Files
rocm-systems/projects/amdsmi/src/amd_smi/amd_smi_lib_loader.cc
T
Bill(Shuzhou) Liu d83e3a8b6e Restructure the folder
Move rocm_smi related function to rocm_smi folder. Move amd_smi to
top level include/ and src/ folder. Remove obsolte oam folder.
Change the CMakeLists.txt to update folder locations.

Change-Id: I52e6be739e49f3b0545865f25364787f5985e9c3


[ROCm/amdsmi commit: 0c91ef919d]
2022-10-20 09:23:51 -05:00

88 lines
3.0 KiB
C++

/*
* =============================================================================
* The University of Illinois/NCSA
* Open Source License (NCSA)
*
* Copyright (c) 2022, Advanced Micro Devices, Inc.
* All rights reserved.
*
* Developed by:
*
* AMD Research and AMD ROC Software Development
*
* Advanced Micro Devices, Inc.
*
* www.amd.com
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal with 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:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimers.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimers in
* the documentation and/or other materials provided with the distribution.
* - Neither the names of <Name of Development Group, Name of Institution>,
* nor the names of its contributors may be used to endorse or promote
* products derived from this Software without specific prior written
* permission.
*
* 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 CONTRIBUTORS 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 WITH THE SOFTWARE.
*
*/
#include "amd_smi/impl/amd_smi_lib_loader.h"
#include <iostream>
namespace amd {
namespace smi {
AMDSmiLibraryLoader::AMDSmiLibraryLoader(): libHandler_(nullptr) {
}
amdsmi_status_t AMDSmiLibraryLoader::load(const char* filename) {
if (filename == nullptr) {
return AMDSMI_STATUS_FAIL_LOAD_MODULE;
}
if (libHandler_) {
unload();
}
std::lock_guard<std::mutex> guard(library_mutex_);
libHandler_ = dlopen(filename, RTLD_LAZY);
if (!libHandler_) {
char* error = dlerror();
std::cerr << "Fail to open " << filename <<": " << error
<< std::endl;
return AMDSMI_STATUS_FAIL_LOAD_MODULE;
}
return AMDSMI_STATUS_SUCCESS;
}
amdsmi_status_t AMDSmiLibraryLoader::unload() {
std::lock_guard<std::mutex> guard(library_mutex_);
if (libHandler_) {
dlclose(libHandler_);
libHandler_ = nullptr;
}
return AMDSMI_STATUS_SUCCESS;
}
AMDSmiLibraryLoader::~AMDSmiLibraryLoader() {
unload();
}
} // namespace rdc
} // namespace amd