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-rw-r--r--src/mysql/my_pthread.h1428
1 files changed, 717 insertions, 711 deletions
diff --git a/src/mysql/my_pthread.h b/src/mysql/my_pthread.h
index 36afd19d9..202e047dc 100644
--- a/src/mysql/my_pthread.h
+++ b/src/mysql/my_pthread.h
@@ -1,711 +1,717 @@
-/* Copyright (C) 2000 MySQL AB
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
-
-/* Defines to make different thread packages compatible */
-
-#ifndef _my_pthread_h
-#define _my_pthread_h
-
-#include <errno.h>
-#ifndef ETIME
-#define ETIME ETIMEDOUT /* For FreeBSD */
-#endif
-
-#ifdef __cplusplus
-#define EXTERNC extern "C"
-extern "C" {
-#else
-#define EXTERNC
-#endif /* __cplusplus */
-
-#if defined(__WIN__) || defined(OS2)
-
-#ifdef OS2
-typedef ULONG HANDLE;
-typedef ULONG DWORD;
-typedef int sigset_t;
-#endif
-
-#ifdef OS2
-typedef HMTX pthread_mutex_t;
-#else
-typedef CRITICAL_SECTION pthread_mutex_t;
-#endif
-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;
-#ifdef OS2
- HEV semaphore;
-#else
- HANDLE semaphore;
-#endif
-} pthread_cond_t;
-
-
-#ifndef OS2
-struct timespec { /* For pthread_cond_timedwait() */
- time_t tv_sec;
- long tv_nsec;
-};
-#endif
-
-typedef int pthread_mutexattr_t;
-#define win_pthread_self my_thread_var->pthread_self
-#ifdef OS2
-#define pthread_handler_t EXTERNC void * _Optlink
-typedef void * (_Optlink *pthread_handler)(void *);
-#else
-#define pthread_handler_t EXTERNC void * __cdecl
-typedef void * (__cdecl *pthread_handler)(void *);
-#endif
-
-void win_pthread_init(void);
-int win_pthread_setspecific(void *A,void *B,uint length);
-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);
-struct tm *gmtime_r(const time_t *timep,struct tm *tmp);
-
-
-void pthread_exit(void *a); /* was #define pthread_exit(A) ExitThread(A)*/
-
-#ifndef OS2
-#define ETIMEDOUT 145 /* Win32 doesn't have this */
-#define getpid() GetCurrentThreadId()
-#endif
-#define pthread_self() win_pthread_self
-#define HAVE_LOCALTIME_R 1
-#define _REENTRANT 1
-#define HAVE_PTHREAD_ATTR_SETSTACKSIZE 1
-
-#ifdef USE_TLS /* For LIBMYSQL.DLL */
-#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_key_delete(A) TlsFree(A)
-#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)))
-#else
-#define pthread_key(T,V) __declspec(thread) T V
-#define pthread_key_create(A,B) pthread_dummy(0)
-#define pthread_key_delete(A) pthread_dummy(0)
-#define pthread_getspecific(A) (&(A))
-#define my_pthread_getspecific(T,A) (&(A))
-#define my_pthread_getspecific_ptr(T,V) (V)
-#define my_pthread_setspecific_ptr(T,V) ((T)=(V),0)
-#define pthread_setspecific(A,B) win_pthread_setspecific(&(A),(B),sizeof(A))
-#endif /* USE_TLS */
-
-#define pthread_equal(A,B) ((A) == (B))
-#ifdef OS2
-extern int pthread_mutex_init (pthread_mutex_t *, const pthread_mutexattr_t *);
-extern int pthread_mutex_lock (pthread_mutex_t *);
-extern int pthread_mutex_unlock (pthread_mutex_t *);
-extern int pthread_mutex_destroy (pthread_mutex_t *);
-#define my_pthread_setprio(A,B) DosSetPriority(PRTYS_THREAD,PRTYC_NOCHANGE, B, A)
-#define pthread_kill(A,B) raise(B)
-#define pthread_exit(A) pthread_dummy()
-#else
-#define pthread_mutex_init(A,B) (InitializeCriticalSection(A),0)
-#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)
-#endif /* OS2 */
-
-/* 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_key_delete(A) thr_keydelete(A)
-
-#define pthread_handler_t EXTERNC void *
