GENERIC_READ | GENERIC_WRITE
sharemode = 0
case mode&O_RDWR == O_RDONLY:
access = GENERIC_READ
sharemode = FILE_SHARE_READ
case mode&O_RDWR == O_WRONLY:
access = GENERIC_WRITE
sharemode = FILE_SHARE_READ
case mode&O_RDWR == O_RDWR:
access = GENERIC_READ | GENERIC_WRITE
sharemode = FILE_SHARE_READ | FILE_SHARE_WRITE
}
var createmode uint32
switch {
case mode&O_CREAT != 0:
if mode&O_EXCL != 0 {
createmode = CREATE_NEW
} else {
createmode = CREATE_ALWAYS
}
case mode&O_TRUNC != 0:
createmode = TRUNCATE_EXISTING
default:
createmode = OPEN_EXISTING
}
h, e := CreateFile(StringToUTF16Ptr(path), access, sharemode, nil, createmode, FILE_ATTRIBUTE_NORMAL, 0)
return int(h), int(e)
}
func Read(fd int, p []byte) (n int, errno int) {
var done uint32
if ok, e := ReadFile(int32(fd), p, &done, nil); !ok {
return 0, e
}
return int(done), 0
}
// TODO(brainman): ReadFile/WriteFile change file offset, therefore
// i use Seek here to preserve semantics of unix pread/pwrite,
// not sure if I should do that
func Pread(fd int, p []byte, offset int64) (n int, errno int) {
var o Overlapped
o.OffsetHigh = uint32(offset >> 32)
o.Offset = uint32(offset)
curoffset, e := Seek(fd, 0, 1)
if e != 0 {
return 0, e
}
var done uint32
if ok, e := ReadFile(int32(fd), p, &done, &o); !ok {
return 0, e
}
_, e = Seek(fd, curoffset, 0)
if e != 0 {
return 0, e
}
return int(done), 0
}
func Write(fd int, p []byte) (n int, errno int) {
var done uint32
if ok, e := WriteFile(int32(fd), p, &done, nil); !ok {
return 0, e
}
return int(done), 0
}
func Pwrite(fd int, p []byte, offset int64) (n int, errno int) {
var o Overlapped
o.OffsetHigh = uint32(offset >> 32)
o.Offset = uint32(offset)
curoffset, e := Seek(fd, 0, 1)
if e != 0 {
return 0, e
}
var done uint32
if ok, e := WriteFile(int32(fd), p, &done, &o); !ok {
return 0, e
}
_, e = Seek(fd, curoffset, 0)
if e != 0 {
return 0, e
}
return int(done), 0
}
func Seek(fd int, offset int64, whence int) (newoffset int64, errno int) {
var w uint32
switch whence {
case 0:
w = FILE_BEGIN
case 1:
w = FILE_CURRENT
case 2:
w = FILE_END
}
hi := int32(offset >> 32)
lo := int32(offset)
rlo, e := SetFilePointer(int32(fd), lo, &hi, w)
if e != 0 {
return 0, e
}
return int64(hi)<<32 + int64(rlo), 0
}
func Close(fd int) (errno int) {
if ok, e := CloseHandle(int32(fd)); !ok {
return e
}
return 0
}
var (
Stdin = getStdHandle(STD_INPUT_HANDLE)
Stdout = getStdHandle(STD_OUTPUT_HANDLE)
Stderr = getStdHandle(STD_ERROR_HANDLE)
)
