2010-03-09 16:09:09 -07:00
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Windows system calls.
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package syscall
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2010-03-17 00:10:07 -06:00
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import (
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"unsafe"
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"utf16"
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)
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2010-03-09 16:09:09 -07:00
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2010-04-30 00:45:14 -06:00
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const OS = "windows"
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2010-03-09 16:09:09 -07:00
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/*
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small demo to detect version of windows you are running:
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package main
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import (
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"syscall"
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)
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2010-03-17 00:10:07 -06:00
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func abort(funcname string, err int) {
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2010-03-30 14:15:16 -06:00
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panic(funcname + " failed: " + syscall.Errstr(err))
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2010-03-17 00:10:07 -06:00
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}
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2010-03-09 16:09:09 -07:00
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func print_version(v uint32) {
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major := byte(v)
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minor := uint8(v >> 8)
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build := uint16(v >> 16)
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print("windows version ", major, ".", minor, " (Build ", build, ")\n")
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}
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func main() {
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h, err := syscall.LoadLibrary("kernel32.dll")
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if err != 0 {
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2010-03-17 00:10:07 -06:00
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abort("LoadLibrary", err)
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2010-03-09 16:09:09 -07:00
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}
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defer syscall.FreeLibrary(h)
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proc, err := syscall.GetProcAddress(h, "GetVersion")
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if err != 0 {
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2010-03-17 00:10:07 -06:00
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abort("GetProcAddress", err)
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2010-03-09 16:09:09 -07:00
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}
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2010-03-17 00:10:07 -06:00
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r, _, _ := syscall.Syscall(uintptr(proc), 0, 0, 0)
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2010-03-09 16:09:09 -07:00
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print_version(uint32(r))
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}
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*/
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2010-03-17 00:10:07 -06:00
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// StringToUTF16 returns the UTF-16 encoding of the UTF-8 string s,
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// with a terminating NUL added.
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func StringToUTF16(s string) []uint16 { return utf16.Encode([]int(s + "\x00")) }
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2010-03-09 16:09:09 -07:00
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2010-03-17 00:10:07 -06:00
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// UTF16ToString returns the UTF-8 encoding of the UTF-16 sequence s,
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// with a terminating NUL removed.
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func UTF16ToString(s []uint16) string {
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2010-04-13 17:30:11 -06:00
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for i, v := range s {
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if v == 0 {
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s = s[0:i]
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break
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}
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2010-03-09 16:09:09 -07:00
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}
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2010-03-17 00:10:07 -06:00
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return string(utf16.Decode(s))
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2010-03-09 16:09:09 -07:00
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}
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2010-03-17 00:10:07 -06:00
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// StringToUTF16Ptr returns pointer to the UTF-16 encoding of
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// the UTF-8 string s, with a terminating NUL added.
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func StringToUTF16Ptr(s string) *uint16 { return &StringToUTF16(s)[0] }
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2010-03-09 16:09:09 -07:00
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// dll helpers
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2010-04-30 00:45:14 -06:00
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// implemented in ../pkg/runtime/windows/syscall.cgo
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2010-03-17 00:10:07 -06:00
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func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2, lasterr uintptr)
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2010-07-25 17:43:35 -06:00
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func Syscall12(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12 uintptr) (r1, r2, lasterr uintptr)
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2010-03-09 16:09:09 -07:00
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func loadlibraryex(filename uintptr) (handle uint32)
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func getprocaddress(handle uint32, procname uintptr) (proc uintptr)
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2010-03-17 00:10:07 -06:00
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func loadDll(fname string) uint32 {
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2010-03-09 16:09:09 -07:00
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m := loadlibraryex(uintptr(unsafe.Pointer(StringBytePtr(fname))))
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if m == 0 {
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2010-03-30 14:15:16 -06:00
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panic("syscall: could not LoadLibraryEx " + fname)
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2010-03-09 16:09:09 -07:00
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}
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2010-03-17 00:10:07 -06:00
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return m
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2010-03-09 16:09:09 -07:00
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}
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2010-03-17 00:10:07 -06:00
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func getSysProcAddr(m uint32, pname string) uintptr {
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p := getprocaddress(m, uintptr(unsafe.Pointer(StringBytePtr(pname))))
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2010-03-09 16:09:09 -07:00
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if p == 0 {
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2010-03-30 14:15:16 -06:00
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panic("syscall: could not GetProcAddress for " + pname)
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2010-03-09 16:09:09 -07:00
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}
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return p
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}
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2010-03-17 00:10:07 -06:00
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// windows api calls
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//sys GetLastError() (lasterrno int)
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//sys LoadLibrary(libname string) (handle uint32, errno int) = LoadLibraryW
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//sys FreeLibrary(handle uint32) (ok bool, errno int)
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//sys GetProcAddress(module uint32, procname string) (proc uint32, errno int)
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//sys GetVersion() (ver uint32, errno int)
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//sys FormatMessage(flags uint32, msgsrc uint32, msgid uint32, langid uint32, buf []uint16, args *byte) (n uint32, errno int) = FormatMessageW
