thr.h revision 164184
1139825Simp/*- 2112899Sjeff * Copyright (c) 2003, Jeffrey Roberson <jeff@freebsd.org> 3112899Sjeff * All rights reserved. 4112899Sjeff * 5112899Sjeff * Redistribution and use in source and binary forms, with or without 6112899Sjeff * modification, are permitted provided that the following conditions 7112899Sjeff * are met: 8112899Sjeff * 1. Redistributions of source code must retain the above copyright 9112899Sjeff * notice unmodified, this list of conditions, and the following 10112899Sjeff * disclaimer. 11112899Sjeff * 2. Redistributions in binary form must reproduce the above copyright 12112899Sjeff * notice, this list of conditions and the following disclaimer in the 13112899Sjeff * documentation and/or other materials provided with the distribution. 14112899Sjeff * 15112899Sjeff * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16112899Sjeff * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17112899Sjeff * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18112899Sjeff * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19112899Sjeff * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20112899Sjeff * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21112899Sjeff * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22112899Sjeff * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23112899Sjeff * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24112899Sjeff * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25112899Sjeff * 26112899Sjeff * $FreeBSD: head/sys/sys/thr.h 164184 2006-11-11 16:26:58Z trhodes $ 27112899Sjeff * 28112899Sjeff */ 29112899Sjeff 30112899Sjeff#ifndef _SYS_THR_H_ 31112899Sjeff#define _SYS_THR_H_ 32112899Sjeff 33164184Strhodes#include <sys/sched.h> 34160254Sdavidxu 35145434Sdavidxu/* Create the thread in the suspended state. */ 36145434Sdavidxu#define THR_SUSPENDED 0x0001 37145434Sdavidxu/* Create the system scope thread. */ 38145434Sdavidxu#define THR_SYSTEM_SCOPE 0x0002 39112899Sjeff 40145434Sdavidxustruct thr_param { 41145434Sdavidxu void (*start_func)(void *); /* thread entry function. */ 42145434Sdavidxu void *arg; /* argument for entry function. */ 43145434Sdavidxu char *stack_base; /* stack base address. */ 44145434Sdavidxu size_t stack_size; /* stack size. */ 45145434Sdavidxu char *tls_base; /* tls base address. */ 46145434Sdavidxu size_t tls_size; /* tls size. */ 47145434Sdavidxu long *child_tid; /* address to store new TID. */ 48145434Sdavidxu long *parent_tid; /* parent accesses the new TID here. */ 49145434Sdavidxu int flags; /* thread flags. */ 50162497Sdavidxu struct rtprio *rtp; /* Real-time scheduling priority */ 51162497Sdavidxu void *spare[3]; /* TODO: cpu affinity mask etc. */ 52145434Sdavidxu}; 53145434Sdavidxu 54112899Sjeff/* 55112899Sjeff * See pthread_* 56112899Sjeff */ 57112899Sjeff#ifndef _KERNEL 58112899Sjeff 59131431Smarcelint thr_create(ucontext_t *ctx, long *id, int flags); 60145434Sdavidxuint thr_new(struct thr_param *param, int param_size); 61131431Smarcelint thr_self(long *id); 62136192Smtmvoid thr_exit(long *state); 63131431Smarcelint thr_kill(long id, int sig); 64127482Smtmint thr_suspend(const struct timespec *timeout); 65131431Smarcelint thr_wake(long id); 66155327Sdavidxuint thr_set_name(long id, const char *name); 67162551Sdavidxu#else 68162551Sdavidxustruct thread; 69162551Sdavidxuint kern_thr_new(struct thread *td, struct thr_param *param); 70162551Sdavidxuint kern_thr_suspend(struct thread *, struct timespec *); 71112899Sjeff#endif /* !_KERNEL */ 72112899Sjeff 73112899Sjeff#endif /* ! _SYS_THR_H_ */ 74