Add implementation

1 files changed, 583 insertions, 0 deletions

diff --git a/mysql/ma_pthread.h b/mysql/ma_pthread.h
new file mode 100644
index 0000000..7383367
--- /dev/null
+++ b/mysql/ma_pthread.h
@@ -0,0 +1,583 @@
+/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+                 2016 MariaDB Corporation AB
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+   
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+   MA 02111-1301, USA */
+
+/* Defines to make different thread packages compatible */
+
+#ifndef _my_pthread_h
+#define _my_pthread_h
+
+#undef SAFE_MUTEX
+
+#include <errno.h>
+#ifndef ETIME
+#define ETIME ETIMEDOUT				/* For FreeBSD */
+#endif
+
+#ifdef  __cplusplus
+extern "C" {
+#endif /* __cplusplus */ 
+
+#if defined(_WIN32)
+
+typedef CRITICAL_SECTION pthread_mutex_t;
+
+typedef HANDLE		 pthread_t;
+typedef struct thread_attr {
+    DWORD dwStackSize ;
+    DWORD dwCreatingFlag ;
+    int priority ;
+} pthread_attr_t ;
+
+typedef struct { int dummy; } pthread_condattr_t;
+
+/* Implementation of posix conditions */
+
+typedef struct st_pthread_link {
+  DWORD thread_id;
+  struct st_pthread_link *next;
+} pthread_link;
+
+typedef struct {
+  uint32 waiting;
+
+  enum {
+    SIGNAL = 0,
+    BROADCAST = 1,
+    MAX_EVENTS = 2
+  } EVENTS;
+  HANDLE events[MAX_EVENTS];
+  CRITICAL_SECTION waiters_count_lock;
+} pthread_cond_t;
+
+#ifndef _TIMESPEC_DEFINED
+#if (!defined(_MSC_VER) || _MSC_VER < 1900)
+struct timespec {		/* For pthread_cond_timedwait() */
+    time_t tv_sec;
+    long tv_nsec;
+};
+#endif
+#endif
+
+typedef int pthread_mutexattr_t;
+#define pthread_self() GetCurrentThreadId()
+
+#define pthread_handler_decl(A,B) void * __cdecl A(void *B)
+typedef void * (__cdecl *pthread_handler)(void *);
+
+void win_pthread_init(void);
+
+int pthread_create(pthread_t *,pthread_attr_t *,pthread_handler,void *);
+int pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *attr);
+int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex);
+int pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex,
+			   struct timespec *abstime);
+int pthread_cond_signal(pthread_cond_t *cond);
+int pthread_cond_broadcast(pthread_cond_t *cond);
+int pthread_cond_destroy(pthread_cond_t *cond);
+int pthread_attr_init(pthread_attr_t *connect_att);
+int pthread_attr_setstacksize(pthread_attr_t *connect_att,DWORD stack);
+int pthread_attr_setprio(pthread_attr_t *connect_att,int priority);
+int pthread_attr_destroy(pthread_attr_t *connect_att);
+struct tm *localtime_r(const time_t *timep,struct tm *tmp);
+
+void pthread_exit(void *a);	 /* was #define pthread_exit(A) ExitThread(A)*/
+
+#ifndef OS2
+#define getpid() GetCurrentThreadId()
+#endif
+
+#define HAVE_LOCALTIME_R		1
+#define _REENTRANT			1
+#define HAVE_PTHREAD_ATTR_SETSTACKSIZE	1
+
+#undef SAFE_MUTEX				/* This will cause conflicts */
+#define pthread_key(T,V)  DWORD V
+#define pthread_key_create(A,B) ((*A=TlsAlloc())==0xFFFFFFFF)
+#define pthread_getspecific(A) (TlsGetValue(A))
+#define my_pthread_getspecific(T,A) ((T) TlsGetValue(A))
+#define my_pthread_getspecific_ptr(T,V) ((T) TlsGetValue(V))
+#define my_pthread_setspecific_ptr(T,V) (!TlsSetValue((T),(V)))
+#define pthread_setspecific(A,B) (!TlsSetValue((A),(B)))
+
+
+#define pthread_equal(A,B) ((A) == (B))
+
+#define pthread_mutex_init(A,B)  InitializeCriticalSection(A)
+#define pthread_mutex_lock(A)	 (EnterCriticalSection(A),0)
+#define pthread_mutex_trylock(A) (WaitForSingleObject((A), 0) == WAIT_TIMEOUT)
