#include <errno.h>
#include <signal.h>
*/
import "C"

const (
	EINTR     = C.EINTR
	EFAULT    = C.EFAULT
	EBUSY     = C.EBUSY
	EAGAIN    = C.EAGAIN
	ETIMEDOUT = C.ETIMEDOUT

	O_WRONLY   = C.O_WRONLY
	O_NONBLOCK = C.O_NONBLOCK
	O_CREAT    = C.O_CREAT
	O_TRUNC    = C.O_TRUNC
	O_CLOEXEC  = C.O_CLOEXEC

	PROT_NONE  = C.PROT_NONE
	PROT_READ  = C.PROT_READ
	PROT_WRITE = C.PROT_WRITE

#include <sys/time.h>
#include <sys/ucontext.h>
#include <sys/unistd.h>
#include <errno.h>
#include <signal.h>
*/
import "C"

const (
	EINTR  = C.EINTR
	EFAULT = C.EFAULT
	EAGAIN = C.EAGAIN

	O_WRONLY   = C.O_WRONLY
	O_NONBLOCK = C.O_NONBLOCK
	O_CREAT    = C.O_CREAT
	O_TRUNC    = C.O_TRUNC
	O_CLOEXEC  = C.O_CLOEXEC

	PROT_NONE  = C.PROT_NONE
	PROT_READ  = C.PROT_READ
	PROT_WRITE = C.PROT_WRITE

	certFile, err := os.OpenFile(certPath, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0666)
	if err != nil {
		t.Fatalf("Failed to create cert file %s: %v", certPath, err)
	}
	certFile.Close()

	keyPath := filepath.Join(tmpdir, constants.APIServerKeyName)
	keyFile, err := os.OpenFile(keyPath, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0666)
	if err != nil {
		t.Fatalf("Failed to create key file %s: %v", keyPath, err)
	}

	EVFILT_USER  = C.EVFILT_USER

	NOTE_TRIGGER = C.NOTE_TRIGGER

	PTHREAD_CREATE_DETACHED = C.PTHREAD_CREATE_DETACHED

	F_GETFL = C.F_GETFL
	F_SETFL = C.F_SETFL

	O_WRONLY   = C.O_WRONLY
	O_NONBLOCK = C.O_NONBLOCK
	O_CREAT    = C.O_CREAT
	O_TRUNC    = C.O_TRUNC

	VM_REGION_BASIC_INFO_COUNT_64 = C.VM_REGION_BASIC_INFO_COUNT_64
	VM_REGION_BASIC_INFO_64       = C.VM_REGION_BASIC_INFO_64
)

	_CPU_WHICH_PID   = C.CPU_WHICH_PID   // Specifies a process id.
)

const (
	EINTR     = C.EINTR
	EFAULT    = C.EFAULT
	EAGAIN    = C.EAGAIN
	ETIMEDOUT = C.ETIMEDOUT

	O_WRONLY   = C.O_WRONLY
	O_NONBLOCK = C.O_NONBLOCK
	O_CREAT    = C.O_CREAT
	O_TRUNC    = C.O_TRUNC
	O_CLOEXEC  = C.O_CLOEXEC

	PROT_NONE  = C.PROT_NONE
	PROT_READ  = C.PROT_READ
	PROT_WRITE = C.PROT_WRITE

	rc := make(chan *os.File, 1)
	go func() {
		r, err := os.Open(fifoName)
		if err != nil {
			t.Error(err)
		}
		rc <- r
	}()

	w, err := os.OpenFile(fifoName, os.O_WRONLY, 0)
	if err != nil {
		t.Error(err)
	}

	r := <-rc
	if t.Failed() {
		if r != nil {
			r.Close()
		}
		if w != nil {
			w.Close()
		}
		return
	}

	testPipeEOF(t, r, w)
}

	if err != nil {
		return err
	}

	sourceFile, err := os.Open(src)
	if err != nil {
		return err
	}
	defer func() {
		_ = sourceFile.Close()
	}()

	destFile, err := os.OpenFile(dest, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, sourceFileInfo.Mode())
	if err != nil {
		return err
	}
	defer func() {
		_ = destFile.Close()
	}()

	_, err = io.Copy(destFile, sourceFile)

	return err
}

	}
	defer inf.Close()

	fi, err := inf.Stat()
	if err != nil {
		fatal("accessing input meta-data file %s: %v", inpath, err)
	}

	outf, err := os.OpenFile(outpath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, fi.Mode())
	if err != nil {
		fatal("opening output meta-data file %s: %v", outpath, err)
	}

	_, err = io.Copy(outf, inf)
	outf.Close()
	if err != nil {

func (s *DependenciesStub) writeAllToDryRunPath() error {
	path := DryRunFilePath.Get()
	if path != "" {
		// Print the input into the given output file.
		f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, 0o644)
		if err != nil {
			return fmt.Errorf("unable to open dry run output file %v: %v", path, err)
		}

		defer f.Close()

		for _, line := range s.ExecutedAll {
			_, err := f.WriteString(line + "\n")

	}

	return newPIDProcess(pid), nil
}

func (p *Process) writeProcFile(file string, data string) error {
	f, e := OpenFile("/proc/"+itoa.Itoa(p.Pid)+"/"+file, O_WRONLY, 0)
	if e != nil {
		return e
	}
	defer f.Close()
	_, e = f.Write([]byte(data))
	return e
}

func (p *Process) signal(sig Signal) error {
	switch p.pidStatus() {
	case statusDone: