43
47
#define pthread_key(T,V) pthread_key_t V
44
#define my_pthread_getspecific_ptr(T,V) my_pthread_getspecific(T,(V))
45
#define my_pthread_setspecific_ptr(T,V) pthread_setspecific(T,(void*) (V))
46
#define pthread_detach_this_thread()
47
#define pthread_handler_t EXTERNC void *
48
#define pthread_handler_t void *
48
49
typedef void *(* pthread_handler)(void *);
50
/* Test first for RTS or FSU threads */
52
#if defined(PTHREAD_SCOPE_GLOBAL) && !defined(PTHREAD_SCOPE_SYSTEM)
53
#define HAVE_rts_threads
54
extern int my_pthread_create_detached;
55
#define pthread_sigmask(A,B,C) sigprocmask((A),(B),(C))
56
#define PTHREAD_CREATE_DETACHED &my_pthread_create_detached
57
#define PTHREAD_SCOPE_SYSTEM PTHREAD_SCOPE_GLOBAL
58
#define PTHREAD_SCOPE_PROCESS PTHREAD_SCOPE_LOCAL
59
#define USE_ALARM_THREAD
60
#endif /* defined(PTHREAD_SCOPE_GLOBAL) && !defined(PTHREAD_SCOPE_SYSTEM) */
62
#ifndef HAVE_NONPOSIX_SIGWAIT
63
#define my_sigwait(A,B) sigwait((A),(B))
65
int my_sigwait(const sigset_t *set,int *sig);
68
#ifdef HAVE_NONPOSIX_PTHREAD_MUTEX_INIT
69
#define pthread_mutex_init(a,b) my_pthread_mutex_init((a),(b))
70
extern int my_pthread_mutex_init(pthread_mutex_t *mp,
71
const pthread_mutexattr_t *attr);
72
#define pthread_cond_init(a,b) my_pthread_cond_init((a),(b))
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extern int my_pthread_cond_init(pthread_cond_t *mp,
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const pthread_condattr_t *attr);
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#endif /* HAVE_NONPOSIX_PTHREAD_MUTEX_INIT */
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#if defined(HAVE_SIGTHREADMASK) && !defined(HAVE_PTHREAD_SIGMASK)
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#define pthread_sigmask(A,B,C) sigthreadmask((A),(B),(C))
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#if !defined(HAVE_SIGWAIT) && !defined(HAVE_rts_threads) && !defined(sigwait) && !defined(alpha_linux_port) && !defined(HAVE_NONPOSIX_SIGWAIT)
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int sigwait(sigset_t *setp, int *sigp); /* Use our implemention */
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53
We define my_sigset() and use that instead of the system sigset() so that
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#if !defined(HAVE_PTHREAD_ATTR_SETSCOPE)
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#define pthread_attr_setscope(A,B)
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#if defined(HAVE_BROKEN_PTHREAD_COND_TIMEDWAIT)
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extern int my_pthread_cond_timedwait(pthread_cond_t *cond,
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pthread_mutex_t *mutex,
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struct timespec *abstime);
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#define pthread_cond_timedwait(A,B,C) my_pthread_cond_timedwait((A),(B),(C))
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#if !defined(HAVE_PTHREAD_KEY_DELETE) && !defined(pthread_key_delete)
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#define pthread_key_delete(A) pthread_dummy(0)
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#ifdef HAVE_CTHREADS_WRAPPER /* For MacOSX */
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#define pthread_cond_destroy(A) pthread_dummy(0)
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#define pthread_mutex_destroy(A) pthread_dummy(0)
