Mercurial > flash_v2
annotate packages/kernel/current/src/common/kapi.cxx @ 56:755351606154 ecos-sw-1999-12-01
Merge from eCos master repository on 1999-12-01-18:03:05-GMT
| author | jlarmour |
|---|---|
| date | Wed, 01 Dec 1999 18:33:37 +0000 |
| parents | e7ba79f6d3a8 |
| children | c38311975d4f |
| rev | line source |
|---|---|
| 0 | 1 //========================================================================== |
| 2 // | |
| 2 | 3 // common/kapi.cxx |
| 0 | 4 // |
| 2 | 5 // C API Implementation |
| 0 | 6 // |
| 7 //========================================================================== | |
| 8 //####COPYRIGHTBEGIN#### | |
| 9 // | |
| 10 // ------------------------------------------- | |
| 11 // The contents of this file are subject to the Cygnus eCos Public License | |
| 12 // Version 1.0 (the "License"); you may not use this file except in | |
| 13 // compliance with the License. You may obtain a copy of the License at | |
| 14 // http://sourceware.cygnus.com/ecos | |
| 15 // | |
| 16 // Software distributed under the License is distributed on an "AS IS" | |
| 17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the | |
| 18 // License for the specific language governing rights and limitations under | |
| 19 // the License. | |
| 20 // | |
| 21 // The Original Code is eCos - Embedded Cygnus Operating System, released | |
| 22 // September 30, 1998. | |
| 23 // | |
| 24 // The Initial Developer of the Original Code is Cygnus. Portions created | |
| 2 | 25 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved. |
| 0 | 26 // ------------------------------------------- |
| 27 // | |
| 28 //####COPYRIGHTEND#### | |
| 29 //========================================================================== | |
| 30 //#####DESCRIPTIONBEGIN#### | |
| 31 // | |
| 2 | 32 // Author(s): nickg, dsm |
| 33 // Contributors: nickg | |
| 34 // Date: 1998-03-02 | |
| 35 // Purpose: C API Implementation | |
| 36 // Description: C++ implementation of the C API | |
| 0 | 37 // |
| 38 // | |
| 39 //####DESCRIPTIONEND#### | |
| 40 // | |
| 41 //========================================================================== | |
| 42 | |
| 43 #include <pkgconf/kernel.h> | |
| 44 | |
| 45 #ifdef CYGFUN_KERNEL_API_C | |
| 46 | |
| 47 #include <cyg/kernel/ktypes.h> // base kernel types | |
| 48 #include <cyg/infra/cyg_trac.h> // tracing macros | |
| 49 #include <cyg/infra/cyg_ass.h> // assertion macros | |
| 50 #include <cyg/kernel/instrmnt.h> // instrumentation | |
| 51 #include <cyg/kernel/diag.h> | |
| 52 | |
| 53 #include <cyg/kernel/thread.hxx> | |
| 54 #include <cyg/kernel/thread.inl> // thread inlines | |
| 55 #include <cyg/kernel/sched.hxx> | |
| 56 #include <cyg/kernel/intr.hxx> | |
| 57 #include <cyg/kernel/clock.hxx> | |
| 58 | |
| 59 #include <cyg/kernel/memfixed.hxx> | |
| 60 #include <cyg/kernel/memvar.hxx> | |
| 61 | |
| 62 #include <cyg/kernel/sema.hxx> | |
| 63 #include <cyg/kernel/flag.hxx> | |
| 64 #include <cyg/kernel/mutex.hxx> | |
| 65 #include <cyg/kernel/mbox.hxx> | |
| 66 | |
| 67 #include <cyg/kernel/sched.inl> // scheduler inlines | |
| 68 #include <cyg/kernel/clock.inl> // clock inlines | |
| 69 | |
| 70 #include <cyg/kernel/kapi.h> // C API | |
| 71 | |
| 72 // ------------------------------------------------------------------------- | |
| 73 // Magic new function | |
| 74 | |
| 75 inline void *operator new(size_t size, void *ptr) | |
| 76 { | |
| 77 CYG_CHECK_DATA_PTR( ptr, "Bad pointer" ); | |
| 78 return ptr; | |
| 79 } | |
| 80 | |
| 81 // ------------------------------------------------------------------------- | |
| 82 | |
| 83 #ifdef CYGDBG_USE_ASSERTS | |
| 84 | |
| 85 #define CYG_ASSERT_SIZES(cstruct, cxxstruct) \ | |
| 86 CYG_MACRO_START \ | |
| 87 char *msg = "Size of C struct " #cstruct \ | |
| 88 " != size of C++ struct " #cxxstruct ; \ | |
| 89 CYG_ASSERT( sizeof(cstruct) == sizeof(cxxstruct) , msg ); \ | |
| 90 CYG_MACRO_END | |
| 91 | |
| 92 #else | |
| 93 | |
| 94 #define CYG_ASSERT_SIZES(cstruct, cxxstruct) | |
| 95 | |
| 96 #endif | |
| 97 | |
| 98 /*---------------------------------------------------------------------------*/ | |
| 99 /* Scheduler operations */ | |
| 100 | |