+#define pthread_mutex_unlock(A)  LeaveCriticalSection(A)
+#define pthread_mutex_destroy(A) DeleteCriticalSection(A)
+#define my_pthread_setprio(A,B)  SetThreadPriority(GetCurrentThread(), (B))
+#define pthread_kill(A,B) pthread_dummy(0)
+
+
+/* Dummy defines for easier code */
+#define pthread_attr_setdetachstate(A,B) pthread_dummy(0)
+#define my_pthread_attr_setprio(A,B) pthread_attr_setprio(A,B)
+#define pthread_attr_setscope(A,B)
+#define pthread_detach_this_thread()
+#define pthread_condattr_init(A)
+#define pthread_condattr_destroy(A)
+
+/*Irena: compiler does not like this: */
+/*#define my_pthread_getprio(pthread_t thread_id) pthread_dummy(0) */
+#define my_pthread_getprio(thread_id) pthread_dummy(0)
+
+#elif defined(HAVE_UNIXWARE7_THREADS)
+
+#include <thread.h>
+#include <synch.h>
+
+#ifndef _REENTRANT
+#define _REENTRANT
+#endif
+
+#define HAVE_NONPOSIX_SIGWAIT
+#define pthread_t thread_t
+#define pthread_cond_t cond_t
+#define pthread_mutex_t mutex_t
+#define pthread_key_t thread_key_t
+typedef int pthread_attr_t;			/* Needed by Unixware 7.0.0 */
+
+#define pthread_key_create(A,B) thr_keycreate((A),(B))
+
+#define pthread_handler_decl(A,B) void *A(void *B)
+#define pthread_key(T,V) pthread_key_t V
+
+void *	my_pthread_getspecific_imp(pthread_key_t key);
+#define my_pthread_getspecific(A,B) ((A) my_pthread_getspecific_imp(B))
+#define my_pthread_getspecific_ptr(T,V) my_pthread_getspecific(T,V)
+
+#define pthread_setspecific(A,B) thr_setspecific(A,B)
+#define my_pthread_setspecific_ptr(T,V) pthread_setspecific(T,V)
+
+#define pthread_create(A,B,C,D) thr_create(NULL,65536L,(C),(D),THR_DETACHED,(A))
+#define pthread_cond_init(a,b) cond_init((a),USYNC_THREAD,NULL)
+#define pthread_cond_destroy(a) cond_destroy(a)
+#define pthread_cond_signal(a) cond_signal(a)
+#define pthread_cond_wait(a,b) cond_wait((a),(b))
+#define pthread_cond_timedwait(a,b,c) cond_timedwait((a),(b),(c))
+#define pthread_cond_broadcast(a) cond_broadcast(a)
+
+#define pthread_mutex_init(a,b) mutex_init((a),USYNC_THREAD,NULL)
+#define pthread_mutex_lock(a) mutex_lock(a)
+#define pthread_mutex_unlock(a) mutex_unlock(a)
+#define pthread_mutex_destroy(a) mutex_destroy(a)
+
+#define pthread_self() thr_self()
+#define pthread_exit(A) thr_exit(A)
+#define pthread_equal(A,B) (((A) == (B)) ? 1 : 0)
+#define pthread_kill(A,B) thr_kill((A),(B))
+#define HAVE_PTHREAD_KILL
+
+#define pthread_sigmask(A,B,C) thr_sigsetmask((A),(B),(C))
+
+extern int my_sigwait(const sigset_t *set,int *sig);
+
+#define pthread_detach_this_thread() pthread_dummy(0)
+
+#define pthread_attr_init(A) pthread_dummy(0)
+#define pthread_attr_destroy(A) pthread_dummy(0)
+#define pthread_attr_setscope(A,B) pthread_dummy(0)
+#define pthread_attr_setdetachstate(A,B) pthread_dummy(0)
+#define my_pthread_setprio(A,B) pthread_dummy (0)
+#define my_pthread_getprio(A) pthread_dummy (0)
+#define my_pthread_attr_setprio(A,B) pthread_dummy(0)
+
+#else /* Normal threads */
+
+#ifdef HAVE_rts_threads
+#define sigwait org_sigwait
+#include <signal.h>
+#undef sigwait
+#endif
+#undef _REENTRANT			/* Fix if _REENTRANT is in pthread.h */
+#include <pthread.h>
+#ifndef _REENTRANT
+#define _REENTRANT
+#endif
+#ifdef HAVE_THR_SETCONCURRENCY
+#include <thread.h>			/* Probably solaris */
+#endif
+#ifdef HAVE_SCHED_H
+#include <sched.h>
+#endif
+#ifdef HAVE_SYNCH_H
+#include <synch.h>
+#endif
+#if defined(__EMX__) && (!defined(EMX_PTHREAD_REV) || (EMX_PTHREAD_REV < 2))
+#error Requires at least rev 2 of EMX pthreads library.