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2010-04-02 02:11:17 -06:00
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//sys ExitProcess(exitcode uint32)
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//sys CreateFile(name *uint16, access uint32, mode uint32, sa *byte, createmode uint32, attrs uint32, templatefile int32) (handle int32, errno int) [failretval=-1] = CreateFileW
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//sys ReadFile(handle int32, buf []byte, done *uint32, overlapped *Overlapped) (ok bool, errno int)
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//sys WriteFile(handle int32, buf []byte, done *uint32, overlapped *Overlapped) (ok bool, errno int)
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//sys SetFilePointer(handle int32, lowoffset int32, highoffsetptr *int32, whence uint32) (newlowoffset uint32, errno int) [failretval=0xffffffff]
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//sys CloseHandle(handle int32) (ok bool, errno int)
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//sys GetStdHandle(stdhandle int32) (handle int32, errno int) [failretval=-1]
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2010-04-13 17:30:11 -06:00
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//sys FindFirstFile(name *uint16, data *Win32finddata) (handle int32, errno int) [failretval=-1] = FindFirstFileW
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//sys FindNextFile(handle int32, data *Win32finddata) (ok bool, errno int) = FindNextFileW
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//sys FindClose(handle int32) (ok bool, errno int)
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2010-04-27 00:17:14 -06:00
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//sys GetFileInformationByHandle(handle int32, data *ByHandleFileInformation) (ok bool, errno int)
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//sys GetCurrentDirectory(buflen uint32, buf *uint16) (n uint32, errno int) = GetCurrentDirectoryW
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//sys SetCurrentDirectory(path *uint16) (ok bool, errno int) = SetCurrentDirectoryW
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//sys CreateDirectory(path *uint16, sa *byte) (ok bool, errno int) = CreateDirectoryW
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//sys RemoveDirectory(path *uint16) (ok bool, errno int) = RemoveDirectoryW
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//sys DeleteFile(path *uint16) (ok bool, errno int) = DeleteFileW
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//sys MoveFile(from *uint16, to *uint16) (ok bool, errno int) = MoveFileW
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//sys GetComputerName(buf *uint16, n *uint32) (ok bool, errno int) = GetComputerNameW
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//sys SetEndOfFile(handle int32) (ok bool, errno int)
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//sys GetSystemTimeAsFileTime(time *Filetime)
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2010-06-29 23:29:09 -06:00
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//sys sleep(msec uint32) = Sleep
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//sys GetTimeZoneInformation(tzi *Timezoneinformation) (rc uint32, errno int) [failretval=0xffffffff]
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2010-06-29 21:23:39 -06:00
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//sys CreateIoCompletionPort(filehandle int32, cphandle int32, key uint32, threadcnt uint32) (handle int32, errno int)
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//sys GetQueuedCompletionStatus(cphandle int32, qty *uint32, key *uint32, overlapped **Overlapped, timeout uint32) (ok bool, errno int)
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2010-07-25 17:43:35 -06:00
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//sys CreateProcess(appName *int16, commandLine *uint16, procSecurity *int16, threadSecurity *int16, inheritHandles bool, creationFlags uint32, env *uint16, currentDir *uint16, startupInfo *StartupInfo, outProcInfo *ProcessInformation) (ok bool, errno int) = CreateProcessW
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//sys GetStartupInfo(startupInfo *StartupInfo) (ok bool, errno int) = GetStartupInfoW
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//sys GetCurrentProcess() (pseudoHandle int32, errno int)
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//sys DuplicateHandle(hSourceProcessHandle int32, hSourceHandle int32, hTargetProcessHandle int32, lpTargetHandle *int32, dwDesiredAccess uint32, bInheritHandle bool, dwOptions uint32) (ok bool, errno int)
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//sys WaitForSingleObject(handle int32, waitMilliseconds uint32) (event uint32, errno int) [failretval=0xffffffff]
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2010-06-30 14:52:34 -06:00
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//sys GetTempPath(buflen uint32, buf *uint16) (n uint32, errno int) = GetTempPathW
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2010-07-25 23:55:01 -06:00
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//sys CreatePipe(readhandle *uint32, writehandle *uint32, lpsa *byte, size uint32) (ok bool, errno int)
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//sys GetFileType(filehandle uint32) (n uint32, errno int)
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2010-07-12 17:37:53 -06:00
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//sys CryptAcquireContext(provhandle *uint32, container *uint16, provider *uint16, provtype uint32, flags uint32) (ok bool, errno int) = advapi32.CryptAcquireContextW
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//sys CryptReleaseContext(provhandle uint32, flags uint32) (ok bool, errno int) = advapi32.CryptReleaseContext
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//sys CryptGenRandom(provhandle uint32, buflen uint32, buf *byte) (ok bool, errno int) = advapi32.CryptGenRandom
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2010-10-11 22:42:07 -06:00
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//sys OpenProcess(da uint32,b int, pid uint32) (handle uint32, errno int)
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//sys GetExitCodeProcess(h uint32, c *uint32) (ok bool, errno int)
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2010-08-12 22:29:23 -06:00
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//sys GetEnvironmentStrings() (envs *uint16, errno int) [failretval=nil] = kernel32.GetEnvironmentStringsW
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//sys FreeEnvironmentStrings(envs *uint16) (ok bool, errno int) = kernel32.FreeEnvironmentStringsW
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//sys GetEnvironmentVariable(name *uint16, buffer *uint16, size uint32) (n uint32, errno int) = kernel32.GetEnvironmentVariableW
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//sys SetEnvironmentVariable(name *uint16, value *uint16) (ok bool, errno int) = kernel32.SetEnvironmentVariableW
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2010-09-22 20:36:52 -06:00
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//sys SetFileTime(handle int32, ctime *Filetime, atime *Filetime, wtime *Filetime) (ok bool, errno int)
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2010-10-30 06:06:49 -06:00
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//sys GetFileAttributes(name *uint16) (attrs uint32, errno int) [failretval=INVALID_FILE_ATTRIBUTES] = kernel32.GetFileAttributesW
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2010-04-02 02:11:17 -06:00
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// syscall interface implementation for other packages
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2010-03-17 00:10:07 -06:00
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2010-03-19 16:21:37 -06:00
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func Errstr(errno int) string {
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2010-08-02 20:04:41 -06:00
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// deal with special go errors
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e := errno - APPLICATION_ERROR
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if 0 <= e && e < len(errors) {
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return errors[e]
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2010-03-17 00:10:07 -06:00
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}
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2010-08-02 20:04:41 -06:00
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// ask windows for the remaining errors
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2010-07-21 10:40:08 -06:00
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var flags uint32 = FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ARGUMENT_ARRAY | FORMAT_MESSAGE_IGNORE_INSERTS
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2010-04-27 00:17:14 -06:00
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b := make([]uint16, 300)
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2010-07-21 10:40:08 -06:00
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n, err := FormatMessage(flags, 0, uint32(errno), 0, b, nil)
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2010-03-17 00:10:07 -06:00
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if err != 0 {
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return "error " + str(errno) + " (FormatMessage failed with err=" + str(err) + ")"
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}
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2010-04-13 17:30:11 -06:00
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return string(utf16.Decode(b[0 : n-1]))
