+/* $OpenLDAP$ */
/*
- * Copyright 1998,1999 The OpenLDAP Foundation, Redwood City, California, USA
+ * Copyright 1998-2000 The OpenLDAP Foundation, Redwood City, California, USA
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted only
#ifndef _LDAP_PVT_THREAD_H
#define _LDAP_PVT_THREAD_H
-#include "portable.h"
+#include "ldap_cdefs.h"
#if defined( HAVE_PTHREADS )
/**********************************
LDAP_BEGIN_DECL
typedef pthread_t ldap_pvt_thread_t;
-typedef pthread_attr_t ldap_pvt_thread_attr_t;
typedef pthread_mutex_t ldap_pvt_thread_mutex_t;
-typedef pthread_mutexattr_t ldap_pvt_thread_mutexattr_t;
typedef pthread_cond_t ldap_pvt_thread_cond_t;
-typedef pthread_condattr_t ldap_pvt_thread_condattr_t;
-
-#define LDAP_PVT_THREAD_CREATE_DETACHED PTHREAD_CREATE_DETACHED
-#define LDAP_PVT_THREAD_CREATE_JOINABLE PTHREAD_CREATE_JOINABLE
#if defined( _POSIX_REENTRANT_FUNCTIONS ) || \
defined( _POSIX_THREAD_SAFE_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 )
LDAP_BEGIN_DECL
typedef cthread_t ldap_pvt_thread_t;
-typedef int ldap_pvt_thread_attr_t;
typedef struct mutex ldap_pvt_thread_mutex_t;
-typedef int ldap_pvt_thread_mutexattr_t;
typedef struct condition ldap_pvt_thread_cond_t;
-typedef int ldap_pvt_thread_condattr_t;
-#define LDAP_PVT_THREAD_CREATE_DETACHED 1
-#define LDAP_PVT_THREAD_CREATE_JOINABLE 0
+LDAP_END_DECL
+
+#elif defined( HAVE_GNU_PTH )
+/***********************************
+ * *
+ * thread definitions for GNU Pth *
+ * *
+ ***********************************/
+
+#define PTH_SYSCALL_SOFT 1
+#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 *
- * *
- **************************************/
+/********************************************
+ * *
+ * thread definitions for Solaris LWP (THR) *
+ * *
+ ********************************************/
#include <thread.h>
#include <synch.h>
LDAP_BEGIN_DECL
typedef thread_t ldap_pvt_thread_t;
-typedef int ldap_pvt_thread_attr_t;
typedef mutex_t ldap_pvt_thread_mutex_t;
-typedef int ldap_pvt_thread_mutexattr_t;
typedef cond_t ldap_pvt_thread_cond_t;
-typedef int ldap_pvt_thread_condattr_t;
-
-#define LDAP_PVT_THREAD_CREATE_DETACHED THR_DETACHED
-#define LDAP_PVT_THREAD_CREATE_JOINABLE 0
#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 )
LDAP_BEGIN_DECL
typedef thread_t ldap_pvt_thread_t;
-typedef int ldap_pvt_thread_attr_t;
typedef mon_t ldap_pvt_thread_mutex_t;
-typedef int ldap_pvt_thread_mutexattr_t;
-struct lwpcv {
+struct ldap_pvt_thread_lwp_cv {
int lcv_created;
cv_t lcv_cv;
};
-typedef struct lwpcv ldap_pvt_thread_cond_t;
-typedef int ldap_pvt_thread_condattr_t;
-
-#define LDAP_PVT_THREAD_CREATE_DETACHED 1
-#define LDAP_PVT_THREAD_CREATE_JOINABLE 0
+typedef struct ldap_pvt_thread_lwp_cv ldap_pvt_thread_cond_t;
#define HAVE_REENTRANT_FUNCTIONS 1
-stkalign_t *ldap_pvt_thread_get_stack( int *stacknop );
-void ldap_pvt_thread_free_stack( int *stackno );
-
LDAP_END_DECL
-#elif HAVE_NT_THREADS
+#elif defined(HAVE_NT_THREADS)
+
+LDAP_BEGIN_DECL
-#include <windows.h>
#include <process.h>
+#include <windows.h>
-typedef HANDLE ldap_pvt_thread_t;
-typedef int ldap_pvt_thread_attr_t;
-typedef HANDLE ldap_pvt_thread_mutex_t;
-typedef int ldap_pvt_thread_mutexattr_t;
-typedef HANDLE ldap_pvt_thread_cond_t;
-typedef int ldap_pvt_thread_condattr_t;
+typedef unsigned long ldap_pvt_thread_t;
+typedef HANDLE ldap_pvt_thread_mutex_t;
+typedef HANDLE ldap_pvt_thread_cond_t;
-#define LDAP_PVT_THREAD_CREATE_DETACHED 0
-#define LDAP_PVT_THREAD_CREATE_JOINABLE 0
+LDAP_END_DECL
#else
#endif
typedef int ldap_pvt_thread_t;
-typedef int ldap_pvt_thread_attr_t;
typedef int ldap_pvt_thread_mutex_t;
