include/thread.h

   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 2007 Sun Microsystems, Inc.  All rights reserved.
  26  * Use is subject to license terms.
  27  */
  28
  29 #ifndef _THREAD_H
  30 #define _THREAD_H
  31
  32 /*
  33  * thread.h:
  34  * definitions needed to use the thread interface except synchronization.
  35  * use <synch.h> for thread synchronization.
  36  */
  37
  38 #ifndef _ASM
  39 #include <sys/signal.h>
  40 #include <sys/time.h>
  41 #include <synch.h>
  42 #endif  /* _ASM */
  43
  44 #ifdef __cplusplus
  45 extern "C" {
  46 #endif
  47
  48 #ifndef _ASM
  49 typedef unsigned int thread_t;
  50 typedef unsigned int thread_key_t;
  51
  52 extern int thr_create(void *, size_t, void *(*)(void *), void *, long,
  53                         thread_t *);
  54 extern int thr_join(thread_t, thread_t *, void **);
  55 extern int thr_setconcurrency(int);
  56 extern int thr_getconcurrency(void);
  57 extern void thr_exit(void *) __NORETURN;
  58 extern thread_t thr_self(void);
  59
  60 /*
  61  * the definition of thr_sigsetmask() is not strict ansi-c since sigset_t is
  62  * not in the strict ansi-c name space. Hence, include the prototype for
  63  * thr_sigsetmask() only if strict ansi-c conformance is not turned on.
  64  */
  65 #if !defined(_STRICT_STDC) || defined(__EXTENSIONS__)
  66 extern int thr_sigsetmask(int, const sigset_t *, sigset_t *);
  67 #endif
  68
  69 /*
  70  * the definition of thr_stksegment() is not strict ansi-c since stack_t is
  71  * not in the strict ansi-c name space. Hence, include the prototype for
  72  * thr_stksegment() only if strict ansi-c conformance is not turned on.
  73  */
  74 #if !defined(_STRICT_STDC) || defined(__EXTENSIONS__)
  75 extern int thr_stksegment(stack_t *);
  76 #endif
  77
  78 extern int thr_main(void);
  79 extern int thr_kill(thread_t, int);
  80 extern int thr_suspend(thread_t);
  81 extern int thr_continue(thread_t);
  82 extern void thr_yield(void);
  83 extern int thr_setprio(thread_t, int);
  84 extern int thr_getprio(thread_t, int *);
  85 extern int thr_keycreate(thread_key_t *, void(*)(void *));
  86 extern int thr_keycreate_once(thread_key_t *, void(*)(void *));
  87 extern int thr_setspecific(thread_key_t, void *);
  88 extern int thr_getspecific(thread_key_t, void **);
  89 extern size_t thr_min_stack(void);
  90
  91 #endif /* _ASM */
  92
  93 #define THR_MIN_STACK   thr_min_stack()
  94 /*
  95  * thread flags (one word bit mask)
  96  */
  97 /*
  98  * POSIX.1c Note:
  99  * THR_BOUND is defined same as PTHREAD_SCOPE_SYSTEM in <pthread.h>
 100  * THR_DETACHED is defined same as PTHREAD_CREATE_DETACHED in <pthread.h>
 101  * Any changes in these definitions should be reflected in <pthread.h>
 102  */
 103 #define THR_BOUND               0x00000001      /* = PTHREAD_SCOPE_SYSTEM */
 104 #define THR_NEW_LWP             0x00000002
 105 #define THR_DETACHED            0x00000040      /* = PTHREAD_CREATE_DETACHED */
 106 #define THR_SUSPENDED           0x00000080
 107 #define THR_DAEMON              0x00000100
 108
 109 /*
 110  * The key to be created by thr_keycreate_once()
 111  * must be statically initialized with THR_ONCE_KEY.
 112  * This must be the same as PTHREAD_ONCE_KEY_NP in <pthread.h>
 113  */
 114 #define THR_ONCE_KEY    (thread_key_t)(-1)
 115
 116 /*
 117  * The available register states returned by thr_getstate().
 118  */
 119 #define TRS_VALID       0
 120 #define TRS_NONVOLATILE 1
 121 #define TRS_LWPID       2
 122 #define TRS_INVALID     3
 123
 124 #ifdef __cplusplus
 125 }
 126 #endif
 127
 128 #endif  /* _THREAD_H */