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2010-03-17 00:10:07 -06:00
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}
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2010-04-02 02:11:17 -06:00
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func Exit(code int) { ExitProcess(uint32(code)) }
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2010-08-03 16:34:52 -06:00
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func Open(path string, mode int, perm uint32) (fd int, errno int) {
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2010-04-02 02:11:17 -06:00
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if len(path) == 0 {
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return -1, ERROR_FILE_NOT_FOUND
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}
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2010-04-13 23:30:41 -06:00
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var access uint32
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switch mode & (O_RDONLY | O_WRONLY | O_RDWR) {
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case O_RDONLY:
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2010-04-02 02:11:17 -06:00
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access = GENERIC_READ
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2010-04-13 23:30:41 -06:00
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case O_WRONLY:
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2010-04-02 02:11:17 -06:00
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access = GENERIC_WRITE
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2010-04-13 23:30:41 -06:00
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case O_RDWR:
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2010-04-02 02:11:17 -06:00
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access = GENERIC_READ | GENERIC_WRITE
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}
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2010-04-13 23:30:41 -06:00
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if mode&O_CREAT != 0 {
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access |= GENERIC_WRITE
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}
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2010-09-21 21:12:25 -06:00
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if mode&O_APPEND != 0 {
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access &^= GENERIC_WRITE
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access |= FILE_APPEND_DATA
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}
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2010-04-13 23:30:41 -06:00
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sharemode := uint32(FILE_SHARE_READ | FILE_SHARE_WRITE)
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2010-04-02 02:11:17 -06:00
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var createmode uint32
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switch {
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case mode&O_CREAT != 0:
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if mode&O_EXCL != 0 {
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createmode = CREATE_NEW
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} else {
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createmode = CREATE_ALWAYS
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}
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case mode&O_TRUNC != 0:
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createmode = TRUNCATE_EXISTING
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default:
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createmode = OPEN_EXISTING
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}
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h, e := CreateFile(StringToUTF16Ptr(path), access, sharemode, nil, createmode, FILE_ATTRIBUTE_NORMAL, 0)
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return int(h), int(e)
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}
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func Read(fd int, p []byte) (n int, errno int) {
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var done uint32
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if ok, e := ReadFile(int32(fd), p, &done, nil); !ok {
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2010-04-30 13:46:46 -06:00
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if e == ERROR_BROKEN_PIPE {
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2010-08-24 23:26:35 -06:00
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// NOTE(brainman): work around ERROR_BROKEN_PIPE is returned on reading EOF from stdin
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2010-04-30 13:46:46 -06:00
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return 0, 0
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}
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2010-04-02 02:11:17 -06:00
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return 0, e
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}
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return int(done), 0
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}
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// TODO(brainman): ReadFile/WriteFile change file offset, therefore
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// i use Seek here to preserve semantics of unix pread/pwrite,
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// not sure if I should do that
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func Pread(fd int, p []byte, offset int64) (n int, errno int) {
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curoffset, e := Seek(fd, 0, 1)
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if e != 0 {
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return 0, e
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}
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2010-04-27 00:17:14 -06:00
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defer Seek(fd, curoffset, 0)
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var o Overlapped
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o.OffsetHigh = uint32(offset >> 32)
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o.Offset = uint32(offset)
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2010-04-02 02:11:17 -06:00
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var done uint32
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if ok, e := ReadFile(int32(fd), p, &done, &o); !ok {
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return 0, e
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}
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return int(done), 0
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}
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func Write(fd int, p []byte) (n int, errno int) {
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var done uint32
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if ok, e := WriteFile(int32(fd), p, &done, nil); !ok {
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return 0, e
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}
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return int(done), 0
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}
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func Pwrite(fd int, p []byte, offset int64) (n int, errno int) {
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curoffset, e := Seek(fd, 0, 1)
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if e != 0 {
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return 0, e
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}
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2010-04-27 00:17:14 -06:00
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defer Seek(fd, curoffset, 0)
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var o Overlapped
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o.OffsetHigh = uint32(offset >> 32)
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o.Offset = uint32(offset)
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2010-04-02 02:11:17 -06:00
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var done uint32
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if ok, e := WriteFile(int32(fd), p, &done, &o); !ok {
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return 0, e
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}
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return int(done), 0
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}
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func Seek(fd int, offset int64, whence int) (newoffset int64, errno int) {
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var w uint32
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switch whence {
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case 0:
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w = FILE_BEGIN
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case 1:
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|
|
|
w = FILE_CURRENT
|
|
|
|
case 2:
|
|
|
|
w = FILE_END
|
|
|
|
}
|
|
|
|
hi := int32(offset >> 32)
|
|
|
|
lo := int32(offset)
|
2010-07-25 23:55:01 -06:00
|
|
|
// use GetFileType to check pipe, pipe can't do seek
|
|
|
|
ft, _ := GetFileType(uint32(fd))
|
|
|
|
if ft == FILE_TYPE_PIPE {
|
|
|
|
return 0, EPIPE
|
|
|
|
}
|
2010-04-02 02:11:17 -06:00
|
|
|
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)
|
|
|
|
}
|
|
|
|
|
2010-04-13 17:30:11 -06:00
|
|
|
func Stat(path string, stat *Stat_t) (errno int) {
|
2010-10-30 06:55:22 -06:00
|
|
|
if len(path) == 0 {
|
|
|
|
return ERROR_PATH_NOT_FOUND
|
|
|
|
}
|
2010-10-30 06:06:49 -06:00
|
|
|
// Remove trailing slash.
