openldap/libraries/libldap_r/rq.c

84 lines
1.7 KiB
C
Raw Normal View History

/* $OpenLDAP$ */
#include "portable.h"
#include <stdio.h>
#include <ac/stdarg.h>
#include <ac/stdlib.h>
#include <ac/string.h>
#include <ac/time.h>
#include <ac/errno.h>
#include "ldap-int.h"
#include "ldap_pvt_thread.h"
#include "ldap_queue.h"
#include "ldap_rq.h"
void
ldap_pvt_runqueue_insert(
struct runqueue_s* rq,
time_t interval,
void *private
)
{
struct re_s* entry;
entry = (struct re_s *) ch_calloc( 1, sizeof( struct re_s ));
entry->interval.tv_sec = interval;
entry->interval.tv_usec = 0;
entry->next_sched.tv_sec = time( NULL );
entry->next_sched.tv_usec = 0;
entry->private = private;
LDAP_STAILQ_INSERT_HEAD( &rq->run_list, entry, next );
}
void
ldap_pvt_runqueue_next_sched(
struct runqueue_s* rq,
struct timeval** next_run,
void **private
)
{
struct re_s* entry;
entry = LDAP_STAILQ_FIRST( &rq->run_list );
if ( entry == NULL ) {
*next_run = NULL;
*private = NULL;
} else {
*next_run = &entry->next_sched;
*private = entry->private;
}
}
void
ldap_pvt_runqueue_resched(
struct runqueue_s* rq
)
{
struct re_s* entry;
struct re_s* prev;
struct re_s* e;
entry = LDAP_STAILQ_FIRST( &rq->run_list );
if ( entry == NULL ) {
return;
} else {
entry->next_sched.tv_sec = time( NULL ) + entry->interval.tv_sec;
LDAP_STAILQ_REMOVE_HEAD( &rq->run_list, next );
if ( LDAP_STAILQ_EMPTY( &rq->run_list )) {
LDAP_STAILQ_INSERT_HEAD( &rq->run_list, entry, next );
} else {
prev = entry;
LDAP_STAILQ_FOREACH( e, &rq->run_list, next ) {
if ( e->next_sched.tv_sec > entry->next_sched.tv_sec ) {
if ( prev == entry ) {
LDAP_STAILQ_INSERT_HEAD( &rq->run_list, entry, next );
} else {
LDAP_STAILQ_INSERT_AFTER( &rq->run_list, prev, entry, next );
}
}
prev = e;
}
}
}
}