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