}
		return nil
	}

	// Write out entries for each live function.
	emitter := func(pkid uint32, funcid uint32, counters []uint32) error {
		cfw.csh.FcnEntries++
		if err := wrval(uint32(len(counters))); err != nil {
			return err
		}

		if err := wrval(pkid); err != nil {
			return err
		}

		if err := wrval(funcid); err != nil {
			return err
		}

	slot := len(Meta.List)
	Meta.List = append(Meta.List, CovMetaBlob{
		P:                  (*byte)(p),
		Len:                dlen,
		Hash:               hash,
		PkgPath:            pkgpath,
		PkgID:              pkgid,
		CounterMode:        cmode,
		CounterGranularity: cgran,
	})
	if pkgid != -1 {
		if Meta.PkgMap == nil {

		}
	}

	// Visit meta-data file.
	np := uint32(mfr.NumPackages())
	payload := []byte{}
	for pkIdx := uint32(0); pkIdx < np; pkIdx++ {
		var pd *decodemeta.CoverageMetaDataDecoder
		pd, payload, err = mfr.GetPackageDecoder(pkIdx, payload)
		if err != nil {
			return fmt.Errorf("reading pkg %d from meta-file %s: %s", pkIdx, p.MetaFile, err)
		}
		ts.cf.SetPackage(pd.PackagePath())
		importpaths[pd.PackagePath()] = struct{}{}

)

func Tcgetpgrp(fd int) (pgid int32, err error) {
	_, _, errno := Syscall6(SYS_IOCTL, uintptr(fd), uintptr(TIOCGPGRP), uintptr(unsafe.Pointer(&pgid)), 0, 0, 0)
	if errno != 0 {
		return -1, errno
	}
	return pgid, nil
}

func Tcsetpgrp(fd int, pgid int32) (err error) {
	_, _, errno := Syscall6(SYS_IOCTL, uintptr(fd), uintptr(TIOCSPGRP), uintptr(unsafe.Pointer(&pgid)), 0, 0, 0)
	if errno != 0 {
		return errno
	}

)

// The compiler emits calls to runtime.addCovMeta
// but this code has moved to rtcov.AddMeta.
func addCovMeta(p unsafe.Pointer, dlen uint32, hash [16]byte, pkgpath string, pkgid int, cmode uint8, cgran uint8) uint32 {
	id := rtcov.AddMeta(p, dlen, hash, pkgpath, pkgid, cmode, cgran)
	if id == 0 {
		throw("runtime.addCovMeta: coverage package map collision")
	}
	return id

	}

	return convertESRCH(syscall.Kill(p.Pid, s))
}

func convertESRCH(err error) error {
	if err == syscall.ESRCH {
		return ErrProcessDone
	}
	return err
}

func (p *Process) release() error {
	// We clear the Pid field only for API compatibility. On Unix, Release
	// has always set Pid to -1. Internally, the implementation relies

		return nil, ErrInvalid
	}

	err = syscall.WaitProcess(p.Pid, &waitmsg)
	if err != nil {
		return nil, NewSyscallError("wait", err)
	}

	p.pidDeactivate(statusDone)
	ps = &ProcessState{
		pid:    waitmsg.Pid,
		status: &waitmsg,
	}
	return ps, nil
}

func (p *Process) release() error {
	p.Pid = -1

	// Just mark the PID unusable.
	p.pidDeactivate(statusReleased)

            encoder.writeSmallInt(context.javaVersion.asInt());
            encoder.writeString(context.daemonRegistryDir.getPath());
            encoder.writeBoolean(context.pid != null);
            if (context.pid != null) {
                encoder.writeLong(context.pid);
            }
            encoder.writeBoolean(context.idleTimeout != null);
            if (context.idleTimeout != null) {

	l := p.local                              // load-consume
	if uintptr(pid) < s {
		return indexLocal(l, pid), pid
	}
	return p.pinSlow()
}

func (p *Pool) pinSlow() (*poolLocal, int) {
	// Retry under the mutex.
	// Can not lock the mutex while pinned.
	runtime_procUnpin()
	allPoolsMu.Lock()
	defer allPoolsMu.Unlock()
	pid := runtime_procPin()
	// poolCleanup won't be called while we are pinned.

It could be just one or two lines of code, like:

```Python
callback_url = "https://example.com/api/v1/invoices/events/"
httpx.post(callback_url, json={"description": "Invoice paid", "paid": True})
```