+/* ldap_int_thread.h - ldap internal thread wrappers header file */
/* $OpenLDAP$ */
-/*
- * Copyright 1998-2001 The OpenLDAP Foundation, Redwood City, California, USA
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2013 The OpenLDAP Foundation.
* All rights reserved.
*
* 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 at
- * http://www.OpenLDAP.org/license.html or in file LICENSE in the
- * top-level directory of the distribution.
+ * 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_int_thread.h - ldap internal thread wrappers header file */
+
+
+LDAP_BEGIN_DECL
+
+/* Can be done twice in libldap_r. See libldap_r/ldap_thr_debug.h. */
+LDAP_F(int) ldap_int_thread_initialize LDAP_P(( void ));
+LDAP_F(int) ldap_int_thread_destroy LDAP_P(( void ));
+
+LDAP_END_DECL
+
#ifndef _LDAP_INT_THREAD_H
#define _LDAP_INT_THREAD_H
typedef pthread_t ldap_int_thread_t;
typedef pthread_mutex_t ldap_int_thread_mutex_t;
typedef pthread_cond_t ldap_int_thread_cond_t;
+typedef pthread_key_t ldap_int_thread_key_t;
+
+#define ldap_int_thread_equal(a, b) pthread_equal((a), (b))
#if defined( _POSIX_REENTRANT_FUNCTIONS ) || \
defined( _POSIX_THREAD_SAFE_FUNCTIONS ) || \
#define LDAP_THREAD_HAVE_SETCONCURRENCY 1
#endif
-#if 0 && defined( HAVE_PTHREAD_RWLOCK_DESTROY )
+#if defined( HAVE_PTHREAD_RWLOCK_DESTROY )
#define LDAP_THREAD_HAVE_RDWR 1
-typedef pthread_rwlock_t ldap_pvt_thread_rdwr_t;
+typedef pthread_rwlock_t ldap_int_thread_rdwr_t;
+#endif
+
+#ifndef LDAP_INT_MUTEX_NULL
+#define LDAP_INT_MUTEX_NULL PTHREAD_MUTEX_INITIALIZER
+#define LDAP_INT_MUTEX_FIRSTCREATE(m) ((void) 0)
#endif
LDAP_END_DECL
#if defined( HAVE_MACH_CTHREADS_H )
# include <mach/cthreads.h>
-#elif defined( HAVE_CTHREAD_H
+#elif defined( HAVE_CTHREADS_H )
# include <cthreads.h>
#endif
typedef cthread_t ldap_int_thread_t;
typedef struct mutex ldap_int_thread_mutex_t;
typedef struct condition ldap_int_thread_cond_t;
+typedef cthread_key_t ldap_int_thread_key_t;
+
+#ifndef LDAP_INT_MUTEX_NULL
+#define LDAP_INT_MUTEX_NULL MUTEX_INITIALIZER
+#define LDAP_INT_MUTEX_FIRSTCREATE(m) ((void) 0)
+#endif
LDAP_END_DECL
typedef pth_t ldap_int_thread_t;
typedef pth_mutex_t ldap_int_thread_mutex_t;
typedef pth_cond_t ldap_int_thread_cond_t;
+typedef pth_key_t ldap_int_thread_key_t;
#if 0
#define LDAP_THREAD_HAVE_RDWR 1
-typedef pth_rwlock_t ldap_pvt_thread_rdwr_t;
+typedef pth_rwlock_t ldap_int_thread_rdwr_t;
+#endif
+
+#ifndef LDAP_INT_MUTEX_NULL
+#define LDAP_INT_MUTEX_NULL PTH_MUTEX_INIT
+#define LDAP_INT_MUTEX_FIRSTCREATE(m) ((void) 0)
#endif
LDAP_END_DECL
typedef thread_t ldap_int_thread_t;
typedef mutex_t ldap_int_thread_mutex_t;
typedef cond_t ldap_int_thread_cond_t;
+typedef thread_key_t ldap_int_thread_key_t;
#define HAVE_REENTRANT_FUNCTIONS 1
#define LDAP_THREAD_HAVE_SETCONCURRENCY 1
#endif
-LDAP_END_DECL
+#ifndef LDAP_INT_MUTEX_NULL
+#define LDAP_INT_MUTEX_NULL DEFAULTMUTEX
+#define LDAP_INT_MUTEX_FIRSTCREATE(m) ((void) 0)
+#endif
-#elif defined( HAVE_LWP )
+#elif defined(HAVE_NT_THREADS)
/*************************************
* *
- * thread definitions for SunOS LWP *
+ * thread definitions for NT threads *
* *
*************************************/
-#include <lwp/lwp.h>
-#include <lwp/stackdep.h>
-#define LDAP_THREAD_HAVE_SLEEP 1
-
-LDAP_BEGIN_DECL
-
-typedef thread_t ldap_int_thread_t;
-typedef mon_t ldap_int_thread_mutex_t;
-struct ldap_int_thread_lwp_cv {
- int lcv_created;
- cv_t lcv_cv;
-};
-typedef struct ldap_int_thread_lwp_cv ldap_int_thread_cond_t;
-
-#define HAVE_REENTRANT_FUNCTIONS 1
-
-LDAP_END_DECL
-
