Mercurial > ecos
annotate packages/kernel/current/src/common/kapi.cxx @ 64:c38311975d4f ecos-sw-2000-01-28
Merge from eCos master repository on 2000-01-28-04:28:11-GMT
| author | jlarmour |
|---|---|
| date | Fri, 28 Jan 2000 04:59:39 +0000 |
| parents | 755351606154 |
| children | bf00f99aec69 |
| rev | line source |
|---|---|
| 0 | 1 //========================================================================== |
| 2 // | |
| 2 | 3 // common/kapi.cxx |
| 0 | 4 // |
| 2 | 5 // C API Implementation |
| 0 | 6 // |
| 7 //========================================================================== | |
| 8 //####COPYRIGHTBEGIN#### | |
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9 // |
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10 // ------------------------------------------- |
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11 // The contents of this file are subject to the Red Hat eCos Public License |
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12 // Version 1.0 (the "License"); you may not use this file except in |
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13 // compliance with the License. You may obtain a copy of the License at |
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14 // http://sourceware.cygnus.com/ecos |
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15 // |
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16 // Software distributed under the License is distributed on an |
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
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18 // License for the specific language governing rights and limitations under |
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19 // the License. |
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20 // |
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21 // The Original Code is eCos - Embedded Configurable Operating System, |
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22 // released September 30, 1998. |
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23 // |
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24 // The Initial Developer of the Original Code is Red Hat. |
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25 // Portions created by Red Hat are |
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc. |
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27 // All Rights Reserved. |
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28 // ------------------------------------------- |
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29 // |
| 0 | 30 //####COPYRIGHTEND#### |
| 31 //========================================================================== | |
| 32 //#####DESCRIPTIONBEGIN#### | |
| 33 // | |
| 2 | 34 // Author(s): nickg, dsm |
| 35 // Contributors: nickg | |
| 36 // Date: 1998-03-02 | |
| 37 // Purpose: C API Implementation | |
| 38 // Description: C++ implementation of the C API | |
| 0 | 39 // |
| 40 // | |
| 41 //####DESCRIPTIONEND#### | |
| 42 // | |
| 43 //========================================================================== | |
| 44 | |
| 45 #include <pkgconf/kernel.h> | |
| 46 | |
| 47 #ifdef CYGFUN_KERNEL_API_C | |
| 48 | |
| 49 #include <cyg/kernel/ktypes.h> // base kernel types | |
| 50 #include <cyg/infra/cyg_trac.h> // tracing macros | |
| 51 #include <cyg/infra/cyg_ass.h> // assertion macros | |
| 52 #include <cyg/kernel/instrmnt.h> // instrumentation | |
| 53 #include <cyg/kernel/diag.h> | |
| 54 | |
| 55 #include <cyg/kernel/thread.hxx> | |
| 56 #include <cyg/kernel/thread.inl> // thread inlines | |
| 57 #include <cyg/kernel/sched.hxx> | |
| 58 #include <cyg/kernel/intr.hxx> | |
| 59 #include <cyg/kernel/clock.hxx> | |
| 60 | |
| 61 #include <cyg/kernel/memfixed.hxx> | |
| 62 #include <cyg/kernel/memvar.hxx> | |
| 63 | |
| 64 #include <cyg/kernel/sema.hxx> | |
| 65 #include <cyg/kernel/flag.hxx> | |
| 66 #include <cyg/kernel/mutex.hxx> | |
| 67 #include <cyg/kernel/mbox.hxx> | |
| 68 | |
| 69 #include <cyg/kernel/sched.inl> // scheduler inlines | |
| 70 #include <cyg/kernel/clock.inl> // clock inlines | |
| 71 | |
| 72 #include <cyg/kernel/kapi.h> // C API | |
| 73 | |
| 74 // ------------------------------------------------------------------------- | |
| 75 // Magic new function | |
| 76 | |
| 77 inline void *operator new(size_t size, void *ptr) | |
| 78 { | |
| 79 CYG_CHECK_DATA_PTR( ptr, "Bad pointer" ); | |
| 80 return ptr; | |
| 81 } | |
| 82 | |
| 83 // ------------------------------------------------------------------------- | |
| 84 | |
| 85 #ifdef CYGDBG_USE_ASSERTS | |
| 86 | |
| 87 #define CYG_ASSERT_SIZES(cstruct, cxxstruct) \ | |
| 88 CYG_MACRO_START \ | |
| 89 char *msg = "Size of C struct " #cstruct \ | |
| 90 " != size of C++ struct " #cxxstruct ; \ | |
| 91 CYG_ASSERT( sizeof(cstruct) == sizeof(cxxstruct) , msg ); \ | |
| 92 CYG_MACRO_END | |
| 93 | |
| 94 #else | |
| 95 | |
| 96 #define CYG_ASSERT_SIZES(cstruct, cxxstruct) | |
| 97 | |
| 98 #endif | |
| 99 | |
| 100 /*---------------------------------------------------------------------------*/ | |
| 101 /* Scheduler operations */ | |
| 102 | |
| 103 /* Starts scheduler with created threads. Never returns. */ | |
