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[openldap] / include / ldap_pvt_thread.h
index cf070b220f3e31f42494ac6a3e20447c5f7405cc..ef8cb983a82a8c4b7f243f8660ff9cf18c4a1b7c 100644 (file)
-/*
- * 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 1998-2004 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
 
 #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 ldap_pvt_thread_lwp_cv {
-       int             lcv_created;
-       cv_t            lcv_cv;
-};
-typedef struct ldap_pvt_thread_lwp_cv ldap_pvt_thread_cond_t;
-
-#define HAVE_REENTRANT_FUNCTIONS 1
-
-LDAP_END_DECL
-
-#elif HAVE_NT_THREADS
+#include "ldap_int_thread.h"
 
 LDAP_BEGIN_DECL
 
-#define WIN32_LEAN_AND_MEAN
-#include <process.h>
-#include <windows.h>
-
-typedef unsigned long  ldap_pvt_thread_t;
-typedef HANDLE ldap_pvt_thread_mutex_t;
-typedef HANDLE ldap_pvt_thread_cond_t;
-
-LDAP_END_DECL
-
-#else
-
-/***********************************
- *                                 *
- * thread definitions for no       *
- * underlying library support      *
- *                                 *
- ***********************************/
-
-LDAP_BEGIN_DECL
-
-#ifndef NO_THREADS
-#define NO_THREADS 1
-#endif
-
-typedef int                    ldap_pvt_thread_t;
-typedef int                    ldap_pvt_thread_mutex_t;
-typedef int                    ldap_pvt_thread_cond_t;
-
-LDAP_END_DECL
-
-#endif /* no threads support */
-
-#ifndef NO_THREADS
-#      define HAVE_THREADS 1
-#endif
-
-LDAP_BEGIN_DECL
+typedef ldap_int_thread_t ldap_pvt_thread_t;
+typedef ldap_int_thread_mutex_t ldap_pvt_thread_mutex_t;
+typedef ldap_int_thread_cond_t ldap_pvt_thread_cond_t;
 
 LDAP_F( int )
 ldap_pvt_thread_initialize LDAP_P(( void ));
@@ -170,31 +35,28 @@ ldap_pvt_thread_destroy LDAP_P(( void ));
 LDAP_F( unsigned int )
 ldap_pvt_thread_sleep LDAP_P(( unsigned int s ));
 
-#ifdef HAVE_GETCONCURRENCY
 LDAP_F( int )
 ldap_pvt_thread_get_concurrency 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_set_concurrency LDAP_P(( int ));
-#endif
 
 #define LDAP_PVT_THREAD_CREATE_JOINABLE 0
 #define LDAP_PVT_THREAD_CREATE_DETACHED 1
 
-LDAP_F( int ) 
+#ifndef LDAP_PVT_THREAD_STACK_SIZE
+       /* LARGE stack */
+#define LDAP_PVT_THREAD_STACK_SIZE     (4*1024*1024)
+#endif
+
+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 )
@@ -220,7 +82,7 @@ ldap_pvt_thread_cond_broadcast LDAP_P(( ldap_pvt_thread_cond_t *cond ));
 
 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 )
@@ -238,17 +100,12 @@ ldap_pvt_thread_mutex_trylock LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
 LDAP_F( int )
 ldap_pvt_thread_mutex_unlock LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
 
-typedef struct ldap_pvt_thread_rdwr_var {
-       ldap_pvt_thread_mutex_t ltrw_mutex;     
-       ldap_pvt_thread_cond_t ltrw_read;       /* wait for read */
-       ldap_pvt_thread_cond_t ltrw_write;      /* wait for write */
-       int ltrw_valid;
-#define LDAP_PVT_THREAD_RDWR_VALID 0x0bad
-       int ltrw_r_active;
-       int ltrw_w_active;
-       int ltrw_r_wait;
-       int ltrw_w_wait;
-} ldap_pvt_thread_rdwr_t;
+LDAP_F( ldap_pvt_thread_t )
+ldap_pvt_thread_self LDAP_P(( void ));
+
+#ifndef LDAP_THREAD_HAVE_RDWR
+typedef struct ldap_int_thread_rdwr_s * ldap_pvt_thread_rdwr_t;
+#endif
 
 LDAP_F( int )
 ldap_pvt_thread_rdwr_init LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
@@ -288,6 +145,54 @@ ldap_pvt_thread_rdwr_active LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 #define LDAP_PVT_THREAD_EINVAL EINVAL
 #define LDAP_PVT_THREAD_EBUSY EINVAL
 
+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));
+
+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 ));
+
+LDAP_F( int )
+ldap_pvt_thread_pool_backload 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 ));
+
+LDAP_F( void *)
+ldap_pvt_thread_pool_context LDAP_P(( void ));
+
 LDAP_END_DECL
 
 #endif /* _LDAP_THREAD_H */