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/9.0/sys/sys/thr.h 206903 2010-04-20 17:57:43Z imp $
   27  *
   28  */
   29 
   30 #ifndef _SYS_THR_H_
   31 #define _SYS_THR_H_
   32 
   33 #include <sys/cdefs.h>
   34 #include <sys/_types.h>
   35 #include <sys/sched.h>
   36 
   37 #ifndef _SIZE_T_DECLARED
   38 typedef __size_t        size_t;
   39 #define _SIZE_T_DECLARED
   40 #endif
   41 
   42 /* Create the thread in the suspended state. */
   43 #define THR_SUSPENDED           0x0001
   44 /* Create the system scope thread. */
   45 #define THR_SYSTEM_SCOPE        0x0002
   46 
   47 struct thr_param {
   48     void        (*start_func)(void *);  /* thread entry function. */
   49     void        *arg;                   /* argument for entry function. */
   50     char        *stack_base;            /* stack base address. */
   51     size_t      stack_size;             /* stack size. */
   52     char        *tls_base;              /* tls base address. */
   53     size_t      tls_size;               /* tls size. */
   54     long        *child_tid;             /* address to store new TID. */
   55     long        *parent_tid;            /* parent accesses the new TID here. */
   56     int         flags;                  /* thread flags. */
   57     struct rtprio       *rtp;           /* Real-time scheduling priority */
   58     void        *spare[3];              /* TODO: cpu affinity mask etc. */
   59 };
   60 
   61 /* 
   62  * See pthread_*
   63  */
   64 #ifndef _KERNEL
   65 #include <sys/ucontext.h>
   66 
   67 #ifndef _PID_T_DECLARED
   68 typedef __pid_t         pid_t;
   69 #define _PID_T_DECLARED
   70 #endif
   71 
   72 __BEGIN_DECLS
   73 int thr_create(ucontext_t *ctx, long *id, int flags);
   74 int thr_new(struct thr_param *param, int param_size);
   75 int thr_self(long *id);
   76 void thr_exit(long *state);
   77 int thr_kill(long id, int sig);
   78 int thr_kill2(pid_t pid, long id, int sig);
   79 int thr_suspend(const struct timespec *timeout);
   80 int thr_wake(long id);
   81 int thr_set_name(long id, const char *name);
   82 __END_DECLS
   83 #endif /* !_KERNEL */
   84 
   85 #endif /* ! _SYS_THR_H_ */

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