mirror of
https://git.openldap.org/openldap/openldap.git
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185 lines
3.4 KiB
C
185 lines
3.4 KiB
C
/* $OpenLDAP$ */
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/*
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* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/stdarg.h>
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#include <ac/stdlib.h>
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#include <ac/string.h>
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#include <ac/time.h>
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#include <ac/errno.h>
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#include "ldap-int.h"
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#include "ldap_pvt_thread.h"
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#include "ldap_queue.h"
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#include "ldap_rq.h"
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void
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ldap_pvt_runqueue_insert(
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struct runqueue_s* rq,
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time_t interval,
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ldap_pvt_thread_start_t *routine,
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void *arg
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)
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{
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struct re_s* entry;
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entry = (struct re_s *) LDAP_CALLOC( 1, sizeof( struct re_s ));
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entry->interval.tv_sec = interval;
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entry->interval.tv_usec = 0;
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entry->next_sched.tv_sec = time( NULL );
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entry->next_sched.tv_usec = 0;
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entry->routine = routine;
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entry->arg = arg;
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LDAP_STAILQ_INSERT_HEAD( &rq->task_list, entry, tnext );
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}
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void
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ldap_pvt_runqueue_remove(
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struct runqueue_s* rq,
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struct re_s* entry
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)
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{
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struct re_s* e;
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LDAP_STAILQ_FOREACH( e, &rq->task_list, tnext ) {
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if ( e == entry)
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break;
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}
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assert ( e == entry );
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LDAP_STAILQ_REMOVE( &rq->task_list, entry, re_s, tnext );
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LDAP_FREE( entry );
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}
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struct re_s*
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ldap_pvt_runqueue_next_sched(
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struct runqueue_s* rq,
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struct timeval** next_run
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)
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{
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struct re_s* entry;
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entry = LDAP_STAILQ_FIRST( &rq->task_list );
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if ( entry == NULL ) {
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*next_run = NULL;
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return NULL;
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} else if ( entry->next_sched.tv_sec == 0 ) {
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*next_run = NULL;
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return NULL;
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} else {
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*next_run = &entry->next_sched;
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return entry;
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}
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}
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void
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ldap_pvt_runqueue_runtask(
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struct runqueue_s* rq,
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struct re_s* entry
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)
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{
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LDAP_STAILQ_INSERT_HEAD( &rq->run_list, entry, rnext );
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}
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void
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ldap_pvt_runqueue_stoptask(
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struct runqueue_s* rq,
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struct re_s* entry
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)
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{
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LDAP_STAILQ_REMOVE( &rq->run_list, entry, re_s, rnext );
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}
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int
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ldap_pvt_runqueue_isrunning(
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struct runqueue_s* rq,
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struct re_s* entry
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)
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{
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struct re_s* e;
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LDAP_STAILQ_FOREACH( e, &rq->run_list, rnext ) {
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if ( e == entry ) {
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return 1;
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}
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}
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return 0;
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}
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void
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ldap_pvt_runqueue_resched(
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struct runqueue_s* rq,
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struct re_s* entry
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)
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{
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struct re_s* prev;
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struct re_s* e;
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LDAP_STAILQ_FOREACH( e, &rq->task_list, tnext ) {
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if ( e == entry )
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break;
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}
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assert ( e == entry );
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LDAP_STAILQ_REMOVE( &rq->task_list, entry, re_s, tnext );
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if ( entry->interval.tv_sec ) {
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entry->next_sched.tv_sec = time( NULL ) + entry->interval.tv_sec;
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} else {
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entry->next_sched.tv_sec = 0;
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}
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if ( LDAP_STAILQ_EMPTY( &rq->task_list )) {
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LDAP_STAILQ_INSERT_HEAD( &rq->task_list, entry, tnext );
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} else if ( entry->next_sched.tv_sec == 0 ) {
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LDAP_STAILQ_INSERT_TAIL( &rq->task_list, entry, tnext );
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} else {
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prev = NULL;
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LDAP_STAILQ_FOREACH( e, &rq->task_list, tnext ) {
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if ( e->next_sched.tv_sec == 0 ) {
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if ( prev == NULL ) {
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LDAP_STAILQ_INSERT_HEAD( &rq->task_list, entry, tnext );
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} else {
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LDAP_STAILQ_INSERT_AFTER( &rq->task_list, prev, entry, tnext );
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}
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break;
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} else if ( e->next_sched.tv_sec > entry->next_sched.tv_sec ) {
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if ( prev == NULL ) {
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LDAP_STAILQ_INSERT_HEAD( &rq->task_list, entry, tnext );
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} else {
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LDAP_STAILQ_INSERT_AFTER( &rq->task_list, prev, entry, tnext );
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}
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break;
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}
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prev = e;
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}
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}
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}
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int
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ldap_pvt_runqueue_persistent_backload(
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struct runqueue_s* rq
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)
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{
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struct re_s* e;
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int count = 0;
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if ( !LDAP_STAILQ_EMPTY( &rq->task_list )) {
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LDAP_STAILQ_FOREACH( e, &rq->task_list, tnext ) {
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if ( e->next_sched.tv_sec == 0 )
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count++;
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}
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}
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return count;
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}
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