-#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
-#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
-
-#ifdef __NETWARE__
-void my_pthread_exit(void *status);
-#define pthread_exit(A) my_pthread_exit(A)
-#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_t EXTERNC void *
-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
-#elif defined(HAVE_mit_thread)
-#define USE_ALARM_THREAD
-#undef HAVE_LOCALTIME_R
-#define HAVE_LOCALTIME_R
-#undef HAVE_GMTIME_R
-#define HAVE_GMTIME_R
-#undef HAVE_PTHREAD_ATTR_SETSCOPE
-#define HAVE_PTHREAD_ATTR_SETSCOPE
-#undef HAVE_GETHOSTBYNAME_R_GLIBC2_STYLE /* If we are running linux */
-#undef HAVE_RWLOCK_T
-#undef HAVE_RWLOCK_INIT
-#undef HAVE_PTHREAD_RWLOCK_RDLOCK
-#undef HAVE_SNPRINTF
-
-#define my_pthread_attr_setprio(A,B)
-#endif /* defined(PTHREAD_SCOPE_GLOBAL) && !defined(PTHREAD_SCOPE_SYSTEM) */
-
-#if defined(_BSDI_VERSION) && _BSDI_VERSION < 199910
-int sigwait(sigset_t *set, int *sig);
-#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
-
-
-/*
- We define my_sigset() and use that instead of the system sigset() so that
- we can favor an implementation based on sigaction(). On some systems, such
- as Mac OS X, sigset() results in flags such as SA_RESTART being set, and
- we want to make sure that no such flags are set.
-*/
-#if defined(HAVE_SIGACTION) && !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(HAVE_SIGSET) && !defined(my_sigset)
-#define my_sigset(A,B) sigset((A),(B))
-#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(OS2)
-#define my_pthread_getspecific(T,A) ((T) &(A))
-#define pthread_setspecific(A,B) win_pthread_setspecific(&(A),(B),sizeof(A))
-#elif !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 /* OS2 */
-
-#ifndef HAVE_LOCALTIME_R
-struct tm *localtime_r(const time_t *clock, struct tm *res);
-#endif
-
-#ifndef HAVE_GMTIME_R
-struct tm *gmtime_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
-
-/* FSU THREADS */
-#if !defined(HAVE_PTHREAD_KEY_DELETE) && !defined(pthread_key_delete)
-#define pthread_key_delete(A) pthread_dummy(0)
-#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_DARWIN5_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)
-#undef pthread_detach_this_thread
-#define pthread_detach_this_thread() { pthread_t tmp=pthread_self() ; pthread_detach(tmp); }
-#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(__NETWARE__) /* HAVE_PTHREAD_ATTR_CREATE && !HAVE_SIGWAIT */
-#define HAVE_PTHREAD_KILL
-#endif
-
-#endif /* defined(__WIN__) */
-
-#if defined(HPUX10) && !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(HPUX10)
-#define pthread_attr_getstacksize(A,B) my_pthread_attr_getstacksize(A,B)
-void my_pthread_attr_getstacksize(pthread_attr_t *attrib, size_t *size);
-#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 */
-
-#if defined(__NETWARE__) && !defined(SAFE_MUTEX_DETECT_DESTROY)
-#define SAFE_MUTEX_DETECT_DESTROY
-#endif
-
-typedef struct st_safe_mutex_t
-{
- pthread_mutex_t global,mutex;
- const char *file;
- uint line,count;
- pthread_t thread;
-#ifdef SAFE_MUTEX_DETECT_DESTROY
- struct st_safe_mutex_info_t *info; /* to track destroying of mutexes */
-#endif
-} safe_mutex_t;
-
-#ifdef SAFE_MUTEX_DETECT_DESTROY
-/*
- Used to track the destroying of mutexes. This needs to be a seperate
- structure because the safe_mutex_t structure could be freed before
- the mutexes are destroyed.
