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/*
* Copyright (C) 2023-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/compiler_interface/os_compiler_cache_helper.h"
#include "shared/source/helpers/path.h"
#include "shared/source/os_interface/debug_env_reader.h"
#include "shared/source/os_interface/linux/sys_calls.h"
#include "shared/source/utilities/io_functions.h"
#include "os_inc.h"
#include <cstring>
#include <dlfcn.h>
#include <link.h>
#include <unistd.h>
namespace NEO {
bool createCompilerCachePath(std::string &cacheDir) {
if (NEO::pathExists(cacheDir)) {
if (NEO::pathExists(joinPath(cacheDir, "neo_compiler_cache"))) {
cacheDir = joinPath(cacheDir, "neo_compiler_cache");
return true;
}
if (NEO::SysCalls::mkdir(joinPath(cacheDir, "neo_compiler_cache")) == 0) {
cacheDir = joinPath(cacheDir, "neo_compiler_cache");
return true;
} else if (errno == EEXIST) {
cacheDir = joinPath(cacheDir, "neo_compiler_cache");
return true;
}
}
cacheDir = "";
return false;
}
bool checkDefaultCacheDirSettings(std::string &cacheDir, NEO::EnvironmentVariableReader &reader) {
std::string emptyString = "";
cacheDir = reader.getSetting("XDG_CACHE_HOME", emptyString);
if (cacheDir.empty()) {
cacheDir = reader.getSetting("HOME", emptyString);
if (cacheDir.empty()) {
return false;
}
// .cache might not exist on fresh installation
cacheDir = joinPath(cacheDir, ".cache/");
if (!NEO::pathExists(cacheDir)) {
NEO::SysCalls::mkdir(cacheDir);
}
return createCompilerCachePath(cacheDir);
}
if (NEO::pathExists(cacheDir)) {
return createCompilerCachePath(cacheDir);
}
return false;
}
time_t getFileModificationTime(const std::string &path) {
struct stat st {};
if (NEO::SysCalls::stat(path, &st) == 0) {
return st.st_mtime;
}
return 0;
}
size_t getFileSize(const std::string &path) {
struct stat st {};
if (NEO::SysCalls::stat(path, &st) == 0) {
return static_cast<size_t>(st.st_size);
}
return 0u;
}
bool isAnyIgcEnvVarSet() {
char **envp = NEO::SysCalls::getEnviron();
for (int i = 0; envp && envp[i] != nullptr; i++) {
if (strncmp(envp[i], "IGC_", 4) == 0) {
return true;
}
}
return false;
}
} // namespace NEO
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