libelwix/example/test_mem.c - view

File: [ELWIX - Embedded LightWeight unIX -] / libelwix / example / test_mem.c
Revision 1.2: download - view: text, annotated - select for diffs - revision graph
Sun Jun 30 22:10:27 2013 UTC (10 years, 10 months ago) by misho
Branches: MAIN
CVS tags: elwix3_6, elwix3_5, elwix3_4, elwix3_3, elwix3_2, elwix3_1, elwix3_0, elwix2_9, elwix2_8, elwix2_7, elwix2_6, elwix2_5, elwix2_4, elwix2_3, elwix2_2, elwix2_1, elwix2_0, HEAD, ELWIX3_5, ELWIX3_4, ELWIX3_3, ELWIX3_2, ELWIX3_1, ELWIX3_0, ELWIX2_9, ELWIX2_8, ELWIX2_7, ELWIX2_6, ELWIX2_5, ELWIX2_4, ELWIX2_3, ELWIX2_2, ELWIX2_1, ELWIX2_0, ELWIX1_9

version 1.9

#include <stdio.h> #include <string.h> #include <stdlib.h> #include <elwix.h> void show(u_int size, u_int act, u_int inact) { if (!act && !inact) return; 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); } int main(int argc, char **argv) { mpool_t *mp; void *addr; int i; u_long curr; 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); printf("___current=%lu\n", curr); */ 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, NULL); printf("___current=%lu\n", curr); 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); addr = mpool_realloc(mp, addr, 5010, "|||||||||||||"); if (!addr) printf("Error:: #%d - %s\n", elwix_GetErrno(), elwix_GetError()); mpool_getquota(mp, &curr, NULL); printf("addr=%p_current=%lu\n", addr, curr); 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); 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); mpool_purge(mp, 0); mpool_getquota(mp, &curr, NULL); printf("___current=%lu\n", curr); 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); 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)); 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); mpool_destroy(&mp); return 0; }