compute-runtime/runtime/os_interface/windows/os_library.cpp

68 lines
2.1 KiB
C++

/*
* Copyright (c) 2017, Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "runtime/os_interface/os_library.h"
#include "os_library.h"
#include "DriverStore.h"
namespace OCLRT {
OsLibrary *OsLibrary::load(const std::string &name) {
Windows::OsLibrary *ptr = new Windows::OsLibrary(name);
if (!ptr->isLoaded()) {
delete ptr;
return nullptr;
}
return ptr;
}
namespace Windows {
OsLibrary::OsLibrary(const std::string &name) {
if (name.empty()) {
this->handle = GetModuleHandleA(nullptr);
} else {
this->handle = LoadDependency(name.c_str());
if (this->handle == nullptr) {
this->handle = ::LoadLibraryA(name.c_str());
}
}
}
OsLibrary::~OsLibrary() {
if ((this->handle != nullptr) && (this->handle != GetModuleHandleA(nullptr))) {
::FreeLibrary(this->handle);
this->handle = nullptr;
}
}
bool OsLibrary::isLoaded() {
return this->handle != nullptr;
}
void *OsLibrary::getProcAddress(const std::string &procName) {
return ::GetProcAddress(this->handle, procName.c_str());
}
}
}