-*/
-
-typedef struct st_safe_mutex_info_t
-{
- struct st_safe_mutex_info_t *next;
- struct st_safe_mutex_info_t *prev;
- const char *init_file;
- uint32 init_line;
-} safe_mutex_info_t;
-#endif /* SAFE_MUTEX_DETECT_DESTROY */
-
-int safe_mutex_init(safe_mutex_t *mp, const pthread_mutexattr_t *attr,
- const char *file, uint line);
-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);
-void safe_mutex_global_init(void);
-void safe_mutex_end(FILE *file);
-
- /* 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),__FILE__,__LINE__)
-#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 */
-
-#ifdef HAVE_BROKEN_RWLOCK /* For OpenUnix */
-#undef HAVE_PTHREAD_RWLOCK_RDLOCK
-#undef HAVE_RWLOCK_INIT
-#undef HAVE_RWLOCK_T
-#endif
-
-#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, see my_thr_init.c */
-#define MY_MUTEX_INIT_SLOW NULL
-#ifdef PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
-extern pthread_mutexattr_t my_fast_mutexattr;
-#define MY_MUTEX_INIT_FAST &my_fast_mutexattr
-#else
-#define MY_MUTEX_INIT_FAST NULL
-#endif
-#ifdef PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP
-extern pthread_mutexattr_t my_errorcheck_mutexattr;
-#define MY_MUTEX_INIT_ERRCHK &my_errorcheck_mutexattr
-#else
-#define MY_MUTEX_INIT_ERRCHK NULL
-#endif
-
-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
-#ifndef DEFAULT_THREAD_STACK
-#if defined(__ia64__)
-/*
- MySQL can survive with 32K, but some glibc libraries require > 128K stack
- To resolve hostnames
-*/
-#define DEFAULT_THREAD_STACK (256*1024L)
-#else
-#define DEFAULT_THREAD_STACK (192*1024)
-#endif
-#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;
- my_bool init;
- struct st_my_thread_var *next,**prev;
- void *opt_info;
-#ifndef DBUG_OFF
- gptr dbug;
- char name[THREAD_NAME_SIZE+1];
-#endif
-};
-
-extern struct st_my_thread_var *_my_thread_var(void) __attribute__ ((const));
-#define my_thread_var (_my_thread_var())
-#define my_errno my_thread_var->thr_errno
-/*
- Keep track of shutdown,signal, and main threads so that my_end() will not
- report errors with them
-*/
-extern pthread_t shutdown_th, main_th, signal_th;
-
- /* statistics_xxx functions are for not essential statistic */
-
-#ifndef thread_safe_increment
-#ifdef HAVE_ATOMIC_ADD
-#define thread_safe_increment(V,L) atomic_inc((atomic_t*) &V)
-#define thread_safe_decrement(V,L) atomic_dec((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)
-#else
-#define thread_safe_increment(V,L) \
- (pthread_mutex_lock((L)), (V)++, pthread_mutex_unlock((L)))
-#define thread_safe_decrement(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)))
-#endif /* HAVE_ATOMIC_ADD */
-#ifdef SAFE_STATISTICS
-#define statistic_increment(V,L) thread_safe_increment((V),(L))
-#define statistic_decrement(V,L) thread_safe_decrement((V),(L))
-#define statistic_add(V,C,L) thread_safe_add((V),(C),(L))
-#else
-#define statistic_decrement(V,L) (V)--
-#define statistic_increment(V,L) (V)++
-#define statistic_add(V,C,L) (V)+=(C)
-#endif /* SAFE_STATISTICS */
-#endif /* thread_safe_increment */
-
-#ifdef __cplusplus
-}
-#endif
-#endif /* _my_ptread_h */
+/* Copyright (C) 2000 MySQL AB
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+