| 101 /* Starts scheduler with created threads. Never returns. */ | |
| 102 externC void cyg_scheduler_start(void) | |
| 103 { | |
| 104 Cyg_Scheduler::start(); | |
| 105 } | |
| 106 | |
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107 /* Lock the scheduler. */ |
| 0 | 108 externC void cyg_scheduler_lock(void) |
| 109 { | |
| 110 Cyg_Scheduler::lock(); | |
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111 // get_sched_lock() is unsigned, see below "cyg_ucount32 lock" |
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112 CYG_ASSERT( (0xff000000 & (Cyg_Scheduler::get_sched_lock())) == 0, |
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113 "Scheduler overlocked" ); |
| 0 | 114 } |
| 115 | |
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116 /* Unlock the scheduler. */ |
| 0 | 117 externC void cyg_scheduler_unlock(void) |
| 118 { | |
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119 cyg_ucount32 slock = Cyg_Scheduler::get_sched_lock(); |
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120 CYG_ASSERT( 0 < slock, "Scheduler not locked" ); |
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121 // And program defensively too: |
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122 if ( 0 < slock ) |
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123 Cyg_Scheduler::unlock(); |
| 0 | 124 } |
| 125 | |
| 126 /*---------------------------------------------------------------------------*/ | |
| 127 /* Thread operations */ | |
| 128 | |
| 129 externC void cyg_thread_create( | |
| 2 | 130 cyg_addrword_t sched_info, /* scheduling info (eg pri) */ |
| 0 | 131 cyg_thread_entry_t *entry, /* entry point function */ |
| 2 | 132 cyg_addrword_t entry_data, /* entry data */ |
| 0 | 133 char *name, /* optional thread name */ |
| 134 void *stack_base, /* stack base, NULL = alloc */ | |
| 135 cyg_ucount32 stack_size, /* stack size, 0 = default */ | |
| 136 cyg_handle_t *handle, /* returned thread handle */ | |
| 137 cyg_thread *thread /* put thread here */ | |
| 138 ) | |
| 139 { | |
| 140 CYG_ASSERT_SIZES( cyg_thread, Cyg_Thread ); | |
| 141 | |
| 142 Cyg_Thread *t = new((void *)thread) Cyg_Thread ( | |
| 143 (CYG_ADDRWORD) sched_info, | |
| 144 (cyg_thread_entry *)entry, | |
| 145 (CYG_ADDRWORD) entry_data, | |
| 146 name, | |
| 2 | 147 (CYG_ADDRWORD) stack_base, |
| 148 stack_size | |
| 0 | 149 ); |
| 150 t=t; | |
| 151 | |
| 152 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" ); | |
| 153 *handle = (cyg_handle_t)thread; | |
| 154 } | |
| 155 | |
| 156 externC void cyg_thread_exit() | |
| 157 { | |
| 158 Cyg_Thread::exit(); | |
| 159 } | |
| 160 | |
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161 externC cyg_bool_t cyg_thread_delete( cyg_handle_t thread ) |
| 2 | 162 { |
| 163 Cyg_Thread *th = (Cyg_Thread *)thread; | |
| 164 if( th->get_state() != Cyg_Thread::EXITED ) | |
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165 th->kill(); // encourage it to terminate |
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166 if( th->get_state() != Cyg_Thread::EXITED ) |
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167 return false; // it didn't run yet, leave it up to the app to fix |
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168 th->~Cyg_Thread(); |
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169 return true; |
| 2 | 170 } |
| 171 | |
| 0 | 172 externC void cyg_thread_suspend(cyg_handle_t thread) |
| 173 { | |
| 174 ((Cyg_Thread *)thread)->suspend(); | |
| 175 } | |
| 176 | |
| 177 externC void cyg_thread_resume(cyg_handle_t thread) | |
| 178 { | |
| 179 Cyg_Thread *th = (Cyg_Thread *)thread; | |
| 180 | |
| 181 // If we are resuming an exited thread then | |
| 182 // reinitialize it. | |
| 183 | |
| 184 if( th->get_state() == Cyg_Thread::EXITED ) | |
| 185 th->reinitialize(); | |
| 186 | |
| 187 th->resume(); | |
| 188 } | |
| 189 | |
| 190 externC void cyg_thread_kill( cyg_handle_t thread) | |
| 191 { | |
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192 ((Cyg_Thread *)thread)->kill(); |
| 0 | 193 } |
| 194 | |
| 2 | 195 externC void cyg_thread_release( cyg_handle_t thread) |
| 196 { | |
| 197 ((Cyg_Thread *)thread)->release(); | |
| 198 } | |
| 199 | |