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#define pthread_attr_delete(A) pthread_dummy(0)
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#define pthread_condattr_delete(A) pthread_dummy(0)
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#define pthread_attr_setstacksize(A,B) pthread_dummy(0)
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#define pthread_equal(A,B) ((A) == (B))
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#define pthread_cond_timedwait(a,b,c) pthread_cond_wait((a),(b))
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#define pthread_attr_init(A) pthread_attr_create(A)
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#define pthread_attr_destroy(A) pthread_attr_delete(A)
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#define pthread_attr_setdetachstate(A,B) pthread_dummy(0)
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#define pthread_create(A,B,C,D) pthread_create((A),*(B),(C),(D))
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#define pthread_sigmask(A,B,C) sigprocmask((A),(B),(C))
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#define pthread_kill(A,B) pthread_dummy((A) ? 0 : ESRCH)
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#undef pthread_detach_this_thread
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#define pthread_detach_this_thread() { pthread_t tmp=pthread_self() ; pthread_detach(&tmp); }
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#ifdef HAVE_DARWIN5_THREADS
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#define pthread_sigmask(A,B,C) sigprocmask((A),(B),(C))
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#define pthread_kill(A,B) pthread_dummy((A) ? 0 : ESRCH)
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#define pthread_condattr_init(A) pthread_dummy(0)
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#define pthread_condattr_destroy(A) pthread_dummy(0)
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#undef pthread_detach_this_thread
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#define pthread_detach_this_thread() { pthread_t tmp=pthread_self() ; pthread_detach(tmp); }
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#if (defined(HAVE_PTHREAD_ATTR_CREATE) && !defined(HAVE_SIGWAIT))
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/* This is set on AIX_3_2 and Siemens unix (and DEC OSF/1 3.2 too) */
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#define pthread_key_create(A,B) \
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pthread_keycreate(A,(B) ?\
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(pthread_destructor_t) (B) :\
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(pthread_destructor_t) pthread_dummy)
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#define pthread_attr_init(A) pthread_attr_create(A)
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#define pthread_attr_destroy(A) pthread_attr_delete(A)
177
#define pthread_attr_setdetachstate(A,B) pthread_dummy(0)
178
#define pthread_create(A,B,C,D) pthread_create((A),*(B),(C),(D))
179
#ifndef pthread_sigmask
180
#define pthread_sigmask(A,B,C) sigprocmask((A),(B),(C))
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#define pthread_kill(A,B) pthread_dummy((A) ? 0 : ESRCH)
183
#undef pthread_detach_this_thread
184
#define pthread_detach_this_thread() { pthread_t tmp=pthread_self() ; pthread_detach(&tmp); }
186
#define HAVE_PTHREAD_KILL
189
#if defined(HAVE_POSIX1003_4a_MUTEX) && !defined(DONT_REMAP_PTHREAD_FUNCTIONS)
