1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 */ 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 38 typedef __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 #define THR_C_RUNTIME 0x0004 47 48 struct thr_param { 49 void (*start_func)(void *); /* thread entry function. */ 50 void *arg; /* argument for entry function. */ 51 char *stack_base; /* stack base address. */ 52 size_t stack_size; /* stack size. */ 53 char *tls_base; /* tls base address. */ 54 size_t tls_size; /* tls size. */ 55 long *child_tid; /* address to store new TID. */ 56 long *parent_tid; /* parent accesses the new TID here. */ 57 int flags; /* thread flags. */ 58 struct rtprio *rtp; /* Real-time scheduling priority */ 59 void *spare[3]; /* TODO: cpu affinity mask etc. */ 60 }; 61 62 /* 63 * See pthread_* 64 */ 65 #ifndef _KERNEL 66 #include <sys/ucontext.h> 67 68 #ifndef _PID_T_DECLARED 69 typedef __pid_t pid_t; 70 #define _PID_T_DECLARED 71 #endif 72 73 __BEGIN_DECLS 74 int thr_create(ucontext_t *ctx, long *id, int flags); 75 int thr_new(struct thr_param *param, int param_size); 76 int thr_self(long *id); 77 void thr_exit(long *state); 78 int thr_kill(long id, int sig); 79 int thr_kill2(pid_t pid, long id, int sig); 80 int thr_suspend(const struct timespec *timeout); 81 int thr_wake(long id); 82 int thr_set_name(long id, const char *name); 83 __END_DECLS 84 #endif /* !_KERNEL */ 85 86 #endif /* ! _SYS_THR_H_ */ 87