lean2/src/util/trace.cpp
Leonardo de Moura 8f2fe273ea refactor(*): isolate std::thread dependency
This commit allows us to build Lean without the pthread dependency.
It is also useful if we want to implement multi-threading on top of Boost.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-12-09 15:20:26 -08:00

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921 B
C++

/*
Copyright (c) 2013 Microsoft Corporation. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Author: Leonardo de Moura
*/
#include <set>
#include <string>
#include <memory>
#include "util/trace.h"
#ifndef LEAN_TRACE_OUT
#define LEAN_TRACE_OUT ".lean_trace"
#endif
namespace lean {
#ifdef LEAN_TRACE
std::ofstream tout(LEAN_TRACE_OUT);
mutex trace_mutex;
#endif
static std::unique_ptr<std::set<std::string>> g_enabled_trace_tags;
void enable_trace(char const * tag) {
if (!g_enabled_trace_tags)
g_enabled_trace_tags.reset(new std::set<std::string>());
g_enabled_trace_tags->insert(tag);
}
void disable_trace(char const * tag) {
if (g_enabled_trace_tags)
g_enabled_trace_tags->erase(tag);
}
bool is_trace_enabled(char const * tag) {
return g_enabled_trace_tags && g_enabled_trace_tags->find(tag) != g_enabled_trace_tags->end();
}
}