File:
[ELWIX - Embedded LightWeight unIX -] /
libelwix /
example /
test_mem.c
Revision
1.7:
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Wed Aug 14 16:05:42 2024 UTC (3 months, 1 week ago) by
misho
Branches:
MAIN
CVS tags:
elwix6_6,
elwix6_5,
elwix6_4,
elwix6_3,
elwix6_2,
elwix6_1,
HEAD,
ELWIX6_5,
ELWIX6_4,
ELWIX6_2,
ELWIX6_1,
ELWIX6_0
Version 6.0
Changelog:
- New calloc() wrapper
- New option --enable-mpool-mem-zero
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <elwix.h>
int show(unsigned int size, unsigned int act, unsigned int inact, void *data, unsigned int dlen)
{
if (!act && !inact)
return -1;
if (size < 1024)
printf("Statistics:: BUCKET %uB size, %u active, %u inactive\n", size, act, inact);
else if (size < 1024 * 1024)
printf("Statistics:: BUCKET %uKB size, %u active, %u inactive\n", size / 1024, act, inact);
else
printf("Statistics:: BUCKET %uMB size, %u active, %u inactive\n", size / (1024 * 1024), act, inact);
return 0;
}
int
main(int argc, char **argv)
{
mpool_t *mp;
void *addr;
int i;
u_long curr, real;
printf("whether default memory mapper is elwix? %d\n", elwix_mm_inuse());
for (i = 0; i < 3; i++) {
addr = malloc(4000);
printf("addr=%p\n", addr);
free(addr);
}
mp = mpool_init(0);
if (!mp) {
printf("Error:: #%d - %s\n", elwix_GetErrno(), elwix_GetError());
return 1;
}
/*
mpool_getquota(mp, &curr, NULL, NULL);
printf("___current=%lu\n", curr);
*/
printf(">>> get 3 allocs\n");
for (i = 0; i < 3; i++) {
addr = mpool_malloc(mp, 4000, "mdaaa 4000");
if (!addr) {
printf("Error:: #%d - %s\n", elwix_GetErrno(), elwix_GetError());
mpool_destroy(&mp);
return 2;
}
printf("addr=%p chkaddr=%d addr_size=%d\n", addr, mpool_chkaddr(addr), mpool_getsizebyaddr(addr));
strlcpy(addr, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\ndddddd\n",
mpool_getsizebyaddr(addr));
mpool_free(mp, addr, 0);
}
mpool_getquota(mp, &curr, &real, NULL);
printf("___current=%lu ___real=%lu\n", curr, real);
printf("0) calls.act=%lu calls.inact=%lu calls.free=%lu; bytes.act=%lu bytes.inact=%lu bytes.free=%lu;\n",
mp->pool_calls.alloc, mp->pool_calls.cache, mp->pool_calls.free,
mp->pool_bytes.alloc, mp->pool_bytes.cache, mp->pool_bytes.free);
mpool_statistics(mp, show, NULL, 0);
printf(">>> realloc 4000 to 5010 addr=%p\n", addr);
addr = mpool_realloc(mp, addr, 5010, "|||||||||||||");
if (!addr)
printf("Error:: #%d - %s\n", elwix_GetErrno(), elwix_GetError());
mpool_getquota(mp, &curr, &real, NULL);
printf("addr=%p_current=%lu_real=%lu\n", addr, curr, real);
printf("1) calls.act=%lu calls.inact=%lu calls.free=%lu; bytes.act=%lu bytes.inact=%lu bytes.free=%lu;\n",
mp->pool_calls.alloc, mp->pool_calls.cache, mp->pool_calls.free,
mp->pool_bytes.alloc, mp->pool_bytes.cache, mp->pool_bytes.free);
mpool_statistics(mp, show, NULL, 0);
printf(">>> free addr=%p\n", addr);
if (addr)
mpool_free(mp, addr, 0);
printf("2) calls.act=%lu calls.inact=%lu calls.free=%lu; bytes.act=%lu bytes.inact=%lu bytes.free=%lu;\n",
mp->pool_calls.alloc, mp->pool_calls.cache, mp->pool_calls.free,
mp->pool_bytes.alloc, mp->pool_bytes.cache, mp->pool_bytes.free);
mpool_statistics(mp, show, NULL, 0);
printf(">>> purge inactive memory\n");
mpool_purge(mp, 0);
mpool_getquota(mp, &curr, &real, NULL);
printf("___current=%lu ___real=%lu\n", curr, real);
printf("3) calls.act=%lu calls.inact=%lu calls.free=%lu; bytes.act=%lu bytes.inact=%lu bytes.free=%lu;\n",
mp->pool_calls.alloc, mp->pool_calls.cache, mp->pool_calls.free,
mp->pool_bytes.alloc, mp->pool_bytes.cache, mp->pool_bytes.free);
mpool_statistics(mp, show, NULL, 0);
printf(">>> alloc new 4000\n");
addr = mpool_malloc(mp, 4000, "mdaaa 4000");
if (!addr) {
printf("Error:: #%d - %s\n", elwix_GetErrno(), elwix_GetError());
mpool_destroy(&mp);
return 2;
}
printf("addr=%p chkaddr=%d addr_size=%d\n", addr, mpool_chkaddr(addr), mpool_getsizebyaddr(addr));
printf(">>> and free new 4000 addr=%p\n", addr);
mpool_free(mp, addr, 0);
printf("4) calls.act=%lu calls.inact=%lu calls.free=%lu; bytes.act=%lu bytes.inact=%lu bytes.free=%lu;\n",
mp->pool_calls.alloc, mp->pool_calls.cache, mp->pool_calls.free,
mp->pool_bytes.alloc, mp->pool_bytes.cache, mp->pool_bytes.free);
mpool_statistics(mp, show, NULL, 0);
printf("realloc 4000 to 100000 and to 2000000\n");
addr = mpool_malloc(mp, 4000, "mdaaa 4000");
printf("malloc addr=%p chkaddr=%d addr_size=%d\n", addr, mpool_chkaddr(addr), mpool_getsizebyaddr(addr));
addr = mpool_realloc(mp, addr, 100000, "ohche");
printf("realloc addr=%p chkaddr=%d addr_size=%d\n", addr, mpool_chkaddr(addr), mpool_getsizebyaddr(addr));
addr = mpool_realloc(mp, addr, 2000000, NULL);
printf("realloc addr=%p chkaddr=%d addr_size=%d\n", addr, mpool_chkaddr(addr), mpool_getsizebyaddr(addr));
mpool_free(mp, addr, 0);
printf("5) calls.act=%lu calls.inact=%lu calls.free=%lu; bytes.act=%lu bytes.inact=%lu bytes.free=%lu;\n",
mp->pool_calls.alloc, mp->pool_calls.cache, mp->pool_calls.free,
mp->pool_bytes.alloc, mp->pool_bytes.cache, mp->pool_bytes.free);
mpool_statistics(mp, show, NULL, 0);
addr = mpool_calloc(mp, 56, 1, NULL);
printf("calloc addr=%p chkaddr=%d addr_size=%d\n", addr, mpool_chkaddr(addr), mpool_getsizebyaddr(addr));
mpool_free(mp, addr, 0);
addr = mpool_calloc(mp, 60, 1, "alabala");
printf("calloc addr=%p chkaddr=%d addr_size=%d\n", addr, mpool_chkaddr(addr), mpool_getsizebyaddr(addr));
mpool_free(mp, addr, 0);
mpool_dump(mp, NULL);
mpool_destroy(&mp);
return 0;
}
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