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/cdefs.h> 34#include <sys/_types.h> 35#include <sys/sched.h> 36 37#ifndef _SIZE_T_DECLARED 38typedef __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 47struct 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 68typedef __pid_t pid_t; 69#define _PID_T_DECLARED 70#endif 71 72__BEGIN_DECLS 73int thr_create(ucontext_t *ctx, long *id, int flags); 74int thr_new(struct thr_param *param, int param_size); 75int thr_self(long *id); 76void thr_exit(long *state); 77int thr_kill(long id, int sig); 78int thr_kill2(pid_t pid, long id, int sig); 79int thr_suspend(const struct timespec *timeout); 80int thr_wake(long id); 81int thr_set_name(long id, const char *name); 82__END_DECLS 83#endif /* !_KERNEL */ 84 85#endif /* ! _SYS_THR_H_ */ 86