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   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1998-2017 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         char *tname;
  31         char *tspec;
  32         void *pool_cookie;
  33 } re_t;
  34
  35 typedef struct runqueue_s {
  36         LDAP_STAILQ_HEAD(l, re_s) task_list;
  37         LDAP_STAILQ_HEAD(rl, re_s) run_list;
  38         ldap_pvt_thread_mutex_t rq_mutex;
  39 } runqueue_t;
  40
  41 LDAP_F( struct re_s* )
  42 ldap_pvt_runqueue_insert(
  43         struct runqueue_s* rq,
  44         time_t interval,
  45         ldap_pvt_thread_start_t* routine,
  46         void *arg,
  47         char *tname,
  48         char *tspec
  49 );
  50
  51 LDAP_F( struct re_s* )
  52 ldap_pvt_runqueue_find(
  53         struct runqueue_s* rq,
  54         ldap_pvt_thread_start_t* routine,
  55         void *arg
  56 );
  57
  58 LDAP_F( void )
  59 ldap_pvt_runqueue_remove(
  60         struct runqueue_s* rq,
  61         struct re_s* entry
  62 );
  63
  64 LDAP_F( struct re_s* )
  65 ldap_pvt_runqueue_next_sched(
  66         struct runqueue_s* rq,
  67         struct timeval* next_run
  68 );
  69
  70 LDAP_F( void )
  71 ldap_pvt_runqueue_runtask(
  72         struct runqueue_s* rq,
  73         struct re_s* entry
  74 );
  75
  76 LDAP_F( void )
  77 ldap_pvt_runqueue_stoptask(
  78         struct runqueue_s* rq,
  79         struct re_s* entry
  80 );
  81
  82 LDAP_F( int )
  83 ldap_pvt_runqueue_isrunning(
  84         struct runqueue_s* rq,
  85         struct re_s* entry
  86 );
  87
  88 LDAP_F( void )
  89 ldap_pvt_runqueue_resched(
  90         struct runqueue_s* rq,
  91         struct re_s* entry,
  92         int defer
  93 );
  94
  95 LDAP_F( int )
  96 ldap_pvt_runqueue_persistent_backload(
  97         struct runqueue_s* rq
  98 );
  99
 100 LDAP_END_DECL
 101
 102 #endif