The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/sys/thr.h

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    1 /*-
    2  * Copyright (c) 2003, Jeffrey Roberson <jeff@freebsd.org>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice unmodified, this list of conditions, and the following
   10  *    disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/6.3/sys/sys/thr.h 173886 2007-11-24 19:45:58Z cvs2svn $
   27  *
   28  */
   29 
   30 #ifndef _SYS_THR_H_
   31 #define _SYS_THR_H_
   32 
   33 /* Create the thread in the suspended state. */
   34 #define THR_SUSPENDED           0x0001
   35 /* Create the system scope thread. */
   36 #define THR_SYSTEM_SCOPE        0x0002
   37 
   38 struct thr_param {
   39     void        (*start_func)(void *);  /* thread entry function. */
   40     void        *arg;                   /* argument for entry function. */
   41     char        *stack_base;            /* stack base address. */
   42     size_t      stack_size;             /* stack size. */
   43     char        *tls_base;              /* tls base address. */
   44     size_t      tls_size;               /* tls size. */
   45     long        *child_tid;             /* address to store new TID. */
   46     long        *parent_tid;            /* parent accesses the new TID here. */
   47     int         flags;                  /* thread flags. */
   48     void        *spare[4];              /* TODO: cpu affinity mask etc. */
   49 };
   50 
   51 /* 
   52  * See pthread_*
   53  */
   54 #ifndef _KERNEL
   55 
   56 int thr_create(ucontext_t *ctx, long *id, int flags);
   57 int thr_new(struct thr_param *param, int param_size);
   58 int thr_self(long *id);
   59 void thr_exit(long *state);
   60 int thr_kill(long id, int sig);
   61 int thr_suspend(const struct timespec *timeout);
   62 int thr_wake(long id);
   63 
   64 #endif /* !_KERNEL */
   65 
   66 #endif /* ! _SYS_THR_H_ */

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