| 0 | 200 externC void cyg_thread_yield() |
| 201 { | |
| 202 Cyg_Thread::yield(); | |
| 203 } | |
| 204 | |
| 205 externC cyg_handle_t cyg_thread_self() | |
| 206 { | |
| 207 return (cyg_handle_t)Cyg_Thread::self(); | |
| 208 } | |
| 209 | |
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210 // idle thread is not really a plain CygThread; danger. |
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211 externC cyg_handle_t cyg_thread_idle_thread() |
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212 { |
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213 extern Cyg_Thread idle_thread; |
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214 return (cyg_handle_t)&idle_thread; |
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215 } |
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216 |
| 0 | 217 /* Priority manipulation */ |
| 218 externC void cyg_thread_set_priority( | |
| 219 cyg_handle_t thread, cyg_priority_t priority ) | |
| 220 { | |
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221 #ifdef CYGIMP_THREAD_PRIORITY |
| 0 | 222 ((Cyg_Thread *)thread)->set_priority(priority); |
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223 #endif |
| 0 | 224 } |
| 225 | |
| 226 externC cyg_priority_t cyg_thread_get_priority(cyg_handle_t thread) | |
| 227 { | |
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228 #ifdef CYGIMP_THREAD_PRIORITY |
| 0 | 229 return ((Cyg_Thread *)thread)->get_priority(); |
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230 #else |
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231 return 0; |
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232 #endif |
| 0 | 233 } |
| 234 | |
| 235 /* Deadline scheduling control (optional) */ | |
| 236 | |
| 237 externC void cyg_thread_deadline_wait( | |
| 238 cyg_tick_count_t start_time, /* abs earliest start time */ | |
| 239 cyg_tick_count_t run_time, /* worst case execution time */ | |
| 240 cyg_tick_count_t deadline /* absolute deadline */ | |
| 241 ) | |
| 242 { | |
| 243 CYG_ASSERT(0,"Not implemented"); | |
| 244 } | |
| 245 | |
| 246 externC void cyg_thread_delay(cyg_tick_count_t delay) | |
| 247 { | |
| 248 Cyg_Thread::self()->delay(delay); | |
| 249 } | |
| 250 | |
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251 /* Stack information */ |
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252 externC cyg_addrword_t cyg_thread_get_stack_base(cyg_handle_t thread) |
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253 { |
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254 return ((Cyg_Thread *)thread)->get_stack_base(); |
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255 } |
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256 |
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257 externC cyg_uint32 cyg_thread_get_stack_size(cyg_handle_t thread) |
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258 { |
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259 return ((Cyg_Thread *)thread)->get_stack_size(); |
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260 } |
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261 |
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262 |
| 2 | 263 /*---------------------------------------------------------------------------*/ |
| 264 /* Per-thread data */ | |
| 265 | |
| 266 #ifdef CYGVAR_KERNEL_THREADS_DATA | |
| 267 | |
| 268 externC cyg_ucount32 cyg_thread_new_data_index() | |
| 269 { | |
| 270 return Cyg_Thread::new_data_index(); | |
| 271 } | |
| 272 | |
| 273 externC void cyg_thread_free_data_index(cyg_ucount32 index) | |
| 274 { | |
| 275 Cyg_Thread::free_data_index(index); | |
| 276 } | |
| 277 | |
| 278 externC CYG_ADDRWORD cyg_thread_get_data(cyg_ucount32 index) | |
| 279 { | |
| 280 return Cyg_Thread::get_data(index); | |
| 281 } | |
| 282 | |
| 283 externC CYG_ADDRWORD *cyg_thread_get_data_ptr(cyg_ucount32 index) | |
| 284 { | |
| 285 return Cyg_Thread::get_data_ptr(index); | |
| 286 } | |
| 287 | |
| 288 externC void cyg_thread_set_data(cyg_ucount32 index, CYG_ADDRWORD | |
| 289 data) | |
| 290 { | |
| 291 Cyg_Thread::self()->set_data(index, data); | |
| 292 } | |
| 293 #endif | |
| 0 | 294 |
