thr.h revision 170404
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: head/sys/sys/thr.h 170404 2007-06-07 19:45:19Z jhb $ 27 * 28 */ 29 30#ifndef _SYS_THR_H_ 31#define _SYS_THR_H_ 32 33#include <sys/sched.h> 34 35/* Create the thread in the suspended state. */ 36#define THR_SUSPENDED 0x0001 37/* Create the system scope thread. */ 38#define THR_SYSTEM_SCOPE 0x0002 39 40struct thr_param { 41 void (*start_func)(void *); /* thread entry function. */ 42 void *arg; /* argument for entry function. */ 43 char *stack_base; /* stack base address. */ 44 size_t stack_size; /* stack size. */ 45 char *tls_base; /* tls base address. */ 46 size_t tls_size; /* tls size. */ 47 long *child_tid; /* address to store new TID. */ 48 long *parent_tid; /* parent accesses the new TID here. */ 49 int flags; /* thread flags. */ 50 struct rtprio *rtp; /* Real-time scheduling priority */ 51 void *spare[3]; /* TODO: cpu affinity mask etc. */ 52}; 53 54/* 55 * See pthread_* 56 */ 57#ifndef _KERNEL 58 59int thr_create(ucontext_t *ctx, long *id, int flags); 60int thr_new(struct thr_param *param, int param_size); 61int thr_self(long *id); 62void thr_exit(long *state); 63int thr_kill(long id, int sig); 64int thr_suspend(const struct timespec *timeout); 65int thr_wake(long id); 66int thr_set_name(long id, const char *name); 67 68#endif /* !_KERNEL */ 69 70#endif /* ! _SYS_THR_H_ */ 71