-/*
- * Copyright 1998,1999 The OpenLDAP Foundation, Redwood City, California, USA
+/* ldap_pvt_thread.h - ldap threads header file */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2009 The OpenLDAP Foundation.
* All rights reserved.
*
- * Redistribution and use in source and binary forms are permitted only
- * as authorized by the OpenLDAP Public License. A copy of this
- * license is available at http://www.OpenLDAP.org/license.html or
- * in file LICENSE in the top-level directory of the distribution.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
*/
-/* ldap_pvt_thread.h - ldap threads header file NG */
#ifndef _LDAP_PVT_THREAD_H
-#define _LDAP_PVT_THREAD_H
+#define _LDAP_PVT_THREAD_H /* libldap_r/ldap_thr_debug.h #undefines this */
#include "ldap_cdefs.h"
-
-#if defined( HAVE_PTHREADS )
-/**********************************
- * *
- * definitions for POSIX Threads *
- * *
- **********************************/
-
-#include <pthread.h>
-#ifdef HAVE_SCHED_H
-#include <sched.h>
-#endif
-
-LDAP_BEGIN_DECL
-
-typedef pthread_t ldap_pvt_thread_t;
-typedef pthread_mutex_t ldap_pvt_thread_mutex_t;
-typedef pthread_cond_t ldap_pvt_thread_cond_t;
-
-#if defined( _POSIX_REENTRANT_FUNCTIONS ) || \
- defined( _POSIX_THREAD_SAFE_FUNCTIONS ) || \
- defined( _POSIX_THREADSAFE_FUNCTIONS )
-#define HAVE_REENTRANT_FUNCTIONS 1
-#endif
-
-#if defined( HAVE_PTHREAD_GETCONCURRENCY ) || \
- defined( HAVE_THR_GETCONCURRENCY )
-#define HAVE_GETCONCURRENCY 1
-#endif
-
-#if defined( HAVE_PTHREAD_SETCONCURRENCY ) || \
- defined( HAVE_THR_SETCONCURRENCY )
-#define HAVE_SETCONCURRENCY 1
-#endif
-
-LDAP_END_DECL
-
-#elif defined ( HAVE_MACH_CTHREADS )
-/**********************************
- * *
- * definitions for Mach CThreads *
- * *
- **********************************/
-
-#include <mach/cthreads.h>
-
-LDAP_BEGIN_DECL
-
-typedef cthread_t ldap_pvt_thread_t;
-typedef struct mutex ldap_pvt_thread_mutex_t;
-typedef struct condition ldap_pvt_thread_cond_t;
-
-LDAP_END_DECL
-
-#elif defined( HAVE_THR )
-/********************************************
- * *
- * thread definitions for Solaris LWP (THR) *
- * *
- ********************************************/
-
-#include <thread.h>
-#include <synch.h>
-
-LDAP_BEGIN_DECL
-
-typedef thread_t ldap_pvt_thread_t;
-typedef mutex_t ldap_pvt_thread_mutex_t;
-typedef cond_t ldap_pvt_thread_cond_t;
-
-#define HAVE_REENTRANT_FUNCTIONS 1
-
-#ifdef HAVE_THR_GETCONCURRENCY
-#define HAVE_GETCONCURRENCY 1
-#endif
-#ifdef HAVE_THR_SETCONCURRENCY
-#define HAVE_SETCONCURRENCY 1
-#endif
-
-LDAP_END_DECL
-
-#elif defined( HAVE_LWP )
-/*************************************
- * *
