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r19360: improve the ldb leak detector - it now takes into account the number

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of blocks used at connect time (which depends on how many modules are
loaded)
(This used to be commit e3aa03bf1f)
This commit is contained in:
Andrew Tridgell 2006-10-17 01:18:32 +00:00 committed by Gerald (Jerry) Carter
parent 1447b7aed9
commit 6ba4992faa
1 changed files with 12 additions and 3 deletions
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15
source4/lib/db_wrap.c
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@ -65,13 +65,16 @@ char *wrap_casefold(void *context, void *mem_ctx, const char *s)
return strupper_talloc(mem_ctx, s);
}
/* check for leaks */
/* check for memory leaks on the ldb context */
static int ldb_wrap_destructor(struct ldb_context *ldb)
{
if (talloc_total_blocks(ldb) > 656) {
DEBUG(0,("WARNING: probable memory leak in ldb %s - %lu blocks %lu bytes\n",
size_t *startup_blocks = (size_t *)ldb_get_opaque(ldb, "startup_blocks");
if (startup_blocks &&
talloc_total_blocks(ldb) > *startup_blocks + 100) {
DEBUG(0,("WARNING: probable memory leak in ldb %s - %lu blocks (startup %lu) %lu bytes\n",
(char *)ldb_get_opaque(ldb, "wrap_url"),
(unsigned long)talloc_total_blocks(ldb),
(unsigned long)*startup_blocks,
(unsigned long)talloc_total_size(ldb)));
#if 0
talloc_report_full(ldb, stdout);
@ -97,6 +100,7 @@ struct ldb_context *ldb_wrap_connect(TALLOC_CTX *mem_ctx,
int ret;
struct event_context *ev;
char *real_url = NULL;
size_t *startup_blocks;
ldb = ldb_init(mem_ctx);
if (ldb == NULL) {
@ -155,7 +159,12 @@ struct ldb_context *ldb_wrap_connect(TALLOC_CTX *mem_ctx,
ldb_set_utf8_fns(ldb, NULL, wrap_casefold);
/* setup for leak detection */
ldb_set_opaque(ldb, "wrap_url", real_url);
startup_blocks = talloc(ldb, size_t);
*startup_blocks = talloc_total_blocks(ldb);
ldb_set_opaque(ldb, "startup_blocks", startup_blocks);
talloc_set_destructor(ldb, ldb_wrap_destructor);
return ldb;