|
|
|
|
if path[len(path)-1] == '/' || path[len(path)-1] == '\\' {
|
|
|
|
// Check if we're given root directory ("\" or "c:\").
|
|
|
|
if len(path) == 1 || (len(path) == 3 && path[1] == ':') {
|
|
|
|
// TODO(brainman): Perhaps should fetch other fields, not just FileAttributes.
|
|
|
|
stat.Windata = Win32finddata{}
|
|
|
|
a, e := GetFileAttributes(StringToUTF16Ptr(path))
|
|
|
|
if e != 0 {
|
|
|
|
return e
|
|
|
|
}
|
|
|
|
stat.Windata.FileAttributes = a
|
|
|
|
return 0
|
|
|
|
}
|
|
|
|
path = path[:len(path)-1]
|
|
|
|
}
|
2010-04-13 17:30:11 -06:00
|
|
|
h, e := FindFirstFile(StringToUTF16Ptr(path), &stat.Windata)
|
|
|
|
if e != 0 {
|
|
|
|
return e
|
|
|
|
}
|
|
|
|
defer FindClose(h)
|
|
|
|
stat.Mode = 0
|
|
|
|
return 0
|
|
|
|
}
|
|
|
|
|
|
|
|
func Lstat(path string, stat *Stat_t) (errno int) {
|
|
|
|
// no links on windows, just call Stat
|
|
|
|
return Stat(path, stat)
|
|
|
|
}
|
|
|
|
|
2010-04-27 00:17:14 -06:00
|
|
|
const ImplementsGetwd = true
|
|
|
|
|
|
|
|
func Getwd() (wd string, errno int) {
|
|
|
|
b := make([]uint16, 300)
|
|
|
|
n, e := GetCurrentDirectory(uint32(len(b)), &b[0])
|
|
|
|
if e != 0 {
|
|
|
|
return "", e
|
|
|
|
}
|
|
|
|
return string(utf16.Decode(b[0:n])), 0
|
|
|
|
}
|
|
|
|
|
|
|
|
func Chdir(path string) (errno int) {
|
|
|
|
if ok, e := SetCurrentDirectory(&StringToUTF16(path)[0]); !ok {
|
|
|
|
return e
|
|
|
|
}
|
|
|
|
return 0
|
|
|
|
}
|
|
|
|
|
2010-08-03 16:34:52 -06:00
|
|
|
func Mkdir(path string, mode uint32) (errno int) {
|
2010-04-27 00:17:14 -06:00
|
|
|
if ok, e := CreateDirectory(&StringToUTF16(path)[0], nil); !ok {
|
|
|
|
return e
|
|
|
|
}
|
|
|
|
return 0
|
|
|
|
}
|
|
|
|
|
|
|
|
func Rmdir(path string) (errno int) {
|
|
|
|
if ok, e := RemoveDirectory(&StringToUTF16(path)[0]); !ok {
|
|
|
|
return e
|
|
|
|
}
|
|
|
|
return 0
|
|
|
|
}
|
|
|
|
|
|
|
|
func Unlink(path string) (errno int) {
|
|
|
|
if ok, e := DeleteFile(&StringToUTF16(path)[0]); !ok {
|
|
|
|
return e
|
|
|
|
}
|
|
|
|
return 0
|
|
|
|
}
|
|
|
|
|
|
|
|
func Rename(oldpath, newpath string) (errno int) {
|
|
|
|
from := &StringToUTF16(oldpath)[0]
|
|
|
|
to := &StringToUTF16(newpath)[0]
|
|
|
|
if ok, e := MoveFile(from, to); !ok {
|
|
|
|
return e
|
|
|
|
}
|
|
|
|
return 0
|
|
|
|
}
|
|
|
|
|
|
|
|
func ComputerName() (name string, errno int) {
|
|
|
|
var n uint32 = MAX_COMPUTERNAME_LENGTH + 1
|
|
|
|
b := make([]uint16, n)
|
|
|
|
if ok, e := GetComputerName(&b[0], &n); !ok {
|
|
|
|
return "", e
|
|
|
|
}
|
|
|
|
return string(utf16.Decode(b[0:n])), 0
|
|
|
|
}
|
|
|
|
|
|
|
|
func Ftruncate(fd int, length int64) (errno int) {
|
|
|
|
curoffset, e := Seek(fd, 0, 1)
|
|
|
|
if e != 0 {
|
|
|
|
return e
|
|
|
|
}
|
|
|
|
defer Seek(fd, curoffset, 0)
|
|
|
|
if _, e := Seek(fd, length, 0); e != 0 {
|
|
|
|
return e
|
|
|
|
}
|
|
|
|
if _, e := SetEndOfFile(int32(fd)); e != 0 {
|
|
|
|
return e
|
|
|
|
}
|
|
|
|
return 0
|
|
|
|
}
|
|
|
|
|
|
|
|
func Gettimeofday(tv *Timeval) (errno int) {
|
|
|
|
var ft Filetime
|
|
|
|
GetSystemTimeAsFileTime(&ft)
|
2010-09-22 20:36:52 -06:00
|
|
|
*tv = NsecToTimeval(ft.Nanoseconds())
|
2010-04-27 00:17:14 -06:00
|
|
|
return 0
|
|
|
|
}
|
|
|
|
|
2010-06-29 23:29:09 -06:00
|
|
|
func Sleep(nsec int64) (errno int) {
|
|
|
|
sleep(uint32((nsec + 1e6 - 1) / 1e6)) // round up to milliseconds
|
|
|
|
return 0
|
|
|
|
}
|
|
|
|
|
2010-07-25 23:55:01 -06:00
|
|
|
func Pipe(p []int) (errno int) {
|
|
|
|
if len(p) != 2 {
|
|
|
|
return EINVAL
|
|
|
|
}
|
|
|
|
var r, w uint32
|
|
|
|
if ok, errno := CreatePipe(&r, &w, nil, 0); !ok {
|
|
|
|
return errno
|
|
|
|
}
|
|
|
|
p[0] = int(r)
|
|
|
|
p[1] = int(w)
|
|
|
|
return 0
|
|
|
|
}
|
