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Current Path: /opt/golang/1.22.0/src/os

📁 ..
📄 dir.go(4.4 KB)
📄 dir_darwin.go(3.34 KB)
📄 dir_plan9.go(2.1 KB)
📄 dir_unix.go(5.24 KB)
📄 dir_windows.go(7.17 KB)
📄 dirent_aix.go(759 B)
📄 dirent_dragonfly.go(1.28 KB)
📄 dirent_freebsd.go(1.16 KB)
📄 dirent_js.go(678 B)
📄 dirent_linux.go(1.18 KB)
📄 dirent_netbsd.go(1.16 KB)
📄 dirent_openbsd.go(1.16 KB)
📄 dirent_solaris.go(759 B)
📄 dirent_wasip1.go(1.36 KB)
📄 endian_big.go(244 B)
📄 endian_little.go(304 B)
📄 env.go(3.85 KB)
📄 env_test.go(5.04 KB)
📄 env_unix_test.go(1.22 KB)
📄 error.go(4.76 KB)
📄 error_errno.go(247 B)
📄 error_plan9.go(234 B)
📄 error_posix.go(538 B)
📄 error_test.go(4.92 KB)
📄 error_unix_test.go(1.49 KB)
📄 error_windows_test.go(1.72 KB)
📄 example_test.go(8.39 KB)
📁 exec
📄 exec.go(6.01 KB)
📄 exec_plan9.go(3.27 KB)
📄 exec_posix.go(3.44 KB)
📄 exec_unix.go(2.09 KB)
📄 exec_unix_test.go(999 B)
📄 exec_windows.go(4.57 KB)
📄 exec_windows_test.go(1.78 KB)
📄 executable.go(774 B)
📄 executable_darwin.go(613 B)
📄 executable_dragonfly.go(293 B)
📄 executable_freebsd.go(292 B)
📄 executable_path.go(2.31 KB)
📄 executable_plan9.go(427 B)
📄 executable_procfs.go(904 B)
📄 executable_solaris.go(695 B)
📄 executable_sysctl.go(891 B)
📄 executable_test.go(3.4 KB)
📄 executable_wasm.go(333 B)
📄 executable_windows.go(641 B)
📄 export_linux_test.go(337 B)
📄 export_test.go(433 B)
📄 export_unix_test.go(241 B)
📄 export_windows_test.go(395 B)
📄 fifo_test.go(4.62 KB)
📄 file.go(24.91 KB)
📄 file_mutex_plan9.go(1.81 KB)
📄 file_open_unix.go(397 B)
📄 file_open_wasip1.go(818 B)
📄 file_plan9.go(15.99 KB)
📄 file_posix.go(7.1 KB)
📄 file_unix.go(14.05 KB)
📄 file_wasip1.go(633 B)
📄 file_windows.go(12.65 KB)
📄 getwd.go(2.52 KB)
📄 os_test.go(77.07 KB)
📄 os_unix_test.go(11.47 KB)
📄 os_windows_test.go(41.83 KB)
📄 path.go(2.27 KB)
📄 path_plan9.go(492 B)
📄 path_test.go(2.96 KB)
📄 path_unix.go(1.56 KB)
📄 path_windows.go(5.66 KB)
📄 path_windows_test.go(4.03 KB)
📄 pipe2_unix.go(640 B)
📄 pipe_test.go(12.41 KB)
📄 pipe_unix.go(760 B)
📄 pipe_wasm.go(488 B)
📄 proc.go(2.27 KB)
📄 rawconn.go(993 B)
📄 rawconn_test.go(1.15 KB)
📄 read_test.go(3.2 KB)
📄 readfrom_linux_test.go(20.3 KB)
📄 removeall_at.go(4.91 KB)
📄 removeall_noat.go(3.13 KB)
📄 removeall_test.go(11.96 KB)
📁 signal
📄 stat.go(965 B)
📄 stat_aix.go(1.18 KB)
📄 stat_darwin.go(1.09 KB)
📄 stat_dragonfly.go(1.06 KB)
📄 stat_freebsd.go(1.07 KB)
📄 stat_js.go(1.11 KB)
📄 stat_linux.go(1.06 KB)
📄 stat_netbsd.go(1.07 KB)
📄 stat_openbsd.go(1.06 KB)
📄 stat_plan9.go(2.37 KB)
📄 stat_solaris.go(1.3 KB)
📄 stat_test.go(6.46 KB)
📄 stat_unix.go(1.23 KB)
📄 stat_wasip1.go(956 B)
📄 stat_windows.go(4.93 KB)
📄 sticky_bsd.go(425 B)
📄 sticky_notbsd.go(320 B)
📄 sys.go(294 B)
📄 sys_aix.go(682 B)
📄 sys_bsd.go(466 B)
📄 sys_js.go(313 B)
📄 sys_linux.go(1.04 KB)
📄 sys_plan9.go(453 B)
📄 sys_solaris.go(265 B)
📄 sys_unix.go(493 B)
📄 sys_wasip1.go(309 B)
📄 sys_windows.go(874 B)
📄 tempfile.go(3.8 KB)
📄 tempfile_test.go(5.49 KB)
📁 testdata
📄 timeout_test.go(17.09 KB)
📄 types.go(2.79 KB)
📄 types_plan9.go(797 B)
📄 types_unix.go(776 B)
📄 types_windows.go(10.01 KB)
📁 user
📄 wait6_dragonfly.go(496 B)
📄 wait6_freebsd64.go(547 B)
📄 wait6_freebsd_386.go(544 B)
📄 wait6_freebsd_arm.go(549 B)
📄 wait6_netbsd.go(534 B)
📄 wait_unimp.go(831 B)
📄 wait_wait6.go(781 B)
📄 wait_waitid.go(1.32 KB)
📄 writeto_linux_test.go(4.21 KB)
📄 zero_copy_linux.go(4.38 KB)
📄 zero_copy_stub.go(406 B)