-typedef int ldap_pvt_thread_mutexattr_t;
typedef int ldap_pvt_thread_cond_t;
-typedef int ldap_pvt_thread_condattr_t;
-
-#define LDAP_PVT_THREAD_CREATE_DETACHED 0
-#define LDAP_PVT_THREAD_CREATE_JOINABLE 0
LDAP_END_DECL
#endif /* no threads support */
-#ifndef NO_THREADS
-# define HAVE_THREADS 1
+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
-LDAP_F int
-ldap_pvt_thread_create LDAP_P(( ldap_pvt_thread_t * thread,
- ldap_pvt_thread_attr_t *attr,
- void *(*start_routine)( void *),
- void *arg));
+#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
-LDAP_F void
+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 ));
-LDAP_F int
-ldap_pvt_thread_join LDAP_P(( ldap_pvt_thread_t thread,
- void **thread_return ));
+LIBLDAP_F( int )
+ldap_pvt_thread_join LDAP_P(( ldap_pvt_thread_t thread, void **status ));
-LDAP_F int
+LIBLDAP_F( int )
ldap_pvt_thread_kill LDAP_P(( ldap_pvt_thread_t thread, int signo ));
-LDAP_F int
+LIBLDAP_F( int )
ldap_pvt_thread_yield LDAP_P(( void ));
-LDAP_F int
-ldap_pvt_thread_attr_init LDAP_P(( ldap_pvt_thread_attr_t *attr ));
-
-LDAP_F int
-ldap_pvt_thread_attr_destroy LDAP_P(( ldap_pvt_thread_attr_t *attr ));
+LIBLDAP_F( int )
+ldap_pvt_thread_cond_init LDAP_P(( ldap_pvt_thread_cond_t *cond ));
-LDAP_F int
-ldap_pvt_thread_attr_setdetachstate LDAP_P(( ldap_pvt_thread_attr_t *attr,
- int dstate ));
+LIBLDAP_F( int )
+ldap_pvt_thread_cond_destroy LDAP_P(( ldap_pvt_thread_cond_t *cond ));
-LDAP_F int
-ldap_pvt_thread_cond_init LDAP_P(( ldap_pvt_thread_cond_t *cond,
- ldap_pvt_thread_condattr_t *attr ));
-
-LDAP_F int
+LIBLDAP_F( int )
ldap_pvt_thread_cond_signal LDAP_P(( ldap_pvt_thread_cond_t *cond ));
-LDAP_F int
+LIBLDAP_F( int )
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_mutex_t *mutex ));
+LIBLDAP_F( int )
+ldap_pvt_thread_cond_wait LDAP_P((
+ ldap_pvt_thread_cond_t *cond,
+ ldap_pvt_thread_mutex_t *mutex ));
-LDAP_F int
-ldap_pvt_thread_mutex_init LDAP_P(( ldap_pvt_thread_mutex_t *mutex,
- ldap_pvt_thread_mutexattr_t *attr ));
+LIBLDAP_F( int )
+ldap_pvt_thread_mutex_init LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
-LDAP_F int
+LIBLDAP_F( int )
ldap_pvt_thread_mutex_destroy LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
-LDAP_F int
+LIBLDAP_F( int )
ldap_pvt_thread_mutex_lock LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
-LDAP_F int
-ldap_pvt_thread_mutex_unlock LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
+LIBLDAP_F( int )
+ldap_pvt_thread_mutex_trylock LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
-#include <ldap_cdefs.h>
+LIBLDAP_F( int )
+ldap_pvt_thread_mutex_unlock LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
typedef struct ldap_pvt_thread_rdwr_var {
- int readers_reading;
- int writer_writing;
- ldap_pvt_thread_mutex_t mutex;
- ldap_pvt_thread_cond_t lock_free;
+ 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;
-typedef void * ldap_pvt_thread_rdwrattr_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));
-LDAP_F int
-ldap_pvt_thread_rdwr_init LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp,
- ldap_pvt_thread_rdwrattr_t *attrp));
-LDAP_F int
+LIBLDAP_F( int )
ldap_pvt_thread_rdwr_rlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
-LDAP_F int
+
+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));
-LDAP_F int
+
+LIBLDAP_F( int )
ldap_pvt_thread_rdwr_wlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
-LDAP_F int
+
+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
-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));
+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 */