1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2003, Jeffrey Roberson <jeff@freebsd.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice unmodified, this list of conditions, and the following 12 * disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 * 30 */ 31 32 #ifndef _SYS_THR_H_ 33 #define _SYS_THR_H_ 34 35 #include <sys/cdefs.h> 36 #include <sys/_types.h> 37 #include <sys/sched.h> 38 39 #ifndef _SIZE_T_DECLARED 40 typedef __size_t size_t; 41 #define _SIZE_T_DECLARED 42 #endif 43 44 /* Create the thread in the suspended state. */ 45 #define THR_SUSPENDED 0x0001 46 /* Create the system scope thread. */ 47 #define THR_SYSTEM_SCOPE 0x0002 48 49 struct thr_param { 50 void (*start_func)(void *); /* thread entry function. */ 51 void *arg; /* argument for entry function. */ 52 char *stack_base; /* stack base address. */ 53 size_t stack_size; /* stack size. */ 54 char *tls_base; /* tls base address. */ 55 size_t tls_size; /* tls size. */ 56 long *child_tid; /* address to store new TID. */ 57 long *parent_tid; /* parent accesses the new TID here. */ 58 int flags; /* thread flags. */ 59 struct rtprio *rtp; /* Real-time scheduling priority */ 60 void *spare[3]; /* TODO: cpu affinity mask etc. */ 61 }; 62 63 /* 64 * See pthread_* 65 */ 66 #ifndef _KERNEL 67 #include <sys/ucontext.h> 68 69 #ifndef _PID_T_DECLARED 70 typedef __pid_t pid_t; 71 #define _PID_T_DECLARED 72 #endif 73 74 __BEGIN_DECLS 75 int thr_create(ucontext_t *ctx, long *id, int flags); 76 int thr_new(struct thr_param *param, int param_size); 77 int thr_self(long *id); 78 void thr_exit(long *state); 79 int thr_kill(long id, int sig); 80 int thr_kill2(pid_t pid, long id, int sig); 81 int thr_suspend(const struct timespec *timeout); 82 int thr_wake(long id); 83 int thr_set_name(long id, const char *name); 84 __END_DECLS 85 #endif /* !_KERNEL */ 86 87 #endif /* ! _SYS_THR_H_ */ 88