include/sys/thread.h

   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  *  For details, see <http://zfsonlinux.org/>.
  10  *
  11  *  The SPL is free software; you can redistribute it and/or modify it
  12  *  under the terms of the GNU General Public License as published by the
  13  *  Free Software Foundation; either version 2 of the License, or (at your
  14  *  option) any later version.
  15  *
  16  *  The SPL is distributed in the hope that it will be useful, but WITHOUT
  17  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  19  *  for more details.
  20  *
  21  *  You should have received a copy of the GNU General Public License along
  22  *  with the SPL.  If not, see <http://www.gnu.org/licenses/>.
  23  */
  24
  25 #ifndef _SPL_THREAD_H
  26 #define _SPL_THREAD_H
  27
  28 #include <linux/module.h>
  29 #include <linux/mm.h>
  30 #include <linux/spinlock.h>
  31 #include <linux/kthread.h>
  32 #include <sys/types.h>
  33 #include <sys/sysmacros.h>
  34 #include <sys/tsd.h>
  35
  36 /*
  37  * Thread interfaces
  38  */
  39 #define TP_MAGIC                        0x53535353
  40
  41 #define TS_SLEEP                        TASK_INTERRUPTIBLE
  42 #define TS_RUN                          TASK_RUNNING
  43 #define TS_ZOMB                         EXIT_ZOMBIE
  44 #define TS_STOPPED                      TASK_STOPPED
  45
  46 typedef void (*thread_func_t)(void *);
  47
  48 /* BEGIN CSTYLED */
  49 #define thread_create(stk, stksize, func, arg, len, pp, state, pri)     \
  50         __thread_create(stk, stksize, (thread_func_t)func,              \
  51         #func, arg, len, pp, state, pri)
  52 /* END CSTYLED */
  53
  54 #define thread_exit()                   __thread_exit()
  55 #define thread_join(t)                  VERIFY(0)
  56 #define curthread                       current
  57 #define getcomm()                       current->comm
  58 #define getpid()                        current->pid
  59
  60 extern kthread_t *__thread_create(caddr_t stk, size_t  stksize,
  61     thread_func_t func, const char *name, void *args, size_t len, proc_t *pp,
  62     int state, pri_t pri);
  63 extern void __thread_exit(void);
  64 extern struct task_struct *spl_kthread_create(int (*func)(void *),
  65                         void *data, const char namefmt[], ...);
  66
  67 #endif  /* _SPL_THREAD_H */