library.h

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// Copyright 2016 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
// Modified by Jeremy Retailleau.
 
#ifndef PXR_ARCH_LIBRARY_H
#define PXR_ARCH_LIBRARY_H
 
#include "./api.h"
 
#include <string>
 
#if defined(ARCH_OS_WINDOWS)
#   define ARCH_LIBRARY_LAZY    0
#   define ARCH_LIBRARY_NOW     0
#   define ARCH_LIBRARY_LOCAL   0
#   define ARCH_LIBRARY_GLOBAL  0
#   define ARCH_LIBRARY_SUFFIX  ".dll"
#   define ARCH_STATIC_LIBRARY_SUFFIX ".lib"
#else
#   include <dlfcn.h>
#   define ARCH_LIBRARY_LAZY    RTLD_LAZY
#   define ARCH_LIBRARY_NOW     RTLD_NOW
#   define ARCH_LIBRARY_LOCAL   RTLD_LOCAL
#   define ARCH_LIBRARY_GLOBAL  RTLD_GLOBAL
#   if defined(ARCH_OS_DARWIN)
#       define ARCH_LIBRARY_SUFFIX  ".dylib"
#   else
#       define ARCH_LIBRARY_SUFFIX  ".so"
#   endif
#   define ARCH_STATIC_LIBRARY_SUFFIX ".a"
#endif
 
// On MacOS shared libraries and loadable modules (aka loadable bundles aka
// plugins) are different entities. Most cross-platform software packages
// that create  loadable modules use .so as the extension on MacOS for
// compatibility, so we use that here.
#if defined(ARCH_OS_DARWIN)
#   define ARCH_PLUGIN_SUFFIX ".so"
#else
#   define ARCH_PLUGIN_SUFFIX ARCH_LIBRARY_SUFFIX
#endif
 
namespace pxr {
 
 
ARCH_API 
void* ArchLibraryOpen(const std::string &filename, int flag);
 
ARCH_API
std::string ArchLibraryError();
 
ARCH_API
int ArchLibraryClose(void* handle);
 
ARCH_API
void* ArchLibraryGetSymbolAddress(void* handle, const char* name);
 
}  // namespace pxr
 
#endif // PXR_ARCH_LIBRARY_H