mirror of
https://git.openldap.org/openldap/openldap.git
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310 lines
7.6 KiB
C
310 lines
7.6 KiB
C
/* ldap_int_thread.h - ldap internal thread wrappers header file */
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/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 1998-2007 The OpenLDAP Foundation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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LDAP_BEGIN_DECL
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/* Can be done twice in libldap_r. See libldap_r/ldap_thr_debug.h. */
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LDAP_F(int) ldap_int_thread_initialize LDAP_P(( void ));
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LDAP_F(int) ldap_int_thread_destroy LDAP_P(( void ));
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LDAP_END_DECL
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#ifndef _LDAP_INT_THREAD_H
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#define _LDAP_INT_THREAD_H
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#if defined( HAVE_PTHREADS )
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/**********************************
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* *
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* definitions for POSIX Threads *
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* *
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**********************************/
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#include <pthread.h>
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#ifdef HAVE_SCHED_H
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#include <sched.h>
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#endif
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LDAP_BEGIN_DECL
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typedef pthread_t ldap_int_thread_t;
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typedef pthread_mutex_t ldap_int_thread_mutex_t;
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typedef pthread_cond_t ldap_int_thread_cond_t;
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typedef pthread_key_t ldap_int_thread_key_t;
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#define ldap_int_thread_equal(a, b) pthread_equal((a), (b))
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#if defined( _POSIX_REENTRANT_FUNCTIONS ) || \
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defined( _POSIX_THREAD_SAFE_FUNCTIONS ) || \
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defined( _POSIX_THREADSAFE_FUNCTIONS )
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#define HAVE_REENTRANT_FUNCTIONS 1
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#endif
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#if defined( HAVE_PTHREAD_GETCONCURRENCY ) || \
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defined( HAVE_THR_GETCONCURRENCY )
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#define LDAP_THREAD_HAVE_GETCONCURRENCY 1
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#endif
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#if defined( HAVE_PTHREAD_SETCONCURRENCY ) || \
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defined( HAVE_THR_SETCONCURRENCY )
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#define LDAP_THREAD_HAVE_SETCONCURRENCY 1
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#endif
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#if defined( HAVE_PTHREAD_RWLOCK_DESTROY )
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#define LDAP_THREAD_HAVE_RDWR 1
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typedef pthread_rwlock_t ldap_int_thread_rdwr_t;
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#endif
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LDAP_END_DECL
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#elif defined ( HAVE_MACH_CTHREADS )
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/**********************************
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* *
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* definitions for Mach CThreads *
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* *
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**********************************/
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#if defined( HAVE_MACH_CTHREADS_H )
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# include <mach/cthreads.h>
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#elif defined( HAVE_CTHREAD_H
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# include <cthreads.h>
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#endif
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LDAP_BEGIN_DECL
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typedef cthread_t ldap_int_thread_t;
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typedef struct mutex ldap_int_thread_mutex_t;
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typedef struct condition ldap_int_thread_cond_t;
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typedef cthread_key_t ldap_int_thread_key_t;
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LDAP_END_DECL
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#elif defined( HAVE_GNU_PTH )
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/***********************************
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* *
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* thread definitions for GNU Pth *
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* *
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***********************************/
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#define PTH_SYSCALL_SOFT 1
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#include <pth.h>
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LDAP_BEGIN_DECL
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typedef pth_t ldap_int_thread_t;
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typedef pth_mutex_t ldap_int_thread_mutex_t;
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typedef pth_cond_t ldap_int_thread_cond_t;
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typedef pth_key_t ldap_int_thread_key_t;
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#if 0
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#define LDAP_THREAD_HAVE_RDWR 1
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typedef pth_rwlock_t ldap_int_thread_rdwr_t;
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#endif
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LDAP_END_DECL
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#elif defined( HAVE_THR )
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/********************************************
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* *
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* thread definitions for Solaris LWP (THR) *
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* *
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********************************************/
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#include <thread.h>
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#include <synch.h>
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LDAP_BEGIN_DECL
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typedef thread_t ldap_int_thread_t;
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typedef mutex_t ldap_int_thread_mutex_t;
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typedef cond_t ldap_int_thread_cond_t;
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typedef thread_key_t ldap_int_thread_key_t;
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#define HAVE_REENTRANT_FUNCTIONS 1
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#ifdef HAVE_THR_GETCONCURRENCY
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#define LDAP_THREAD_HAVE_GETCONCURRENCY 1
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#endif
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#ifdef HAVE_THR_SETCONCURRENCY
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#define LDAP_THREAD_HAVE_SETCONCURRENCY 1
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#endif
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LDAP_END_DECL
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#elif defined( HAVE_LWP )
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/*************************************
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* *
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* thread definitions for SunOS LWP *
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* *
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*************************************/
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#include <lwp/lwp.h>
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#include <lwp/stackdep.h>
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#define LDAP_THREAD_HAVE_SLEEP 1
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LDAP_BEGIN_DECL
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typedef thread_t ldap_int_thread_t;