| 104 externC void cyg_scheduler_start(void) | |
| 105 { | |
| 106 Cyg_Scheduler::start(); | |
| 107 } | |
| 108 | |
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109 /* Lock the scheduler. */ |
| 0 | 110 externC void cyg_scheduler_lock(void) |
| 111 { | |
| 112 Cyg_Scheduler::lock(); | |
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113 // get_sched_lock() is unsigned, see below "cyg_ucount32 lock" |
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114 CYG_ASSERT( (0xff000000 & (Cyg_Scheduler::get_sched_lock())) == 0, |
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115 "Scheduler overlocked" ); |
| 0 | 116 } |
| 117 | |
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118 /* Unlock the scheduler. */ |
| 0 | 119 externC void cyg_scheduler_unlock(void) |
| 120 { | |
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121 cyg_ucount32 slock = Cyg_Scheduler::get_sched_lock(); |
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122 CYG_ASSERT( 0 < slock, "Scheduler not locked" ); |
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123 // And program defensively too: |
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124 if ( 0 < slock ) |
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125 Cyg_Scheduler::unlock(); |
| 0 | 126 } |
| 127 | |
| 128 /*---------------------------------------------------------------------------*/ | |
| 129 /* Thread operations */ | |
| 130 | |
| 131 externC void cyg_thread_create( | |
| 2 | 132 cyg_addrword_t sched_info, /* scheduling info (eg pri) */ |
| 0 | 133 cyg_thread_entry_t *entry, /* entry point function */ |
| 2 | 134 cyg_addrword_t entry_data, /* entry data */ |
| 0 | 135 char *name, /* optional thread name */ |
| 136 void *stack_base, /* stack base, NULL = alloc */ | |
| 137 cyg_ucount32 stack_size, /* stack size, 0 = default */ | |
| 138 cyg_handle_t *handle, /* returned thread handle */ | |
| 139 cyg_thread *thread /* put thread here */ | |
| 140 ) | |
| 141 { | |
| 142 CYG_ASSERT_SIZES( cyg_thread, Cyg_Thread ); | |
| 143 | |
| 144 Cyg_Thread *t = new((void *)thread) Cyg_Thread ( | |
| 145 (CYG_ADDRWORD) sched_info, | |
| 146 (cyg_thread_entry *)entry, | |
| 147 (CYG_ADDRWORD) entry_data, | |
| 148 name, | |
| 2 | 149 (CYG_ADDRWORD) stack_base, |
| 150 stack_size | |
| 0 | 151 ); |
| 152 t=t; | |
| 153 | |
| 154 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" ); | |
| 155 *handle = (cyg_handle_t)thread; | |
| 156 } | |
| 157 | |
| 158 externC void cyg_thread_exit() | |
| 159 { | |
| 160 Cyg_Thread::exit(); | |
| 161 } | |
| 162 | |
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163 externC cyg_bool_t cyg_thread_delete( cyg_handle_t thread ) |
| 2 | 164 { |
| 165 Cyg_Thread *th = (Cyg_Thread *)thread; | |
| 166 if( th->get_state() != Cyg_Thread::EXITED ) | |
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167 th->kill(); // encourage it to terminate |
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168 if( th->get_state() != Cyg_Thread::EXITED ) |
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169 return false; // it didn't run yet, leave it up to the app to fix |
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170 th->~Cyg_Thread(); |
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171 return true; |
| 2 | 172 } |
| 173 | |
| 0 | 174 externC void cyg_thread_suspend(cyg_handle_t thread) |
| 175 { | |
| 176 ((Cyg_Thread *)thread)->suspend(); | |
| 177 } | |
| 178 | |
| 179 externC void cyg_thread_resume(cyg_handle_t thread) | |
| 180 { | |
| 181 Cyg_Thread *th = (Cyg_Thread *)thread; | |
| 182 | |
| 183 // If we are resuming an exited thread then | |
| 184 // reinitialize it. | |
| 185 | |
| 186 if( th->get_state() == Cyg_Thread::EXITED ) | |
| 187 th->reinitialize(); | |
| 188 | |
| 189 th->resume(); | |
| 190 } | |
| 191 | |
| 192 externC void cyg_thread_kill( cyg_handle_t thread) | |
| 193 { | |
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194 ((Cyg_Thread *)thread)->kill(); |
| 0 | 195 } |
| 196 | |
| 2 | 197 externC void cyg_thread_release( cyg_handle_t thread) |
| 198 { | |
| 199 ((Cyg_Thread *)thread)->release(); | |
| 200 } | |
| 201 | |
| 0 | 202 externC void cyg_thread_yield() |
| 203 { | |
| 204 Cyg_Thread::yield(); | |
| 205 } | |
| 206 | |
| 207 externC cyg_handle_t cyg_thread_self() | |
| 208 { | |
| 209 return (cyg_handle_t)Cyg_Thread::self(); | |
| 210 } | |
| 211 | |
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212 // idle thread is not really a plain CygThread; danger. |
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213 externC cyg_handle_t cyg_thread_idle_thread() |
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214 { |
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215 extern Cyg_Thread idle_thread; |
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216 return (cyg_handle_t)&idle_thread; |
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217 } |
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218 |
| 0 | 219 /* Priority manipulation */ |
| 220 externC void cyg_thread_set_priority( | |
| 221 cyg_handle_t thread, cyg_priority_t priority ) | |
| 222 { | |
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223 #ifdef CYGIMP_THREAD_PRIORITY |