|
|
|
|
2010-05-24 12:48:14 -06:00
|
|
|
func Utimes(path string, tv []Timeval) (errno int) {
|
2010-09-22 20:36:52 -06:00
|
|
|
if len(tv) != 2 {
|
|
|
|
return EINVAL
|
|
|
|
}
|
|
|
|
h, e := CreateFile(StringToUTF16Ptr(path),
|
|
|
|
FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil,
|
|
|
|
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0)
|
|
|
|
if e != 0 {
|
|
|
|
return e
|
|
|
|
}
|
|
|
|
defer Close(int(h))
|
|
|
|
a := NsecToFiletime(tv[0].Nanoseconds())
|
|
|
|
w := NsecToFiletime(tv[1].Nanoseconds())
|
|
|
|
if ok, e := SetFileTime(h, nil, &a, &w); !ok {
|
|
|
|
return e
|
|
|
|
}
|
|
|
|
return 0
|
2010-05-24 12:48:14 -06:00
|
|
|
}
|
|
|
|
|
2010-06-29 21:23:39 -06:00
|
|
|
// net api calls
|
|
|
|
|
|
|
|
//sys WSAStartup(verreq uint32, data *WSAData) (sockerrno int) = wsock32.WSAStartup
|
|
|
|
//sys WSACleanup() (errno int) [failretval=-1] = wsock32.WSACleanup
|
|
|
|
//sys socket(af int32, typ int32, protocol int32) (handle int32, errno int) [failretval=-1] = wsock32.socket
|
|
|
|
//sys setsockopt(s int32, level int32, optname int32, optval *byte, optlen int32) (errno int) [failretval=-1] = wsock32.setsockopt
|
|
|
|
//sys bind(s int32, name uintptr, namelen int32) (errno int) [failretval=-1] = wsock32.bind
|
|
|
|
//sys connect(s int32, name uintptr, namelen int32) (errno int) [failretval=-1] = wsock32.connect
|
|
|
|
//sys getsockname(s int32, rsa *RawSockaddrAny, addrlen *int32) (errno int) [failretval=-1] = wsock32.getsockname
|
|
|
|
//sys getpeername(s int32, rsa *RawSockaddrAny, addrlen *int32) (errno int) [failretval=-1] = wsock32.getpeername
|
|
|
|
//sys listen(s int32, backlog int32) (errno int) [failretval=-1] = wsock32.listen
|
|
|
|
//sys shutdown(s int32, how int32) (errno int) [failretval=-1] = wsock32.shutdown
|
|
|
|
//sys AcceptEx(ls uint32, as uint32, buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, recvd *uint32, overlapped *Overlapped) (ok bool, errno int) = wsock32.AcceptEx
|
|
|
|
//sys GetAcceptExSockaddrs(buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, lrsa **RawSockaddrAny, lrsalen *int32, rrsa **RawSockaddrAny, rrsalen *int32) = wsock32.GetAcceptExSockaddrs
|
|
|
|
//sys WSARecv(s uint32, bufs *WSABuf, bufcnt uint32, recvd *uint32, flags *uint32, overlapped *Overlapped, croutine *byte) (errno int) [failretval=-1] = ws2_32.WSARecv
|
|
|
|
//sys WSASend(s uint32, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, overlapped *Overlapped, croutine *byte) (errno int) [failretval=-1] = ws2_32.WSASend
|
2010-11-22 09:01:30 -07:00
|
|
|
//sys WSARecvFrom(s uint32, bufs *WSABuf, bufcnt uint32, recvd *uint32, flags *uint32, from *RawSockaddrAny, fromlen *int32, overlapped *Overlapped, croutine *byte) (errno int) [failretval=-1] = ws2_32.WSARecvFrom
|
|
|
|
//sys WSASendTo(s uint32, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, to *RawSockaddrAny, tolen int32, overlapped *Overlapped, croutine *byte) (errno int) [failretval=-1] = ws2_32.WSASendTo
|
2010-07-28 22:58:28 -06:00
|
|
|
//sys GetHostByName(name string) (h *Hostent, errno int) [failretval=nil] = ws2_32.gethostbyname
|
|
|
|
//sys GetServByName(name string, proto string) (s *Servent, errno int) [failretval=nil] = ws2_32.getservbyname
|
|
|
|
//sys Ntohs(netshort uint16) (u uint16) = ws2_32.ntohs
|
|
|
|
//sys DnsQuery(name string, qtype uint16, options uint32, extra *byte, qrs **DNSRecord, pr *byte) (status uint32) = dnsapi.DnsQuery_W
|
|
|
|
//sys DnsRecordListFree(rl *DNSRecord, freetype uint32) = dnsapi.DnsRecordListFree
|
|
|
|
|
2010-09-11 20:02:29 -06:00
|
|
|
// For testing: clients can set this flag to force
|
|
|
|
// creation of IPv6 sockets to return EAFNOSUPPORT.
