edmplugin::SharedLibrary Class Reference

#include <SharedLibrary.h>

Public Member Functions
const SharedLibrary &	operator= (const SharedLibrary &)=delete
const std::filesystem::path &	path () const
	SharedLibrary (const std::filesystem::path &iName)
	SharedLibrary (const SharedLibrary &)=delete
bool	symbol (const std::string &iSymbolName, void *&iSymbol) const
	~SharedLibrary ()

Private Attributes
void *	libraryHandle_
std::filesystem::path	path_

Detailed Description

Definition at line 29 of file SharedLibrary.h.

Constructor & Destructor Documentation

SharedLibrary::SharedLibrary

(

const std::filesystem::path &

iName

)

Definition at line 34 of file SharedLibrary.cc.

References submitPVValidationJobs::err, Exception, and libraryHandle_.

      : libraryHandle_(::dlopen(iName.string().c_str(), RTLD_LAZY | RTLD_GLOBAL)), path_(iName) {
    if (libraryHandle_ == nullptr) {
      char const* err = dlerror();
      if (err == nullptr) {
        throw cms::Exception("PluginLibraryLoadError") << "unable to load " << iName.string();
      }
      throw cms::Exception("PluginLibraryLoadError") << "unable to load " << iName.string() << " because " << err;
    }
  }

edmplugin::SharedLibrary::SharedLibrary ( const SharedLibrary &  )

delete

SharedLibrary::~SharedLibrary

(

)

Definition at line 50 of file SharedLibrary.cc.

{}

Member Function Documentation

const SharedLibrary& edmplugin::SharedLibrary::operator= ( const SharedLibrary &  )

delete

const std::filesystem::path& edmplugin::SharedLibrary::path ( ) const

inline

Definition at line 38 of file SharedLibrary.h.

References path_.

Referenced by edmplugin::PluginFactoryBase::findPMaker(), edmplugin::PluginCapabilities::load(), edmplugin::PluginCapabilities::tryToFind(), edmplugin::PluginFactoryBase::tryToFindPMaker(), and edmplugin::PluginCapabilities::tryToLoad().

{ return path_; }

bool SharedLibrary::symbol	(	const std::string &	iSymbolName,
		void *&	iSymbol
	)		const

Definition at line 71 of file SharedLibrary.cc.

References libraryHandle_.

Referenced by edmplugin::PluginCapabilities::tryToFind().

                                                                               {
    if (libraryHandle_ == nullptr) {
      return false;
    }
    iSymbol = dlsym(libraryHandle_, iSymbolName.c_str());
    return (iSymbol != nullptr);
  }

Member Data Documentation

void* edmplugin::SharedLibrary::libraryHandle_

private

Definition at line 46 of file SharedLibrary.h.

Referenced by SharedLibrary(), and symbol().

std::filesystem::path edmplugin::SharedLibrary::path_

private

Definition at line 47 of file SharedLibrary.h.

Referenced by path().