Merge remote-tracking branch 'origin/mdb.master'

[openldap] / include / ldap_int_thread.h

diff --git a/include/ldap_int_thread.h b/include/ldap_int_thread.h
index 1f2e81dd5856a03f748c70c8bba98b0c92c551e0..4fe31c37173877444488d483392dbaf9d1ee5950 100644 (file)
--- a/include/ldap_int_thread.h
+++ b/include/ldap_int_thread.h
@@ -2,7 +2,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  * 
- * Copyright 1998-2006 The OpenLDAP Foundation.
+ * Copyright 1998-2012 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -44,6 +44,7 @@ LDAP_BEGIN_DECL
 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))
 
@@ -63,11 +64,16 @@ typedef pthread_cond_t              ldap_int_thread_cond_t;
 #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_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
 
 #elif defined ( HAVE_MACH_CTHREADS )
@@ -79,7 +85,7 @@ 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
 
@@ -88,6 +94,12 @@ LDAP_BEGIN_DECL
 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
 
@@ -106,12 +118,18 @@ LDAP_BEGIN_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_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
 
 #elif defined( HAVE_THR )
@@ -129,6 +147,7 @@ LDAP_BEGIN_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
 
@@ -139,32 +158,10 @@ typedef cond_t                    ldap_int_thread_cond_t;
 #define LDAP_THREAD_HAVE_SETCONCURRENCY 1
 #endif
 
-LDAP_END_DECL
-
-#elif defined( HAVE_LWP )
-/*************************************
- *                                   *
- * thread definitions for SunOS LWP  *
- *                                   *
- *************************************/
-
-#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
+#ifndef LDAP_INT_MUTEX_NULL
+#define LDAP_INT_MUTEX_NULL    DEFAULTMUTEX
+#define LDAP_INT_MUTEX_FIRSTCREATE(m)  ((void) 0)
+#endif
 
 #elif defined(HAVE_NT_THREADS)
 /*************************************
@@ -181,6 +178,13 @@ LDAP_BEGIN_DECL
 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
 
@@ -201,10 +205,16 @@ LDAP_BEGIN_DECL
 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 */
@@ -227,6 +237,7 @@ 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
 
 
@@ -247,9 +258,25 @@ LDAP_BEGIN_DECL
 #define LDAP_UINTPTR_T unsigned long
 #endif
 
-typedef union {
-       unsigned char                   *ptr;
-       LDAP_UINTPTR_T                  num;
+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 {
@@ -258,6 +285,10 @@ typedef struct {
        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;