| 295 /*---------------------------------------------------------------------------*/ | |
| 296 /* Exception handling. */ | |
| 297 | |
| 298 #ifdef CYGPKG_KERNEL_EXCEPTIONS | |
| 299 externC void cyg_exception_set_handler( | |
| 300 cyg_code_t exception_number, | |
| 301 cyg_exception_handler_t *new_handler, | |
| 2 | 302 cyg_addrword_t new_data, |
| 0 | 303 cyg_exception_handler_t **old_handler, |
| 2 | 304 cyg_addrword_t *old_data |
| 0 | 305 ) |
| 306 { | |
| 307 Cyg_Thread::register_exception( | |
| 308 exception_number, | |
| 309 (cyg_exception_handler *)new_handler, | |
| 310 (CYG_ADDRWORD)new_data, | |
| 311 (cyg_exception_handler **)old_handler, | |
| 312 (CYG_ADDRWORD *)old_data | |
| 313 ); | |
| 314 } | |
| 315 | |
| 316 /* Clear exception handler to default */ | |
| 317 externC void cyg_exception_clear_handler( | |
| 318 cyg_code_t exception_number | |
| 319 ) | |
| 320 { | |
| 321 Cyg_Thread::deregister_exception( exception_number ); | |
| 322 } | |
| 323 | |
| 324 /* Invoke exception handler */ | |
| 325 externC void cyg_exception_call_handler( | |
| 326 cyg_handle_t thread, | |
| 327 cyg_code_t exception_number, | |
| 2 | 328 cyg_addrword_t error_code |
| 0 | 329 ) |
| 330 { | |
| 331 Cyg_Thread *t = (Cyg_Thread *)thread; | |
| 332 | |
| 333 t->deliver_exception( exception_number, error_code ); | |
| 334 } | |
| 335 #endif | |
| 336 | |
| 337 /*---------------------------------------------------------------------------*/ | |
| 338 /* Interrupt handling */ | |
| 339 | |
| 340 externC void cyg_interrupt_create( | |
| 341 cyg_vector_t vector, /* Vector to attach to */ | |
| 342 cyg_priority_t priority, /* Queue priority */ | |
| 2 | 343 cyg_addrword_t data, /* Data pointer */ |
| 0 | 344 cyg_ISR_t *isr, /* Interrupt Service Routine */ |
| 345 cyg_DSR_t *dsr, /* Deferred Service Routine */ | |
| 346 cyg_handle_t *handle, /* returned handle */ | |
| 347 cyg_interrupt *intr /* put interrupt here */ | |
| 348 ) | |
| 349 { | |
| 350 CYG_ASSERT_SIZES( cyg_interrupt, Cyg_Interrupt ); | |
| 351 | |
| 352 Cyg_Interrupt *t = new((void *)intr) Cyg_Interrupt ( | |
| 353 (cyg_vector)vector, | |
| 354 (cyg_priority)priority, | |
| 355 (CYG_ADDRWORD)data, | |
| 356 (cyg_ISR *)isr, | |
| 357 (cyg_DSR *)dsr ); | |
| 358 t=t; | |
| 359 | |
| 360 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" ); | |
| 361 *handle = (cyg_handle_t)intr; | |
| 362 } | |
| 363 | |
| 364 externC void cyg_interrupt_delete( cyg_handle_t interrupt) | |
| 365 { | |
| 366 ((Cyg_Interrupt *)interrupt)->~Cyg_Interrupt(); | |
| 367 } | |
| 368 | |
| 369 void cyg_interrupt_attach( cyg_handle_t interrupt ) | |
| 370 { | |
| 371 ((Cyg_Interrupt *)interrupt)->attach(); | |
| 372 } | |
| 373 | |
| 374 void cyg_interrupt_detach( cyg_handle_t interrupt ) | |
| 375 { | |
| 376 ((Cyg_Interrupt *)interrupt)->detach(); | |
| 377 } | |
| 378 | |
| 379 /* VSR manipulation */ | |
| 380 | |
| 381 externC void cyg_interrupt_get_vsr( | |
| 382 cyg_vector_t vector, /* vector to get */ | |
| 383 cyg_VSR_t **vsr /* vsr got */ | |
| 384 ) | |
| 385 { | |
| 386 Cyg_Interrupt::get_vsr( (cyg_vector)vector, (cyg_VSR **)vsr); | |
| 387 } | |
| 388 | |
| 389 externC void cyg_interrupt_set_vsr( | |
| 390 cyg_vector_t vector, /* vector to set */ | |
| 391 cyg_VSR_t *vsr /* vsr to set */ | |
| 392 ) | |
| 393 { | |
| 394 Cyg_Interrupt::set_vsr( (cyg_vector)vector, (cyg_VSR *)vsr); | |
| 395 } | |
| 396 | |
| 397 /* CPU level interrupt mask */ | |
| 398 externC void cyg_interrupt_disable() | |
| 399 { | |
| 400 Cyg_Interrupt::disable_interrupts(); | |
| 401 } | |
| 402 | |
| 403 externC void cyg_interrupt_enable() | |
| 404 { | |
| 405 Cyg_Interrupt::enable_interrupts(); | |
| 406 } | |
| 407 | |
| 408 /* Interrupt controller access */ | |
| 409 externC void cyg_interrupt_mask(cyg_vector_t vector) | |
| 410 { | |
| 411 Cyg_Interrupt::mask_interrupt( (cyg_vector)vector); | |
| 412 } | |
| 413 | |
| 414 externC void cyg_interrupt_unmask(cyg_vector_t vector) | |
| 415 { | |
| 416 Cyg_Interrupt::unmask_interrupt( (cyg_vector)vector); | |
| 417 } | |
| 418 | |
| 419 | |
| 420 externC void cyg_interrupt_acknowledge(cyg_vector_t vector) | |
| 421 { | |
| 422 Cyg_Interrupt::acknowledge_interrupt( (cyg_vector)vector); | |
