1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 
  22 /*
  23  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
  24  *
  25  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  26  * Use is subject to license terms.
  27  */
  28 
  29 #ifndef _PTHREAD_H
  30 #define _PTHREAD_H
  31 
  32 #include <sys/feature_tests.h>
  33 
  34 #ifndef _ASM
  35 #include <sys/types.h>
  36 #include <time.h>
  37 #include <sched.h>
  38 #endif  /* _ASM */
  39 
  40 #ifdef  __cplusplus
  41 extern "C" {
  42 #endif
  43 
  44 /*
  45  * Thread related attribute values defined as in thread.h.
  46  * These are defined as bit pattern in thread.h.
  47  * Any change here should be reflected in thread.h.
  48  */
  49 /* detach */
  50 #define PTHREAD_CREATE_DETACHED         0x40    /* = THR_DETACHED */
  51 #define PTHREAD_CREATE_JOINABLE         0
  52 /* scope */
  53 #define PTHREAD_SCOPE_SYSTEM            0x01    /* = THR_BOUND */
  54 #define PTHREAD_SCOPE_PROCESS           0
  55 
  56 /*
  57  * Other attributes which are not defined in thread.h
  58  */
  59 /* inherit */
  60 #define PTHREAD_INHERIT_SCHED           1
  61 #define PTHREAD_EXPLICIT_SCHED          0
  62 
  63 /*
  64  * Value of process-shared attribute
  65  * These are defined as values defined in sys/synch.h
  66  * Any change here should be reflected in sys/synch.h.
  67  */
  68 #define PTHREAD_PROCESS_SHARED          1       /* = USYNC_PROCESS */
  69 #define PTHREAD_PROCESS_PRIVATE         0       /* = USYNC_THREAD */
  70 
  71 #define _DEFAULT_TYPE                   PTHREAD_PROCESS_PRIVATE
  72 #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
  73 #define DEFAULT_TYPE                    _DEFAULT_TYPE
  74 #endif
  75 
  76 /*
  77  * mutex types
  78  * keep these in synch which sys/synch.h lock flags
  79  */
  80 #define PTHREAD_MUTEX_NORMAL            0x0
  81 #define PTHREAD_MUTEX_ERRORCHECK        0x2
  82 #define PTHREAD_MUTEX_RECURSIVE         0x4
  83 #define PTHREAD_MUTEX_DEFAULT           PTHREAD_MUTEX_NORMAL
  84 
  85 /*
  86  * Mutex protocol values. Keep these in synch with sys/synch.h lock types.
  87  */
  88 #define PTHREAD_PRIO_NONE               0x0
  89 #define PTHREAD_PRIO_INHERIT            0x10
  90 #define PTHREAD_PRIO_PROTECT            0x20
  91 
  92 /*
  93  * Mutex robust attribute values.
  94  * Keep these in synch with sys/synch.h lock types.
  95  */
  96 #define PTHREAD_MUTEX_STALLED           0x0
  97 #define PTHREAD_MUTEX_ROBUST            0x40
  98 /*
  99  * Historical solaris-specific names,
 100  * from before pthread_mutexattr_getrobust() became standardized
 101  */
 102 #define PTHREAD_MUTEX_STALL_NP          PTHREAD_MUTEX_STALLED
 103 #define PTHREAD_MUTEX_ROBUST_NP         PTHREAD_MUTEX_ROBUST
 104 
 105 /*
 106  * macros - default initializers defined as in synch.h
 107  * Any change here should be reflected in synch.h.
 108  *
 109  * NOTE:
 110  * Make sure that any change in the macros is consistent with the definition
 111  * of the corresponding types in sys/types.h (e.g. PTHREAD_MUTEX_INITIALIZER
 112  * should be consistent with the definition for pthread_mutex_t).
 113  */
 114 #define PTHREAD_MUTEX_INITIALIZER               /* = DEFAULTMUTEX */    \
 115         {{0, 0, 0, _DEFAULT_TYPE, _MUTEX_MAGIC}, {{{0}}}, 0}
 116 
 117 #define PTHREAD_COND_INITIALIZER                /* = DEFAULTCV */       \
 118         {{{0, 0, 0, 0}, _DEFAULT_TYPE, _COND_MAGIC}, 0}
 119 
 120 #define PTHREAD_RWLOCK_INITIALIZER              /* = DEFAULTRWLOCK */   \
 121         {0, _DEFAULT_TYPE, _RWL_MAGIC, PTHREAD_MUTEX_INITIALIZER,       \
 122         PTHREAD_COND_INITIALIZER, PTHREAD_COND_INITIALIZER}
 123 
 124 /* cancellation type and state */
 125 #define PTHREAD_CANCEL_ENABLE           0x00
 126 #define PTHREAD_CANCEL_DISABLE          0x01
 127 #define PTHREAD_CANCEL_DEFERRED         0x00
 128 #define PTHREAD_CANCEL_ASYNCHRONOUS     0x02
 129 #define PTHREAD_CANCELED                (void *)-19
 130 
 131 /* pthread_once related values */
 132 #define PTHREAD_ONCE_NOTDONE    0
 133 #define PTHREAD_ONCE_DONE       1
 134 #define PTHREAD_ONCE_INIT       { {0, 0, 0, PTHREAD_ONCE_NOTDONE} }
 135 
 136 /*
 137  * The key to be created by pthread_key_create_once_np()
 138  * must be statically initialized with PTHREAD_ONCE_KEY_NP.