| 0 | 224 ((Cyg_Thread *)thread)->set_priority(priority); |
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225 #endif |
| 0 | 226 } |
| 227 | |
| 228 externC cyg_priority_t cyg_thread_get_priority(cyg_handle_t thread) | |
| 229 { | |
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230 #ifdef CYGIMP_THREAD_PRIORITY |
| 0 | 231 return ((Cyg_Thread *)thread)->get_priority(); |
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232 #else |
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233 return 0; |
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234 #endif |
| 0 | 235 } |
| 236 | |
| 237 /* Deadline scheduling control (optional) */ | |
| 238 | |
| 239 externC void cyg_thread_deadline_wait( | |
| 240 cyg_tick_count_t start_time, /* abs earliest start time */ | |
| 241 cyg_tick_count_t run_time, /* worst case execution time */ | |
| 242 cyg_tick_count_t deadline /* absolute deadline */ | |
| 243 ) | |
| 244 { | |
| 245 CYG_ASSERT(0,"Not implemented"); | |
| 246 } | |
| 247 | |
| 248 externC void cyg_thread_delay(cyg_tick_count_t delay) | |
| 249 { | |
| 250 Cyg_Thread::self()->delay(delay); | |
| 251 } | |
| 252 | |
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253 /* Stack information */ |
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254 externC cyg_addrword_t cyg_thread_get_stack_base(cyg_handle_t thread) |
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255 { |
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256 return ((Cyg_Thread *)thread)->get_stack_base(); |
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257 } |
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258 |
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259 externC cyg_uint32 cyg_thread_get_stack_size(cyg_handle_t thread) |
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260 { |
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261 return ((Cyg_Thread *)thread)->get_stack_size(); |
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262 } |
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263 |
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264 |
| 2 | 265 /*---------------------------------------------------------------------------*/ |
| 266 /* Per-thread data */ | |
| 267 | |
| 268 #ifdef CYGVAR_KERNEL_THREADS_DATA | |
| 269 | |
| 270 externC cyg_ucount32 cyg_thread_new_data_index() | |
| 271 { | |
| 272 return Cyg_Thread::new_data_index(); | |
| 273 } | |
| 274 | |
| 275 externC void cyg_thread_free_data_index(cyg_ucount32 index) | |
| 276 { | |
| 277 Cyg_Thread::free_data_index(index); | |
| 278 } | |
| 279 | |
| 280 externC CYG_ADDRWORD cyg_thread_get_data(cyg_ucount32 index) | |
| 281 { | |
| 282 return Cyg_Thread::get_data(index); | |
| 283 } | |
| 284 | |
| 285 externC CYG_ADDRWORD *cyg_thread_get_data_ptr(cyg_ucount32 index) | |
| 286 { | |
| 287 return Cyg_Thread::get_data_ptr(index); | |
| 288 } | |
| 289 | |
| 290 externC void cyg_thread_set_data(cyg_ucount32 index, CYG_ADDRWORD | |
| 291 data) | |
| 292 { | |
| 293 Cyg_Thread::self()->set_data(index, data); | |
| 294 } | |
| 295 #endif | |
| 0 | 296 |
| 297 /*---------------------------------------------------------------------------*/ | |
| 298 /* Exception handling. */ | |
| 299 | |
| 300 #ifdef CYGPKG_KERNEL_EXCEPTIONS | |
| 301 externC void cyg_exception_set_handler( | |
| 302 cyg_code_t exception_number, | |
| 303 cyg_exception_handler_t *new_handler, | |
| 2 | 304 cyg_addrword_t new_data, |
| 0 | 305 cyg_exception_handler_t **old_handler, |
| 2 | 306 cyg_addrword_t *old_data |
| 0 | 307 ) |
| 308 { | |
| 309 Cyg_Thread::register_exception( | |
| 310 exception_number, | |
| 311 (cyg_exception_handler *)new_handler, | |
| 312 (CYG_ADDRWORD)new_data, | |
| 313 (cyg_exception_handler **)old_handler, | |
| 314 (CYG_ADDRWORD *)old_data | |
| 315 ); | |
| 316 } | |
| 317 | |
| 318 /* Clear exception handler to default */ | |
| 319 externC void cyg_exception_clear_handler( | |
| 320 cyg_code_t exception_number | |
| 321 ) | |
| 322 { | |
| 323 Cyg_Thread::deregister_exception( exception_number ); | |
| 324 } | |
| 325 | |
| 326 /* Invoke exception handler */ | |
| 327 externC void cyg_exception_call_handler( | |
| 328 cyg_handle_t thread, | |
| 329 cyg_code_t exception_number, | |
| 2 | 330 cyg_addrword_t error_code |
| 0 | 331 ) |
| 332 { | |
| 333 Cyg_Thread *t = (Cyg_Thread *)thread; | |
| 334 | |
| 335 t->deliver_exception( exception_number, error_code ); | |
| 336 } | |
| 337 #endif | |
| 338 | |
| 339 /*---------------------------------------------------------------------------*/ | |
| 340 /* Interrupt handling */ | |
| 341 | |
| 342 externC void cyg_interrupt_create( | |
| 343 cyg_vector_t vector, /* Vector to attach to */ | |
| 344 cyg_priority_t priority, /* Queue priority */ | |
| 2 | 345 cyg_addrword_t data, /* Data pointer */ |
| 0 | 346 cyg_ISR_t *isr, /* Interrupt Service Routine */ |
| 347 cyg_DSR_t *dsr, /* Deferred Service Routine */ | |
| 348 cyg_handle_t *handle, /* returned handle */ | |
| 349 cyg_interrupt *intr /* put interrupt here */ | |
| 350 ) | |
| 351 { | |
| 352 CYG_ASSERT_SIZES( cyg_interrupt, Cyg_Interrupt ); | |
| 353 | |
| 354 Cyg_Interrupt *t = new((void *)intr) Cyg_Interrupt ( | |
