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ggml : improve error handling for search path existence checks (llama/17653) 

* Improve error handling for search path existence checks

Refactor existence checks for search paths using std::error_code to handle potential errors.

* Improve cache file existence check with error code

Update fs::exists to use std::error_code for error handling.

* Simplify existence check for search paths

Simplify existence check for search paths

* Fix logging path in error message for posix_stat

* Update ggml/src/ggml-backend-reg.cpp

Co-authored-by: Aman Gupta <amangupta052@gmail.com>

* Adapt to the coding standard

---------

Co-authored-by: Aman Gupta <amangupta052@gmail.com>
This commit is contained in:
Sky 2025-12-06 19:28:16 +08:00 committed by Georgi Gerganov
parent c66c71e9f4
commit b67e3abdb2
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GPG Key ID: 449E073F9DC10735
2 changed files with 13 additions and 4 deletions
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14
ggml/src/ggml-backend-reg.cpp
View File

@ -534,8 +534,12 @@ static ggml_backend_reg_t ggml_backend_load_best(const char * name, bool silent,
fs::path best_path;
for (const auto & search_path : search_paths) {
if (!fs::exists(search_path)) {
GGML_LOG_DEBUG("%s: search path %s does not exist\n", __func__, path_str(search_path).c_str());
if (std::error_code ec; !fs::exists(search_path, ec)) {
if (ec) {
GGML_LOG_DEBUG("%s: posix_stat(%s) failure, error-message: %s\n", __func__, path_str(search_path).c_str(), ec.message().c_str());
} else {
GGML_LOG_DEBUG("%s: search path %s does not exist\n", __func__, path_str(search_path).c_str());
}
continue;
}
fs::directory_iterator dir_it(search_path, fs::directory_options::skip_permission_denied);
@ -575,8 +579,12 @@ static ggml_backend_reg_t ggml_backend_load_best(const char * name, bool silent,
for (const auto & search_path : search_paths) {
fs::path filename = backend_filename_prefix().native() + name_path.native() + backend_filename_extension().native();
fs::path path = search_path / filename;
if (fs::exists(path)) {
if (std::error_code ec; fs::exists(path, ec)) {
return get_reg().load_backend(path, silent);
} else {
if (ec) {
GGML_LOG_DEBUG("%s: posix_stat(%s) failure, error-message: %s\n", __func__, path_str(path).c_str(), ec.message().c_str());
}
}
}
return nullptr;

3
ggml/src/ggml-rpc/ggml-rpc.cpp
View File

@ -1257,7 +1257,8 @@ bool rpc_server::get_cached_file(uint64_t hash, std::vector<uint8_t> & data) {
char hash_str[17];
snprintf(hash_str, sizeof(hash_str), "%016" PRIx64, hash);
fs::path cache_file = fs::path(cache_dir) / hash_str;
if (!fs::exists(cache_file)) {
std::error_code ec;
if (!fs::exists(cache_file, ec)) {
return false;
}
std::ifstream ifs(cache_file, std::ios::binary);