cpptrace/src/utils/dbghelp_syminit_manager.hpp

44 lines
1.1 KiB
C++

#ifndef DBGHELP_SYMINIT_MANAGER_HPP
#define DBGHELP_SYMINIT_MANAGER_HPP
#include "../utils/common.hpp"
#include "../utils/utils.hpp"
#include <unordered_set>
#include <windows.h>
#include <dbghelp.h>
namespace cpptrace {
namespace detail {
struct dbghelp_syminit_manager {
std::unordered_set<HANDLE> set;
~dbghelp_syminit_manager() {
for(auto handle : set) {
if(!SymCleanup(handle)) {
ASSERT(false, microfmt::format("Cpptrace SymCleanup failed with code {}\n", GetLastError()).c_str());
}
}
}
void init(HANDLE proc) {
if(set.count(proc) == 0) {
if(!SymInitialize(proc, NULL, TRUE)) {
throw internal_error("SymInitialize failed {}", GetLastError());
}
set.insert(proc);
}
}
};
// Thread-safety: Must only be called from symbols_with_dbghelp while the dbghelp_lock lock is held
inline dbghelp_syminit_manager& get_syminit_manager() {
static dbghelp_syminit_manager syminit_manager;
return syminit_manager;
}
}
}
#endif