190
#undef pthread_mutex_trylock
191
#define pthread_mutex_trylock(a) my_pthread_mutex_trylock((a))
192
int my_pthread_mutex_trylock(pthread_mutex_t *mutex);
195
82
#if !defined(HAVE_PTHREAD_YIELD_ONE_ARG) && !defined(HAVE_PTHREAD_YIELD_ZERO_ARG)
196
83
/* no pthread_yield() available */
197
84
#ifdef HAVE_SCHED_YIELD
249
118
pthread_mutex_t global,mutex;
250
119
const char *file;
252
121
pthread_t thread;
255
124
int safe_mutex_init(safe_mutex_t *mp, const pthread_mutexattr_t *attr,
256
const char *file, uint line);
257
int safe_mutex_lock(safe_mutex_t *mp, bool try_lock, const char *file, uint line);
258
int safe_mutex_unlock(safe_mutex_t *mp,const char *file, uint line);
259
int safe_mutex_destroy(safe_mutex_t *mp,const char *file, uint line);
125
const char *file, uint32_t line);
126
int safe_mutex_lock(safe_mutex_t *mp, bool try_lock, const char *file, uint32_t line);
127
int safe_mutex_unlock(safe_mutex_t *mp,const char *file, uint32_t line);
128
int safe_mutex_destroy(safe_mutex_t *mp,const char *file, uint32_t line);
260
129
int safe_cond_wait(pthread_cond_t *cond, safe_mutex_t *mp,const char *file,
262
131
int safe_cond_timedwait(pthread_cond_t *cond, safe_mutex_t *mp,
263
struct timespec *abstime, const char *file, uint line);
132
struct timespec *abstime, const char *file, uint32_t line);
264
133
void safe_mutex_global_init(void);
265
void safe_mutex_end(FILE *file);
134
void safe_mutex_end(void);
267
136
/* Wrappers if safe mutex is actually used */
268
137
#define safe_mutex_assert_owner(mp)
269
138
#define safe_mutex_assert_not_owner(mp)
271
#if defined(MY_PTHREAD_FASTMUTEX)
272
typedef struct st_my_pthread_fastmutex_t
274
pthread_mutex_t mutex;
276
} my_pthread_fastmutex_t;
277
void fastmutex_global_init(void);
279
int my_pthread_fastmutex_init(my_pthread_fastmutex_t *mp,
280
const pthread_mutexattr_t *attr);
281
int my_pthread_fastmutex_lock(my_pthread_fastmutex_t *mp);
283
#undef pthread_mutex_init
284
#undef pthread_mutex_lock
285
#undef pthread_mutex_unlock
286
#undef pthread_mutex_destroy
287
#undef pthread_mutex_wait
288
#undef pthread_mutex_timedwait
289
#undef pthread_mutex_t
290
#undef pthread_cond_wait
291
#undef pthread_cond_timedwait
292
#undef pthread_mutex_trylock
293
#define pthread_mutex_init(A,B) my_pthread_fastmutex_init((A),(B))
294
#define pthread_mutex_lock(A) my_pthread_fastmutex_lock(A)
295
#define pthread_mutex_unlock(A) pthread_mutex_unlock(&(A)->mutex)
296
#define pthread_mutex_destroy(A) pthread_mutex_destroy(&(A)->mutex)
297
#define pthread_cond_wait(A,B) pthread_cond_wait((A),&(B)->mutex)
298
#define pthread_cond_timedwait(A,B,C) pthread_cond_timedwait((A),&(B)->mutex,(C))
299
#define pthread_mutex_trylock(A) pthread_mutex_trylock(&(A)->mutex)
300
#define pthread_mutex_t my_pthread_fastmutex_t
301
#endif /* defined(MY_PTHREAD_FASTMUTEX) */
303
140
/* READ-WRITE thread locking */
305
#ifdef HAVE_BROKEN_RWLOCK /* For OpenUnix */
306
#undef HAVE_PTHREAD_RWLOCK_RDLOCK
307
#undef HAVE_RWLOCK_INIT
311
#if defined(USE_MUTEX_INSTEAD_OF_RW_LOCKS)
312
/* use these defs for simple mutex locking */
313
#define rw_lock_t pthread_mutex_t
314
#define my_rwlock_init(A,B) pthread_mutex_init((A),(B))
315
#define rw_rdlock(A) pthread_mutex_lock((A))
316
#define rw_wrlock(A) pthread_mutex_lock((A))
317
#define rw_tryrdlock(A) pthread_mutex_trylock((A))
318
#define rw_trywrlock(A) pthread_mutex_trylock((A))
319
#define rw_unlock(A) pthread_mutex_unlock((A))
320
#define rwlock_destroy(A) pthread_mutex_destroy((A))