| 355 (cyg_vector)vector, | |
| 356 (cyg_priority)priority, | |
| 357 (CYG_ADDRWORD)data, | |
| 358 (cyg_ISR *)isr, | |
| 359 (cyg_DSR *)dsr ); | |
| 360 t=t; | |
| 361 | |
| 362 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" ); | |
| 363 *handle = (cyg_handle_t)intr; | |
| 364 } | |
| 365 | |
| 366 externC void cyg_interrupt_delete( cyg_handle_t interrupt) | |
| 367 { | |
| 368 ((Cyg_Interrupt *)interrupt)->~Cyg_Interrupt(); | |
| 369 } | |
| 370 | |
| 371 void cyg_interrupt_attach( cyg_handle_t interrupt ) | |
| 372 { | |
| 373 ((Cyg_Interrupt *)interrupt)->attach(); | |
| 374 } | |
| 375 | |
| 376 void cyg_interrupt_detach( cyg_handle_t interrupt ) | |
| 377 { | |
| 378 ((Cyg_Interrupt *)interrupt)->detach(); | |
| 379 } | |
| 380 | |
| 381 /* VSR manipulation */ | |
| 382 | |
| 383 externC void cyg_interrupt_get_vsr( | |
| 384 cyg_vector_t vector, /* vector to get */ | |
| 385 cyg_VSR_t **vsr /* vsr got */ | |
| 386 ) | |
| 387 { | |
| 388 Cyg_Interrupt::get_vsr( (cyg_vector)vector, (cyg_VSR **)vsr); | |
| 389 } | |
| 390 | |
| 391 externC void cyg_interrupt_set_vsr( | |
| 392 cyg_vector_t vector, /* vector to set */ | |
| 393 cyg_VSR_t *vsr /* vsr to set */ | |
| 394 ) | |
| 395 { | |
| 396 Cyg_Interrupt::set_vsr( (cyg_vector)vector, (cyg_VSR *)vsr); | |
| 397 } | |
| 398 | |
| 399 /* CPU level interrupt mask */ | |
| 400 externC void cyg_interrupt_disable() | |
| 401 { | |
| 402 Cyg_Interrupt::disable_interrupts(); | |
| 403 } | |
| 404 | |
| 405 externC void cyg_interrupt_enable() | |
| 406 { | |
| 407 Cyg_Interrupt::enable_interrupts(); | |
| 408 } | |
| 409 | |
| 410 /* Interrupt controller access */ | |
| 411 externC void cyg_interrupt_mask(cyg_vector_t vector) | |
| 412 { | |
| 413 Cyg_Interrupt::mask_interrupt( (cyg_vector)vector); | |
| 414 } | |
| 415 | |
| 416 externC void cyg_interrupt_unmask(cyg_vector_t vector) | |
| 417 { | |
| 418 Cyg_Interrupt::unmask_interrupt( (cyg_vector)vector); | |
| 419 } | |
| 420 | |
| 421 | |
| 422 externC void cyg_interrupt_acknowledge(cyg_vector_t vector) | |
| 423 { | |
| 424 Cyg_Interrupt::acknowledge_interrupt( (cyg_vector)vector); | |
| 425 } | |
| 426 | |
| 427 | |
| 428 externC void cyg_interrupt_configure( | |
| 429 cyg_vector_t vector, /* vector to configure */ | |
| 430 cyg_bool_t level, /* level or edge triggered */ | |
| 431 cyg_bool_t up /* rising/faling edge, high/low level*/ | |
| 432 ) | |
| 433 { | |
| 434 Cyg_Interrupt::configure_interrupt( (cyg_vector)vector, level, up ); | |
| 435 } | |
| 436 | |
| 437 | |
| 438 /*---------------------------------------------------------------------------*/ | |
| 439 /* Counters, Clocks and Alarms */ | |
| 440 | |
| 441 externC void cyg_counter_create( | |
| 442 cyg_handle_t *handle, /* returned counter handle */ | |
| 443 cyg_counter *counter /* put counter here */ | |
| 444 ) | |
| 445 { | |
| 446 CYG_ASSERT_SIZES( cyg_counter, Cyg_Counter ); | |
| 447 | |
| 448 Cyg_Counter *t = new((void *)counter) Cyg_Counter (); | |
| 449 t=t; | |
| 450 | |
| 451 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" ); | |
| 452 *handle = (cyg_handle_t)counter; | |
| 453 } | |
| 454 | |
| 455 externC void cyg_counter_delete(cyg_handle_t counter) | |
| 456 { | |
| 457 ((Cyg_Counter *)counter)->~Cyg_Counter(); | |
| 458 } | |
| 459 | |
| 460 /* Return current value of counter */ | |
| 461 externC cyg_tick_count_t cyg_counter_current_value(cyg_handle_t counter) | |
| 462 { | |
| 463 return ((Cyg_Counter *)counter)->current_value(); | |
| 464 } | |
| 465 | |
| 466 /* Set new current value */ | |
| 467 externC void cyg_counter_set_value( | |
| 468 cyg_handle_t counter, | |
| 469 cyg_tick_count_t new_value | |
| 470 ) | |
| 471 { | |
| 472 ((Cyg_Counter *)counter)->set_value( new_value ); | |
| 473 } | |
| 474 | |
| 475 /* Advance counter by one tick */ | |
| 476 externC void cyg_counter_tick(cyg_handle_t counter) | |
| 477 { | |
| 478 ((Cyg_Counter *)counter)->tick(); | |
| 479 } | |
| 480 | |
| 481 /* Create a clock object */ | |
| 482 externC void cyg_clock_create( | |
| 483 cyg_resolution_t resolution, /* Initial resolution */ | |
| 484 cyg_handle_t *handle, /* Returned clock handle */ | |
| 485 cyg_clock *clock /* put clock here */ | |
| 486 ) | |
| 487 { | |
| 488 CYG_ASSERT_SIZES( cyg_clock, Cyg_Clock ); | |
| 489 | |
| 490 Cyg_Clock::cyg_resolution res; | |
| 491 | |
| 492 res.dividend = resolution.dividend; | |
| 493 res.divisor = resolution.divisor; | |
| 494 | |
| 495 Cyg_Clock *t = new((void *)clock) Cyg_Clock ( res ); | |
| 496 t=t; | |
| 497 | |
| 498 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" ); | |
| 499 *handle = (cyg_handle_t)clock; | |
| 500 } | |
| 501 | |
| 502 externC void cyg_clock_delete(cyg_handle_t clock) | |
| 503 { | |
| 504 ((Cyg_Clock *)clock)->~Cyg_Clock(); | |
| 505 } | |
| 506 | |
| 507 /* convert a clock handle to a counter handle so we can use the */ | |
| 508 /* counter API on it. */ | |
| 509 externC void cyg_clock_to_counter( | |
| 510 cyg_handle_t clock, | |
| 511 cyg_handle_t *counter | |
| 512 ) | |
| 513 { | |
| 514 CYG_CHECK_DATA_PTR( counter, "Bad counter handle pointer" ); | |
| 515 *counter = (cyg_handle_t)(Cyg_Counter *)clock; | |
| 516 } | |
| 517 | |
| 518 externC void cyg_clock_set_resolution( | |
