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   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1998-2005 The OpenLDAP Foundation.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted only as authorized by the OpenLDAP
   9  * Public License.
  10  *
  11  * A copy of this license is available in file LICENSE in the
  12  * top-level directory of the distribution or, alternatively, at
  13  * <http://www.OpenLDAP.org/license.html>.
  14  */
  15
  16 #ifndef LDAP_RQ_H
  17 #define LDAP_RQ_H 1
  18
  19 #include <ldap_cdefs.h>
  20
  21 LDAP_BEGIN_DECL
  22
  23 typedef struct re_s {
  24         struct timeval next_sched;
  25         struct timeval interval;
  26         LDAP_STAILQ_ENTRY(re_s) tnext; /* it includes running */
  27         LDAP_STAILQ_ENTRY(re_s) rnext;
  28         ldap_pvt_thread_start_t *routine;
  29         void *arg;
  30 } re_t;
  31
  32 typedef struct runqueue_s {
  33         LDAP_STAILQ_HEAD(l, re_s) task_list;
  34         LDAP_STAILQ_HEAD(rl, re_s) run_list;
  35         ldap_pvt_thread_mutex_t rq_mutex;
  36 } runqueue_t;
  37
  38 LDAP_F( void )
  39 ldap_pvt_runqueue_insert(
  40         struct runqueue_s* rq,
  41         time_t interval,
  42         ldap_pvt_thread_start_t* routine,
  43         void *arg
  44 );
  45
  46 LDAP_F( struct re_s* )
  47 ldap_pvt_runqueue_find(
  48         struct runqueue_s* rq,
  49         ldap_pvt_thread_start_t* routine,
  50         void *arg
  51 );
  52
  53 LDAP_F( void )
  54 ldap_pvt_runqueue_remove(
  55         struct runqueue_s* rq,
  56         struct re_s* entry
  57 );
  58
  59 LDAP_F( struct re_s* )
  60 ldap_pvt_runqueue_next_sched(
  61         struct runqueue_s* rq,
  62         struct timeval** next_run
  63 );
  64
  65 LDAP_F( void )
  66 ldap_pvt_runqueue_runtask(
  67         struct runqueue_s* rq,
  68         struct re_s* entry
  69 );
  70
  71 LDAP_F( void )
  72 ldap_pvt_runqueue_stoptask(
  73         struct runqueue_s* rq,
  74         struct re_s* entry
  75 );
  76
  77 LDAP_F( int )
  78 ldap_pvt_runqueue_isrunning(
  79         struct runqueue_s* rq,
  80         struct re_s* entry
  81 );
  82
  83 LDAP_F( void )
  84 ldap_pvt_runqueue_resched(
  85         struct runqueue_s* rq,
  86         struct re_s* entry,
  87         int defer
  88 );
  89
  90 LDAP_F( int )
  91 ldap_pvt_runqueue_persistent_backload(
  92         struct runqueue_s* rq
  93 );
  94
  95 LDAP_END_DECL
  96
  97 #endif