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ITS#8858 Introduce ldap_pvt_thread_pool_walk

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Ondřej Kuzník 2018-02-20 15:21:46 +00:00 committed by Ondřej Kuzník
parent 7127d5db11
commit d4df939b95
2 changed files with 48 additions and 0 deletions
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8
include/ldap_pvt_thread.h
View File

@ -220,6 +220,7 @@ ldap_pvt_thread_rdwr_active LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
typedef ldap_int_thread_pool_t ldap_pvt_thread_pool_t;
typedef void * (ldap_pvt_thread_start_t) LDAP_P((void *ctx, void *arg));
typedef int (ldap_pvt_thread_walk_t) LDAP_P((ldap_pvt_thread_start_t *start, void *start_arg, void *arg));
typedef void (ldap_pvt_thread_pool_keyfree_t) LDAP_P((void *key, void *data));
#endif /* !LDAP_PVT_THREAD_H_DONE */
@ -253,6 +254,13 @@ LDAP_F( int )
ldap_pvt_thread_pool_retract LDAP_P((
void *cookie ));
LDAP_F( int )
ldap_pvt_thread_pool_walk LDAP_P((
ldap_pvt_thread_pool_t *pool,
ldap_pvt_thread_start_t *start,
ldap_pvt_thread_walk_t *cb,
void *arg ));
LDAP_F( int )
ldap_pvt_thread_pool_maxthreads LDAP_P((
ldap_pvt_thread_pool_t *pool,

40
libraries/libldap_r/tpool.c
View File

@ -516,6 +516,46 @@ ldap_pvt_thread_pool_retract (
return task != NULL;
}
/* Walk the pool and allow tasks to be retracted, only to be called while the
* pool is paused */
int
ldap_pvt_thread_pool_walk(
ldap_pvt_thread_pool_t *tpool,
ldap_pvt_thread_start_t *start,
ldap_pvt_thread_walk_t *cb, void *arg )
{
struct ldap_int_thread_pool_s *pool;
struct ldap_int_thread_poolq_s *pq;
ldap_int_thread_task_t *task;
int i;
if (tpool == NULL)
return(-1);
pool = *tpool;
if (pool == NULL)
return(-1);
ldap_pvt_thread_mutex_lock(&pool->ltp_mutex);
assert(pool->ltp_pause == PAUSED);
ldap_pvt_thread_mutex_unlock(&pool->ltp_mutex);
for (i=0; i<pool->ltp_numqs; i++) {
pq = pool->ltp_wqs[i];
LDAP_STAILQ_FOREACH(task, &pq->ltp_pending_list, ltt_next.q) {
if ( task->ltt_start_routine == start ) {
if ( cb( task->ltt_start_routine, task->ltt_arg, arg ) ) {
/* retract */
task->ltt_start_routine = no_task;
task->ltt_arg = NULL;
}
}
}
}
return 0;
}
/* Set number of work queues in this pool. Should not be
* more than the number of CPUs. */
int