openldap/include/ldap_pvt_thread.h
1999-11-27 23:40:08 +00:00

308 lines
7.4 KiB
C

/* $OpenLDAP$ */
/*
* Copyright 1998,1999 The OpenLDAP Foundation, Redwood City, California, USA
* 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.
*/
/* 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_GNU_PTH )
/***********************************
* *
* thread definitions for GNU Pth *
* *
***********************************/
#include <pth.h>
LDAP_BEGIN_DECL
typedef pth_t ldap_pvt_thread_t;
typedef pth_mutex_t ldap_pvt_thread_mutex_t;
typedef pth_cond_t 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 defined(HAVE_NT_THREADS)
LDAP_BEGIN_DECL
#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 */
LDAP_BEGIN_DECL
LIBLDAP_F( int )
ldap_pvt_thread_initialize LDAP_P(( void ));
LIBLDAP_F( int )
ldap_pvt_thread_destroy LDAP_P(( void ));
LIBLDAP_F( unsigned int )
ldap_pvt_thread_sleep LDAP_P(( unsigned int s ));
#ifdef HAVE_GETCONCURRENCY
LIBLDAP_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
LIBLDAP_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
LIBLDAP_F( int )
ldap_pvt_thread_create LDAP_P((
ldap_pvt_thread_t * thread,
int detach,
void *(*start_routine)( void * ),
void *arg));
LIBLDAP_F( void )
ldap_pvt_thread_exit LDAP_P(( void *retval ));
LIBLDAP_F( int )
ldap_pvt_thread_join LDAP_P(( ldap_pvt_thread_t thread, void **status ));
LIBLDAP_F( int )
ldap_pvt_thread_kill LDAP_P(( ldap_pvt_thread_t thread, int signo ));
LIBLDAP_F( int )
ldap_pvt_thread_yield LDAP_P(( void ));
LIBLDAP_F( int )
ldap_pvt_thread_cond_init LDAP_P(( ldap_pvt_thread_cond_t *cond ));
LIBLDAP_F( int )
ldap_pvt_thread_cond_destroy LDAP_P(( ldap_pvt_thread_cond_t *cond ));
LIBLDAP_F( int )
ldap_pvt_thread_cond_signal LDAP_P(( ldap_pvt_thread_cond_t *cond ));
LIBLDAP_F( int )
ldap_pvt_thread_cond_broadcast LDAP_P(( ldap_pvt_thread_cond_t *cond ));
LIBLDAP_F( int )
ldap_pvt_thread_cond_wait LDAP_P((
ldap_pvt_thread_cond_t *cond,
ldap_pvt_thread_mutex_t *mutex ));
LIBLDAP_F( int )
ldap_pvt_thread_mutex_init LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
LIBLDAP_F( int )
ldap_pvt_thread_mutex_destroy LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
LIBLDAP_F( int )
ldap_pvt_thread_mutex_lock LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
LIBLDAP_F( int )
ldap_pvt_thread_mutex_trylock LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
LIBLDAP_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;
LIBLDAP_F( int )
ldap_pvt_thread_rdwr_init LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
LIBLDAP_F( int )
ldap_pvt_thread_rdwr_destroy LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
LIBLDAP_F( int )
ldap_pvt_thread_rdwr_rlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
LIBLDAP_F( int )
ldap_pvt_thread_rdwr_rtrylock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
LIBLDAP_F( int )
ldap_pvt_thread_rdwr_runlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
LIBLDAP_F( int )
ldap_pvt_thread_rdwr_wlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
LIBLDAP_F( int )
ldap_pvt_thread_rdwr_wtrylock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
LIBLDAP_F( int )
ldap_pvt_thread_rdwr_wunlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
#ifdef LDAP_DEBUG
LIBLDAP_F( int )
ldap_pvt_thread_rdwr_readers LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
LIBLDAP_F( int )
ldap_pvt_thread_rdwr_writers LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
LIBLDAP_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
LDAP_END_DECL
#endif /* _LDAP_THREAD_H */