+#endif
+
+extern int my_pthread_getprio(pthread_t thread_id);
+
+#define pthread_key(T,V) pthread_key_t V
+#define my_pthread_getspecific_ptr(T,V) my_pthread_getspecific(T,(V))
+#define my_pthread_setspecific_ptr(T,V) pthread_setspecific(T,(void*) (V))
+#define pthread_detach_this_thread()
+#define pthread_handler_decl(A,B) void *A(void *B)
+typedef void *(* pthread_handler)(void *);
+
+/* Test first for RTS or FSU threads */
+
+#if defined(PTHREAD_SCOPE_GLOBAL) && !defined(PTHREAD_SCOPE_SYSTEM)
+#define HAVE_rts_threads
+extern int my_pthread_create_detached;
+#define pthread_sigmask(A,B,C) sigprocmask((A),(B),(C))
+#define PTHREAD_CREATE_DETACHED &my_pthread_create_detached
+#define PTHREAD_SCOPE_SYSTEM  PTHREAD_SCOPE_GLOBAL
+#define PTHREAD_SCOPE_PROCESS PTHREAD_SCOPE_LOCAL
+#define USE_ALARM_THREAD
+#endif /* defined(PTHREAD_SCOPE_GLOBAL) && !defined(PTHREAD_SCOPE_SYSTEM) */
+
+#if defined(HAVE_UNIXWARE7_POSIX)
+#undef HAVE_NONPOSIX_SIGWAIT
+#define HAVE_NONPOSIX_SIGWAIT	/* sigwait takes only 1 argument */
+#endif
+
+#ifndef HAVE_NONPOSIX_SIGWAIT
+#define my_sigwait(A,B) sigwait((A),(B))
+#else
+int my_sigwait(const sigset_t *set,int *sig);
+#endif
+
+#ifdef HAVE_NONPOSIX_PTHREAD_MUTEX_INIT
+#ifndef SAFE_MUTEX
+#define pthread_mutex_init(a,b) my_pthread_mutex_init((a),(b))
+extern int my_pthread_mutex_init(pthread_mutex_t *mp,
+				 const pthread_mutexattr_t *attr);
+#endif /* SAFE_MUTEX */
+#define pthread_cond_init(a,b) my_pthread_cond_init((a),(b))
+extern int my_pthread_cond_init(pthread_cond_t *mp,
+				const pthread_condattr_t *attr);
+#endif /* HAVE_NONPOSIX_PTHREAD_MUTEX_INIT */
+
+#if defined(HAVE_SIGTHREADMASK) && !defined(HAVE_PTHREAD_SIGMASK)
+#define pthread_sigmask(A,B,C) sigthreadmask((A),(B),(C))
+#endif
+
+#if !defined(HAVE_SIGWAIT) && !defined(HAVE_mit_thread) && !defined(HAVE_rts_threads) && !defined(sigwait) && !defined(alpha_linux_port) && !defined(HAVE_NONPOSIX_SIGWAIT) && !defined(HAVE_DEC_3_2_THREADS) && !defined(_AIX)
+int sigwait(sigset_t *setp, int *sigp);		/* Use our implemention */
+#endif
+#if !defined(HAVE_SIGSET) && !defined(my_sigset)
+#define my_sigset(A,B) do { struct sigaction s; sigset_t set;           \
+                         sigemptyset(&set);                             \
+                         s.sa_handler = (B);                            \
+                         s.sa_mask    = set;                            \
+                         s.sa_flags   = 0;                              \
+                         sigaction((A), &s, (struct sigaction *) NULL); \
+                       } while (0)
+#elif !defined(my_sigset)
+  #define my_sigset(A,B) signal((A),(B))
+#endif
+
+#ifndef my_pthread_setprio
+#if defined(HAVE_PTHREAD_SETPRIO_NP)		/* FSU threads */