+/* Defines to make different thread packages compatible */
+
+#ifndef _my_pthread_h
+#define _my_pthread_h
+
+#include <errno.h>
+#ifndef ETIME
+#define ETIME ETIMEDOUT /* For FreeBSD */
+#endif
+
+#ifdef __cplusplus
+#define EXTERNC extern "C"
+extern "C" {
+#else
+#define EXTERNC
+#endif /* __cplusplus */
+
+#if defined(__WIN__) || defined(OS2)
+
+#ifdef OS2
+typedef ULONG HANDLE;
+typedef ULONG DWORD;
+typedef int sigset_t;
+#endif
+
+#ifdef OS2
+typedef HMTX pthread_mutex_t;
+#else
+typedef CRITICAL_SECTION pthread_mutex_t;
+#endif
+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;
+#ifdef OS2
+ HEV semaphore;
+#else
+ HANDLE semaphore;
+#endif
+} pthread_cond_t;
+
+
+#ifndef OS2
+struct timespec { /* For pthread_cond_timedwait() */
+ time_t tv_sec;
+ long tv_nsec;
+};
+#endif
+
+typedef int pthread_mutexattr_t;
+#define win_pthread_self my_thread_var->pthread_self
+#ifdef OS2
+#define pthread_handler_t EXTERNC void * _Optlink
+typedef void * (_Optlink *pthread_handler)(void *);
+#else
+#define pthread_handler_t EXTERNC void * __cdecl
+typedef void * (__cdecl *pthread_handler)(void *);
+#endif
+
+void win_pthread_init(void);
+int win_pthread_setspecific(void *A,void *B,uint length);
+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);
+struct tm *gmtime_r(const time_t *timep,struct tm *tmp);
+
+
+void pthread_exit(void *a); /* was #define pthread_exit(A) ExitThread(A)*/
+
+#ifndef OS2
+#define ETIMEDOUT 145 /* Win32 doesn't have this */
+#define getpid() GetCurrentThreadId()
+#endif
+#define pthread_self() win_pthread_self
+#define HAVE_LOCALTIME_R 1
+#define _REENTRANT 1
+#define HAVE_PTHREAD_ATTR_SETSTACKSIZE 1
+
+#ifdef USE_TLS /* For LIBMYSQL.DLL */
+#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_key_delete(A) TlsFree(A)
+#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)))
+#else
+#define pthread_key(T,V) __declspec(thread) T V
+#define pthread_key_create(A,B) pthread_dummy(0)
+#define pthread_key_delete(A) pthread_dummy(0)
+#define pthread_getspecific(A) (&(A))
+#define my_pthread_getspecific(T,A) (&(A))
+#define my_pthread_getspecific_ptr(T,V) (V)
+#define my_pthread_setspecific_ptr(T,V) ((T)=(V),0)
+#define pthread_setspecific(A,B) win_pthread_setspecific(&(A),(B),sizeof(A))
+#endif /* USE_TLS */
+
+#define pthread_equal(A,B) ((A) == (B))
+#ifdef OS2
+extern int pthread_mutex_init (pthread_mutex_t *, const pthread_mutexattr_t *);
+extern int pthread_mutex_lock (pthread_mutex_t *);
+extern int pthread_mutex_unlock (pthread_mutex_t *);
+extern int pthread_mutex_destroy (pthread_mutex_t *);
+#define my_pthread_setprio(A,B) DosSetPriority(PRTYS_THREAD,PRTYC_NOCHANGE, B, A)
+#define pthread_kill(A,B) raise(B)
+#define pthread_exit(A) pthread_dummy()
+#else
+#define pthread_mutex_init(A,B) (InitializeCriticalSection(A),0)
+#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)
+#endif /* OS2 */
+
+/* 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_key_delete(A) thr_keydelete(A)
+
+#define pthread_handler_t EXTERNC void *
+#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
+#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
+
+#ifdef __NETWARE__
+void my_pthread_exit(void *status);