 139  * This must be the same as THR_ONCE_KEY in <thread.h>
 140  */
 141 #define PTHREAD_ONCE_KEY_NP     (pthread_key_t)(-1)
 142 
 143 /* barriers */
 144 #define PTHREAD_BARRIER_SERIAL_THREAD   -2
 145 
 146 #ifndef _ASM
 147 
 148 /*
 149  * cancellation cleanup structure
 150  */
 151 typedef struct _cleanup {
 152         uintptr_t       pthread_cleanup_pad[4];
 153 } _cleanup_t;
 154 
 155 void    __pthread_cleanup_push(void (*)(void *), void *, caddr_t, _cleanup_t *);
 156 void    __pthread_cleanup_pop(int, _cleanup_t *);
 157 caddr_t _getfp(void);
 158 
 159 #if __cplusplus
 160 extern "C" {
 161 #endif
 162 
 163 typedef void (*_Voidfp)(void*); /* pointer to extern "C" function */
 164 
 165 #if __cplusplus
 166 } /* extern "C" */
 167 #endif
 168 
 169 #define pthread_cleanup_push(routine, args) { \
 170         _cleanup_t _cleanup_info; \
 171         __pthread_cleanup_push((_Voidfp)(routine), (void *)(args), \
 172                                 (caddr_t)_getfp(), &_cleanup_info);
 173 
 174 #define pthread_cleanup_pop(ex) \
 175         __pthread_cleanup_pop(ex, &_cleanup_info); \
 176 }
 177 
 178 /*
 179  * function prototypes - thread related calls
 180  */
 181 
 182 /*
 183  * pthread_atfork() is also declared in <unistd.h> as per SUSv2. The
 184  * declarations are identical. A change to either one may also require
 185  * appropriate namespace updates in order to avoid redeclaration
 186  * warnings in the case where both prototypes are exposed via inclusion
 187  * of both <pthread.h> and <unistd.h>.
 188  */
 189 extern int pthread_atfork(void (*) (void), void (*) (void), void (*) (void));
 190 extern int pthread_attr_init(pthread_attr_t *);
 191 extern int pthread_attr_destroy(pthread_attr_t *);
 192 extern int pthread_attr_setstack(pthread_attr_t *, void *, size_t);
 193 extern int pthread_attr_getstack(const pthread_attr_t *_RESTRICT_KYWD,
 194                 void **_RESTRICT_KYWD, size_t *_RESTRICT_KYWD);
 195 extern int pthread_attr_setstacksize(pthread_attr_t *, size_t);
 196 extern int pthread_attr_getstacksize(const pthread_attr_t *_RESTRICT_KYWD,
 197                 size_t *_RESTRICT_KYWD);
 198 extern int pthread_attr_setstackaddr(pthread_attr_t *, void *);
 199 extern int pthread_attr_getstackaddr(const pthread_attr_t *_RESTRICT_KYWD,
 200                 void **_RESTRICT_KYWD);
 201 extern int pthread_attr_setdetachstate(pthread_attr_t *, int);
 202 extern int pthread_attr_getdetachstate(const pthread_attr_t *, int *);
 203 extern int pthread_attr_setscope(pthread_attr_t *, int);
 204 extern int pthread_attr_getscope(const pthread_attr_t *_RESTRICT_KYWD,
 205         int *_RESTRICT_KYWD);
 206 extern int pthread_attr_setinheritsched(pthread_attr_t *, int);
 207 extern int pthread_attr_getinheritsched(const pthread_attr_t *_RESTRICT_KYWD,
 208         int *_RESTRICT_KYWD);
 209 extern int pthread_attr_setschedpolicy(pthread_attr_t *, int);
 210 extern int pthread_attr_getschedpolicy(const pthread_attr_t *_RESTRICT_KYWD,
 211         int *_RESTRICT_KYWD);
 212 extern int pthread_attr_setschedparam(pthread_attr_t *_RESTRICT_KYWD,
 213                 const struct sched_param *_RESTRICT_KYWD);
 214 extern int pthread_attr_getschedparam(const pthread_attr_t *_RESTRICT_KYWD,
 215                 struct sched_param *_RESTRICT_KYWD);
 216 extern int pthread_create(pthread_t *_RESTRICT_KYWD,
 217                 const pthread_attr_t *_RESTRICT_KYWD, void * (*)(void *),
 218                 void *_RESTRICT_KYWD);
 219 extern int pthread_once(pthread_once_t *, void (*)(void));
 220 extern int pthread_join(pthread_t, void **);
 221 extern int pthread_detach(pthread_t);
