external/cddl/osnet/include/thread.h

   1 /*      $NetBSD: thread.h,v 1.1 2009/03/26 22:11:43 ad Exp $    */
   2
   3 /*
   4  * CDDL HEADER START
   5  *
   6  * The contents of this file are subject to the terms of the
   7  * Common Development and Distribution License (the "License").
   8  * You may not use this file except in compliance with the License.
   9  *
  10  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  11  * or http://www.opensolaris.org/os/licensing.
  12  * See the License for the specific language governing permissions
  13  * and limitations under the License.
  14  *
  15  * When distributing Covered Code, include this CDDL HEADER in each
  16  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  17  * If applicable, add the following below this CDDL HEADER, with the
  18  * fields enclosed by brackets "[]" replaced with your own identifying
  19  * information: Portions Copyright [yyyy] [name of copyright owner]
  20  *
  21  * CDDL HEADER END
  22  */
  23
  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 #pragma ident   "%Z%%M% %I%     %E% SMI"
  33
  34 #include <pthread.h>
  35 #include <assert.h>
  36
  37 /*
  38  * Compatibility thread stuff needed for Solaris -> Linux port
  39  */
  40
  41 typedef pthread_t thread_t;
  42 typedef pthread_mutex_t mutex_t;
  43 typedef pthread_cond_t cond_t;
  44 typedef pthread_rwlock_t rwlock_t;
  45
  46 #define USYNC_THREAD 0
  47
  48 #define thr_self()              (unsigned long)pthread_self()
  49 #define thr_equal(a,b)          pthread_equal(a,b)
  50 #define thr_join(t,d,s)         pthread_join(t,s)
  51 #define thr_exit(r)             pthread_exit(r)
  52 #define thr_main()              (1)
  53 #define _mutex_init(l,f,a)      pthread_mutex_init(l,NULL)
  54 #define _mutex_destroy(l)       pthread_mutex_destroy(l)
  55 #define mutex_lock(l)           pthread_mutex_lock(l)
  56 #define mutex_trylock(l)        pthread_mutex_trylock(l)
  57 #define mutex_unlock(l)         pthread_mutex_unlock(l)
  58 #define rwlock_init(l,f,a)      pthread_rwlock_init(l,NULL)
  59 #define rwlock_destroy(l)       pthread_rwlock_destroy(l)
  60 #define rw_rdlock(l)            pthread_rwlock_rdlock(l)
  61 #define rw_wrlock(l)            pthread_rwlock_wrlock(l)
  62 #define rw_tryrdlock(l)         pthread_rwlock_tryrdlock(l)
  63 #define rw_trywrlock(l)         pthread_rwlock_trywrlock(l)
  64 #define rw_unlock(l)            pthread_rwlock_unlock(l)
  65 #define cond_init(l,f,a)        pthread_cond_init(l,NULL)
  66 #define cond_destroy(l)         pthread_cond_destroy(l)
  67 #define cond_wait(l,m)          pthread_cond_wait(l,m)
  68 #define cond_signal(l)          pthread_cond_signal(l)
  69 #define cond_broadcast(l)       pthread_cond_broadcast(l)
  70
  71 #define THR_BOUND     0x00000001  /* = PTHREAD_SCOPE_SYSTEM */
  72 #define THR_NEW_LWP   0x00000002
  73 #define THR_DETACHED  0x00000040  /* = PTHREAD_CREATE_DETACHED */
  74 #define THR_SUSPENDED 0x00000080
  75 #define THR_DAEMON    0x00000100
  76
  77 static __inline int
  78 thr_create(void *stack_base, size_t stack_size, void *(*start_func) (void*),
  79     void *arg, long flags, thread_t *new_thread_ID)
  80 {
  81         int ret;
  82
  83         assert(stack_base == NULL);
  84         assert(stack_size == 0);
  85         assert((flags & ~THR_BOUND & ~THR_DETACHED) == 0);
  86
  87         pthread_attr_t attr;
  88         pthread_attr_init(&attr);
  89
  90         if(flags & THR_DETACHED)
  91                 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
  92
  93         /* This function ignores the THR_BOUND flag, since NPTL doesn't seem to support PTHREAD_SCOPE_PROCESS */
  94
  95         ret = pthread_create(new_thread_ID, &attr, start_func, arg);
  96
  97         pthread_attr_destroy(&attr);
  98
  99         return (ret);
 100 }
 101
 102 #endif  /* _THREAD_H */