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Paddle/paddle/fluid/platform/port.h

88 lines
2.3 KiB

// Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include <cstdio>
#include <stdexcept>
#include <string>
#if !defined(_WIN32)
#define UNUSED __attribute__((unused))
#include <dlfcn.h> // for dladdr
#include <execinfo.h> // for backtrace
#include <sys/stat.h>
#else
#include <io.h> // _popen, _pclose
#include <windows.h>
// windows version of __attribute__((unused))
#define UNUSED __pragma(warning(suppress : 4100))
#ifndef S_ISDIR // windows port for sys/stat.h
#define S_ISDIR(mode) (((mode)&S_IFMT) == S_IFDIR)
#endif
static void* dlsym(void* handle, const char* symbol_name) {
FARPROC found_symbol;
found_symbol = GetProcAddress((HMODULE)handle, symbol_name);
if (found_symbol == NULL) {
throw std::runtime_error(std::string(symbol_name) + " not found.");
}
return reinterpret_cast<void*>(found_symbol);
}
#endif // !_WIN32
static void ExecShellCommand(const std::string &cmd, std::string *message) {
char buffer[128];
#if !defined(_WIN32)
std::shared_ptr<FILE> pipe(popen(cmd.c_str(), "r"), pclose);
#else
std::shared_ptr<FILE> pipe(_popen(cmd.c_str(), "r"), _pclose);
#endif // _WIN32
if (!pipe) {
LOG(ERROR) << "error running command: " << cmd;
return;
}
while (!feof(pipe.get())) {
if (fgets(buffer, 128, pipe.get()) != nullptr) {
*message += buffer;
}
}
}
static bool PathExists(const std::string &path) {
#if !defined(_WIN32)
struct stat statbuf;
if (stat(path.c_str(), &statbuf) != -1) {
if (S_ISDIR(statbuf.st_mode)) {
return true;
}
}
#else
struct _stat statbuf;
if (_stat(path.c_str(), &statbuf) != -1) {
if (S_ISDIR(statbuf.st_mode)) {
return true;
}
}
#endif // !_WIN32
return false;
}