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   1 /* $OpenLDAP$ */
   2 /*
   3  * Copyright 2003 The OpenLDAP Foundation, Redwood City, California, USA
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted only as authorized by the OpenLDAP
   8  * Public License.  A copy of this license is available at
   9  * http://www.OpenLDAP.org/license.html or in file LICENSE in the
  10  * top-level directory of the distribution.
  11  */
  12
  13 #ifndef LDAP_RQ_H
  14 #define LDAP_RQ_H 1
  15
  16 #include <ldap_cdefs.h>
  17
  18 LDAP_BEGIN_DECL
  19
  20 typedef struct re_s {
  21         struct timeval next_sched;
  22         struct timeval interval;
  23         LDAP_STAILQ_ENTRY(re_s) tnext; /* it includes running */
  24         LDAP_STAILQ_ENTRY(re_s) rnext;
  25         ldap_pvt_thread_start_t *routine;
  26         void *arg;
  27 } re_t;
  28
  29 typedef struct runqueue_s {
  30         LDAP_STAILQ_HEAD(l, re_s) task_list;
  31         LDAP_STAILQ_HEAD(rl, re_s) run_list;
  32         ldap_pvt_thread_mutex_t rq_mutex;
  33 } runqueue_t;
  34
  35 LDAP_F( void )
  36 ldap_pvt_runqueue_insert(
  37         struct runqueue_s* rq,
  38         time_t interval,
  39         ldap_pvt_thread_start_t* routine,
  40         void *arg
  41 );
  42
  43 LDAP_F( void )
  44 ldap_pvt_runqueue_remove(
  45         struct runqueue_s* rq,
  46         struct re_s* entry
  47 );
  48
  49 LDAP_F( struct re_s* )
  50 ldap_pvt_runqueue_next_sched(
  51         struct runqueue_s* rq,
  52         struct timeval** next_run
  53 );
  54
  55 LDAP_F( void )
  56 ldap_pvt_runqueue_runtask(
  57         struct runqueue_s* rq,
  58         struct re_s* entry
  59 );
  60
  61 LDAP_F( void )
  62 ldap_pvt_runqueue_stoptask(
  63         struct runqueue_s* rq,
  64         struct re_s* entry
  65 );
  66
  67 LDAP_F( int )
  68 ldap_pvt_runqueue_isrunning(
  69         struct runqueue_s* rq,
  70         struct re_s* entry
  71 );
  72
  73 LDAP_F( void )
  74 ldap_pvt_runqueue_resched(
  75         struct runqueue_s* rq,
  76         struct re_s* entry
  77 );
  78
  79 LDAP_F( int )
  80 ldap_pvt_runqueue_persistent_backload(
  81         struct runqueue_s* rq
  82 );
  83
  84 LDAP_END_DECL
  85
  86 #endif