+#define my_pthread_setprio(A,B) pthread_setprio_np((A),(B))
+#elif defined(HAVE_PTHREAD_SETPRIO)
+#define my_pthread_setprio(A,B) pthread_setprio((A),(B))
+#else
+extern void my_pthread_setprio(pthread_t thread_id,int prior);
+#endif
+#endif
+
+#ifndef my_pthread_attr_setprio
+#ifdef HAVE_PTHREAD_ATTR_SETPRIO
+#define my_pthread_attr_setprio(A,B) pthread_attr_setprio((A),(B))
+#else
+extern void my_pthread_attr_setprio(pthread_attr_t *attr, int priority);
+#endif
+#endif
+
+#if !defined(HAVE_PTHREAD_ATTR_SETSCOPE) || defined(HAVE_DEC_3_2_THREADS)
+#define pthread_attr_setscope(A,B)
+#undef	HAVE_GETHOSTBYADDR_R			/* No definition */
+#endif
+
+#if defined(HAVE_BROKEN_PTHREAD_COND_TIMEDWAIT) && !defined(SAFE_MUTEX)
+extern int my_pthread_cond_timedwait(pthread_cond_t *cond,
+				     pthread_mutex_t *mutex,
+				     struct timespec *abstime);
+#define pthread_cond_timedwait(A,B,C) my_pthread_cond_timedwait((A),(B),(C))
+#endif
+
+#if !defined( HAVE_NONPOSIX_PTHREAD_GETSPECIFIC)
+#define my_pthread_getspecific(A,B) ((A) pthread_getspecific(B))
+#else
+#define my_pthread_getspecific(A,B) ((A) my_pthread_getspecific_imp(B))
+void *my_pthread_getspecific_imp(pthread_key_t key);
+#endif
+
+#ifndef HAVE_LOCALTIME_R
+struct tm *localtime_r(const time_t *clock, struct tm *res);
+#endif
+
+#ifdef HAVE_PTHREAD_CONDATTR_CREATE
+/* DCE threads on HPUX 10.20 */
+#define pthread_condattr_init pthread_condattr_create
+#define pthread_condattr_destroy pthread_condattr_delete
+#endif
+
+#ifdef HAVE_CTHREADS_WRAPPER			/* For MacOSX */
+#define pthread_cond_destroy(A) pthread_dummy(0)
+#define pthread_mutex_destroy(A) pthread_dummy(0)
+#define pthread_attr_delete(A) pthread_dummy(0)
+#define pthread_condattr_delete(A) pthread_dummy(0)
+#define pthread_attr_setstacksize(A,B) pthread_dummy(0)
+#define pthread_equal(A,B) ((A) == (B))
+#define pthread_cond_timedwait(a,b,c) pthread_cond_wait((a),(b))
+#define pthread_attr_init(A) pthread_attr_create(A)
+#define pthread_attr_destroy(A) pthread_attr_delete(A)
+#define pthread_attr_setdetachstate(A,B) pthread_dummy(0)
+#define pthread_create(A,B,C,D) pthread_create((A),*(B),(C),(D))
+#define pthread_sigmask(A,B,C) sigprocmask((A),(B),(C))
+#define pthread_kill(A,B) pthread_dummy(0)
+#undef	pthread_detach_this_thread
+#define pthread_detach_this_thread() { pthread_t tmp=pthread_self() ; pthread_detach(&tmp); }
+#endif
+
+#ifdef HAVE_DARWIN_THREADS
+#define pthread_sigmask(A,B,C) sigprocmask((A),(B),(C))
+#define pthread_kill(A,B) pthread_dummy(0)
+#define pthread_condattr_init(A) pthread_dummy(0)
+#define pthread_condattr_destroy(A) pthread_dummy(0)
+#define pthread_signal(A,B) pthread_dummy(0)
+#undef	pthread_detach_this_thread
+#define pthread_detach_this_thread() { pthread_t tmp=pthread_self() ; pthread_detach(tmp); }