Editing: exec_windows.go

// 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 (
	"errors"
	"internal/syscall/windows"
	"runtime"
	"sync/atomic"
	"syscall"
	"time"
)

func (p *Process) wait() (ps *ProcessState, err error) {
	handle := atomic.LoadUintptr(&p.handle)
	s, e := syscall.WaitForSingleObject(syscall.Handle(handle), syscall.INFINITE)
	switch s {
	case syscall.WAIT_OBJECT_0:
		break
	case syscall.WAIT_FAILED:
		return nil, NewSyscallError("WaitForSingleObject", e)
	default:
		return nil, errors.New("os: unexpected result from WaitForSingleObject")
	}
	var ec uint32
	e = syscall.GetExitCodeProcess(syscall.Handle(handle), &ec)
	if e != nil {
		return nil, NewSyscallError("GetExitCodeProcess", e)
	}
	var u syscall.Rusage
	e = syscall.GetProcessTimes(syscall.Handle(handle), &u.CreationTime, &u.ExitTime, &u.KernelTime, &u.UserTime)
	if e != nil {
		return nil, NewSyscallError("GetProcessTimes", e)
	}
	p.setDone()
	defer p.Release()
	return &ProcessState{p.Pid, syscall.WaitStatus{ExitCode: ec}, &u}, nil
}

func (p *Process) signal(sig Signal) error {
	handle := atomic.LoadUintptr(&p.handle)
	if handle == uintptr(syscall.InvalidHandle) {
		return syscall.EINVAL
	}
	if p.done() {
		return ErrProcessDone
	}
	if sig == Kill {
		var terminationHandle syscall.Handle
		e := syscall.DuplicateHandle(^syscall.Handle(0), syscall.Handle(handle), ^syscall.Handle(0), &terminationHandle, syscall.PROCESS_TERMINATE, false, 0)
		if e != nil {
			return NewSyscallError("DuplicateHandle", e)
		}
		runtime.KeepAlive(p)
		defer syscall.CloseHandle(terminationHandle)
		e = syscall.TerminateProcess(syscall.Handle(terminationHandle), 1)
		return NewSyscallError("TerminateProcess", e)
	}
	// TODO(rsc): Handle Interrupt too?
	return syscall.Errno(syscall.EWINDOWS)
}