- * thread definitions for SunOS LWP *
- * *
- *************************************/
-
-#include <lwp/lwp.h>
-#include <lwp/stackdep.h>
-
-LDAP_BEGIN_DECL
-
-typedef thread_t ldap_pvt_thread_t;
-typedef mon_t ldap_pvt_thread_mutex_t;
-struct lwpcv {
- int lcv_created;
- cv_t lcv_cv;
-};
-typedef struct lwpcv ldap_pvt_thread_cond_t;
-
-#define HAVE_REENTRANT_FUNCTIONS 1
-
-LDAP_END_DECL
-
-#elif HAVE_NT_THREADS
-
-#include <windows.h>
-#include <process.h>
+#include "ldap_int_thread.h"
LDAP_BEGIN_DECL
-typedef HANDLE ldap_pvt_thread_t;
-typedef HANDLE ldap_pvt_thread_mutex_t;
-typedef HANDLE ldap_pvt_thread_cond_t;
-
-LDAP_END_DECL
-
+#ifndef LDAP_PVT_THREAD_H_DONE
+typedef ldap_int_thread_t ldap_pvt_thread_t;
+#ifdef LDAP_THREAD_DEBUG_WRAP
+typedef ldap_debug_thread_mutex_t ldap_pvt_thread_mutex_t;
+typedef ldap_debug_thread_cond_t ldap_pvt_thread_cond_t;
+typedef ldap_debug_thread_rdwr_t ldap_pvt_thread_rdwr_t;
#else
-
-/***********************************
- * *
- * thread definitions for no *
- * underlying library support *
- * *
- ***********************************/
-
-LDAP_BEGIN_DECL
-
-#ifndef NO_THREADS
-#define NO_THREADS 1
+typedef ldap_int_thread_mutex_t ldap_pvt_thread_mutex_t;
+typedef ldap_int_thread_cond_t ldap_pvt_thread_cond_t;
+typedef ldap_int_thread_rdwr_t ldap_pvt_thread_rdwr_t;
#endif
+typedef ldap_int_thread_rmutex_t ldap_pvt_thread_rmutex_t;
+typedef ldap_int_thread_key_t ldap_pvt_thread_key_t;
+#endif /* !LDAP_PVT_THREAD_H_DONE */
-typedef int ldap_pvt_thread_t;
-typedef int ldap_pvt_thread_mutex_t;
-typedef int ldap_pvt_thread_cond_t;
-
-LDAP_END_DECL
+#define ldap_pvt_thread_equal ldap_int_thread_equal
-#endif /* no threads support */
+LDAP_F( int )
+ldap_pvt_thread_initialize LDAP_P(( void ));
-#ifndef NO_THREADS
-# define HAVE_THREADS 1
+LDAP_F( int )
+ldap_pvt_thread_destroy LDAP_P(( void ));
-#endif
+LDAP_F( unsigned int )
+ldap_pvt_thread_sleep LDAP_P(( unsigned int s ));
-LDAP_BEGIN_DECL
+LDAP_F( int )
+ldap_pvt_thread_get_concurrency LDAP_P(( void ));
-LDAP_F int
-ldap_pvt_thread_initialize LDAP_P(( void ));
+LDAP_F( int )
+ldap_pvt_thread_set_concurrency LDAP_P(( int ));
-LDAP_F unsigned int
-ldap_pvt_thread_sleep LDAP_P(( unsigned int s ));
+#define LDAP_PVT_THREAD_CREATE_JOINABLE 0
+#define LDAP_PVT_THREAD_CREATE_DETACHED 1
-#ifdef HAVE_GETCONCURRENCY
-LDAP_F int
-ldap_pvt_thread_getconcurrency LDAP_P(( void ));
-#endif
-#ifdef HAVE_SETCONCURRENCY
-# ifndef LDAP_THREAD_CONCURRENCY
- /* three concurrent threads should be enough */
-# define LDAP_THREAD_CONCURRENCY 3
-# endif
-LDAP_F int
-ldap_pvt_thread_setconcurrency LDAP_P(( int ));