+#undef sigset
+#define sigset(A,B) pthread_signal((A),(void (*)(int)) (B))
+#endif
+
+#if ((defined(HAVE_PTHREAD_ATTR_CREATE) && !defined(HAVE_SIGWAIT)) || defined(HAVE_DEC_3_2_THREADS)) && !defined(HAVE_CTHREADS_WRAPPER)
+/* This is set on AIX_3_2 and Siemens unix (and DEC OSF/1 3.2 too) */
+#define pthread_key_create(A,B) \
+		pthread_keycreate(A,(B) ?\
+				  (pthread_destructor_t) (B) :\
+				  (pthread_destructor_t) pthread_dummy)
+#define pthread_attr_init(A) pthread_attr_create(A)
+#define pthread_attr_destroy(A) pthread_attr_delete(A)
+#define pthread_attr_setdetachstate(A,B) pthread_dummy(0)
+#define pthread_create(A,B,C,D) pthread_create((A),*(B),(C),(D))
+#ifndef pthread_sigmask
+#define pthread_sigmask(A,B,C) sigprocmask((A),(B),(C))
+#endif
+#define pthread_kill(A,B) pthread_dummy(0)
+#undef	pthread_detach_this_thread
+#define pthread_detach_this_thread() { pthread_t tmp=pthread_self() ; pthread_detach(&tmp); }
++#elif !defined(HAVE_PTHREAD_KILL) /* HAVE_PTHREAD_ATTR_CREATE && !HAVE_SIGWAIT */
+#define HAVE_PTHREAD_KILL
+#endif
+
+#endif /* defined(_WIN32) */
+
+#if defined(HPUX) && !defined(DONT_REMAP_PTHREAD_FUNCTIONS)
+#undef pthread_cond_timedwait
+#define pthread_cond_timedwait(a,b,c) my_pthread_cond_timedwait((a),(b),(c))
+int my_pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex,
+			      struct timespec *abstime);
+#endif
+
+#if defined(HAVE_POSIX1003_4a_MUTEX) && !defined(DONT_REMAP_PTHREAD_FUNCTIONS)
+#undef pthread_mutex_trylock
+#define pthread_mutex_trylock(a) my_pthread_mutex_trylock((a))
+int my_pthread_mutex_trylock(pthread_mutex_t *mutex);
+#endif
+
+	/* safe_mutex adds checking to mutex for easier debugging */
+
+typedef struct st_safe_mutex_t
+{
+  pthread_mutex_t global,mutex;
+  char *file;
+  uint line,count;
+  pthread_t thread;
+} safe_mutex_t;
+
+int safe_mutex_init(safe_mutex_t *mp, const pthread_mutexattr_t *attr);
+int safe_mutex_lock(safe_mutex_t *mp,const char *file, uint line);
+int safe_mutex_unlock(safe_mutex_t *mp,const char *file, uint line);
+int safe_mutex_destroy(safe_mutex_t *mp,const char *file, uint line);
+int safe_cond_wait(pthread_cond_t *cond, safe_mutex_t *mp,const char *file,
+		   uint line);
+int safe_cond_timedwait(pthread_cond_t *cond, safe_mutex_t *mp,
+			struct timespec *abstime, const char *file, uint line);
+
+	/* Wrappers if safe mutex is actually used */
+#ifdef SAFE_MUTEX
+#undef pthread_mutex_init
+#undef pthread_mutex_lock
+#undef pthread_mutex_unlock
+#undef pthread_mutex_destroy
+#undef pthread_mutex_wait
+#undef pthread_mutex_timedwait
+#undef pthread_mutex_t
+#undef pthread_cond_wait
+#undef pthread_cond_timedwait
+#undef pthread_mutex_trylock
+#define pthread_mutex_init(A,B) safe_mutex_init((A),(B))