func getStdHandle(h int32) (fd int) {
r, _ := GetStdHandle(h)
return int(r)
}
// TODO(brainman): fix all needed for os
const (
SIGTRAP = 5
)
func Getdents(fd int, buf []byte) (n int, errno int) { return 0, EMINGW }
func Getpid() (pid int) { return -1 }
func Getppid() (ppid int) { return -1 }
func Mkdir(path string, mode int) (errno int) { return EMINGW }
func Lstat(path string, stat *Stat_t) (errno int) { return EMINGW }
func Stat(path string, stat *Stat_t) (errno int) { return EMINGW }
func Fstat(fd int, stat *Stat_t) (errno int) { return EMINGW }
func Chdir(path string) (errno int) { return EMINGW }
func Fchdir(fd int) (errno int) { return EMINGW }
func Unlink(path string) (errno int) { return EMINGW }
func Rmdir(path string) (errno int) { return EMINGW }
func Link(oldpath, newpath string) (errno int) { return EMINGW }
func Symlink(path, link string) (errno int) { return EMINGW }
func Readlink(path string, buf []byte) (n int, errno int) { return 0, EMINGW }
func Rename(oldpath, newpath string) (errno int) { return EMINGW }
func Chmod(path string, mode int) (errno int) { return EMINGW }
func Fchmod(fd int, mode int) (errno int) { return EMINGW }
func Chown(path string, uid int, gid int) (errno int) { return EMINGW }
func Lchown(path string, uid int, gid int) (errno int) { return EMINGW }
func Fchown(fd int, uid int, gid int) (errno int) { return EMINGW }
func Truncate(name string, size int64) (errno int) { return EMINGW }
func Ftruncate(fd int, length int64) (errno int) { return EMINGW }
const ImplementsGetwd = true
func Getwd() (wd string, errno int) { return "", EMINGW }
func Getuid() (uid int) { return -1 }
func Geteuid() (euid int) { return -1 }
func Getgid() (gid int) { return -1 }
func Getegid() (egid int) { return -1 }
func Getgroups() (gids []int, errno int) { return nil, EMINGW }
func Gettimeofday(tv *Timeval) (errno int) { return EMINGW }
// TODO(brainman): fix all this meaningless code, it is here to compile exec.go
func Pipe(p []int) (errno int) { return EMINGW }
func Close(fd int) (errno int) { return EMINGW }
func read(fd int, buf *byte, nbuf int) (n int, errno int) {
return 0, EMINGW
}
@ -125,24 +307,13 @@ func fcntl(fd, cmd, arg int) (val int, errno int) {
}
const (
F_SETFD = 1 + iota
FD_CLOEXEC
F_GETFL
F_SETFL
O_NONBLOCK
SYS_FORK
SYS_PTRACE
SYS_CHDIR
SYS_DUP2
SYS_FCNTL
SYS_EXECVE
PTRACE_TRACEME
PTRACE_TRACEME = 1 + iota
WNOHANG
WSTOPPED
SYS_CLOSE
SYS_WRITE
SYS_EXIT
SYS_READ
EPIPE
EINTR
)
type Rusage struct {