+#define pthread_exit(A) my_pthread_exit(A)
+#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_t EXTERNC void *
+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
+#elif defined(HAVE_mit_thread)
+#define USE_ALARM_THREAD
+#undef HAVE_LOCALTIME_R
+#define HAVE_LOCALTIME_R
+#undef HAVE_GMTIME_R
+#define HAVE_GMTIME_R
+#undef HAVE_PTHREAD_ATTR_SETSCOPE
+#define HAVE_PTHREAD_ATTR_SETSCOPE
+#undef HAVE_GETHOSTBYNAME_R_GLIBC2_STYLE /* If we are running linux */
+#undef HAVE_RWLOCK_T
+#undef HAVE_RWLOCK_INIT
+#undef HAVE_PTHREAD_RWLOCK_RDLOCK
+#undef HAVE_SNPRINTF
+
+#define my_pthread_attr_setprio(A,B)
+#endif /* defined(PTHREAD_SCOPE_GLOBAL) && !defined(PTHREAD_SCOPE_SYSTEM) */
+
+#if defined(_BSDI_VERSION) && _BSDI_VERSION < 199910
+int sigwait(sigset_t *set, int *sig);
+#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
+
+
+/*
+ We define my_sigset() and use that instead of the system sigset() so that
+ we can favor an implementation based on sigaction(). On some systems, such
+ as Mac OS X, sigset() results in flags such as SA_RESTART being set, and
+ we want to make sure that no such flags are set.
+*/
+#if defined(HAVE_SIGACTION) && !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(HAVE_SIGSET) && !defined(my_sigset)
+#define my_sigset(A,B) sigset((A),(B))
+#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(OS2)
+#define my_pthread_getspecific(T,A) ((T) &(A))
+#define pthread_setspecific(A,B) win_pthread_setspecific(&(A),(B),sizeof(A))
+#elif !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 /* OS2 */
+
+#ifndef HAVE_LOCALTIME_R
+struct tm *localtime_r(const time_t *clock, struct tm *res);
+#endif
+
+#ifndef HAVE_GMTIME_R
+struct tm *gmtime_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
+
+/* FSU THREADS */
+#if !defined(HAVE_PTHREAD_KEY_DELETE) && !defined(pthread_key_delete)
+#define pthread_key_delete(A) pthread_dummy(0)
+#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_DARWIN5_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)
+#undef pthread_detach_this_thread
+#define pthread_detach_this_thread() { pthread_t tmp=pthread_self() ; pthread_detach(tmp); }
+#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(__NETWARE__) /* HAVE_PTHREAD_ATTR_CREATE && !HAVE_SIGWAIT */
+#define HAVE_PTHREAD_KILL
+#endif
+
+#endif /* defined(__WIN__) */
+
+#if defined(HPUX10) && !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(HPUX10)
+#define pthread_attr_getstacksize(A,B) my_pthread_attr_getstacksize(A,B)
+void my_pthread_attr_getstacksize(pthread_attr_t *attrib, size_t *size);
+#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 */
+
+#if defined(__NETWARE__) && !defined(SAFE_MUTEX_DETECT_DESTROY)
+#define SAFE_MUTEX_DETECT_DESTROY
+#endif
+
+typedef struct st_safe_mutex_t
+{
+ pthread_mutex_t global,mutex;
+ const char *file;
+ uint line,count;
+ pthread_t thread;
+#ifdef SAFE_MUTEX_DETECT_DESTROY
+ struct st_safe_mutex_info_t *info; /* to track destroying of mutexes */
+#endif
+} safe_mutex_t;
+
+#ifdef SAFE_MUTEX_DETECT_DESTROY
+/*
+ Used to track the destroying of mutexes. This needs to be a seperate
+ structure because the safe_mutex_t structure could be freed before
+ the mutexes are destroyed.