| 519 cyg_handle_t clock, | |
| 520 cyg_resolution_t resolution /* New resolution */ | |
| 521 ) | |
| 522 { | |
| 523 Cyg_Clock::cyg_resolution res; | |
| 524 | |
| 525 res.dividend = resolution.dividend; | |
| 526 res.divisor = resolution.divisor; | |
| 527 | |
| 528 ((Cyg_Clock *)clock)->set_resolution( res ); | |
| 529 } | |
| 530 | |
| 531 externC cyg_resolution_t cyg_clock_get_resolution(cyg_handle_t clock) | |
| 532 { | |
| 533 Cyg_Clock::cyg_resolution res = | |
| 534 ((Cyg_Clock *)clock)->get_resolution(); | |
| 535 | |
| 536 cyg_resolution_t resolution; | |
| 537 | |
| 538 resolution.dividend = res.dividend; | |
| 539 resolution.divisor = res.divisor; | |
| 540 | |
| 541 return resolution; | |
| 542 } | |
| 543 | |
| 544 #ifdef CYGVAR_KERNEL_COUNTERS_CLOCK | |
| 545 externC cyg_handle_t cyg_real_time_clock(void) | |
| 546 { | |
| 547 return (cyg_handle_t)Cyg_Clock::real_time_clock; | |
| 548 } | |
| 549 | |
| 550 externC cyg_tick_count_t cyg_current_time(void) | |
| 551 { | |
| 552 return Cyg_Clock::real_time_clock->current_value(); | |
| 553 } | |
| 554 #endif | |
| 555 | |
| 556 externC void cyg_alarm_create( | |
| 557 cyg_handle_t counter, /* Attached to this counter */ | |
| 558 cyg_alarm_t *alarmfn, /* Call-back function */ | |
| 2 | 559 cyg_addrword_t data, /* Call-back data */ |
| 0 | 560 cyg_handle_t *handle, /* Returned alarm object */ |
| 561 cyg_alarm *alarm /* put alarm here */ | |
| 562 ) | |
| 563 { | |
| 564 CYG_ASSERT_SIZES( cyg_alarm, Cyg_Alarm ); | |
| 565 | |
| 566 Cyg_Alarm *t = new((void *)alarm) Cyg_Alarm ( | |
| 567 (Cyg_Counter *)counter, | |
| 2 | 568 (cyg_alarm_fn *)alarmfn, |
| 569 (CYG_ADDRWORD)data | |
| 0 | 570 ); |
| 571 t=t; | |
| 572 | |
| 573 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" ); | |
| 574 *handle = (cyg_handle_t)alarm; | |
| 575 } | |
| 576 | |
| 577 /* Disable alarm, detach from counter and invalidate handles */ | |
| 578 externC void cyg_alarm_delete( cyg_handle_t alarm) | |
| 579 { | |
| 580 ((Cyg_Alarm *)alarm)->~Cyg_Alarm(); | |
| 581 } | |
| 582 | |
| 583 externC void cyg_alarm_initialize( | |
| 584 cyg_handle_t alarm, | |
| 585 cyg_tick_count_t trigger, /* Absolute trigger time */ | |
| 586 cyg_tick_count_t interval /* Relative retrigger interval */ | |
| 587 ) | |
| 588 { | |
| 589 ((Cyg_Alarm *)alarm)->initialize( | |
| 2 | 590 (cyg_tick_count)trigger, |
| 591 (cyg_tick_count)interval); | |
| 0 | 592 } |
| 593 | |
| 594 externC void cyg_alarm_enable( cyg_handle_t alarm ) | |
| 595 { | |
| 596 ((Cyg_Alarm *)alarm)->enable(); | |
| 597 } | |
| 598 | |
| 599 externC void cyg_alarm_disable( cyg_handle_t alarm ) | |
| 600 { | |
| 601 ((Cyg_Alarm *)alarm)->disable(); | |
| 602 } | |
| 603 | |
| 604 /*---------------------------------------------------------------------------*/ | |
| 605 /* Mail boxes */ | |
| 606 | |
| 607 externC void cyg_mbox_create( | |
| 608 cyg_handle_t *handle, | |
| 609 cyg_mbox *mbox | |
| 610 ) | |
| 611 { | |
| 612 CYG_ASSERT_SIZES( cyg_mbox, Cyg_Mbox ); | |
| 613 | |
| 614 Cyg_Mbox *t = new((void *)mbox) Cyg_Mbox(); | |
| 615 t=t; | |
| 616 | |
| 617 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" ); | |
| 618 *handle = (cyg_handle_t)mbox; | |
| 619 } | |
| 620 | |
| 621 externC void cyg_mbox_delete(cyg_handle_t mbox) | |
| 622 { | |
| 623 ((Cyg_Mbox *)mbox)->~Cyg_Mbox(); | |
| 624 } | |
| 625 | |
| 626 externC void *cyg_mbox_get(cyg_handle_t mbox) | |
| 627 { | |
| 628 return ((Cyg_Mbox *)mbox)->get(); | |
| 629 } | |
| 630 | |
| 631 #ifdef CYGFUN_KERNEL_THREADS_TIMER | |
| 632 void *cyg_mbox_timed_get( | |
| 633 cyg_handle_t mbox, | |
| 634 cyg_tick_count_t abstime | |
| 635 ) | |
| 636 { | |
| 637 return ((Cyg_Mbox *)mbox)->get(abstime); | |
| 638 } | |
| 639 #endif | |
| 640 | |
| 641 externC void *cyg_mbox_tryget(cyg_handle_t mbox) | |
| 642 { | |
| 643 return ((Cyg_Mbox *)mbox)->tryget(); | |
| 644 } | |
| 645 | |
| 646 externC void *cyg_mbox_peek_item(cyg_handle_t mbox) | |
| 647 { | |
| 648 return ((Cyg_Mbox *)mbox)->peek_item(); | |
| 649 } | |
| 650 | |
| 651 #ifdef CYGMFN_KERNEL_SYNCH_MBOXT_PUT_CAN_WAIT | |
| 652 externC cyg_bool_t cyg_mbox_put(cyg_handle_t mbox, void *item) | |
| 653 { | |
| 654 return ((Cyg_Mbox *)mbox)->put(item); | |
| 655 } | |
| 656 | |
| 657 #ifdef CYGFUN_KERNEL_THREADS_TIMER | |
| 658 externC cyg_bool_t cyg_mbox_timed_put( | |
| 659 cyg_handle_t mbox, | |
| 660 void *item, | |
| 661 cyg_tick_count_t abstime | |
| 662 ) | |
| 663 { | |
| 664 return ((Cyg_Mbox *)mbox)->put(item, abstime); | |
| 665 } | |
| 666 #endif | |
| 667 #endif | |
| 668 | |
| 669 externC cyg_bool_t cyg_mbox_tryput(cyg_handle_t mbox, void *item) | |
| 670 { | |
| 671 return ((Cyg_Mbox *)mbox)->tryput(item); | |
| 672 } | |
| 673 | |
| 674 externC cyg_count32 cyg_mbox_peek(cyg_handle_t mbox) | |
| 675 { | |
| 676 return ((Cyg_Mbox *)mbox)->peek(); | |
| 677 } | |
| 678 | |
| 679 externC cyg_bool_t cyg_mbox_waiting_to_get(cyg_handle_t mbox) | |
| 680 { | |
| 681 return ((Cyg_Mbox *)mbox)->waiting_to_get(); | |
| 682 } | |
| 683 | |
| 684 externC cyg_bool_t cyg_mbox_waiting_to_put(cyg_handle_t mbox) | |
| 685 { | |
| 686 return ((Cyg_Mbox *)mbox)->waiting_to_put(); | |
| 687 } | |
| 688 | |
| 689 | |