4
src/pkg/syscall/syscall_mingw_386.go
View File

@ -3,3 +3,7 @@
// license that can be found in the LICENSE file.
package syscall
// TODO(brainman): check Getpagesize
func Getpagesize() int { return 4096 }

6
src/pkg/syscall/syscall_unix.go
View File

@ -4,6 +4,12 @@
package syscall
var (
Stdin = 0
Stdout = 1
Stderr = 2
)
func Errstr(errno int) string {
if errno < 0 || errno >= int(len(errors)) {
return "error " + str(errno)

125
src/pkg/syscall/zerrors_mingw_386.go
View File

@ -6,9 +6,134 @@ package syscall
// TODO(brainman): populate errors in zerrors_mingw.go
const (
ERROR_FILE_NOT_FOUND = 2
ERROR_INSUFFICIENT_BUFFER = 122
ERROR_MOD_NOT_FOUND = 126
ERROR_PROC_NOT_FOUND = 127
// TODO(brainman): should use value for EMINGW that does not clashes with anything else
EMINGW = 99999 /* otherwise unused */
)
// TODO(brainman): fix all needed for os
const (
EPERM = 1
ENOENT = 2
ESRCH = 3
EINTR = 4
EIO = 5
ENXIO = 6
E2BIG = 7
ENOEXEC = 8
EBADF = 9
ECHILD = 10
EAGAIN = 11
ENOMEM = 12
EACCES = 13
EFAULT = 14
EBUSY = 16
EEXIST = 17
EXDEV = 18
ENODEV = 19
ENOTDIR = 20
EISDIR = 21
EINVAL = 22
ENFILE = 23
EMFILE = 24
ENOTTY = 25
EFBIG = 27
ENOSPC = 28
ESPIPE = 29
EROFS = 30
EMLINK = 31
EPIPE = 32
ENAMETOOLONG = 36
ENOSYS = 38
EDQUOT = 122
EDOM = 33
ERANGE = 34
ENOMSG = 35
ECHRNG = 37
EL3HLT = 39
EL3RST = 40
ELNRNG = 41
EUNATCH = 42
ENOCSI = 43
EL2HLT = 44
EDEADLK = 45
ENOLCK = 46
EBADE = 50
EBADR = 51
EXFULL = 52
ENOANO = 53
EBADRQC = 54
EBADSLT = 55
EBFONT = 57
ENOSTR = 60
ENODATA = 61
ETIME = 62
ENOSR = 63
ENONET = 64
ENOPKG = 65
EREMOTE = 66
ENOLINK = 67
EADV = 68
ESRMNT = 69
ECOMM = 70
EPROTO = 71
EMULTIHOP = 74
ELBIN = 75
EDOTDOT = 76
EBADMSG = 77
EFTYPE = 79
ENOTUNIQ = 80
EBADFD = 81
EREMCHG = 82
ELIBACC = 83
ELIBBAD = 84
ELIBSCN = 85
ELIBMAX = 86
ELIBEXEC = 87
ENMFILE = 89
ENOTEMPTY = 90
ELOOP = 92
EOPNOTSUPP = 95
EPFNOSUPPORT = 96
ECONNRESET = 104
ENOBUFS = 105
EAFNOSUPPORT = 106
EPROTOTYPE = 107
ENOTSOCK = 108
ENOPROTOOPT = 109
ESHUTDOWN = 110
ECONNREFUSED = 111
EADDRINUSE = 112
ECONNABORTED = 113
ENETUNREACH = 114
ENETDOWN = 115
ETIMEDOUT = 116
EHOSTDOWN = 117
EHOSTUNREACH = 118
EINPROGRESS = 119
EALREADY = 120
EDESTADDRREQ = 121
EPROTONOSUPPORT = 123
ESOCKTNOSUPPORT = 124
EADDRNOTAVAIL = 125
ENETRESET = 126
EISCONN = 127
ENOTCONN = 128
ETOOMANYREFS = 129
EPROCLIM = 130
EUSERS = 131
ESTALE = 133
ENOMEDIUM = 135
ENOSHARE = 136
ECASECLASH = 137
EILSEQ = 138
EOVERFLOW = 139
ECANCELED = 140
EL2NSYNC = 88
EIDRM = 91
EMSGSIZE = 132
)