| 423 } | |
| 424 | |
| 425 | |
| 426 externC void cyg_interrupt_configure( | |
| 427 cyg_vector_t vector, /* vector to configure */ | |
| 428 cyg_bool_t level, /* level or edge triggered */ | |
| 429 cyg_bool_t up /* rising/faling edge, high/low level*/ | |
| 430 ) | |
| 431 { | |
| 432 Cyg_Interrupt::configure_interrupt( (cyg_vector)vector, level, up ); | |
| 433 } | |
| 434 | |
| 435 | |
| 436 /*---------------------------------------------------------------------------*/ | |
| 437 /* Counters, Clocks and Alarms */ | |
| 438 | |
| 439 externC void cyg_counter_create( | |
| 440 cyg_handle_t *handle, /* returned counter handle */ | |
| 441 cyg_counter *counter /* put counter here */ | |
| 442 ) | |
| 443 { | |
| 444 CYG_ASSERT_SIZES( cyg_counter, Cyg_Counter ); | |
| 445 | |
| 446 Cyg_Counter *t = new((void *)counter) Cyg_Counter (); | |
| 447 t=t; | |
| 448 | |
| 449 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" ); | |
| 450 *handle = (cyg_handle_t)counter; | |
| 451 } | |
| 452 | |
| 453 externC void cyg_counter_delete(cyg_handle_t counter) | |
| 454 { | |
| 455 ((Cyg_Counter *)counter)->~Cyg_Counter(); | |
| 456 } | |
| 457 | |
| 458 /* Return current value of counter */ | |
| 459 externC cyg_tick_count_t cyg_counter_current_value(cyg_handle_t counter) | |
| 460 { | |
| 461 return ((Cyg_Counter *)counter)->current_value(); | |
| 462 } | |
| 463 | |
| 464 /* Set new current value */ | |
| 465 externC void cyg_counter_set_value( | |
| 466 cyg_handle_t counter, | |
| 467 cyg_tick_count_t new_value | |
| 468 ) | |
| 469 { | |
| 470 ((Cyg_Counter *)counter)->set_value( new_value ); | |
| 471 } | |
| 472 | |
| 473 /* Advance counter by one tick */ | |
| 474 externC void cyg_counter_tick(cyg_handle_t counter) | |
| 475 { | |
| 476 ((Cyg_Counter *)counter)->tick(); | |
| 477 } | |
| 478 | |
| 479 /* Create a clock object */ | |
| 480 externC void cyg_clock_create( | |
| 481 cyg_resolution_t resolution, /* Initial resolution */ | |
| 482 cyg_handle_t *handle, /* Returned clock handle */ | |
| 483 cyg_clock *clock /* put clock here */ | |
| 484 ) | |
| 485 { | |
| 486 CYG_ASSERT_SIZES( cyg_clock, Cyg_Clock ); | |
| 487 | |
| 488 Cyg_Clock::cyg_resolution res; | |
| 489 | |
| 490 res.dividend = resolution.dividend; | |
| 491 res.divisor = resolution.divisor; | |
| 492 | |
| 493 Cyg_Clock *t = new((void *)clock) Cyg_Clock ( res ); | |
| 494 t=t; | |
| 495 | |
| 496 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" ); | |
| 497 *handle = (cyg_handle_t)clock; | |
| 498 } | |
| 499 | |
| 500 externC void cyg_clock_delete(cyg_handle_t clock) | |
| 501 { | |
| 502 ((Cyg_Clock *)clock)->~Cyg_Clock(); | |
| 503 } | |
| 504 | |
| 505 /* convert a clock handle to a counter handle so we can use the */ | |
| 506 /* counter API on it. */ | |
| 507 externC void cyg_clock_to_counter( | |
| 508 cyg_handle_t clock, | |
| 509 cyg_handle_t *counter | |
| 510 ) | |
| 511 { | |
| 512 CYG_CHECK_DATA_PTR( counter, "Bad counter handle pointer" ); | |
| 513 *counter = (cyg_handle_t)(Cyg_Counter *)clock; | |
| 514 } | |
| 515 | |
| 516 externC void cyg_clock_set_resolution( | |
| 517 cyg_handle_t clock, | |
| 518 cyg_resolution_t resolution /* New resolution */ | |
| 519 ) | |
| 520 { | |
| 521 Cyg_Clock::cyg_resolution res; | |
| 522 | |
| 523 res.dividend = resolution.dividend; | |
| 524 res.divisor = resolution.divisor; | |
| 525 | |
| 526 ((Cyg_Clock *)clock)->set_resolution( res ); | |
| 527 } | |
| 528 | |
| 529 externC cyg_resolution_t cyg_clock_get_resolution(cyg_handle_t clock) | |
| 530 { | |
| 531 Cyg_Clock::cyg_resolution res = | |
| 532 ((Cyg_Clock *)clock)->get_resolution(); | |
| 533 | |
| 534 cyg_resolution_t resolution; | |
| 535 | |
| 536 resolution.dividend = res.dividend; | |
| 537 resolution.divisor = res.divisor; | |
| 538 | |
| 539 return resolution; | |
| 540 } | |
| 541 | |
| 542 #ifdef CYGVAR_KERNEL_COUNTERS_CLOCK | |
| 543 externC cyg_handle_t cyg_real_time_clock(void) | |
| 544 { | |
| 545 return (cyg_handle_t)Cyg_Clock::real_time_clock; | |
| 546 } | |
| 547 | |
| 548 externC cyg_tick_count_t cyg_current_time(void) | |
| 549 { | |
| 550 return Cyg_Clock::real_time_clock->current_value(); | |
| 551 } | |
| 552 #endif | |