+#ifndef LDAP_PVT_THREAD_H_DONE
+#define LDAP_PVT_THREAD_SET_STACK_SIZE
+/* The size may be explicitly #defined to zero to disable it. */
+#if defined( LDAP_PVT_THREAD_STACK_SIZE ) && LDAP_PVT_THREAD_STACK_SIZE == 0
+# undef LDAP_PVT_THREAD_SET_STACK_SIZE
+#elif !defined( LDAP_PVT_THREAD_STACK_SIZE )
+ /* LARGE stack. Will be twice as large on 64 bit machine. */
+# define LDAP_PVT_THREAD_STACK_SIZE ( 1 * 1024 * 1024 * sizeof(void *) )
#endif
+#endif /* !LDAP_PVT_THREAD_H_DONE */
-LDAP_F int
+LDAP_F( int )
ldap_pvt_thread_create LDAP_P((
- ldap_pvt_thread_t * thread,
+ ldap_pvt_thread_t * thread,
int detach,
- void *(*start_routine)( void * ),
+ void *(*start_routine)( void * ),
void *arg));
-LDAP_F void
+LDAP_F( void )
ldap_pvt_thread_exit LDAP_P(( void *retval ));
-LDAP_F int
+LDAP_F( int )
ldap_pvt_thread_join LDAP_P(( ldap_pvt_thread_t thread, void **status ));
-LDAP_F int
+LDAP_F( int )
ldap_pvt_thread_kill LDAP_P(( ldap_pvt_thread_t thread, int signo ));
-LDAP_F int
+LDAP_F( int )
ldap_pvt_thread_yield LDAP_P(( void ));
-LDAP_F int
+LDAP_F( int )
ldap_pvt_thread_cond_init LDAP_P(( ldap_pvt_thread_cond_t *cond ));
-LDAP_F int
+LDAP_F( int )
+ldap_pvt_thread_cond_destroy LDAP_P(( ldap_pvt_thread_cond_t *cond ));
+
+LDAP_F( int )
ldap_pvt_thread_cond_signal LDAP_P(( ldap_pvt_thread_cond_t *cond ));
-LDAP_F int
+LDAP_F( int )
ldap_pvt_thread_cond_broadcast LDAP_P(( ldap_pvt_thread_cond_t *cond ));
-LDAP_F int
+LDAP_F( int )
ldap_pvt_thread_cond_wait LDAP_P((
- ldap_pvt_thread_cond_t *cond,
+ ldap_pvt_thread_cond_t *cond,
ldap_pvt_thread_mutex_t *mutex ));
-LDAP_F int
+LDAP_F( int )
ldap_pvt_thread_mutex_init LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
-LDAP_F int
+LDAP_F( int )
ldap_pvt_thread_mutex_destroy LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
-LDAP_F int
+LDAP_F( int )
ldap_pvt_thread_mutex_lock LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
-LDAP_F int
+LDAP_F( int )
ldap_pvt_thread_mutex_trylock LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
-LDAP_F int
+LDAP_F( int )
ldap_pvt_thread_mutex_unlock LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
-typedef struct ldap_pvt_thread_rdwr_var {
- int lt_readers_reading;
- int lt_writer_writing;
- ldap_pvt_thread_mutex_t lt_mutex;
- ldap_pvt_thread_cond_t lt_lock_free;
-} ldap_pvt_thread_rdwr_t;
+LDAP_F( int )
+ldap_pvt_thread_rmutex_init LDAP_P(( ldap_pvt_thread_rmutex_t *rmutex ));
-#define LDAP_PVT_THREAD_CREATE_DETACHED 1
-#define LDAP_PVT_THREAD_CREATE_JOINABLE 0
+LDAP_F( int )
+ldap_pvt_thread_rmutex_destroy LDAP_P(( ldap_pvt_thread_rmutex_t *rmutex ));
-LDAP_F int
+LDAP_F( int )