func (p *Process) release() error {
	handle := atomic.SwapUintptr(&p.handle, uintptr(syscall.InvalidHandle))
	if handle == uintptr(syscall.InvalidHandle) {
		return syscall.EINVAL
	}
	e := syscall.CloseHandle(syscall.Handle(handle))
	if e != nil {
		return NewSyscallError("CloseHandle", e)
	}
	// no need for a finalizer anymore
	runtime.SetFinalizer(p, nil)
	return nil
}

func findProcess(pid int) (p *Process, err error) {
	const da = syscall.STANDARD_RIGHTS_READ |
		syscall.PROCESS_QUERY_INFORMATION | syscall.SYNCHRONIZE
	h, e := syscall.OpenProcess(da, false, uint32(pid))
	if e != nil {
		return nil, NewSyscallError("OpenProcess", e)
	}
	return newProcess(pid, uintptr(h)), nil
}

func init() {
	cmd := windows.UTF16PtrToString(syscall.GetCommandLine())
	if len(cmd) == 0 {
		arg0, _ := Executable()
		Args = []string{arg0}
	} else {
		Args = commandLineToArgv(cmd)
	}
}

// appendBSBytes appends n '\\' bytes to b and returns the resulting slice.
func appendBSBytes(b []byte, n int) []byte {
	for ; n > 0; n-- {
		b = append(b, '\\')
	}
	return b
}

// readNextArg splits command line string cmd into next
// argument and command line remainder.
func readNextArg(cmd string) (arg []byte, rest string) {
	var b []byte
	var inquote bool
	var nslash int
	for ; len(cmd) > 0; cmd = cmd[1:] {
		c := cmd[0]
		switch c {
		case ' ', '\t':
			if !inquote {
				return appendBSBytes(b, nslash), cmd[1:]
			}
		case '"':
			b = appendBSBytes(b, nslash/2)
			if nslash%2 == 0 {
				// use "Prior to 2008" rule from
				// http://daviddeley.com/autohotkey/parameters/parameters.htm
				// section 5.2 to deal with double double quotes
				if inquote && len(cmd) > 1 && cmd[1] == '"' {
					b = append(b, c)
					cmd = cmd[1:]
				}
				inquote = !inquote
			} else {
				b = append(b, c)
			}
			nslash = 0
			continue
		case '\\':
			nslash++
			continue
		}
		b = appendBSBytes(b, nslash)
		nslash = 0
		b = append(b, c)
	}
	return appendBSBytes(b, nslash), ""
}

// commandLineToArgv splits a command line into individual argument
// strings, following the Windows conventions documented
// at http://daviddeley.com/autohotkey/parameters/parameters.htm#WINARGV
func commandLineToArgv(cmd string) []string {
	var args []string
	for len(cmd) > 0 {
		if cmd[0] == ' ' || cmd[0] == '\t' {
			cmd = cmd[1:]
			continue
		}
		var arg []byte
		arg, cmd = readNextArg(cmd)
		args = append(args, string(arg))
	}
	return args
}

func ftToDuration(ft *syscall.Filetime) time.Duration {
	n := int64(ft.HighDateTime)<<32 + int64(ft.LowDateTime) // in 100-nanosecond intervals
	return time.Duration(n*100) * time.Nanosecond
}

func (p *ProcessState) userTime() time.Duration {
	return ftToDuration(&p.rusage.UserTime)
}

func (p *ProcessState) systemTime() time.Duration {
	return ftToDuration(&p.rusage.KernelTime)
}

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Editing: exec_windows.go

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