|
|
|
|
var SocketDisableIPv6 bool
|
2010-06-29 21:23:39 -06:00
|
|
|
|
|
|
|
type RawSockaddrInet4 struct {
|
|
|
|
Family uint16
|
|
|
|
Port uint16
|
|
|
|
Addr [4]byte /* in_addr */
|
|
|
|
Zero [8]uint8
|
|
|
|
}
|
|
|
|
|
|
|
|
type RawSockaddr struct {
|
|
|
|
Family uint16
|
|
|
|
Data [14]int8
|
|
|
|
}
|
|
|
|
|
|
|
|
type RawSockaddrAny struct {
|
|
|
|
Addr RawSockaddr
|
|
|
|
Pad [96]int8
|
|
|
|
}
|
|
|
|
|
|
|
|
type Sockaddr interface {
|
|
|
|
sockaddr() (ptr uintptr, len int32, errno int) // lowercase; only we can define Sockaddrs
|
|
|
|
}
|
|
|
|
|
|
|
|
type SockaddrInet4 struct {
|
|
|
|
Port int
|
|
|
|
Addr [4]byte
|
|
|
|
raw RawSockaddrInet4
|
|
|
|
}
|
|
|
|
|
|
|
|
func (sa *SockaddrInet4) sockaddr() (uintptr, int32, int) {
|
|
|
|
if sa.Port < 0 || sa.Port > 0xFFFF {
|
|
|
|
return 0, 0, EINVAL
|
|
|
|
}
|
|
|
|
sa.raw.Family = AF_INET
|
|
|
|
p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
|
|
|
|
p[0] = byte(sa.Port >> 8)
|
|
|
|
p[1] = byte(sa.Port)
|
|
|
|
for i := 0; i < len(sa.Addr); i++ {
|
|
|
|
sa.raw.Addr[i] = sa.Addr[i]
|
|
|
|
}
|
|
|
|
return uintptr(unsafe.Pointer(&sa.raw)), int32(unsafe.Sizeof(sa.raw)), 0
|
|
|
|
}
|
|
|
|
|
|
|
|
type SockaddrInet6 struct {
|
|
|
|
Port int
|
|
|
|
Addr [16]byte
|
|
|
|
}
|
|
|
|
|
|
|
|
func (sa *SockaddrInet6) sockaddr() (uintptr, int32, int) {
|
|
|
|
// TODO(brainman): implement SockaddrInet6.sockaddr()
|
|
|
|
return 0, 0, EWINDOWS
|
|
|
|
}
|
|
|
|
|
|
|
|
type SockaddrUnix struct {
|
|
|
|
Name string
|
|
|
|
}
|
|
|
|
|
|
|
|
func (sa *SockaddrUnix) sockaddr() (uintptr, int32, int) {
|
|
|
|
// TODO(brainman): implement SockaddrUnix.sockaddr()
|
|
|
|
return 0, 0, EWINDOWS
|
|
|
|
}
|
|
|
|
|
|
|
|
func (rsa *RawSockaddrAny) Sockaddr() (Sockaddr, int) {
|
|
|
|
switch rsa.Addr.Family {
|
|
|
|
case AF_UNIX:
|
|
|
|
return nil, EWINDOWS
|
|
|
|
|
|
|
|
case AF_INET:
|
|
|
|
pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
|
|
|
|
sa := new(SockaddrInet4)
|
|
|
|
p := (*[2]byte)(unsafe.Pointer(&pp.Port))
|
|
|
|
sa.Port = int(p[0])<<8 + int(p[1])
|
|
|
|
for i := 0; i < len(sa.Addr); i++ {
|
|
|
|
sa.Addr[i] = pp.Addr[i]
|
|
|
|
}
|
|
|
|
return sa, 0
|
|
|
|
|
|
|
|
case AF_INET6:
|
|
|
|
return nil, EWINDOWS
|
|
|
|
}
|
|
|
|
return nil, EAFNOSUPPORT
|
|
|
|
}
|
|
|
|
|
|
|
|
func Socket(domain, typ, proto int) (fd, errno int) {
|
2010-09-11 20:02:29 -06:00
|
|
|
if domain == AF_INET6 && SocketDisableIPv6 {
|
|
|
|
return -1, EAFNOSUPPORT
|
|
|
|
}
|
2010-06-29 21:23:39 -06:00
|
|
|
h, e := socket(int32(domain), int32(typ), int32(proto))
|
|
|
|
return int(h), int(e)
|
|
|
|
}
|
|
|
|
|
|
|
|
func SetsockoptInt(fd, level, opt int, value int) (errno int) {
|
|
|
|
v := int32(value)
|
|
|
|
return int(setsockopt(int32(fd), int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), int32(unsafe.Sizeof(v))))
|
|
|
|
}
|
|
|
|
|
|
|
|
func Bind(fd int, sa Sockaddr) (errno int) {
|
|
|
|
ptr, n, err := sa.sockaddr()
|
|
|
|
if err != 0 {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
return bind(int32(fd), ptr, n)
|
|
|
|
}
|
|
|
|
|
|
|
|
func Connect(fd int, sa Sockaddr) (errno int) {
|
|
|
|
ptr, n, err := sa.sockaddr()
|
|
|
|
if err != 0 {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
return connect(int32(fd), ptr, n)
|
|
|
|
}
|
|
|
|
|
|
|
|
func Getsockname(fd int) (sa Sockaddr, errno int) {
|
|
|
|
var rsa RawSockaddrAny
|
|
|
|
l := int32(unsafe.Sizeof(rsa))
