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 */ 91