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#include <torch/csrc/utils/cpp_stacktraces.h>
#include <cstdlib>
#include <cstring>
#include <c10/util/Exception.h>
namespace torch {
namespace {
bool compute_cpp_stack_traces_enabled() {
auto envar = std::getenv("TORCH_SHOW_CPP_STACKTRACES");
if (envar) {
if (strcmp(envar, "0") == 0) {
return false;
}
if (strcmp(envar, "1") == 0) {
return true;
}
TORCH_WARN(
"ignoring invalid value for TORCH_SHOW_CPP_STACKTRACES: ",
envar,
" valid values are 0 or 1.");
}
return false;
}
bool compute_disable_addr2line() {
auto envar = std::getenv("TORCH_DISABLE_ADDR2LINE");
if (envar) {
if (strcmp(envar, "0") == 0) {
return false;
}
if (strcmp(envar, "1") == 0) {
return true;
}
TORCH_WARN(
"ignoring invalid value for TORCH_DISABLE_ADDR2LINE: ",
envar,
" valid values are 0 or 1.");
}
return false;
}
} // namespace
bool get_cpp_stacktraces_enabled() {
static bool enabled = compute_cpp_stack_traces_enabled();
return enabled;
}
static torch::unwind::Mode compute_symbolize_mode() {
auto envar_c = std::getenv("TORCH_SYMBOLIZE_MODE");
if (envar_c) {
std::string envar = envar_c;
if (envar == "dladdr") {
return unwind::Mode::dladdr;
} else if (envar == "addr2line") {
return unwind::Mode::addr2line;
} else if (envar == "fast") {
return unwind::Mode::fast;
} else {
TORCH_CHECK(
false,
"expected {dladdr, addr2line, fast} for TORCH_SYMBOLIZE_MODE, got ",
envar);
}
} else {
return compute_disable_addr2line() ? unwind::Mode::dladdr
: unwind::Mode::addr2line;
}
}
unwind::Mode get_symbolize_mode() {
static unwind::Mode mode = compute_symbolize_mode();
return mode;
}
} // namespace torch
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