| 690 /*-----------------------------------------------------------------------*/ | |
| 691 /* Memory pools */ | |
| 692 | |
| 693 /* Create a variable size memory pool */ | |
| 694 externC void cyg_mempool_var_create( | |
| 695 void *base, /* base of memory to use for pool */ | |
| 696 cyg_int32 size, /* size of memory in bytes */ | |
| 697 cyg_handle_t *handle, /* returned handle of memory pool */ | |
| 698 cyg_mempool_var *var /* space to put pool structure in */ | |
| 699 ) | |
| 700 { | |
| 701 CYG_ASSERT_SIZES( cyg_mempool_var, Cyg_Mempool_Variable ); | |
| 702 | |
| 703 Cyg_Mempool_Variable *t = new((void *)var) Cyg_Mempool_Variable ( | |
| 704 (cyg_uint8 *)base, | |
| 2 | 705 size |
| 0 | 706 ); |
| 707 t=t; | |
| 708 | |
| 709 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" ); | |
| 710 *handle = (cyg_handle_t)var; | |
| 711 } | |
| 712 | |
| 713 /* Delete variable size memory pool */ | |
| 714 externC void cyg_mempool_var_delete(cyg_handle_t varpool) | |
| 715 { | |
| 716 ((Cyg_Mempool_Variable *)varpool)->~Cyg_Mempool_Variable(); | |
| 717 } | |
| 718 | |
| 719 /* Allocates a block of length size. This waits if the memory is not | |
| 720 currently available. */ | |
| 721 externC void *cyg_mempool_var_alloc(cyg_handle_t varpool, cyg_int32 size) | |
| 722 { | |
| 723 return ((Cyg_Mempool_Variable *)varpool)->alloc(size); | |
| 724 } | |
| 725 | |
| 726 #ifdef CYGFUN_KERNEL_THREADS_TIMER | |
| 727 | |
| 728 /* Allocates a block of length size. This waits for up to delay | |
| 729 ticks, if the memory is not already available. NULL is returned if | |
| 730 no memory is available. */ | |
| 731 externC void *cyg_mempool_var_timed_alloc( | |
| 732 cyg_handle_t varpool, | |
| 733 cyg_int32 size, | |
| 734 cyg_tick_count_t abstime) | |
| 735 { | |
| 736 return ((Cyg_Mempool_Variable *)varpool)->alloc(size, abstime); | |
| 737 } | |
| 738 | |
| 739 #endif | |
| 740 | |
| 741 /* Allocates a block of length size. NULL is returned if no memory is | |
| 742 available. */ | |
| 743 externC void *cyg_mempool_var_try_alloc( | |
| 744 cyg_handle_t varpool, | |
| 745 cyg_int32 size) | |
| 746 { | |
| 747 return ((Cyg_Mempool_Variable *)varpool)->try_alloc(size); | |
| 748 } | |
| 749 | |
| 750 /* Frees memory back into variable size pool. */ | |
| 751 externC void cyg_mempool_var_free(cyg_handle_t varpool, void *p) | |
| 752 { | |
| 753 cyg_bool b; | |
| 754 b = ((Cyg_Mempool_Variable *)varpool)->free((cyg_uint8 *)p, 0); | |
| 755 CYG_ASSERT( b, "Bad free"); | |
| 756 } | |
| 757 | |
| 758 | |
| 759 /* Returns true if there are any threads waiting for memory in the | |
| 760 given memory pool. */ | |
| 761 externC cyg_bool_t cyg_mempool_var_waiting(cyg_handle_t varpool) | |
| 762 { | |
| 763 return ((Cyg_Mempool_Variable *)varpool)->waiting(); | |
| 764 } | |
| 765 | |
| 766 /* Puts information about a variable memory pool into the structure | |
| 767 provided. */ | |
| 768 externC void cyg_mempool_var_get_info( | |
| 769 cyg_handle_t varpool, | |
| 770 cyg_mempool_info *info) | |
| 771 { | |
| 772 Cyg_Mempool_Variable *v = (Cyg_Mempool_Variable *)varpool; | |
| 773 cyg_uint8 *base; | |
| 774 CYG_ADDRWORD maxfree; | |
| 775 | |
| 776 info->totalmem = v->get_totalmem(); | |
| 777 info->freemem = v->get_freemem(); | |
| 778 v->get_arena(base, info->size, maxfree); | |
| 779 info->base = (void *)base; | |
| 780 info->blocksize = -1; | |
| 781 info->maxfree = maxfree; | |
| 782 } | |
| 783 | |
| 784 | |
| 785 /* Create a fixed size memory pool */ | |
| 786 externC void cyg_mempool_fix_create( | |
| 787 void *base, // base of memory to use for pool | |
| 788 cyg_int32 size, // size of memory in byte | |
| 789 cyg_int32 blocksize, // size of allocation in bytes | |
| 790 cyg_handle_t *handle, // handle of memory pool | |
| 791 cyg_mempool_fix *fix // space to put pool structure in | |
| 792 ) | |
| 793 { | |
| 794 CYG_ASSERT_SIZES( cyg_mempool_fix, Cyg_Mempool_Fixed ); | |
| 795 | |
| 796 Cyg_Mempool_Fixed *t = new((void *)fix) Cyg_Mempool_Fixed ( | |
| 797 (cyg_uint8 *)base, | |
| 2 | 798 size, |
| 0 | 799 blocksize |
| 800 ); | |
| 801 t=t; | |
| 802 | |
| 803 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" ); | |
| 804 *handle = (cyg_handle_t)fix; | |
| 805 } | |
| 806 | |
| 807 /* Delete fixed size memory pool */ | |
| 808 externC void cyg_mempool_fix_delete(cyg_handle_t fixpool) | |
| 809 { | |
| 810 ((Cyg_Mempool_Fixed *)fixpool)->~Cyg_Mempool_Fixed(); | |
| 811 } | |
| 812 | |
| 813 /* Allocates a block. This waits if the memory is not | |
| 814 currently available. */ | |
| 815 externC void *cyg_mempool_fix_alloc(cyg_handle_t fixpool) | |
| 816 { | |
| 817 return ((Cyg_Mempool_Fixed *)fixpool)->alloc(); | |
| 818 } | |
| 819 | |
| 820 #ifdef CYGFUN_KERNEL_THREADS_TIMER | |
| 821 | |
| 822 /* Allocates a block. This waits for up to delay ticks, if the memory | |
| 823 is not already available. NULL is returned if no memory is | |
| 824 available. */ | |
| 825 externC void *cyg_mempool_fix_timed_alloc( | |
| 826 cyg_handle_t fixpool, | |
| 827 cyg_tick_count_t abstime) | |
| 828 { | |
| 829 return ((Cyg_Mempool_Fixed *)fixpool)->alloc(abstime); | |
| 830 } | |
| 831 | |
| 832 #endif | |
| 833 | |
