1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _THREAD_H 28 #define _THREAD_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 /* 33 * thread.h: 34 * definitions needed to use the thread interface except synchronization. 35 * use <synch.h> for thread synchronization. 36 */ 37 38 #ifndef _ASM 39 #include <sys/signal.h> 40 #include <sys/time.h> 41 #include <synch.h> 42 #endif /* _ASM */ 43 44 #ifdef __cplusplus 45 extern "C" { 46 #endif 47 48 #ifndef _ASM 49 typedef unsigned int thread_t; 50 typedef unsigned int thread_key_t; 51 #endif /* _ASM */ 52 53 #ifndef _ASM 54 #ifdef __STDC__ 55 56 extern int thr_create(void *, size_t, void *(*)(void *), void *, long, 57 thread_t *); 58 extern int thr_join(thread_t, thread_t *, void **); 59 extern int thr_setconcurrency(int); 60 extern int thr_getconcurrency(void); 61 extern void thr_exit(void *) __NORETURN; 62 extern thread_t thr_self(void); 63 64 /* 65 * the definition of thr_sigsetmask() is not strict ansi-c since sigset_t is 66 * not in the strict ansi-c name space. Hence, include the prototype for 67 * thr_sigsetmask() only if strict ansi-c conformance is not turned on. 68 */ 69 #if !defined(_STRICT_STDC) || defined(__EXTENSIONS__) 70 extern int thr_sigsetmask(int, const sigset_t *, sigset_t *); 71 #endif 72 73 /* 74 * the definition of thr_stksegment() is not strict ansi-c since stack_t is 75 * not in the strict ansi-c name space. Hence, include the prototype for 76 * thr_stksegment() only if strict ansi-c conformance is not turned on. 77 */ 78 #if !defined(_STRICT_STDC) || defined(__EXTENSIONS__) 79 extern int thr_stksegment(stack_t *); 80 #endif 81 82 extern int thr_main(void); 83 extern int thr_kill(thread_t, int); 84 extern int thr_suspend(thread_t); 85 extern int thr_continue(thread_t); 86 extern void thr_yield(void); 87 extern int thr_setprio(thread_t, int); 88 extern int thr_getprio(thread_t, int *); 89 extern int thr_keycreate(thread_key_t *, void(*)(void *)); 90 extern int thr_keycreate_once(thread_key_t *, void(*)(void *)); 91 extern int thr_setspecific(thread_key_t, void *); 92 extern int thr_getspecific(thread_key_t, void **); 93 extern size_t thr_min_stack(void); 94 95 #else /* __STDC */ 96 97 extern int thr_create(); 98 extern int thr_join(); 99 extern int thr_setconcurrency(); 100 extern int thr_getconcurrency(); 101 extern void thr_exit(); 102 extern thread_t thr_self(); 103 extern int thr_sigsetmask(); 104 extern int thr_stksegment(); 105 extern int thr_main(); 106 extern int thr_kill(); 107 extern int thr_suspend(); 108 extern int thr_continue(); 109 extern void thr_yield(); 110 extern int thr_setprio(); 111 extern int thr_getprio(); 112 extern int thr_keycreate(); 113 extern int thr_keycreate_once(); 114 extern int thr_setspecific(); 115 extern int thr_getspecific(); 116 extern size_t thr_min_stack(); 117 118 #endif /* __STDC */ 119 #endif /* _ASM */ 120 121 #define THR_MIN_STACK thr_min_stack() 122 /* 123 * thread flags (one word bit mask) 124 */ 125 /* 126 * POSIX.1c Note: 127 * THR_BOUND is defined same as PTHREAD_SCOPE_SYSTEM in <pthread.h> 128 * THR_DETACHED is defined same as PTHREAD_CREATE_DETACHED in <pthread.h> 129 * Any changes in these definitions should be reflected in <pthread.h> 130 */ 131 #define THR_BOUND 0x00000001 /* = PTHREAD_SCOPE_SYSTEM */ 132 #define THR_NEW_LWP 0x00000002 133 #define THR_DETACHED 0x00000040 /* = PTHREAD_CREATE_DETACHED */ 134 #define THR_SUSPENDED 0x00000080 135 #define THR_DAEMON 0x00000100 136 137 /* 138 * The key to be created by thr_keycreate_once() 139 * must be statically initialized with THR_ONCE_KEY. 140 * This must be the same as PTHREAD_ONCE_KEY_NP in <pthread.h> 141 */ 142 #define THR_ONCE_KEY (thread_key_t)(-1) 143 144 /* 145 * The available register states returned by thr_getstate(). 146 */ 147 #define TRS_VALID 0 148 #define TRS_NONVOLATILE 1 149 #define TRS_LWPID 2 150 #define TRS_INVALID 3 151 152 #ifdef __cplusplus 153 } 154 #endif 155 156 #endif /* _THREAD_H */ 157