package dlopen

import "github.com/coreos/go-systemd/v22/internal/dlopen"

Package dlopen provides some convenience functions to dlopen a library and get its symbols.

Index ¶

• Variables
• type LibHandle
• func GetHandle(libs []string) (*LibHandle, error)
• func (l *LibHandle) Close() error
• func (l *LibHandle) GetSymbolPointer(symbol string) (unsafe.Pointer, error)

Variables ¶

var ErrSoNotFound = errors.New("unable to open a handle to the library")

Types ¶

type LibHandle ¶

type LibHandle struct {
	Handle  unsafe.Pointer
	Libname string
}

LibHandle represents an open handle to a library (.so)

func GetHandle ¶

func GetHandle(libs []string) (*LibHandle, error)

GetHandle tries to get a handle to a library (.so), attempting to access it by the names specified in libs and returning the first that is successfully opened. Callers are responsible for closing the handler. If no library can be successfully opened, an error is returned.

func (*LibHandle) Close ¶

func (l *LibHandle) Close() error

Close closes a LibHandle.

func (*LibHandle) GetSymbolPointer ¶

func (l *LibHandle) GetSymbolPointer(symbol string) (unsafe.Pointer, error)

GetSymbolPointer takes a symbol name and returns a pointer to the symbol.

Source Files ¶

dlopen.go