Source: fd_opendir_darwin.go in package internal/poll

Source File
	fd_opendir_darwin.go

Belonging Package
	internal/poll


package poll

import (
	"syscall"
	_ "unsafe" // for go:linkname
)

OpenDir returns a pointer to a DIR structure suitable for ReadDir. In case of an error, the name of the failed syscall is returned along with a syscall.Errno.

fdopendir(3) takes control of the file descriptor, so use a dup.

	fd2, call, err := fd.Dup()
	if err != nil {
		return 0, call, err
	}
	var dir uintptr
	for {
		dir, err = fdopendir(fd2)
		if err != syscall.EINTR {
			break
		}
	}
	if err != nil {
		syscall.Close(fd2)
		return 0, "fdopendir", err
	}
	return dir, "", nil
}

Implemented in syscall/syscall_darwin.go.go:linkname fdopendir syscall.fdopendir


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