 222 extern void pthread_exit(void *) __NORETURN;
 223 extern int pthread_cancel(pthread_t);
 224 extern int pthread_setschedparam(pthread_t, int, const struct sched_param *);
 225 extern int pthread_getschedparam(pthread_t, int *_RESTRICT_KYWD,
 226                 struct sched_param *_RESTRICT_KYWD);
 227 extern int pthread_setschedprio(pthread_t, int);
 228 extern int pthread_setcancelstate(int, int *);
 229 extern int pthread_setcanceltype(int, int *);
 230 extern void pthread_testcancel(void);
 231 extern int pthread_equal(pthread_t, pthread_t);
 232 extern int pthread_key_create(pthread_key_t *, void (*)(void *));
 233 extern int pthread_key_create_once_np(pthread_key_t *, void (*)(void *));
 234 extern int pthread_key_delete(pthread_key_t);
 235 extern int pthread_setspecific(pthread_key_t, const void *);
 236 extern void *pthread_getspecific(pthread_key_t);
 237 extern pthread_t pthread_self(void);
 238 
 239 /*
 240  * function prototypes - synchronization related calls
 241  */
 242 extern int pthread_mutexattr_init(pthread_mutexattr_t *);
 243 extern int pthread_mutexattr_destroy(pthread_mutexattr_t *);
 244 extern int pthread_mutexattr_setpshared(pthread_mutexattr_t *, int);
 245 extern int pthread_mutexattr_getpshared(
 246         const pthread_mutexattr_t *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
 247 extern int pthread_mutexattr_setprotocol(pthread_mutexattr_t *, int);
 248 extern int pthread_mutexattr_getprotocol(
 249         const pthread_mutexattr_t *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
 250 extern int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *, int);
 251 extern int pthread_mutexattr_getprioceiling(
 252         const pthread_mutexattr_t *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
 253 extern int pthread_mutexattr_setrobust(pthread_mutexattr_t *, int);
 254 extern int pthread_mutexattr_getrobust(
 255         const pthread_mutexattr_t *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
 256 extern int pthread_mutex_init(pthread_mutex_t *_RESTRICT_KYWD,
 257         const pthread_mutexattr_t *_RESTRICT_KYWD);
 258 extern int pthread_mutex_consistent(pthread_mutex_t *);
 259 extern int pthread_mutex_destroy(pthread_mutex_t *);
 260 extern int pthread_mutex_lock(pthread_mutex_t *);
 261 extern int pthread_mutex_timedlock(pthread_mutex_t *_RESTRICT_KYWD,
 262         const struct timespec *_RESTRICT_KYWD);
 263 extern int pthread_mutex_reltimedlock_np(pthread_mutex_t *_RESTRICT_KYWD,
 264         const struct timespec *_RESTRICT_KYWD);
 265 extern int pthread_mutex_unlock(pthread_mutex_t *);
 266 extern int pthread_mutex_trylock(pthread_mutex_t *);
 267 extern int pthread_mutex_setprioceiling(pthread_mutex_t *_RESTRICT_KYWD,
 268         int, int *_RESTRICT_KYWD);
 269 extern int pthread_mutex_getprioceiling(const pthread_mutex_t *_RESTRICT_KYWD,
 270         int *_RESTRICT_KYWD);
 271 extern int pthread_condattr_init(pthread_condattr_t *);
 272 extern int pthread_condattr_destroy(pthread_condattr_t *);
 273 extern int pthread_condattr_setclock(pthread_condattr_t *, clockid_t);
 274 extern int pthread_condattr_getclock(const pthread_condattr_t *_RESTRICT_KYWD,
 275         clockid_t *_RESTRICT_KYWD);
 276 extern int pthread_condattr_setpshared(pthread_condattr_t *, int);
 277 extern int pthread_condattr_getpshared(const pthread_condattr_t *_RESTRICT_KYWD,
 278         int *_RESTRICT_KYWD);
 279 extern int pthread_cond_init(pthread_cond_t *_RESTRICT_KYWD,
 280         const pthread_condattr_t *_RESTRICT_KYWD);
 281 extern int pthread_cond_destroy(pthread_cond_t *);
 282 extern int pthread_cond_broadcast(pthread_cond_t *);
 283 extern int pthread_cond_signal(pthread_cond_t *);