|
|
|
|
if errno = getsockname(int32(fd), &rsa, &l); errno != 0 {
|
|
|
|
return
|
|
|
|
}
|
|
|
|
return rsa.Sockaddr()
|
|
|
|
}
|
|
|
|
|
|
|
|
func Getpeername(fd int) (sa Sockaddr, errno int) {
|
|
|
|
var rsa RawSockaddrAny
|
|
|
|
l := int32(unsafe.Sizeof(rsa))
|
|
|
|
if errno = getpeername(int32(fd), &rsa, &l); errno != 0 {
|
|
|
|
return
|
|
|
|
}
|
|
|
|
return rsa.Sockaddr()
|
|
|
|
}
|
|
|
|
|
|
|
|
func Listen(s int, n int) (errno int) {
|
|
|
|
return int(listen(int32(s), int32(n)))
|
|
|
|
}
|
|
|
|
|
|
|
|
func Shutdown(fd, how int) (errno int) {
|
|
|
|
return int(shutdown(int32(fd), int32(how)))
|
|
|
|
}
|
|
|
|
|
|
|
|
func AcceptIOCP(iocpfd, fd int, o *Overlapped) (attrs *byte, errno int) {
|
|
|
|
// Will ask for local and remote address only.
|
|
|
|
rsa := make([]RawSockaddrAny, 2)
|
|
|
|
attrs = (*byte)(unsafe.Pointer(&rsa[0]))
|
|
|
|
alen := uint32(unsafe.Sizeof(rsa[0]))
|
|
|
|
var done uint32
|
|
|
|
_, errno = AcceptEx(uint32(iocpfd), uint32(fd), attrs, 0, alen, alen, &done, o)
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
|
|
|
func GetAcceptIOCPSockaddrs(attrs *byte) (lsa, rsa Sockaddr) {
|
|
|
|
var lrsa, rrsa *RawSockaddrAny
|
|
|
|
var llen, rlen int32
|
|
|
|
alen := uint32(unsafe.Sizeof(*lrsa))
|
|
|
|
GetAcceptExSockaddrs(attrs, 0, alen, alen, &lrsa, &llen, &rrsa, &rlen)
|
|
|
|
lsa, _ = lrsa.Sockaddr()
|
|
|
|
rsa, _ = rrsa.Sockaddr()
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
2010-11-22 09:01:30 -07:00
|
|
|
func WSASendto(s uint32, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, to Sockaddr, overlapped *Overlapped, croutine *byte) (errno int) {
|
|
|
|
rsa, l, err := to.sockaddr()
|
|
|
|
if err != 0 {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
errno = WSASendTo(s, bufs, bufcnt, sent, flags, (*RawSockaddrAny)(unsafe.Pointer(rsa)), l, overlapped, croutine)
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
2010-06-29 21:23:39 -06:00
|
|
|
// TODO(brainman): fix all needed for net
|
|
|
|
|
|
|
|
func Accept(fd int) (nfd int, sa Sockaddr, errno int) { return 0, nil, EWINDOWS }
|
|
|
|
func Recvfrom(fd int, p []byte, flags int) (n int, from Sockaddr, errno int) { return 0, nil, EWINDOWS }
|
|
|
|
func Sendto(fd int, p []byte, flags int, to Sockaddr) (errno int) { return EWINDOWS }
|
|
|
|
func SetsockoptTimeval(fd, level, opt int, tv *Timeval) (errno int) { return EWINDOWS }
|
|
|
|
|
|
|
|
type Linger struct {
|
|
|
|
Onoff int32
|
|
|
|
Linger int32
|
|
|
|
}
|
|
|
|
|
|
|
|
func SetsockoptLinger(fd, level, opt int, l *Linger) (errno int) { return EWINDOWS }
|
|
|
|
func BindToDevice(fd int, device string) (errno int) { return EWINDOWS }
|
|
|
|
|
2010-04-02 02:11:17 -06:00
|
|
|
// TODO(brainman): fix all needed for os
|
|
|
|
|
|
|
|
const (
|
|
|
|
SIGTRAP = 5
|
|
|
|
)
|
|
|
|
|
|
|
|
func Getpid() (pid int) { return -1 }
|
|
|
|
func Getppid() (ppid int) { return -1 }
|
|
|
|
|
2010-04-30 00:45:14 -06:00
|
|
|
func Fchdir(fd int) (errno int) { return EWINDOWS }
|
|
|
|
func Link(oldpath, newpath string) (errno int) { return EWINDOWS }
|
|
|
|
func Symlink(path, link string) (errno int) { return EWINDOWS }
|
|
|
|
func Readlink(path string, buf []byte) (n int, errno int) { return 0, EWINDOWS }
|
2010-08-03 16:34:52 -06:00
|
|
|
func Chmod(path string, mode uint32) (errno int) { return EWINDOWS }
|
|
|
|
func Fchmod(fd int, mode uint32) (errno int) { return EWINDOWS }