96
src/pkg/syscall/zsyscall_mingw_386.go
View File

@ -13,6 +13,13 @@ var (
procGetProcAddress = getSysProcAddr(modKERNEL32, "GetProcAddress")
procGetVersion = getSysProcAddr(modKERNEL32, "GetVersion")
procFormatMessageW = getSysProcAddr(modKERNEL32, "FormatMessageW")
procExitProcess = getSysProcAddr(modKERNEL32, "ExitProcess")
procCreateFileW = getSysProcAddr(modKERNEL32, "CreateFileW")
procReadFile = getSysProcAddr(modKERNEL32, "ReadFile")
procWriteFile = getSysProcAddr(modKERNEL32, "WriteFile")
procSetFilePointer = getSysProcAddr(modKERNEL32, "SetFilePointer")
procCloseHandle = getSysProcAddr(modKERNEL32, "CloseHandle")
procGetStdHandle = getSysProcAddr(modKERNEL32, "GetStdHandle")
)
func GetLastError() (lasterrno int) {
@ -24,7 +31,7 @@ func GetLastError() (lasterrno int) {
func LoadLibrary(libname string) (handle uint32, errno int) {
r0, _, e1 := Syscall(procLoadLibraryW, uintptr(unsafe.Pointer(StringToUTF16Ptr(libname))), 0, 0)
handle = uint32(r0)
if uint32(r0) == 0 {
if handle == 0 {
errno = int(e1)
} else {
errno = 0
@ -35,7 +42,7 @@ func LoadLibrary(libname string) (handle uint32, errno int) {
func FreeLibrary(handle uint32) (ok bool, errno int) {
r0, _, e1 := Syscall(procFreeLibrary, uintptr(handle), 0, 0)
ok = bool(r0 != 0)
if uint32(r0) == 0 {
if !ok {
errno = int(e1)
} else {
errno = 0
@ -46,7 +53,7 @@ func FreeLibrary(handle uint32) (ok bool, errno int) {
func GetProcAddress(module uint32, procname string) (proc uint32, errno int) {
r0, _, e1 := Syscall(procGetProcAddress, uintptr(module), uintptr(unsafe.Pointer(StringBytePtr(procname))), 0)
proc = uint32(r0)
if uint32(r0) == 0 {
if proc == 0 {
errno = int(e1)
} else {
errno = 0
@ -57,7 +64,7 @@ func GetProcAddress(module uint32, procname string) (proc uint32, errno int) {
func GetVersion() (ver uint32, errno int) {
r0, _, e1 := Syscall(procGetVersion, 0, 0, 0)
ver = uint32(r0)
if uint32(r0) == 0 {
if ver == 0 {
errno = int(e1)
} else {
errno = 0
@ -72,7 +79,86 @@ func FormatMessage(flags uint32, msgsrc uint32, msgid uint32, langid uint32, buf
}
r0, _, e1 := Syscall9(procFormatMessageW, uintptr(flags), uintptr(msgsrc), uintptr(msgid), uintptr(langid), uintptr(unsafe.Pointer(_p0)), uintptr(len(buf)), uintptr(unsafe.Pointer(args)), 0, 0)
n = uint32(r0)
if uint32(r0) == 0 {
if n == 0 {
errno = int(e1)
} else {
errno = 0
}
return
}
func ExitProcess(exitcode uint32) {
Syscall(procExitProcess, uintptr(exitcode), 0, 0)
return
}
func CreateFile(name *uint16, access uint32, mode uint32, sa *byte, createmode uint32, attrs uint32, templatefile int32) (handle int32, errno int) {
r0, _, e1 := Syscall9(procCreateFileW, uintptr(unsafe.Pointer(name)), uintptr(access), uintptr(mode), uintptr(unsafe.Pointer(sa)), uintptr(createmode), uintptr(attrs), uintptr(templatefile), 0, 0)
handle = int32(r0)
if handle == -1 {
errno = int(e1)
} else {
errno = 0
}
return
}
func ReadFile(handle int32, buf []byte, done *uint32, overlapped *Overlapped) (ok bool, errno int) {
var _p0 *byte
if len(buf) > 0 {
_p0 = &buf[0]
}
r0, _, e1 := Syscall6(procReadFile, uintptr(handle), uintptr(unsafe.Pointer(_p0)), uintptr(len(buf)), uintptr(unsafe.Pointer(done)), uintptr(unsafe.Pointer(overlapped)), 0)
ok = bool(r0 != 0)
if !ok {
errno = int(e1)
} else {
errno = 0
}
return
}
func WriteFile(handle int32, buf []byte, done *uint32, overlapped *Overlapped) (ok bool, errno int) {
var _p0 *byte
if len(buf) > 0 {
_p0 = &buf[0]
}
r0, _, e1 := Syscall6(procWriteFile, uintptr(handle), uintptr(unsafe.Pointer(_p0)), uintptr(len(buf)), uintptr(unsafe.Pointer(done)), uintptr(unsafe.Pointer(overlapped)), 0)
ok = bool(r0 != 0)
if !ok {
errno = int(e1)
} else {
errno = 0
}
return
}
func SetFilePointer(handle int32, lowoffset int32, highoffsetptr *int32, whence uint32) (newlowoffset uint32, errno int) {
r0, _, e1 := Syscall6(procSetFilePointer, uintptr(handle), uintptr(lowoffset), uintptr(unsafe.Pointer(highoffsetptr)), uintptr(whence), 0, 0)
newlowoffset = uint32(r0)
if newlowoffset == 0xffffffff {
errno = int(e1)
} else {
errno = 0
}
return
}
func CloseHandle(handle int32) (ok bool, errno int) {
r0, _, e1 := Syscall(procCloseHandle, uintptr(handle), 0, 0)
ok = bool(r0 != 0)
if !ok {
errno = int(e1)
} else {
errno = 0
}
return
}
func GetStdHandle(stdhandle int32) (handle int32, errno int) {
r0, _, e1 := Syscall(procGetStdHandle, uintptr(stdhandle), 0, 0)
handle = int32(r0)
if handle == -1 {
errno = int(e1)
} else {
errno = 0

