gecko-dev/xpcom/string/nsStringStats.cpp

67 строки
1.9 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsStringStats.h"
#include "mozilla/IntegerPrintfMacros.h"
#include "mozilla/MemoryReporting.h"
#include "nsString.h"
#include <stdint.h>
#include <stdio.h>
#ifdef XP_WIN
# include <windows.h>
# include <process.h>
#else
# include <unistd.h>
# include <pthread.h>
#endif
nsStringStats gStringStats;
nsStringStats::~nsStringStats() {
// this is a hack to suppress duplicate string stats printing
// in seamonkey as a result of the string code being linked
// into seamonkey and libxpcom! :-(
if (!mAllocCount && !mAdoptCount) {
return;
}
// Only print the stats if we detect a leak.
if (mAllocCount <= mFreeCount && mAdoptCount <= mAdoptFreeCount) {
return;
}
printf("nsStringStats\n");
printf(" => mAllocCount: % 10d\n", int(mAllocCount));
printf(" => mReallocCount: % 10d\n", int(mReallocCount));
printf(" => mFreeCount: % 10d", int(mFreeCount));
if (mAllocCount > mFreeCount) {
printf(" -- LEAKED %d !!!\n", mAllocCount - mFreeCount);
} else {
printf("\n");
}
printf(" => mShareCount: % 10d\n", int(mShareCount));
printf(" => mAdoptCount: % 10d\n", int(mAdoptCount));
printf(" => mAdoptFreeCount: % 10d", int(mAdoptFreeCount));
if (mAdoptCount > mAdoptFreeCount) {
printf(" -- LEAKED %d !!!\n", mAdoptCount - mAdoptFreeCount);
} else {
printf("\n");
}
#ifdef XP_WIN
auto pid = uintptr_t(_getpid());
auto tid = uintptr_t(GetCurrentThreadId());
#else
auto pid = uintptr_t(getpid());
auto tid = uintptr_t(pthread_self());
#endif
printf(" => Process ID: %" PRIuPTR ", Thread ID: %" PRIuPTR "\n", pid, tid);
}