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//=-- lsan.cc -------------------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of LeakSanitizer.
// Standalone LSan RTL.
//
//===----------------------------------------------------------------------===//
#include "lsan.h"
#include "sanitizer_common/sanitizer_flags.h"
#include "sanitizer_common/sanitizer_stacktrace.h"
#include "lsan_allocator.h"
#include "lsan_common.h"
#include "lsan_thread.h"
bool lsan_inited;
bool lsan_init_is_running;
namespace __lsan {
static void InitializeCommonFlags() {
CommonFlags *cf = common_flags();
SetCommonFlagsDefaults(cf);
cf->external_symbolizer_path = GetEnv("LSAN_SYMBOLIZER_PATH");
cf->malloc_context_size = 30;
cf->detect_leaks = true;
ParseCommonFlagsFromString(cf, GetEnv("LSAN_OPTIONS"));
}
} // namespace __lsan
using namespace __lsan; // NOLINT
extern "C" void __lsan_init() {
CHECK(!lsan_init_is_running);
if (lsan_inited)
return;
lsan_init_is_running = true;
SanitizerToolName = "LeakSanitizer";
InitializeCommonFlags();
InitializeAllocator();
InitTlsSize();
InitializeInterceptors();
InitializeThreadRegistry();
u32 tid = ThreadCreate(0, 0, true);
CHECK_EQ(tid, 0);
ThreadStart(tid, GetTid());
SetCurrentThread(tid);
// Start symbolizer process if necessary.
if (common_flags()->symbolize) {
Symbolizer::Init(common_flags()->external_symbolizer_path);
} else {
Symbolizer::Disable();
}
InitCommonLsan();
if (common_flags()->detect_leaks && common_flags()->leak_check_at_exit)
Atexit(DoLeakCheck);
lsan_inited = true;
lsan_init_is_running = false;
}
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