-#elif defined(HAVE_NT_THREADS)
-
#include <process.h>
#include <windows.h>
typedef unsigned long ldap_int_thread_t;
typedef HANDLE ldap_int_thread_mutex_t;
typedef HANDLE ldap_int_thread_cond_t;
+typedef DWORD ldap_int_thread_key_t;
+
+#ifndef LDAP_INT_MUTEX_NULL
+#define LDAP_INT_MUTEX_NULL ((HANDLE)0)
+#define LDAP_INT_MUTEX_FIRSTCREATE(m) \
+ ((void) ((m) || ldap_pvt_thread_mutex_init(&(m))))
+#endif
LDAP_END_DECL
#else
-
/***********************************
* *
* thread definitions for no *
typedef int ldap_int_thread_t;
typedef int ldap_int_thread_mutex_t;
typedef int ldap_int_thread_cond_t;
+typedef int ldap_int_thread_key_t;
#define LDAP_THREAD_HAVE_TPOOL 1
typedef int ldap_int_thread_pool_t;
+#ifndef LDAP_INT_MUTEX_NULL
+#define LDAP_INT_MUTEX_NULL 0
+#define LDAP_INT_MUTEX_FIRSTCREATE(m) ((void) 0)
+#endif
+
LDAP_END_DECL
#endif /* no threads support */
+
LDAP_BEGIN_DECL
-LDAP_F(int) ldap_int_thread_initialize LDAP_P(( void ));
-LDAP_F(int) ldap_int_thread_destroy LDAP_P(( void ));
+#ifndef ldap_int_thread_equal
+#define ldap_int_thread_equal(a, b) ((a) == (b))
+#endif
+
+#ifndef LDAP_THREAD_HAVE_RDWR
+typedef struct ldap_int_thread_rdwr_s * ldap_int_thread_rdwr_t;
+#endif
+
LDAP_F(int) ldap_int_thread_pool_startup ( void );
LDAP_F(int) ldap_int_thread_pool_shutdown ( void );
typedef struct ldap_int_thread_pool_s * ldap_int_thread_pool_t;
#endif
+typedef struct ldap_int_thread_rmutex_s * ldap_int_thread_rmutex_t;
LDAP_END_DECL
+
+#if defined(LDAP_THREAD_DEBUG) && !((LDAP_THREAD_DEBUG +0) & 2U)
+#define LDAP_THREAD_DEBUG_WRAP 1
+#endif
+
+#ifdef LDAP_THREAD_DEBUG_WRAP
+/**************************************
+ * *
+ * definitions for type-wrapped debug *
+ * *
+ **************************************/
+
+LDAP_BEGIN_DECL
+
+#ifndef LDAP_UINTPTR_T /* May be configured in CPPFLAGS */
+#define LDAP_UINTPTR_T unsigned long
+#endif
+
+typedef enum {
+ ldap_debug_magic = -(int) (((unsigned)-1)/19)
+} ldap_debug_magic_t;
+
+typedef enum {
+ /* Could fill in "locked" etc here later */
+ ldap_debug_state_inited = (int) (((unsigned)-1)/11),
+ ldap_debug_state_destroyed
+} ldap_debug_state_t;
+
+typedef struct {
+ /* Enclosed in magic numbers in the hope of catching overwrites */
+ ldap_debug_magic_t magic; /* bit pattern to recognize usages */
+ LDAP_UINTPTR_T self; /* ~(LDAP_UINTPTR_T)&(this struct) */
+ union ldap_debug_mem_u { /* Dummy memory reference */
+ unsigned char *ptr;
+ LDAP_UINTPTR_T num;
+ } mem;
+ ldap_debug_state_t state; /* doubles as another magic number */
+} ldap_debug_usage_info_t;
+
+typedef struct {
+ ldap_int_thread_mutex_t wrapped;
+ ldap_debug_usage_info_t usage;
+ ldap_int_thread_t owner;
+} ldap_debug_thread_mutex_t;
+
+#define LDAP_DEBUG_MUTEX_NULL {LDAP_INT_MUTEX_NULL, {0,0,{0},0} /*,owner*/}
+#define LDAP_DEBUG_MUTEX_FIRSTCREATE(m) \
+ ((void) ((m).usage.state || ldap_pvt_thread_mutex_init(&(m))))
+
+typedef struct {
+ ldap_int_thread_cond_t wrapped;
+ ldap_debug_usage_info_t usage;
+} ldap_debug_thread_cond_t;
+
+typedef struct {
+ ldap_int_thread_rdwr_t wrapped;
+ ldap_debug_usage_info_t usage;
+} ldap_debug_thread_rdwr_t;
+
+#ifndef NDEBUG
+#define LDAP_INT_THREAD_ASSERT_MUTEX_OWNER(mutex) \
+ ldap_debug_thread_assert_mutex_owner( \
+ __FILE__, __LINE__, "owns(" #mutex ")", mutex )
+LDAP_F(void) ldap_debug_thread_assert_mutex_owner LDAP_P((
+ LDAP_CONST char *file,
+ int line,
+ LDAP_CONST char *msg,
+ ldap_debug_thread_mutex_t *mutex ));
+#endif /* NDEBUG */
+
+LDAP_END_DECL
+
+#endif /* LDAP_THREAD_DEBUG_WRAP */
+
#endif /* _LDAP_INT_THREAD_H */