| 553 | |
| 554 externC void cyg_alarm_create( | |
| 555 cyg_handle_t counter, /* Attached to this counter */ | |
| 556 cyg_alarm_t *alarmfn, /* Call-back function */ | |
| 2 | 557 cyg_addrword_t data, /* Call-back data */ |
| 0 | 558 cyg_handle_t *handle, /* Returned alarm object */ |
| 559 cyg_alarm *alarm /* put alarm here */ | |
| 560 ) | |
| 561 { | |
| 562 CYG_ASSERT_SIZES( cyg_alarm, Cyg_Alarm ); | |
| 563 | |
| 564 Cyg_Alarm *t = new((void *)alarm) Cyg_Alarm ( | |
| 565 (Cyg_Counter *)counter, | |
| 2 | 566 (cyg_alarm_fn *)alarmfn, |
| 567 (CYG_ADDRWORD)data | |
| 0 | 568 ); |
| 569 t=t; | |
| 570 | |
| 571 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" ); | |
| 572 *handle = (cyg_handle_t)alarm; | |
| 573 } | |
| 574 | |
| 575 /* Disable alarm, detach from counter and invalidate handles */ | |
| 576 externC void cyg_alarm_delete( cyg_handle_t alarm) | |
| 577 { | |
| 578 ((Cyg_Alarm *)alarm)->~Cyg_Alarm(); | |
| 579 } | |
| 580 | |
| 581 externC void cyg_alarm_initialize( | |
| 582 cyg_handle_t alarm, | |
| 583 cyg_tick_count_t trigger, /* Absolute trigger time */ | |
| 584 cyg_tick_count_t interval /* Relative retrigger interval */ | |
| 585 ) | |
| 586 { | |
| 587 ((Cyg_Alarm *)alarm)->initialize( | |
| 2 | 588 (cyg_tick_count)trigger, |
| 589 (cyg_tick_count)interval); | |
| 0 | 590 } |
| 591 | |
| 592 externC void cyg_alarm_enable( cyg_handle_t alarm ) | |
| 593 { | |
| 594 ((Cyg_Alarm *)alarm)->enable(); | |
| 595 } | |
| 596 | |
| 597 externC void cyg_alarm_disable( cyg_handle_t alarm ) | |
| 598 { | |
| 599 ((Cyg_Alarm *)alarm)->disable(); | |
| 600 } | |
| 601 | |
| 602 /*---------------------------------------------------------------------------*/ | |
| 603 /* Mail boxes */ | |
| 604 | |
| 605 externC void cyg_mbox_create( | |
| 606 cyg_handle_t *handle, | |
| 607 cyg_mbox *mbox | |
| 608 ) | |
| 609 { | |
| 610 CYG_ASSERT_SIZES( cyg_mbox, Cyg_Mbox ); | |
| 611 | |
| 612 Cyg_Mbox *t = new((void *)mbox) Cyg_Mbox(); | |
| 613 t=t; | |
| 614 | |
| 615 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" ); | |
| 616 *handle = (cyg_handle_t)mbox; | |
| 617 } | |
| 618 | |
| 619 externC void cyg_mbox_delete(cyg_handle_t mbox) | |
| 620 { | |
| 621 ((Cyg_Mbox *)mbox)->~Cyg_Mbox(); | |
| 622 } | |
| 623 | |
| 624 externC void *cyg_mbox_get(cyg_handle_t mbox) | |
| 625 { | |
| 626 return ((Cyg_Mbox *)mbox)->get(); | |
| 627 } | |
| 628 | |
| 629 #ifdef CYGFUN_KERNEL_THREADS_TIMER | |
| 630 void *cyg_mbox_timed_get( | |
| 631 cyg_handle_t mbox, | |
| 632 cyg_tick_count_t abstime | |
| 633 ) | |
| 634 { | |
| 635 return ((Cyg_Mbox *)mbox)->get(abstime); | |
| 636 } | |
| 637 #endif | |
| 638 | |
| 639 externC void *cyg_mbox_tryget(cyg_handle_t mbox) | |
| 640 { | |
| 641 return ((Cyg_Mbox *)mbox)->tryget(); | |
| 642 } | |
| 643 | |
| 644 externC void *cyg_mbox_peek_item(cyg_handle_t mbox) | |
| 645 { | |
| 646 return ((Cyg_Mbox *)mbox)->peek_item(); | |
| 647 } | |
| 648 | |
| 649 #ifdef CYGMFN_KERNEL_SYNCH_MBOXT_PUT_CAN_WAIT | |
| 650 externC cyg_bool_t cyg_mbox_put(cyg_handle_t mbox, void *item) | |
| 651 { | |
| 652 return ((Cyg_Mbox *)mbox)->put(item); | |
| 653 } | |
| 654 | |
| 655 #ifdef CYGFUN_KERNEL_THREADS_TIMER | |
| 656 externC cyg_bool_t cyg_mbox_timed_put( | |
| 657 cyg_handle_t mbox, | |
| 658 void *item, | |
| 659 cyg_tick_count_t abstime | |
| 660 ) | |
| 661 { | |
| 662 return ((Cyg_Mbox *)mbox)->put(item, abstime); | |
| 663 } | |
| 664 #endif | |
| 665 #endif | |
| 666 | |
| 667 externC cyg_bool_t cyg_mbox_tryput(cyg_handle_t mbox, void *item) | |
| 668 { | |
| 669 return ((Cyg_Mbox *)mbox)->tryput(item); | |
| 670 } | |
| 671 | |
| 672 externC cyg_count32 cyg_mbox_peek(cyg_handle_t mbox) | |
| 673 { | |
| 674 return ((Cyg_Mbox *)mbox)->peek(); | |
| 675 } | |
| 676 | |
| 677 externC cyg_bool_t cyg_mbox_waiting_to_get(cyg_handle_t mbox) | |
| 678 { | |
| 679 return ((Cyg_Mbox *)mbox)->waiting_to_get(); | |
| 680 } | |
| 681 | |
| 682 externC cyg_bool_t cyg_mbox_waiting_to_put(cyg_handle_t mbox) | |
| 683 { | |
| 684 return ((Cyg_Mbox *)mbox)->waiting_to_put(); | |
| 685 } | |
| 686 | |
| 687 | |
| 688 /*-----------------------------------------------------------------------*/ | |