+ldap_pvt_thread_rmutex_lock LDAP_P(( ldap_pvt_thread_rmutex_t *rmutex,
+ ldap_pvt_thread_t owner));
+
+LDAP_F( int )
+ldap_pvt_thread_rmutex_trylock LDAP_P(( ldap_pvt_thread_rmutex_t *rmutex,
+ ldap_pvt_thread_t owner));
+
+LDAP_F( int )
+ldap_pvt_thread_rmutex_unlock LDAP_P(( ldap_pvt_thread_rmutex_t *rmutex,
+ ldap_pvt_thread_t owner));
+
+LDAP_F( ldap_pvt_thread_t )
+ldap_pvt_thread_self LDAP_P(( void ));
+
+#ifdef LDAP_INT_THREAD_ASSERT_MUTEX_OWNER
+#define LDAP_PVT_THREAD_ASSERT_MUTEX_OWNER LDAP_INT_THREAD_ASSERT_MUTEX_OWNER
+#else
+#define LDAP_PVT_THREAD_ASSERT_MUTEX_OWNER(mutex) ((void) 0)
+#endif
+
+LDAP_F( int )
ldap_pvt_thread_rdwr_init LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
-LDAP_F int
+
+LDAP_F( int )
+ldap_pvt_thread_rdwr_destroy LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
+
+LDAP_F( int )
ldap_pvt_thread_rdwr_rlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
-LDAP_F int
+
+LDAP_F( int )
+ldap_pvt_thread_rdwr_rtrylock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
+
+LDAP_F( int )
ldap_pvt_thread_rdwr_runlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
-LDAP_F int
+
+LDAP_F( int )
ldap_pvt_thread_rdwr_wlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
-LDAP_F int
+
+LDAP_F( int )
+ldap_pvt_thread_rdwr_wtrylock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
+
+LDAP_F( int )
ldap_pvt_thread_rdwr_wunlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
+LDAP_F( int )
+ldap_pvt_thread_key_create LDAP_P((ldap_pvt_thread_key_t *keyp));
+
+LDAP_F( int )
+ldap_pvt_thread_key_destroy LDAP_P((ldap_pvt_thread_key_t key));
+
+LDAP_F( int )
+ldap_pvt_thread_key_setdata LDAP_P((ldap_pvt_thread_key_t key, void *data));
+
+LDAP_F( int )
+ldap_pvt_thread_key_getdata LDAP_P((ldap_pvt_thread_key_t key, void **data));
+
#ifdef LDAP_DEBUG
-LDAP_F int
-ldap_pvt_thread_rdwr_rchk LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
-LDAP_F int
-ldap_pvt_thread_rdwr_wchk LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
-LDAP_F int
-ldap_pvt_thread_rdwr_rwchk LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
+LDAP_F( int )
+ldap_pvt_thread_rdwr_readers LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
+
+LDAP_F( int )
+ldap_pvt_thread_rdwr_writers LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
+
+LDAP_F( int )
+ldap_pvt_thread_rdwr_active LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
#endif /* LDAP_DEBUG */
+#define LDAP_PVT_THREAD_EINVAL EINVAL
+#define LDAP_PVT_THREAD_EBUSY EINVAL
+
+#ifndef LDAP_PVT_THREAD_H_DONE
+typedef ldap_int_thread_pool_t ldap_pvt_thread_pool_t;
+