| 834 /* Allocates a block. NULL is returned if no memory is available. */ | |
| 835 externC void *cyg_mempool_fix_try_alloc(cyg_handle_t fixpool) | |
| 836 { | |
| 837 return ((Cyg_Mempool_Fixed *)fixpool)->try_alloc(); | |
| 838 } | |
| 839 | |
| 840 /* Frees memory back into fixed size pool. */ | |
| 841 externC void cyg_mempool_fix_free(cyg_handle_t fixpool, void *p) | |
| 842 { | |
| 843 cyg_bool b; | |
| 844 b = ((Cyg_Mempool_Fixed *)fixpool)->free((cyg_uint8 *)p); | |
| 845 CYG_ASSERT( b, "Bad free"); | |
| 846 } | |
| 847 | |
| 848 /* Returns true if there are any threads waiting for memory in the | |
| 849 given memory pool. */ | |
| 850 externC cyg_bool_t cyg_mempool_fix_waiting(cyg_handle_t fixpool) | |
| 851 { | |
| 852 return ((Cyg_Mempool_Fixed *)fixpool)->waiting(); | |
| 853 } | |
| 854 | |
| 855 /* Puts information about a variable memory pool into the structure | |
| 856 provided. */ | |
| 857 externC void cyg_mempool_fix_get_info( | |
| 858 cyg_handle_t fixpool, | |
| 859 cyg_mempool_info *info) | |
| 860 { | |
| 861 Cyg_Mempool_Fixed *f = (Cyg_Mempool_Fixed *)fixpool; | |
| 862 cyg_uint8 *base; | |
| 863 cyg_addrword_t blocksize; | |
| 864 | |
| 865 info->totalmem = f->get_totalmem(); | |
| 866 info->freemem = f->get_freemem(); | |
| 867 f->get_arena(base, info->size, blocksize); | |
| 868 info->base = (void *)base; | |
| 869 info->maxfree = info->blocksize = (cyg_int32)blocksize; | |
| 870 } | |
| 871 | |
| 872 /*---------------------------------------------------------------------------*/ | |
| 873 /* Semaphores */ | |
| 874 | |
| 875 externC void cyg_semaphore_init( | |
| 876 cyg_sem_t *sem, /* Semaphore to init */ | |
| 2 | 877 cyg_count32 val /* Initial semaphore value */ |
| 0 | 878 ) |
| 879 { | |
| 880 CYG_ASSERT_SIZES( cyg_sem_t, Cyg_Counting_Semaphore ); | |
| 881 | |
| 882 Cyg_Counting_Semaphore *t = new((void *)sem) Cyg_Counting_Semaphore(val); | |
| 883 t=t; | |
| 884 } | |
| 885 | |
| 886 externC void cyg_semaphore_destroy( cyg_sem_t *sem ) | |
| 887 { | |
| 888 ((Cyg_Counting_Semaphore *)sem)->~Cyg_Counting_Semaphore(); | |
| 889 } | |
| 890 | |
| 891 externC void cyg_semaphore_wait( cyg_sem_t *sem ) | |
| 892 { | |
| 893 ((Cyg_Counting_Semaphore *)sem)->wait(); | |
| 894 } | |
| 895 | |
| 896 #ifdef CYGFUN_KERNEL_THREADS_TIMER | |
| 897 externC cyg_bool_t cyg_semaphore_timed_wait( | |
| 898 cyg_sem_t *sem, | |
| 899 cyg_tick_count_t abstime | |
| 900 ) | |
| 901 { | |
| 902 return ((Cyg_Counting_Semaphore *)sem)->wait(abstime); | |
| 903 } | |
| 904 #endif | |
| 905 | |
| 906 | |
| 907 externC int cyg_semaphore_trywait( cyg_sem_t *sem ) | |
| 908 { | |
| 909 return ((Cyg_Counting_Semaphore *)sem)->trywait(); | |
| 910 } | |
| 911 | |
| 912 externC void cyg_semaphore_post( cyg_sem_t *sem ) | |
| 913 { | |
| 914 ((Cyg_Counting_Semaphore *)sem)->post(); | |
| 915 } | |
| 916 | |
| 2 | 917 externC void cyg_semaphore_peek( cyg_sem_t *sem, cyg_count32 *val ) |
| 0 | 918 { |
| 919 CYG_CHECK_DATA_PTR( val, "Bad val parameter" ); | |
| 920 | |
| 921 *val = ((Cyg_Counting_Semaphore *)sem)->peek(); | |
| 922 } | |
| 923 | |
| 924 | |
| 925 /*---------------------------------------------------------------------------*/ | |
| 926 /* Flags */ | |
| 927 | |
| 928 void cyg_flag_init( | |
| 929 cyg_flag_t *flag /* Flag to init */ | |
| 930 ) | |
| 931 { | |
| 932 CYG_ASSERT_SIZES( cyg_flag_t, Cyg_Flag ); | |
| 933 CYG_ASSERT( | |
| 934 ( Cyg_Flag::AND == CYG_FLAG_WAITMODE_AND ) && | |
| 935 ( Cyg_Flag::OR == CYG_FLAG_WAITMODE_OR ) && | |
| 936 ( Cyg_Flag::CLR == CYG_FLAG_WAITMODE_CLR ), | |
| 937 "CYG_FLAG_WAITMODE_xxx definition != C++ Cyg_Flag::xxx" ); | |
| 938 | |
| 939 Cyg_Flag *t = new((void *)flag) Cyg_Flag(); | |
| 940 t=t; | |
| 941 } | |
| 942 | |
| 943 void cyg_flag_destroy( cyg_flag_t *flag ) | |
| 944 { | |
| 945 ((Cyg_Flag *)flag)->~Cyg_Flag(); | |
| 946 } | |
| 947 | |
| 948 void cyg_flag_setbits( cyg_flag_t *flag, cyg_flag_value_t value) | |
| 949 { | |
| 950 ((Cyg_Flag *)flag)->setbits( value ); | |
| 951 } | |
| 952 | |
| 953 void cyg_flag_maskbits( cyg_flag_t *flag, cyg_flag_value_t value) | |
| 954 { | |
| 955 ((Cyg_Flag *)flag)->maskbits( value ); | |
| 956 } | |
| 957 | |
| 958 cyg_flag_value_t cyg_flag_wait( cyg_flag_t *flag, | |
| 959 cyg_flag_value_t pattern, | |
| 960 cyg_flag_mode_t mode ) | |
| 961 { | |
| 962 if ( 0 == pattern || 0 != (mode & ~3) ) | |
| 963 return 0; | |
| 964 return ((Cyg_Flag *)flag)->wait( pattern, mode ); | |
| 965 | |
| 966 } | |
| 967 | |
| 968 #ifdef CYGFUN_KERNEL_THREADS_TIMER | |
| 969 cyg_flag_value_t cyg_flag_timed_wait( cyg_flag_t *flag, | |
| 970 cyg_flag_value_t pattern, | |
| 971 cyg_flag_mode_t mode, | |
| 972 cyg_tick_count_t abstime ) | |
| 973 { | |
| 974 if ( 0 == pattern || 0 != (mode & ~3) ) | |
| 975 return 0; | |
| 976 return ((Cyg_Flag *)flag)->wait( pattern, mode, abstime ); | |
| 977 | |
| 978 } | |
| 979 #endif | |
| 980 | |
| 981 cyg_flag_value_t cyg_flag_poll( cyg_flag_t *flag, | |
| 982 cyg_flag_value_t pattern, | |
| 983 cyg_flag_mode_t mode ) | |
| 984 { | |
| 985 if ( 0 == pattern || 0 != (mode & ~3) ) | |
| 986 return 0; | |
| 987 return ((Cyg_Flag *)flag)->poll( pattern, mode ); | |
| 988 | |
| 989 } | |
| 990 | |