321
#elif defined(HAVE_PTHREAD_RWLOCK_RDLOCK)
322
#define rw_lock_t pthread_rwlock_t
323
#define my_rwlock_init(A,B) pthread_rwlock_init((A),(B))
324
#define rw_rdlock(A) pthread_rwlock_rdlock(A)
325
#define rw_wrlock(A) pthread_rwlock_wrlock(A)
326
#define rw_tryrdlock(A) pthread_rwlock_tryrdlock((A))
327
#define rw_trywrlock(A) pthread_rwlock_trywrlock((A))
328
#define rw_unlock(A) pthread_rwlock_unlock(A)
329
#define rwlock_destroy(A) pthread_rwlock_destroy(A)
330
#elif defined(HAVE_RWLOCK_INIT)
331
#ifdef HAVE_RWLOCK_T /* For example Solaris 2.6-> */
332
#define rw_lock_t rwlock_t
334
#define my_rwlock_init(A,B) rwlock_init((A),USYNC_THREAD,0)
336
/* Use our own version of read/write locks */
337
typedef struct _my_rw_lock_t {
338
pthread_mutex_t lock; /* lock for structure */
339
pthread_cond_t readers; /* waiting readers */
340
pthread_cond_t writers; /* waiting writers */
341
int state; /* -1:writer,0:free,>0:readers */
342
int waiters; /* number of waiting writers */
345
#define rw_lock_t my_rw_lock_t
346
#define rw_rdlock(A) my_rw_rdlock((A))
347
#define rw_wrlock(A) my_rw_wrlock((A))
348
#define rw_tryrdlock(A) my_rw_tryrdlock((A))
349
#define rw_trywrlock(A) my_rw_trywrlock((A))
350
#define rw_unlock(A) my_rw_unlock((A))
351
#define rwlock_destroy(A) my_rwlock_destroy((A))
353
extern int my_rwlock_init(my_rw_lock_t *, void *);
354
extern int my_rwlock_destroy(my_rw_lock_t *);
355
extern int my_rw_rdlock(my_rw_lock_t *);
356
extern int my_rw_wrlock(my_rw_lock_t *);
357
extern int my_rw_unlock(my_rw_lock_t *);
358
extern int my_rw_tryrdlock(my_rw_lock_t *);
359
extern int my_rw_trywrlock(my_rw_lock_t *);
360
#endif /* USE_MUTEX_INSTEAD_OF_RW_LOCKS */
362
#ifndef HAVE_THR_SETCONCURRENCY
363
#define thr_setconcurrency(A) pthread_dummy(0)
365
142
#if !defined(HAVE_PTHREAD_ATTR_SETSTACKSIZE) && ! defined(pthread_attr_setstacksize)
366
143
#define pthread_attr_setstacksize(A,B) pthread_dummy(0)
369
146
/* Define mutex types, see my_thr_init.c */
370
#define MY_MUTEX_INIT_SLOW NULL
371
#ifdef PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
147
#ifdef THREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
372
148
extern pthread_mutexattr_t my_fast_mutexattr;
373
149
#define MY_MUTEX_INIT_FAST &my_fast_mutexattr
375
151
#define MY_MUTEX_INIT_FAST NULL
377
#ifdef PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP
378
extern pthread_mutexattr_t my_errorcheck_mutexattr;
379
#define MY_MUTEX_INIT_ERRCHK &my_errorcheck_mutexattr
381
#define MY_MUTEX_INIT_ERRCHK NULL
385
155
/* Define it to something */
389
typedef ulong my_thread_id;
391
159
extern bool my_thread_global_init(void);
392
160
extern void my_thread_global_end(void);
393
161
extern bool my_thread_init(void);
394
162
extern void my_thread_end(void);
395
163
extern const char *my_thread_name(void);
396
extern my_thread_id my_thread_dbug_id(void);
398
165
/* All thread specific variables are in the following struct */
400
#define THREAD_NAME_SIZE 10
401
#ifndef DEFAULT_THREAD_STACK
404
MySQL can survive with 32K, but some glibc libraries require > 128K stack
405
To resolve hostnames. Also recursive stored procedures needs stack.
168
Drizzle can survive with 32K, but some glibc libraries require > 128K stack
169
to resolve hostnames. Also recursive stored procedures needs stack.
407
#define DEFAULT_THREAD_STACK (256*1024L)
409
#define DEFAULT_THREAD_STACK (192*1024)
171
#define DEFAULT_THREAD_STACK (256*INT32_C(1024))
413
173
struct st_my_thread_var