+#define pthread_mutex_lock(A) safe_mutex_lock((A),__FILE__,__LINE__)
+#define pthread_mutex_unlock(A) safe_mutex_unlock((A),__FILE__,__LINE__)
+#define pthread_mutex_destroy(A) safe_mutex_destroy((A),__FILE__,__LINE__)
+#define pthread_cond_wait(A,B) safe_cond_wait((A),(B),__FILE__,__LINE__)
+#define pthread_cond_timedwait(A,B,C) safe_cond_timedwait((A),(B),(C),__FILE__,__LINE__)
+#define pthread_mutex_trylock(A) pthread_mutex_lock(A)
+#define pthread_mutex_t safe_mutex_t
+#define safe_mutex_assert_owner(mp) DBUG_ASSERT((mp)->count > 0 && pthread_equal(pthread_self(),(mp)->thread))
+#else
+#define safe_mutex_assert_owner(mp)
+#endif /* SAFE_MUTEX */
+
+	/* READ-WRITE thread locking */
+
+#if defined(USE_MUTEX_INSTEAD_OF_RW_LOCKS)
+/* use these defs for simple mutex locking */
+#define rw_lock_t pthread_mutex_t
+#define my_rwlock_init(A,B) pthread_mutex_init((A),(B))
+#define rw_rdlock(A) pthread_mutex_lock((A))
+#define rw_wrlock(A) pthread_mutex_lock((A))
+#define rw_tryrdlock(A) pthread_mutex_trylock((A))
+#define rw_trywrlock(A) pthread_mutex_trylock((A))
+#define rw_unlock(A) pthread_mutex_unlock((A))
+#define rwlock_destroy(A) pthread_mutex_destroy((A))
+#elif defined(HAVE_PTHREAD_RWLOCK_RDLOCK)
+#define rw_lock_t pthread_rwlock_t
+#define my_rwlock_init(A,B) pthread_rwlock_init((A),(B))
+#define rw_rdlock(A) pthread_rwlock_rdlock(A)
+#define rw_wrlock(A) pthread_rwlock_wrlock(A)
+#define rw_tryrdlock(A) pthread_rwlock_tryrdlock((A))
+#define rw_trywrlock(A) pthread_rwlock_trywrlock((A))
+#define rw_unlock(A) pthread_rwlock_unlock(A)
+#define rwlock_destroy(A) pthread_rwlock_destroy(A)
+#elif defined(HAVE_RWLOCK_INIT)
+#ifdef HAVE_RWLOCK_T				/* For example Solaris 2.6-> */
+#define rw_lock_t rwlock_t
+#endif
+#define my_rwlock_init(A,B) rwlock_init((A),USYNC_THREAD,0)
+#else
+/* Use our own version of read/write locks */
+typedef struct _my_rw_lock_t {
+	pthread_mutex_t lock;		/* lock for structure		*/
+	pthread_cond_t	readers;	/* waiting readers		*/
+	pthread_cond_t	writers;	/* waiting writers		*/
+	int		state;		/* -1:writer,0:free,>0:readers	*/
+	int		waiters;	/* number of waiting writers	*/
+} my_rw_lock_t;
+
+#define rw_lock_t my_rw_lock_t
+#define rw_rdlock(A) my_rw_rdlock((A))
+#define rw_wrlock(A) my_rw_wrlock((A))
+#define rw_tryrdlock(A) my_rw_tryrdlock((A))
+#define rw_trywrlock(A) my_rw_trywrlock((A))
+#define rw_unlock(A) my_rw_unlock((A))
+#define rwlock_destroy(A) my_rwlock_destroy((A))
+
+extern int my_rwlock_init(my_rw_lock_t *, void *);
+extern int my_rwlock_destroy(my_rw_lock_t *);
+extern int my_rw_rdlock(my_rw_lock_t *);
+extern int my_rw_wrlock(my_rw_lock_t *);
+extern int my_rw_unlock(my_rw_lock_t *);
+extern int my_rw_tryrdlock(my_rw_lock_t *);
