From 56ae875861ab260b80a030f50c4aff9f9dc8fff0 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 13 Apr 2024 13:32:39 +0200 Subject: Adding upstream version 2.14.2. Signed-off-by: Daniel Baumann --- lib/base/library.cpp | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 lib/base/library.cpp (limited to 'lib/base/library.cpp') diff --git a/lib/base/library.cpp b/lib/base/library.cpp new file mode 100644 index 0000000..541ed74 --- /dev/null +++ b/lib/base/library.cpp @@ -0,0 +1,68 @@ +/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */ + +#include "base/library.hpp" +#include "base/loader.hpp" +#include "base/logger.hpp" +#include "base/exception.hpp" +#include "base/application.hpp" + +using namespace icinga; + +/** + * Loads the specified library. + * + * @param name The name of the library. + */ +Library::Library(const String& name) +{ + String path; +#if defined(_WIN32) + path = name + ".dll"; +#elif defined(__APPLE__) + path = "lib" + name + "." + Application::GetAppSpecVersion() + ".dylib"; +#else /* __APPLE__ */ + path = "lib" + name + ".so." + Application::GetAppSpecVersion(); +#endif /* _WIN32 */ + + Log(LogNotice, "Library") + << "Loading library '" << path << "'"; + +#ifdef _WIN32 + HMODULE hModule = LoadLibrary(path.CStr()); + + if (!hModule) { + BOOST_THROW_EXCEPTION(win32_error() + << boost::errinfo_api_function("LoadLibrary") + << errinfo_win32_error(GetLastError()) + << boost::errinfo_file_name(path)); + } +#else /* _WIN32 */ + void *hModule = dlopen(path.CStr(), RTLD_NOW | RTLD_GLOBAL); + + if (!hModule) { + BOOST_THROW_EXCEPTION(std::runtime_error("Could not load library '" + path + "': " + dlerror())); + } +#endif /* _WIN32 */ + + Loader::ExecuteDeferredInitializers(); + + m_Handle.reset(new LibraryHandle(hModule), [](LibraryHandle *handle) { +#ifdef _WIN32 + FreeLibrary(*handle); +#else /* _WIN32 */ + dlclose(*handle); +#endif /* _WIN32 */ + }); +} + +void *Library::GetSymbolAddress(const String& name) const +{ + if (!m_Handle) + BOOST_THROW_EXCEPTION(std::runtime_error("Invalid library handle")); + +#ifdef _WIN32 + return GetProcAddress(*m_Handle.get(), name.CStr()); +#else /* _WIN32 */ + return dlsym(*m_Handle.get(), name.CStr()); +#endif /* _WIN32 */ +} -- cgit v1.2.3