+typedef void * (ldap_pvt_thread_start_t) LDAP_P((void *ctx, void *arg));
+typedef void (ldap_pvt_thread_pool_keyfree_t) LDAP_P((void *key, void *data));
+#endif /* !LDAP_PVT_THREAD_H_DONE */
+
+LDAP_F( int )
+ldap_pvt_thread_pool_init LDAP_P((
+ ldap_pvt_thread_pool_t *pool_out,
+ int max_threads,
+ int max_pending ));
+
+LDAP_F( int )
+ldap_pvt_thread_pool_submit LDAP_P((
+ ldap_pvt_thread_pool_t *pool,
+ ldap_pvt_thread_start_t *start,
+ void *arg ));
+
+LDAP_F( int )
+ldap_pvt_thread_pool_maxthreads LDAP_P((
+ ldap_pvt_thread_pool_t *pool,
+ int max_threads ));
+
+#ifndef LDAP_PVT_THREAD_H_DONE
+typedef enum {
+ LDAP_PVT_THREAD_POOL_PARAM_UNKNOWN = -1,
+ LDAP_PVT_THREAD_POOL_PARAM_MAX,
+ LDAP_PVT_THREAD_POOL_PARAM_MAX_PENDING,
+ LDAP_PVT_THREAD_POOL_PARAM_OPEN,
+ LDAP_PVT_THREAD_POOL_PARAM_STARTING,
+ LDAP_PVT_THREAD_POOL_PARAM_ACTIVE,
+ LDAP_PVT_THREAD_POOL_PARAM_PAUSING,
+ LDAP_PVT_THREAD_POOL_PARAM_PENDING,
+ LDAP_PVT_THREAD_POOL_PARAM_BACKLOAD,
+ LDAP_PVT_THREAD_POOL_PARAM_ACTIVE_MAX,
+ LDAP_PVT_THREAD_POOL_PARAM_PENDING_MAX,
+ LDAP_PVT_THREAD_POOL_PARAM_BACKLOAD_MAX,
+ LDAP_PVT_THREAD_POOL_PARAM_STATE
+} ldap_pvt_thread_pool_param_t;
+#endif /* !LDAP_PVT_THREAD_H_DONE */
+
+LDAP_F( int )
+ldap_pvt_thread_pool_query LDAP_P((
+ ldap_pvt_thread_pool_t *pool,
+ ldap_pvt_thread_pool_param_t param, void *value ));
+
+LDAP_F( int )
+ldap_pvt_thread_pool_pausing LDAP_P((
+ ldap_pvt_thread_pool_t *pool ));
+
+LDAP_F( int )
+ldap_pvt_thread_pool_backload LDAP_P((
+ ldap_pvt_thread_pool_t *pool ));
+
+LDAP_F( int )
+ldap_pvt_thread_pool_pausecheck LDAP_P((
+ ldap_pvt_thread_pool_t *pool ));
+
+LDAP_F( int )
+ldap_pvt_thread_pool_pause LDAP_P((
+ ldap_pvt_thread_pool_t *pool ));
+
+LDAP_F( int )
+ldap_pvt_thread_pool_resume LDAP_P((
+ ldap_pvt_thread_pool_t *pool ));
+
+LDAP_F( int )
+ldap_pvt_thread_pool_destroy LDAP_P((
+ ldap_pvt_thread_pool_t *pool,
+ int run_pending ));
+
+LDAP_F( int )
+ldap_pvt_thread_pool_getkey LDAP_P((
+ void *ctx,
+ void *key,
+ void **data,
+ ldap_pvt_thread_pool_keyfree_t **kfree ));
+
+LDAP_F( int )
+ldap_pvt_thread_pool_setkey LDAP_P((
+ void *ctx,
+ void *key,
+ void *data,
+ ldap_pvt_thread_pool_keyfree_t *kfree,
+ void **olddatap,
+ ldap_pvt_thread_pool_keyfree_t **oldkfreep ));
+
+LDAP_F( void )
+ldap_pvt_thread_pool_purgekey LDAP_P(( void *key ));
+
+LDAP_F( void *)
+ldap_pvt_thread_pool_context LDAP_P(( void ));
+
+LDAP_F( void )
+ldap_pvt_thread_pool_context_reset LDAP_P(( void *key ));
+
+LDAP_F( ldap_pvt_thread_t )
+ldap_pvt_thread_pool_tid LDAP_P(( void *ctx ));
+
LDAP_END_DECL
-#endif /* _LDAP_THREAD_H */
+#define LDAP_PVT_THREAD_H_DONE
+#endif /* _LDAP_PVT_THREAD_H */