+extern int my_rw_trywrlock(my_rw_lock_t *);
+#endif /* USE_MUTEX_INSTEAD_OF_RW_LOCKS */
+
+#define GETHOSTBYADDR_BUFF_SIZE 2048
+
+#ifndef HAVE_THR_SETCONCURRENCY
+#define thr_setconcurrency(A) pthread_dummy(0)
+#endif
+#if !defined(HAVE_PTHREAD_ATTR_SETSTACKSIZE) && ! defined(pthread_attr_setstacksize)
+#define pthread_attr_setstacksize(A,B) pthread_dummy(0)
+#endif
+
+/* Define mutex types */
+#define MY_MUTEX_INIT_SLOW   NULL
+#define MY_MUTEX_INIT_FAST   NULL
+#define MY_MUTEX_INIT_ERRCHK NULL
+
+extern my_bool my_thread_global_init(void);
+extern void my_thread_global_end(void);
+extern my_bool my_thread_init(void);
+extern void my_thread_end(void);
+extern const char *my_thread_name(void);
+extern long my_thread_id(void);
+extern int pthread_no_free(void *);
+extern int pthread_dummy(int);
+
+/* All thread specific variables are in the following struct */
+
+#define THREAD_NAME_SIZE 10
+#if defined(__ia64__)
+#define DEFAULT_THREAD_STACK	(128*1024)
+#else
+#define DEFAULT_THREAD_STACK	(64*1024)
+#endif
+
+struct st_my_thread_var
+{
+  int thr_errno;
+  pthread_cond_t suspend;
+  pthread_mutex_t mutex;
+  pthread_mutex_t * volatile current_mutex;
+  pthread_cond_t * volatile current_cond;
+  pthread_t pthread_self;
+  long id;
+  int cmp_length;
+  int volatile abort;
+#ifndef DBUG_OFF
+  gptr dbug;
+  char name[THREAD_NAME_SIZE+1];
+#endif
+  my_bool initialized;
+};
+
+extern struct st_my_thread_var *_my_thread_var(void) __attribute__ ((const));
+extern void **my_thread_var_dbug();
+#define my_thread_var (_my_thread_var())
+#define my_errno my_thread_var->thr_errno
+
+	/* statistics_xxx functions are for not essential statistic */
+
+#ifndef thread_safe_increment
+#ifdef HAVE_ATOMIC_ADD
+#define thread_safe_increment(V,L) atomic_add(1,(atomic_t*) &V);
+#define thread_safe_add(V,C,L)     atomic_add((C),(atomic_t*) &V);
+#define thread_safe_sub(V,C,L)     atomic_sub((C),(atomic_t*) &V);
+#define statistic_increment(V,L)   thread_safe_increment((V),(L))
+#define statistic_add(V,C,L)       thread_safe_add((V),(C),(L))
+#else
+#define thread_safe_increment(V,L) \
+	pthread_mutex_lock((L)); (V)++; pthread_mutex_unlock((L));
+#define thread_safe_add(V,C,L) \
+	pthread_mutex_lock((L)); (V)+=(C); pthread_mutex_unlock((L));
+#define thread_safe_sub(V,C,L) \
+	pthread_mutex_lock((L)); (V)-=(C); pthread_mutex_unlock((L));
+#ifdef SAFE_STATISTICS
+#define statistic_increment(V,L)   thread_safe_increment((V),(L))
+#define statistic_add(V,C,L)       thread_safe_add((V),(C),(L))
+#else
+#define statistic_increment(V,L) (V)++
+#define statistic_add(V,C,L)     (V)+=(C)
+#endif /* SAFE_STATISTICS */
+#endif /* HAVE_ATOMIC_ADD */
+#endif /* thread_safe_increment */
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif /* _my_ptread_h */