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/*
* Copyright 2013 Samsung Electronics Co., Ltd
*
* Licensed under the Flora License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.tizenopensource.org/license
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <string.h>
#include <malloc.h>
#include <errno.h>
#include <heap-monitor.h>
#define LIBC "/lib/libc-2.13.so"
int errno;
int main(int argc, char *argv[])
{
void *ptr;
void *o_ptr;
int i;
int reused;
int cnt;
unsigned long align;
heap_monitor_add_target(argv[0]);
heap_monitor_add_target(LIBC);
heap_monitor_init();
heap_monitor_start();
o_ptr = NULL;
reused = 0;
cnt = 1000;
for (i = 0; i < cnt; i++) {
o_ptr = malloc(1000);
memset(o_ptr, 0, 1000);
free(o_ptr);
ptr = malloc(2000);
memset(ptr, 0, 1000);
free(ptr);
reused += (o_ptr == ptr);
}
align = 1024;
if (posix_memalign(&ptr, align, 100)) {
printf("Failed to allocate aligned memory\n");
} else {
void *abc;
printf("posix_memalign aligned: %lu, %lu\n", (unsigned long)ptr, (unsigned long)ptr % align);
abc = realloc(ptr, 200);
if (abc) {
printf("realloc aligned: %lu, %lu\n", (unsigned long)abc, (unsigned long)abc % align);
ptr = abc;
}
free(ptr);
}
ptr = memalign(align, 100);
if (!ptr) {
printf("Failed to allocate aligned memory\n");
} else {
printf("memalign aligned: %lu, %lu\n", (unsigned long)ptr, (unsigned long)ptr % align);
printf("memalign aligned: %lu, %lu\n", (unsigned long)ptr, (unsigned long)ptr % 4);
free(ptr);
}
align = 100;
ptr = memalign(align, 100);
if (!ptr) {
printf("Failed to allocate aligned memory\n");
} else {
printf(">> aligned: %lu, %lu\n", (unsigned long)ptr, (unsigned long)ptr % align);
free(ptr);
}
ptr = malloc(100);
printf("[%s] uses %d\n", argv[0], heap_monitor_target_usage(argv[0]));
printf("[%s] uses %d\n", LIBC, heap_monitor_target_usage(LIBC));
ptr = realloc(ptr, 200);
printf("[%s] uses %d\n", argv[0], heap_monitor_target_usage(argv[0]));
printf("[%s] uses %d\n", LIBC, heap_monitor_target_usage(LIBC));
free(ptr);
heap_monitor_stop();
printf("[%s] uses %d\n", argv[0], heap_monitor_target_usage(argv[0]));
printf("[%s] uses %d\n", LIBC, heap_monitor_target_usage(LIBC));
if (heap_monitor_target_usage(argv[0]))
printf("LEAK detected\n");
printf("heap chunk resuing rates (%d/%d) %.0lf%%\n", reused, cnt, (double)reused * 100.0f/(double)cnt);
heap_monitor_del_target(argv[0]);
heap_monitor_del_target(LIBC);
return 0;
}
/* End of a file */
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