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typedef mon_t ldap_int_thread_mutex_t;
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struct ldap_int_thread_lwp_cv {
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int lcv_created;
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cv_t lcv_cv;
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};
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typedef struct ldap_int_thread_lwp_cv ldap_int_thread_cond_t;
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#define HAVE_REENTRANT_FUNCTIONS 1
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LDAP_END_DECL
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#elif defined(HAVE_NT_THREADS)
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/*************************************
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* *
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* thread definitions for NT threads *
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* *
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*************************************/
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#include <process.h>
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#include <windows.h>
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LDAP_BEGIN_DECL
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typedef unsigned long ldap_int_thread_t;
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typedef HANDLE ldap_int_thread_mutex_t;
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typedef HANDLE ldap_int_thread_cond_t;
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typedef DWORD ldap_int_thread_key_t;
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LDAP_END_DECL
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#else
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/***********************************
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* *
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* thread definitions for no *
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* underlying library support *
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* *
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***********************************/
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#ifndef NO_THREADS
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#define NO_THREADS 1
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#endif
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LDAP_BEGIN_DECL
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typedef int ldap_int_thread_t;
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typedef int ldap_int_thread_mutex_t;
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typedef int ldap_int_thread_cond_t;
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typedef int ldap_int_thread_key_t;
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#define LDAP_THREAD_HAVE_TPOOL 1
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typedef int ldap_int_thread_pool_t;
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LDAP_END_DECL
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#endif /* no threads support */
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LDAP_BEGIN_DECL
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#ifndef ldap_int_thread_equal
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#define ldap_int_thread_equal(a, b) ((a) == (b))
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#endif
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#ifndef LDAP_THREAD_HAVE_RDWR
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typedef struct ldap_int_thread_rdwr_s * ldap_int_thread_rdwr_t;
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#endif
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LDAP_F(int) ldap_int_thread_pool_startup ( void );
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LDAP_F(int) ldap_int_thread_pool_shutdown ( void );
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#ifndef LDAP_THREAD_HAVE_TPOOL
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typedef struct ldap_int_thread_pool_s * ldap_int_thread_pool_t;
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#endif
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typedef struct ldap_int_thread_rmutex_s * ldap_int_thread_rmutex_t;
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LDAP_END_DECL
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#if defined(LDAP_THREAD_DEBUG) && !((LDAP_THREAD_DEBUG +0) & 2U)
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#define LDAP_THREAD_DEBUG_WRAP 1
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#endif
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#ifdef LDAP_THREAD_DEBUG_WRAP
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/**************************************
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* *
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* definitions for type-wrapped debug *
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* *
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**************************************/
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LDAP_BEGIN_DECL
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#ifndef LDAP_UINTPTR_T /* May be configured in CPPFLAGS */
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#define LDAP_UINTPTR_T unsigned long
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#endif
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typedef enum {
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ldap_debug_magic = -(int) (((unsigned)-1)/19)
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} ldap_debug_magic_t;
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typedef enum {
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/* Could fill in "locked" etc here later */
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ldap_debug_state_inited = (int) (((unsigned)-1)/11),
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ldap_debug_state_destroyed
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} ldap_debug_state_t;
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typedef struct {
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/* Enclosed in magic numbers in the hope of catching overwrites */
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ldap_debug_magic_t magic; /* bit pattern to recognize usages */
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LDAP_UINTPTR_T self; /* ~(LDAP_UINTPTR_T)&(this struct) */
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union ldap_debug_mem_u { /* Dummy memory reference */
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unsigned char *ptr;
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LDAP_UINTPTR_T num;
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} mem;
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ldap_debug_state_t state; /* doubles as another magic number */
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} ldap_debug_usage_info_t;
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typedef struct {
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ldap_int_thread_mutex_t wrapped;
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ldap_debug_usage_info_t usage;
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ldap_int_thread_t owner;
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} ldap_debug_thread_mutex_t;
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typedef struct {
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ldap_int_thread_cond_t wrapped;
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ldap_debug_usage_info_t usage;
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} ldap_debug_thread_cond_t;
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typedef struct {
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ldap_int_thread_rdwr_t wrapped;
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ldap_debug_usage_info_t usage;
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} ldap_debug_thread_rdwr_t;
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#ifndef NDEBUG
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#define LDAP_INT_THREAD_ASSERT_MUTEX_OWNER(mutex) \
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ldap_debug_thread_assert_mutex_owner( \
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__FILE__, __LINE__, "owns(" #mutex ")", mutex )
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LDAP_F(void) ldap_debug_thread_assert_mutex_owner LDAP_P((
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LDAP_CONST char *file,
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int line,
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LDAP_CONST char *msg,
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ldap_debug_thread_mutex_t *mutex ));
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#endif /* NDEBUG */
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LDAP_END_DECL
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#endif /* LDAP_THREAD_DEBUG_WRAP */
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#endif /* _LDAP_INT_THREAD_H */
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