| 991 cyg_flag_value_t cyg_flag_peek( cyg_flag_t *flag ) | |
| 992 { | |
| 993 return ((Cyg_Flag *)flag)->peek(); | |
| 994 } | |
| 995 | |
| 996 cyg_bool_t cyg_flag_waiting( cyg_flag_t *flag ) | |
| 997 { | |
| 998 return ((Cyg_Flag *)flag)->waiting(); | |
| 999 } | |
| 1000 | |
| 1001 /*---------------------------------------------------------------------------*/ | |
| 1002 /* Mutex */ | |
| 1003 | |
| 1004 externC void cyg_mutex_init( | |
| 1005 cyg_mutex_t *mutex /* Mutex to init */ | |
| 1006 ) | |
| 1007 { | |
| 1008 CYG_ASSERT_SIZES( cyg_mutex_t, Cyg_Mutex ); | |
| 1009 | |
| 1010 Cyg_Mutex *m = new((void *)mutex) Cyg_Mutex; | |
| 1011 | |
| 1012 m=m; | |
| 1013 } | |
| 1014 | |
| 1015 externC void cyg_mutex_destroy( cyg_mutex_t *mutex ) | |
| 1016 { | |
|
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1017 ((Cyg_Mutex *)mutex)->~Cyg_Mutex(); |
| 0 | 1018 } |
| 1019 | |
| 2 | 1020 externC cyg_bool_t cyg_mutex_lock( cyg_mutex_t *mutex ) |
| 0 | 1021 { |
| 2 | 1022 return ((Cyg_Mutex *)mutex)->lock(); |
| 0 | 1023 } |
| 1024 | |
| 1025 externC cyg_bool_t cyg_mutex_trylock( cyg_mutex_t *mutex ) | |
| 1026 { | |
| 1027 return ((Cyg_Mutex *)mutex)->trylock(); | |
| 1028 } | |
| 1029 | |
| 1030 externC void cyg_mutex_unlock( cyg_mutex_t *mutex ) | |
| 1031 { | |
| 1032 ((Cyg_Mutex *)mutex)->unlock(); | |
| 1033 } | |
| 1034 | |
| 2 | 1035 externC void cyg_mutex_release( cyg_mutex_t *mutex ) |
| 1036 { | |
| 1037 ((Cyg_Mutex *)mutex)->release(); | |
| 1038 } | |
| 1039 | |
| 0 | 1040 /*---------------------------------------------------------------------------*/ |
| 1041 /* Condition Variables */ | |
| 1042 | |
| 1043 externC void cyg_cond_init( | |
| 1044 cyg_cond_t *cond, /* condition variable to init */ | |
| 1045 cyg_mutex_t *mutex /* associated mutex */ | |
| 1046 ) | |
| 1047 { | |
| 1048 CYG_ASSERT_SIZES( cyg_cond_t, Cyg_Condition_Variable ); | |
| 1049 | |
| 1050 Cyg_Condition_Variable *t = new((void *)cond) Cyg_Condition_Variable( | |
| 1051 *(Cyg_Mutex *)mutex); | |
| 1052 t=t; | |
| 1053 } | |
| 1054 | |
| 1055 externC void cyg_cond_destroy( cyg_cond_t *cond ) | |
| 1056 { | |
|
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1057 ((Cyg_Condition_Variable *)cond)->~Cyg_Condition_Variable(); |
| 0 | 1058 } |
| 1059 | |
| 1060 externC void cyg_cond_wait( cyg_cond_t *cond ) | |
| 1061 { | |
| 1062 ((Cyg_Condition_Variable *)cond)->wait(); | |
| 1063 } | |
| 1064 | |
| 1065 externC void cyg_cond_signal( cyg_cond_t *cond ) | |
| 1066 { | |
| 1067 ((Cyg_Condition_Variable *)cond)->signal(); | |
| 1068 } | |
| 1069 | |
| 1070 externC void cyg_cond_broadcast( cyg_cond_t *cond ) | |
| 1071 { | |
| 1072 ((Cyg_Condition_Variable *)cond)->broadcast(); | |
| 1073 } | |
| 1074 | |
| 1075 #ifdef CYGMFN_KERNEL_SYNCH_CONDVAR_TIMED_WAIT | |
| 1076 externC cyg_bool_t cyg_cond_timed_wait( | |
| 1077 cyg_cond_t *cond, | |
| 1078 cyg_tick_count_t abstime | |
| 1079 ) | |
| 1080 { | |
| 1081 return ((Cyg_Condition_Variable *)cond)->wait(abstime); | |
| 1082 } | |
| 1083 | |
| 1084 #endif | |
| 1085 | |
| 1086 // ------------------------------------------------------------------------- | |
| 1087 // Check structure sizes. | |
| 1088 // This class and constructor get run automatically in debug versions | |
| 1089 // of the kernel and check that the structures configured in the C | |
| 1090 // code are the same size as the C++ classes they should match. | |
| 1091 | |
| 1092 #ifdef CYGPKG_INFRA_DEBUG | |
| 1093 | |
| 1094 class Cyg_Check_Structure_Sizes | |
| 1095 { | |
| 1096 int dummy; | |
| 1097 public: | |
| 1098 Cyg_Check_Structure_Sizes( int x ); | |
| 1099 | |
| 1100 }; | |
| 1101 | |
| 1102 #define CYG_CHECK_SIZES(cstruct, cxxstruct) \ | |
| 1103 if( sizeof(cstruct) != sizeof(cxxstruct) ) \ | |
| 1104 { \ | |
| 1105 char *fmt = "Size of C struct " #cstruct \ | |
| 1106 " != size of C++ struct " #cxxstruct ; \ | |
| 1107 CYG_TRACE2(1, fmt, sizeof(cstruct) , sizeof(cxxstruct) ); \ | |
| 1108 fail = true; \ | |
| 1109 fmt = fmt; \ | |
| 1110 } | |
| 1111 | |
| 1112 Cyg_Check_Structure_Sizes::Cyg_Check_Structure_Sizes(int x) | |
| 1113 { | |
| 1114 cyg_bool fail = false; | |
| 1115 | |
| 1116 dummy = x+1; | |
| 1117 | |
| 1118 CYG_CHECK_SIZES( cyg_thread, Cyg_Thread ); | |
| 1119 CYG_CHECK_SIZES( cyg_interrupt, Cyg_Interrupt ); | |
| 1120 CYG_CHECK_SIZES( cyg_counter, Cyg_Counter ); | |
| 1121 CYG_CHECK_SIZES( cyg_clock, Cyg_Clock ); | |
| 1122 CYG_CHECK_SIZES( cyg_alarm, Cyg_Alarm ); | |
| 1123 CYG_CHECK_SIZES( cyg_mbox, Cyg_Mbox ); | |
| 1124 CYG_CHECK_SIZES( cyg_mempool_var, Cyg_Mempool_Variable ); | |
| 1125 CYG_CHECK_SIZES( cyg_mempool_fix, Cyg_Mempool_Fixed ); | |
| 1126 CYG_CHECK_SIZES( cyg_sem_t, Cyg_Counting_Semaphore ); | |
| 1127 CYG_CHECK_SIZES( cyg_flag_t, Cyg_Flag ); | |
| 1128 CYG_CHECK_SIZES( cyg_mutex_t, Cyg_Mutex ); | |
| 1129 CYG_CHECK_SIZES( cyg_cond_t, Cyg_Condition_Variable ); | |
| 1130 | |
| 1131 CYG_ASSERT( !fail, "Size checks failed"); | |
| 1132 } | |
| 1133 | |
| 1134 Cyg_Check_Structure_Sizes check_structure_sizes(1); | |
| 1135 | |
| 1136 #endif | |
| 1137 | |
| 1138 | |
| 1139 // ------------------------------------------------------------------------- | |
| 1140 | |
| 1141 #endif | |
| 1142 // EOF common/kapi.cxx |