MINOR: pools: introduce a new pool_debugging global variable

This read-mostly variable will be used at runtime to enable/disable
certain pool-debugging features and will be set by the command-line
parser. A future option -dP will take a number of debugging features
as arguments to configure this variable's contents.
This commit is contained in:
Willy Tarreau 2022-02-18 18:35:59 +01:00
parent af580f659c
commit 605629b008
2 changed files with 4 additions and 0 deletions

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@ -111,6 +111,9 @@
/* poison each newly allocated area with this byte if >= 0 */
extern int mem_poison_byte;
/* set of POOL_DBG_* flags */
extern uint pool_debugging;
void *pool_get_from_os(struct pool_head *pool);
void pool_put_to_os(struct pool_head *pool, void *ptr);
void *pool_alloc_nocache(struct pool_head *pool);

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@ -37,6 +37,7 @@ THREAD_LOCAL size_t pool_cache_count = 0; /* #cache objects */
static struct list pools __read_mostly = LIST_HEAD_INIT(pools);
int mem_poison_byte __read_mostly = -1;
uint pool_debugging __read_mostly = 0; /* set of POOL_DBG_* flags */
#ifdef DEBUG_FAIL_ALLOC
static int mem_fail_rate __read_mostly = 0;