|
2010-04-30 00:45:14 -06:00
|
|
|
func Chown(path string, uid int, gid int) (errno int) { return EWINDOWS }
|
|
|
|
func Lchown(path string, uid int, gid int) (errno int) { return EWINDOWS }
|
|
|
|
func Fchown(fd int, uid int, gid int) (errno int) { return EWINDOWS }
|
2010-04-02 02:11:17 -06:00
|
|
|
|
2010-04-27 00:17:14 -06:00
|
|
|
func Getuid() (uid int) { return -1 }
|
|
|
|
func Geteuid() (euid int) { return -1 }
|
|
|
|
func Getgid() (gid int) { return -1 }
|
|
|
|
func Getegid() (egid int) { return -1 }
|
2010-04-30 00:45:14 -06:00
|
|
|
func Getgroups() (gids []int, errno int) { return nil, EWINDOWS }
|
2010-04-02 02:11:17 -06:00
|
|
|
|
2010-03-09 16:09:09 -07:00
|
|
|
// TODO(brainman): fix all this meaningless code, it is here to compile exec.go
|
|
|
|
|
2010-03-17 00:10:07 -06:00
|
|
|
func read(fd int, buf *byte, nbuf int) (n int, errno int) {
|
2010-04-30 00:45:14 -06:00
|
|
|
return 0, EWINDOWS
|
2010-03-17 00:10:07 -06:00
|
|
|
}
|
2010-03-09 16:09:09 -07:00
|
|
|
|
|
|
|
func fcntl(fd, cmd, arg int) (val int, errno int) {
|
2010-04-30 00:45:14 -06:00
|
|
|
return 0, EWINDOWS
|
2010-03-09 16:09:09 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
const (
|
2010-04-02 02:11:17 -06:00
|
|
|
PTRACE_TRACEME = 1 + iota
|
|
|
|
WNOHANG
|
|
|
|
WSTOPPED
|
2010-03-09 16:09:09 -07:00
|
|
|
SYS_CLOSE
|
|
|
|
SYS_WRITE
|
|
|
|
SYS_EXIT
|
|
|
|
SYS_READ
|
|
|
|
)
|
|
|
|
|
|
|
|
type Rusage struct {
|
|
|
|
Utime Timeval
|
|
|
|
Stime Timeval
|
|
|
|
Maxrss int32
|
|
|
|
Ixrss int32
|
|
|
|
Idrss int32
|
|
|
|
Isrss int32
|
|
|
|
Minflt int32
|
|
|
|
Majflt int32
|
|
|
|
Nswap int32
|
|
|
|
Inblock int32
|
|
|
|
Oublock int32
|
|
|
|
Msgsnd int32
|
|
|
|
Msgrcv int32
|
|
|
|
Nsignals int32
|
|
|
|
Nvcsw int32
|
|
|
|
Nivcsw int32
|
|
|
|
}
|
|
|
|
|
2010-10-11 22:42:07 -06:00
|
|
|
type WaitStatus struct {
|
|
|
|
Status uint32
|
|
|
|
ExitCode uint32
|
|
|
|
}
|
|
|
|
|
2010-03-09 16:09:09 -07:00
|
|
|
func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, errno int) {
|
2010-10-11 22:42:07 -06:00
|
|
|
handle, errno := OpenProcess(PROCESS_ALL_ACCESS, 0, uint32(pid))
|
|
|
|
if errno != 0 {
|
|
|
|
return 0, errno
|
|
|
|
}
|
|
|
|
defer CloseHandle(int32(handle))
|
|
|
|
e, errno := WaitForSingleObject(int32(handle), INFINITE)
|
|
|
|
var c uint32
|
|
|
|
if ok, errno := GetExitCodeProcess(handle, &c); !ok {
|
|
|
|
return 0, errno
|
|
|
|
}
|
|
|
|
*wstatus = WaitStatus{e, c}
|
|
|
|
return pid, 0
|
2010-03-09 16:09:09 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-10-11 22:42:07 -06:00
|
|
|
func (w WaitStatus) Exited() bool { return w.Status == WAIT_OBJECT_0 }
|
2010-03-09 16:09:09 -07:00
|
|
|
|
2010-10-11 22:42:07 -06:00
|
|
|
func (w WaitStatus) ExitStatus() int {
|
|
|
|
if w.Status == WAIT_OBJECT_0 {
|
|
|
|
return int(w.ExitCode)
|
|
|
|
}
|
|
|
|
return -1
|
|
|
|
}
|
2010-03-09 16:09:09 -07:00
|
|
|
|
|
|
|
func (WaitStatus) Signal() int { return -1 }
|
|
|
|
|
|
|
|
func (WaitStatus) CoreDump() bool { return false }
|
|
|
|
|
|
|
|
func (WaitStatus) Stopped() bool { return false }
|
|
|
|
|
|
|
|
func (WaitStatus) Continued() bool { return false }
|
|
|
|
|
|
|
|
func (WaitStatus) StopSignal() int { return -1 }
|
|
|
|
|
2010-10-11 22:42:07 -06:00
|
|
|
func (w WaitStatus) Signaled() bool { return w.Status == WAIT_OBJECT_0 }
|
2010-03-09 16:09:09 -07:00
|
|
|
|
|
|
|
func (WaitStatus) TrapCause() int { return -1 }
|