1 /* 2 * Copyright (c) 1993, 1994 by Chris Provenzano, proven@mit.edu 3 * Copyright (c) 1995 by John Birrell <jb@cimlogic.com.au> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following 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 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Chris Provenzano. 17 * 4. The name of Chris Provenzano may not be used to endorse or promote 18 * products derived from this software without specific prior written 19 * permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL CHRIS PROVENZANO BE LIABLE FOR ANY 25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 27 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 28 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 */ 34 #ifndef _PTHREAD_H_ 35 #define _PTHREAD_H_ 36 37 /* 38 * Header files. 39 */ 40 #include <sys/cdefs.h> 41 #include <sys/types.h> 42 #include <sys/time.h> 43 #include <sys/signal.h> 44 #include <limits.h> 45 46 /* 47 * Run-time invariant values: 48 */ 49 #define PTHREAD_DESTRUCTOR_ITERATIONS 4 50 #define PTHREAD_KEYS_MAX 256 51 #define PTHREAD_STACK_MIN 1024 52 #define PTHREAD_THREADS_MAX ULONG_MAX 53 54 /* 55 * Compile time symbolic constants for portability specifications: 56 * 57 * Note that those commented out are not currently supported by the 58 * implementation. 59 */ 60 #define _POSIX_THREADS 61 #define _POSIX_THREAD_ATTR_STACKADDR 62 #define _POSIX_THREAD_ATTR_STACKSIZE 63 #define _POSIX_THREAD_PRIORITY_SCHEDULING 64 /* #define _POSIX_THREAD_PRIO_INHERIT */ 65 /* #define _POSIX_THREAD_PRIO_PROTECT */ 66 /* #define _POSIX_THREAD_PROCESS_SHARED */ 67 #define _POSIX_THREAD_SAFE_FUNCTIONS 68 69 /* 70 * Forward structure definitions. 71 * 72 * These are mostly opaque to the user. 73 */ 74 struct pthread; 75 struct pthread_attr; 76 struct pthread_cond; 77 struct pthread_cond_attr; 78 struct pthread_mutex; 79 struct pthread_mutex_attr; 80 struct pthread_once; 81 struct sched_param; 82 83 /* 84 * Primitive system data type definitions required by P1003.1c. 85 * 86 * Note that P1003.1c specifies that there are no defined comparison 87 * or assignment operators for the types pthread_attr_t, pthread_cond_t, 88 * pthread_condattr_t, pthread_mutex_t, pthread_mutexattr_t. 89 */ 90 typedef struct pthread *pthread_t; 91 typedef struct pthread_attr *pthread_attr_t; 92 typedef struct pthread_mutex *pthread_mutex_t; 93 typedef struct pthread_mutex_attr *pthread_mutexattr_t; 94 typedef struct pthread_cond *pthread_cond_t; 95 typedef struct pthread_cond_attr *pthread_condattr_t; 96 typedef int pthread_key_t; 97 typedef struct pthread_once pthread_once_t; 98 99 /* 100 * Additional type definitions: 101 * 102 * Note that P1003.1c reserves the prefixes pthread_ and PTHREAD_ for 103 * use in header symbols. 104 */ 105 typedef void *pthread_addr_t; 106 typedef void *(*pthread_startroutine_t) (void *); 107 108 /* 109 * Once definitions. 110 */ 111 struct pthread_once { 112 int state; 113 pthread_mutex_t mutex; 114 }; 115 116 /* 117 * Flags for once initialization. 118 */ 119 #define PTHREAD_NEEDS_INIT 0 120 #define PTHREAD_DONE_INIT 1 121 122 /* 123 * Static once initialization values. 124 */ 125 #define PTHREAD_ONCE_INIT { PTHREAD_NEEDS_INIT, NULL } 126 127 /* 128 * Default attribute arguments. 129 */ 130 #define pthread_condattr_default NULL 131 #ifndef PTHREAD_KERNEL 132 #define pthread_mutexattr_default NULL 133 #define pthread_attr_default NULL 134 #endif 135 136 enum pthread_mutextype { 137 MUTEX_TYPE_FAST = 1, 138 MUTEX_TYPE_COUNTING_FAST = 2, /* Recursive */ 139 MUTEX_TYPE_MAX 140 }; 141 142 /* 143 * Thread function prototype definitions: 144 */ 145 __BEGIN_DECLS 146 int pthread_attr_destroy __P((pthread_attr_t *)); 147 int pthread_attr_getinheritsched __P((pthread_attr_t *, int *)); 148 int pthread_attr_getschedparam __P((pthread_attr_t *, 149 struct sched_param *)); 150 int pthread_attr_getschedpolicy __P((pthread_attr_t *, int *)); 151 int pthread_attr_getscope __P((pthread_attr_t *, int *)); 152 int pthread_attr_getstacksize __P((pthread_attr_t *, size_t *)); 153 int pthread_attr_getstackaddr __P((pthread_attr_t *, void **)); 154 int pthread_attr_getdetachstate __P((pthread_attr_t *, int *)); 155 int pthread_attr_init __P((pthread_attr_t *)); 156 int pthread_attr_setinheritsched __P((pthread_attr_t *, int)); 157 int pthread_attr_setschedparam __P((pthread_attr_t *, 158 struct sched_param *)); 159 int pthread_attr_setschedpolicy __P((pthread_attr_t *, int)); 160 int pthread_attr_setscope __P((pthread_attr_t *, int)); 161 int pthread_attr_setstacksize __P((pthread_attr_t *, size_t)); 162 int pthread_attr_setstackaddr __P((pthread_attr_t *, void *)); 163 int pthread_attr_setdetachstate __P((pthread_attr_t *, int)); 164 void pthread_cleanup_pop __P((int execute)); 165 int pthread_cleanup_push __P((void (*routine) (void *), 166 void *routine_arg)); 167 int pthread_condattr_destroy __P((pthread_condattr_t *attr)); 168 int pthread_condattr_init __P((pthread_condattr_t *attr)); 169 int pthread_condattr_getpshared __P((pthread_condattr_t *attr, 170 int *pshared)); 171 int pthread_condattr_setpshared __P((pthread_condattr_t *attr, 172 int pshared)); 173 int pthread_cond_broadcast __P((pthread_cond_t *)); 174 int pthread_cond_destroy __P((pthread_cond_t *)); 175 int pthread_cond_init __P((pthread_cond_t *, 176 const pthread_condattr_t *)); 177 int pthread_cond_signal __P((pthread_cond_t *)); 178 int pthread_cond_timedwait __P((pthread_cond_t *, 179 pthread_mutex_t *, const struct timespec * abstime)); 180 int pthread_cond_wait __P((pthread_cond_t *, pthread_mutex_t *)); 181 int pthread_create __P((pthread_t *, const pthread_attr_t *, 182 void *(*start_routine) (void *), void *)); 183 int pthread_detach __P((pthread_t *)); 184 int pthread_equal __P((pthread_t, pthread_t)); 185 void pthread_exit __P((void *)); 186 void *pthread_getspecific __P((pthread_key_t)); 187 int pthread_join __P((pthread_t, void **)); 188 int pthread_key_create __P((pthread_key_t *, 189 void (*routine) (void *))); 190 int pthread_key_delete __P((pthread_key_t)); 191 int pthread_kill __P((struct pthread *, int)); 192 int pthread_mutexattr_destroy __P((pthread_mutexattr_t *)); 193 int pthread_mutexattr_getprioceiling __P((pthread_mutexattr_t *, 194 int *prioceiling)); 195 int pthread_mutexattr_getprotocol __P((pthread_mutexattr_t *, 196 int *protocol)); 197 int pthread_mutexattr_getpshared __P((pthread_mutexattr_t *, 198 int *pshared)); 199 int pthread_mutexattr_init __P((pthread_mutexattr_t *)); 200 int pthread_mutexattr_setprioceiling __P((pthread_mutexattr_t *, 201 int prioceiling)); 202 int pthread_mutexattr_setprotocol __P((pthread_mutexattr_t *, 203 int protocol)); 204 int pthread_mutexattr_setpshared __P((pthread_mutexattr_t *, 205 int pshared)); 206 int pthread_mutex_destroy __P((pthread_mutex_t *)); 207 int pthread_mutex_getprioceiling __P((pthread_mutex_t *)); 208 int pthread_mutex_init __P((pthread_mutex_t *, 209 const pthread_mutexattr_t *)); 210 int pthread_mutex_lock __P((pthread_mutex_t *)); 211 int pthread_mutex_setprioceiling __P((pthread_mutex_t *)); 212 int pthread_mutex_trylock __P((pthread_mutex_t *)); 213 int pthread_mutex_unlock __P((pthread_mutex_t *)); 214 int pthread_once __P((pthread_once_t *, 215 void (*init_routine) (void))); 216 pthread_t pthread_self __P((void)); 217 int pthread_setcancelstate __P((int, int *)); 218 int pthread_setcanceltype __P((int, int *)); 219 int pthread_setspecific __P((pthread_key_t, const void *)); 220 int pthread_sigmask __P((int, const sigset_t *, sigset_t *)); 221 int pthread_testcancel __P((void)); 222 223 224 int pthread_getprio __P((pthread_t)); 225 int pthread_setprio __P((pthread_t, int)); 226 void pthread_yield __P((void)); 227 int pthread_setschedparam __P((pthread_t pthread, int policy, 228 struct sched_param * param)); 229 int pthread_getschedparam __P((pthread_t pthread, int *policy, 230 struct sched_param * param)); 231 int pthread_attr_setfloatstate __P((pthread_attr_t *, int)); 232 int pthread_attr_getfloatstate __P((pthread_attr_t *, int *)); 233 int pthread_attr_setcleanup __P((pthread_attr_t *, 234 void (*routine) (void *), void *)); 235 __END_DECLS 236 237 #endif 238