| 689 /* Memory pools */ | |
| 690 | |
| 691 /* Create a variable size memory pool */ | |
| 692 externC void cyg_mempool_var_create( | |
| 693 void *base, /* base of memory to use for pool */ | |
| 694 cyg_int32 size, /* size of memory in bytes */ | |
| 695 cyg_handle_t *handle, /* returned handle of memory pool */ | |
| 696 cyg_mempool_var *var /* space to put pool structure in */ | |
| 697 ) | |
| 698 { | |
| 699 CYG_ASSERT_SIZES( cyg_mempool_var, Cyg_Mempool_Variable ); | |
| 700 | |
| 701 Cyg_Mempool_Variable *t = new((void *)var) Cyg_Mempool_Variable ( | |
| 702 (cyg_uint8 *)base, | |
| 2 | 703 size |
| 0 | 704 ); |
| 705 t=t; | |
| 706 | |
| 707 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" ); | |
| 708 *handle = (cyg_handle_t)var; | |
| 709 } | |
| 710 | |
| 711 /* Delete variable size memory pool */ | |
| 712 externC void cyg_mempool_var_delete(cyg_handle_t varpool) | |
| 713 { | |
| 714 ((Cyg_Mempool_Variable *)varpool)->~Cyg_Mempool_Variable(); | |
| 715 } | |
| 716 | |
| 717 /* Allocates a block of length size. This waits if the memory is not | |
| 718 currently available. */ | |
| 719 externC void *cyg_mempool_var_alloc(cyg_handle_t varpool, cyg_int32 size) | |
| 720 { | |
| 721 return ((Cyg_Mempool_Variable *)varpool)->alloc(size); | |
| 722 } | |
| 723 | |
| 724 #ifdef CYGFUN_KERNEL_THREADS_TIMER | |
| 725 | |
| 726 /* Allocates a block of length size. This waits for up to delay | |
| 727 ticks, if the memory is not already available. NULL is returned if | |
| 728 no memory is available. */ | |
| 729 externC void *cyg_mempool_var_timed_alloc( | |
| 730 cyg_handle_t varpool, | |
| 731 cyg_int32 size, | |
| 732 cyg_tick_count_t abstime) | |
| 733 { | |
| 734 return ((Cyg_Mempool_Variable *)varpool)->alloc(size, abstime); | |
| 735 } | |
| 736 | |
| 737 #endif | |
| 738 | |
| 739 /* Allocates a block of length size. NULL is returned if no memory is | |
| 740 available. */ | |
| 741 externC void *cyg_mempool_var_try_alloc( | |
| 742 cyg_handle_t varpool, | |
| 743 cyg_int32 size) | |
| 744 { | |
| 745 return ((Cyg_Mempool_Variable *)varpool)->try_alloc(size); | |
| 746 } | |
| 747 | |
| 748 /* Frees memory back into variable size pool. */ | |
| 749 externC void cyg_mempool_var_free(cyg_handle_t varpool, void *p) | |
| 750 { | |
| 751 cyg_bool b; | |
| 752 b = ((Cyg_Mempool_Variable *)varpool)->free((cyg_uint8 *)p, 0); | |
| 753 CYG_ASSERT( b, "Bad free"); | |
| 754 } | |
| 755 | |
| 756 | |
| 757 /* Returns true if there are any threads waiting for memory in the | |
| 758 given memory pool. */ | |
| 759 externC cyg_bool_t cyg_mempool_var_waiting(cyg_handle_t varpool) | |
| 760 { | |
| 761 return ((Cyg_Mempool_Variable *)varpool)->waiting(); | |
| 762 } | |
| 763 | |
| 764 /* Puts information about a variable memory pool into the structure | |
| 765 provided. */ | |
| 766 externC void cyg_mempool_var_get_info( | |
| 767 cyg_handle_t varpool, | |
| 768 cyg_mempool_info *info) | |
| 769 { | |
| 770 Cyg_Mempool_Variable *v = (Cyg_Mempool_Variable *)varpool; | |
| 771 cyg_uint8 *base; | |
| 772 CYG_ADDRWORD maxfree; | |
| 773 | |
| 774 info->totalmem = v->get_totalmem(); | |
| 775 info->freemem = v->get_freemem(); | |
| 776 v->get_arena(base, info->size, maxfree); | |
| 777 info->base = (void *)base; | |
| 778 info->blocksize = -1; | |
| 779 info->maxfree = maxfree; | |
| 780 } | |
| 781 | |
| 782 | |
| 783 /* Create a fixed size memory pool */ | |
| 784 externC void cyg_mempool_fix_create( | |
| 785 void *base, // base of memory to use for pool | |
| 786 cyg_int32 size, // size of memory in byte | |
| 787 cyg_int32 blocksize, // size of allocation in bytes | |
| 788 cyg_handle_t *handle, // handle of memory pool | |
| 789 cyg_mempool_fix *fix // space to put pool structure in | |
| 790 ) | |
| 791 { | |
| 792 CYG_ASSERT_SIZES( cyg_mempool_fix, Cyg_Mempool_Fixed ); | |
| 793 | |
| 794 Cyg_Mempool_Fixed *t = new((void *)fix) Cyg_Mempool_Fixed ( | |
| 795 (cyg_uint8 *)base, | |
| 2 | 796 size, |
| 0 | 797 blocksize |
| 798 ); | |
| 799 t=t; | |
| 800 | |
| 801 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" ); | |
| 802 *handle = (cyg_handle_t)fix; | |
| 803 } | |
| 804 | |
| 805 /* Delete fixed size memory pool */ | |