+*/
+
+typedef struct st_safe_mutex_info_t
+{
+ struct st_safe_mutex_info_t *next;
+ struct st_safe_mutex_info_t *prev;
+ const char *init_file;
+ uint32 init_line;
+} safe_mutex_info_t;
+#endif /* SAFE_MUTEX_DETECT_DESTROY */
+
+int safe_mutex_init(safe_mutex_t *mp, const pthread_mutexattr_t *attr,
+ const char *file, uint line);
+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);
+void safe_mutex_global_init(void);
+void safe_mutex_end(FILE *file);
+
+ /* 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),__FILE__,__LINE__)
+#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))
+#define safe_mutex_assert_not_owner(mp) \
+ DBUG_ASSERT(! (mp)->count || \
+ ! pthread_equal(pthread_self(), (mp)->thread))
+#else
+#define safe_mutex_assert_owner(mp)
+#define safe_mutex_assert_not_owner(mp)
+#endif /* SAFE_MUTEX */
+
+ /* READ-WRITE thread locking */
+
+#ifdef HAVE_BROKEN_RWLOCK /* For OpenUnix */
+#undef HAVE_PTHREAD_RWLOCK_RDLOCK
+#undef HAVE_RWLOCK_INIT
+#undef HAVE_RWLOCK_T
+#endif
+
+#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, see my_thr_init.c */
+#define MY_MUTEX_INIT_SLOW NULL
+#ifdef PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
+extern pthread_mutexattr_t my_fast_mutexattr;
+#define MY_MUTEX_INIT_FAST &my_fast_mutexattr
+#else
+#define MY_MUTEX_INIT_FAST NULL
+#endif
+#ifdef PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP
+extern pthread_mutexattr_t my_errorcheck_mutexattr;
+#define MY_MUTEX_INIT_ERRCHK &my_errorcheck_mutexattr
+#else
+#define MY_MUTEX_INIT_ERRCHK NULL
+#endif
+
+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
+#ifndef DEFAULT_THREAD_STACK
+#if SIZEOF_CHARP > 4
+/*
+ MySQL can survive with 32K, but some glibc libraries require > 128K stack
+ To resolve hostnames. Also recursive stored procedures needs stack.
+*/
+#define DEFAULT_THREAD_STACK (256*1024L)
+#else
+#define DEFAULT_THREAD_STACK (192*1024)
+#endif
+#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;
+ my_bool init;
+ struct st_my_thread_var *next,**prev;
+ void *opt_info;
+#ifndef DBUG_OFF
+ gptr dbug;
+ char name[THREAD_NAME_SIZE+1];
+#endif
+};
+
+extern struct st_my_thread_var *_my_thread_var(void) __attribute__ ((const));
+#define my_thread_var (_my_thread_var())
+#define my_errno my_thread_var->thr_errno
+/*
+ Keep track of shutdown,signal, and main threads so that my_end() will not
+ report errors with them
+*/
+extern pthread_t shutdown_th, main_th, signal_th;
+
+ /* statistics_xxx functions are for not essential statistic */
+
+#ifndef thread_safe_increment
+#ifdef HAVE_ATOMIC_ADD
+#define thread_safe_increment(V,L) atomic_inc((atomic_t*) &V)
+#define thread_safe_decrement(V,L) atomic_dec((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)
+#else
+#define thread_safe_increment(V,L) \
+ (pthread_mutex_lock((L)), (V)++, pthread_mutex_unlock((L)))
+#define thread_safe_decrement(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)))
+#endif /* HAVE_ATOMIC_ADD */
+#ifdef SAFE_STATISTICS
+#define statistic_increment(V,L) thread_safe_increment((V),(L))
+#define statistic_decrement(V,L) thread_safe_decrement((V),(L))
+#define statistic_add(V,C,L) thread_safe_add((V),(C),(L))
+#else
+#define statistic_decrement(V,L) (V)--
+#define statistic_increment(V,L) (V)++
+#define statistic_add(V,C,L) (V)+=(C)
+#endif /* SAFE_STATISTICS */
+#endif /* thread_safe_increment */
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _my_ptread_h */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-11 17:01:57 +0000