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

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