thread.h

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    1 /*
    2  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
    3  *  Copyright (C) 2007 The Regents of the University of California.
    4  *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
    5  *  Written by Brian Behlendorf <behlendorf1@llnl.gov>.
    6  *  UCRL-CODE-235197
    7  *
    8  *  This file is part of the SPL, Solaris Porting Layer.
    9  *
   10  *  The SPL is free software; you can redistribute it and/or modify it
   11  *  under the terms of the GNU General Public License as published by the
   12  *  Free Software Foundation; either version 2 of the License, or (at your
   13  *  option) any later version.
   14  *
   15  *  The SPL is distributed in the hope that it will be useful, but WITHOUT
   16  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   17  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   18  *  for more details.
   19  *
   20  *  You should have received a copy of the GNU General Public License along
   21  *  with the SPL.  If not, see <http://www.gnu.org/licenses/>.
   22  */
   23 
   24 #ifndef _SPL_THREAD_H
   25 #define _SPL_THREAD_H
   26 
   27 #include <linux/module.h>
   28 #include <linux/mm.h>
   29 #include <linux/spinlock.h>
   30 #include <linux/kthread.h>
   31 #include <sys/types.h>
   32 #include <sys/sysmacros.h>
   33 #include <sys/tsd.h>
   34 
   35 /*
   36  * Thread interfaces
   37  */
   38 #define TP_MAGIC                        0x53535353
   39 
   40 #define TS_SLEEP                        TASK_INTERRUPTIBLE
   41 #define TS_RUN                          TASK_RUNNING
   42 #define TS_ZOMB                         EXIT_ZOMBIE
   43 #define TS_STOPPED                      TASK_STOPPED
   44 
   45 typedef void (*thread_func_t)(void *);
   46 
   47 #define thread_create_named(name, stk, stksize, func, arg, len, \
   48     pp, state, pri)     \
   49         __thread_create(stk, stksize, (thread_func_t)func,              \
   50         name, arg, len, pp, state, pri)
   51 
   52 #define thread_create(stk, stksize, func, arg, len, pp, state, pri)     \
   53         __thread_create(stk, stksize, (thread_func_t)func, #func,       \
   54         arg, len, pp, state, pri)
   55 
   56 #define thread_exit()                   spl_thread_exit()
   57 #define thread_join(t)                  VERIFY(0)
   58 #define curthread                       current
   59 #define getcomm()                       current->comm
   60 #define getpid()                        current->pid
   61 
   62 extern kthread_t *__thread_create(caddr_t stk, size_t  stksize,
   63     thread_func_t func, const char *name, void *args, size_t len, proc_t *pp,
   64     int state, pri_t pri);
   65 extern struct task_struct *spl_kthread_create(int (*func)(void *),
   66     void *data, const char namefmt[], ...);
   67 
   68 static inline __attribute__((noreturn)) void
   69 spl_thread_exit(void)
   70 {
   71         tsd_exit();
   72         SPL_KTHREAD_COMPLETE_AND_EXIT(NULL, 0);
   73 }
   74 
   75 extern proc_t p0;
   76 
   77 #ifdef HAVE_SIGINFO
   78 typedef kernel_siginfo_t spl_kernel_siginfo_t;
   79 #else
   80 typedef siginfo_t spl_kernel_siginfo_t;
   81 #endif
   82 
   83 #ifdef HAVE_SET_SPECIAL_STATE
   84 #define spl_set_special_state(x) set_special_state((x))
   85 #else
   86 #define spl_set_special_state(x) __set_current_state((x))
   87 #endif
   88 
   89 
   90 #endif  /* _SPL_THREAD_H */

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FreeBSD/Linux Kernel Cross Reference sys/contrib/openzfs/include/os/linux/spl/sys/thread.h

FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/include/os/linux/spl/sys/thread.h