111
src/pkg/syscall/ztypes_mingw_386.go
View File

@ -26,6 +26,51 @@ const (
)
const (
// Invented values to support what package os expects.
O_RDONLY = 0x00000
O_WRONLY = 0x00001
O_RDWR = 0x00002
O_CREAT = 0x00040
O_EXCL = 0x00080
O_NOCTTY = 0x00100
O_TRUNC = 0x00200
O_NONBLOCK = 0x00800
O_APPEND = 0x00400
O_SYNC = 0x01000
O_ASYNC = 0x02000
O_CLOEXEC = 0x80000
)
const (
GENERIC_READ = 0x80000000
GENERIC_WRITE = 0x40000000
GENERIC_EXECUTE = 0x20000000
GENERIC_ALL = 0x10000000
FILE_SHARE_READ = 0x00000001
FILE_SHARE_WRITE = 0x00000002
FILE_SHARE_DELETE = 0x00000004
FILE_ATTRIBUTE_READONLY = 0x00000001
FILE_ATTRIBUTE_HIDDEN = 0x00000002
FILE_ATTRIBUTE_SYSTEM = 0x00000004
FILE_ATTRIBUTE_DIRECTORY = 0x00000010
FILE_ATTRIBUTE_ARCHIVE = 0x00000020
FILE_ATTRIBUTE_NORMAL = 0x00000080
CREATE_NEW = 1
CREATE_ALWAYS = 2
OPEN_EXISTING = 3
OPEN_ALWAYS = 4
TRUNCATE_EXISTING = 5
STD_INPUT_HANDLE = -10
STD_OUTPUT_HANDLE = -11
STD_ERROR_HANDLE = -12
FILE_BEGIN = 0
FILE_CURRENT = 1
FILE_END = 2
FORMAT_MESSAGE_ALLOCATE_BUFFER = 256
FORMAT_MESSAGE_IGNORE_INSERTS = 512
FORMAT_MESSAGE_FROM_STRING = 1024
@ -49,3 +94,69 @@ type Timeval struct {
Sec int32
Usec int32
}
type Overlapped struct {
Internal uint32
InternalHigh uint32
Offset uint32
OffsetHigh uint32
HEvent *byte
}
// TODO(brainman): fix all needed for os
const (
PROT_READ = 0x1
PROT_WRITE = 0x2
MAP_SHARED = 0x1
SYS_FORK = 0
SYS_PTRACE = 0
SYS_CHDIR = 0
SYS_DUP2 = 0
SYS_FCNTL = 0
SYS_EXECVE = 0
F_GETFD = 0x1
F_SETFD = 0x2
F_GETFL = 0x3
F_SETFL = 0x4
FD_CLOEXEC = 0
S_IFMT = 0x1f000
S_IFIFO = 0x1000
S_IFCHR = 0x2000
S_IFDIR = 0x4000
S_IFBLK = 0x6000
S_IFREG = 0x8000
S_IFLNK = 0xa000
S_IFSOCK = 0xc000
S_ISUID = 0x800
S_ISGID = 0x400
S_ISVTX = 0x200
S_IRUSR = 0x100
S_IWUSR = 0x80
S_IXUSR = 0x40
)
type Stat_t struct {
Dev int64
Ino uint32
Mode uint32
Nlink uint32
Uid uint32
Gid uint32
__padding int32
Rdev int64
Size int32
Blksize int32
Blocks int32
Atime int32
Mtime int32
Ctime int32
}
type Dirent struct {
Ino uint32
Off int32
Reclen uint16
Name [256]int8
Pad0 [2]byte
}