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72 lines
1.5 KiB
C++
72 lines
1.5 KiB
C++
//
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// Copyright (c) 2013-2021 Winlin
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//
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// SPDX-License-Identifier: MIT
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//
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/**
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@see: https://gperftools.github.io/gperftools/heap_checker.html
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config srs with gperf(to make gperftools):
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./configure --gperf=on --jobs=3
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set the pprof path if not set:
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export PPROF_PATH=`pwd`/../../../objs/pprof
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to check mem leak:
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make && env HEAPCHECK=normal ./heap_checker
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <gperftools/profiler.h>
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void explicit_leak_imp() {
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printf("func leak: do something...\n");
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for (int i = 0; i < 1024; ++i) {
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char* p = new char[1024];
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}
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printf("func leak: memory leaked\n");
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}
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void explicit_leak() {
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explicit_leak_imp();
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}
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char* pglobal = NULL;
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void global_leak_imp() {
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printf("global leak: do something...\n");
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for (int i = 0; i < 1024; ++i) {
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pglobal = new char[189];
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}
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printf("global leak: memory leaked\n");
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}
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void global_leak() {
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global_leak_imp();
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}
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bool loop = true;
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void handler(int sig) {
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// we must use signal to notice the main thread to exit normally.
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if (sig == SIGINT) {
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loop = false;
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}
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}
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int main(int argc, char** argv) {
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signal(SIGINT, handler);
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global_leak();
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printf("press CTRL+C if you want to abort the program.\n");
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sleep(3);
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if (!loop) {
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return 0;
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}
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explicit_leak();
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printf("press CTRL+C if you want to abort the program.\n");
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sleep(3);
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if (!loop) {
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return 0;
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}
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return 0;
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}
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