 284 extern int pthread_cond_wait(pthread_cond_t *_RESTRICT_KYWD,
 285         pthread_mutex_t *_RESTRICT_KYWD);
 286 extern int pthread_cond_timedwait(pthread_cond_t *_RESTRICT_KYWD,
 287         pthread_mutex_t *_RESTRICT_KYWD, const struct timespec *_RESTRICT_KYWD);
 288 extern int pthread_cond_reltimedwait_np(pthread_cond_t *_RESTRICT_KYWD,
 289         pthread_mutex_t *_RESTRICT_KYWD, const struct timespec *_RESTRICT_KYWD);
 290 extern int pthread_attr_getguardsize(const pthread_attr_t *_RESTRICT_KYWD,
 291         size_t *_RESTRICT_KYWD);
 292 extern int pthread_attr_setguardsize(pthread_attr_t *, size_t);
 293 extern int pthread_getconcurrency(void);
 294 extern int pthread_setconcurrency(int);
 295 extern int pthread_mutexattr_settype(pthread_mutexattr_t *, int);
 296 extern int pthread_mutexattr_gettype(const pthread_mutexattr_t *_RESTRICT_KYWD,
 297         int *_RESTRICT_KYWD);
 298 extern int pthread_rwlock_init(pthread_rwlock_t *_RESTRICT_KYWD,
 299         const pthread_rwlockattr_t *_RESTRICT_KYWD);
 300 extern int pthread_rwlock_destroy(pthread_rwlock_t *);
 301 extern int pthread_rwlock_rdlock(pthread_rwlock_t *);
 302 extern int pthread_rwlock_timedrdlock(pthread_rwlock_t *_RESTRICT_KYWD,
 303         const struct timespec *_RESTRICT_KYWD);
 304 extern int pthread_rwlock_reltimedrdlock_np(pthread_rwlock_t *_RESTRICT_KYWD,
 305         const struct timespec *_RESTRICT_KYWD);
 306 extern int pthread_rwlock_tryrdlock(pthread_rwlock_t *);
 307 extern int pthread_rwlock_wrlock(pthread_rwlock_t *);
 308 extern int pthread_rwlock_timedwrlock(pthread_rwlock_t *_RESTRICT_KYWD,
 309         const struct timespec *_RESTRICT_KYWD);
 310 extern int pthread_rwlock_reltimedwrlock_np(pthread_rwlock_t *_RESTRICT_KYWD,
 311         const struct timespec *_RESTRICT_KYWD);
 312 extern int pthread_rwlock_trywrlock(pthread_rwlock_t *);
 313 extern int pthread_rwlock_unlock(pthread_rwlock_t *);
 314 extern int pthread_rwlockattr_init(pthread_rwlockattr_t *);
 315 extern int pthread_rwlockattr_destroy(pthread_rwlockattr_t *);
 316 extern int pthread_rwlockattr_getpshared(
 317         const pthread_rwlockattr_t *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
 318 extern int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *, int);
 319 extern int pthread_spin_init(pthread_spinlock_t *, int);
 320 extern int pthread_spin_destroy(pthread_spinlock_t *);
 321 extern int pthread_spin_lock(pthread_spinlock_t *);
 322 extern int pthread_spin_trylock(pthread_spinlock_t *);
 323 extern int pthread_spin_unlock(pthread_spinlock_t *);
 324 extern int pthread_barrierattr_init(pthread_barrierattr_t *);
 325 extern int pthread_barrierattr_destroy(pthread_barrierattr_t *);
 326 extern int pthread_barrierattr_setpshared(pthread_barrierattr_t *, int);
 327 extern int pthread_barrierattr_getpshared(
 328         const pthread_barrierattr_t *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
 329 extern int pthread_barrier_init(pthread_barrier_t *_RESTRICT_KYWD,
 330         const pthread_barrierattr_t *_RESTRICT_KYWD, uint_t);
 331 extern int pthread_barrier_destroy(pthread_barrier_t *);
 332 extern int pthread_barrier_wait(pthread_barrier_t *);
 333 
 334 /* Historical names -- present only for binary compatibility */
 335 extern int pthread_mutex_consistent_np(pthread_mutex_t *);
 336 extern int pthread_mutexattr_setrobust_np(pthread_mutexattr_t *, int);
 337 extern int pthread_mutexattr_getrobust_np(
 338         const pthread_mutexattr_t *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
 339 
 340 #endif  /* _ASM */
 341 
 342 #ifdef  __cplusplus
 343 }
 344 #endif
 345 
 346 #endif  /* _PTHREAD_H */