| 806 externC void cyg_mempool_fix_delete(cyg_handle_t fixpool) | |
| 807 { | |
| 808 ((Cyg_Mempool_Fixed *)fixpool)->~Cyg_Mempool_Fixed(); | |
| 809 } | |
| 810 | |
| 811 /* Allocates a block. This waits if the memory is not | |
| 812 currently available. */ | |
| 813 externC void *cyg_mempool_fix_alloc(cyg_handle_t fixpool) | |
| 814 { | |
| 815 return ((Cyg_Mempool_Fixed *)fixpool)->alloc(); | |
| 816 } | |
| 817 | |
| 818 #ifdef CYGFUN_KERNEL_THREADS_TIMER | |
| 819 | |
| 820 /* Allocates a block. This waits for up to delay ticks, if the memory | |
| 821 is not already available. NULL is returned if no memory is | |
| 822 available. */ | |
| 823 externC void *cyg_mempool_fix_timed_alloc( | |
| 824 cyg_handle_t fixpool, | |
| 825 cyg_tick_count_t abstime) | |
| 826 { | |
| 827 return ((Cyg_Mempool_Fixed *)fixpool)->alloc(abstime); | |
| 828 } | |
| 829 | |
| 830 #endif | |
| 831 | |
| 832 /* Allocates a block. NULL is returned if no memory is available. */ | |
| 833 externC void *cyg_mempool_fix_try_alloc(cyg_handle_t fixpool) | |
| 834 { | |
| 835 return ((Cyg_Mempool_Fixed *)fixpool)->try_alloc(); | |
| 836 } | |
| 837 | |
| 838 /* Frees memory back into fixed size pool. */ | |
| 839 externC void cyg_mempool_fix_free(cyg_handle_t fixpool, void *p) | |
| 840 { | |
| 841 cyg_bool b; | |
| 842 b = ((Cyg_Mempool_Fixed *)fixpool)->free((cyg_uint8 *)p); | |
| 843 CYG_ASSERT( b, "Bad free"); | |
| 844 } | |
| 845 | |
| 846 /* Returns true if there are any threads waiting for memory in the | |
| 847 given memory pool. */ | |
| 848 externC cyg_bool_t cyg_mempool_fix_waiting(cyg_handle_t fixpool) | |
| 849 { | |
| 850 return ((Cyg_Mempool_Fixed *)fixpool)->waiting(); | |
| 851 } | |
| 852 | |
| 853 /* Puts information about a variable memory pool into the structure | |
| 854 provided. */ | |
| 855 externC void cyg_mempool_fix_get_info( | |
| 856 cyg_handle_t fixpool, | |
| 857 cyg_mempool_info *info) | |
| 858 { | |
| 859 Cyg_Mempool_Fixed *f = (Cyg_Mempool_Fixed *)fixpool; | |
| 860 cyg_uint8 *base; | |
| 861 cyg_addrword_t blocksize; | |
| 862 | |
| 863 info->totalmem = f->get_totalmem(); | |
| 864 info->freemem = f->get_freemem(); | |
| 865 f->get_arena(base, info->size, blocksize); | |
| 866 info->base = (void *)base; | |
| 867 info->maxfree = info->blocksize = (cyg_int32)blocksize; | |
| 868 } | |
| 869 | |
| 870 /*---------------------------------------------------------------------------*/ | |
| 871 /* Semaphores */ | |
| 872 | |
| 873 externC void cyg_semaphore_init( | |
| 874 cyg_sem_t *sem, /* Semaphore to init */ | |
| 2 | 875 cyg_count32 val /* Initial semaphore value */ |
| 0 | 876 ) |
| 877 { | |
| 878 CYG_ASSERT_SIZES( cyg_sem_t, Cyg_Counting_Semaphore ); | |
| 879 | |
| 880 Cyg_Counting_Semaphore *t = new((void *)sem) Cyg_Counting_Semaphore(val); | |
| 881 t=t; | |
| 882 } | |
| 883 | |
| 884 externC void cyg_semaphore_destroy( cyg_sem_t *sem ) | |
| 885 { | |
| 886 ((Cyg_Counting_Semaphore *)sem)->~Cyg_Counting_Semaphore(); | |
| 887 } | |
| 888 | |
| 889 externC void cyg_semaphore_wait( cyg_sem_t *sem ) | |
| 890 { | |
| 891 ((Cyg_Counting_Semaphore *)sem)->wait(); | |
| 892 } | |
| 893 | |
| 894 #ifdef CYGFUN_KERNEL_THREADS_TIMER | |
| 895 externC cyg_bool_t cyg_semaphore_timed_wait( | |
| 896 cyg_sem_t *sem, | |
| 897 cyg_tick_count_t abstime | |
| 898 ) | |
| 899 { | |
| 900 return ((Cyg_Counting_Semaphore *)sem)->wait(abstime); | |
| 901 } | |
| 902 #endif | |
| 903 | |
| 904 | |
| 905 externC int cyg_semaphore_trywait( cyg_sem_t *sem ) | |
| 906 { | |
| 907 return ((Cyg_Counting_Semaphore *)sem)->trywait(); | |
| 908 } | |
| 909 | |
| 910 externC void cyg_semaphore_post( cyg_sem_t *sem ) | |
| 911 { | |
| 912 ((Cyg_Counting_Semaphore *)sem)->post(); | |
| 913 } | |
| 914 | |
| 2 | 915 externC void cyg_semaphore_peek( cyg_sem_t *sem, cyg_count32 *val ) |
| 0 | 916 { |
| 917 CYG_CHECK_DATA_PTR( val, "Bad val parameter" ); | |
| 918 | |
| 919 *val = ((Cyg_Counting_Semaphore *)sem)->peek(); | |
| 920 } | |
| 921 | |
| 922 | |
| 923 /*---------------------------------------------------------------------------*/ | |
| 924 /* Flags */ | |
| 925 | |
| 926 void cyg_flag_init( | |
| 927 cyg_flag_t *flag /* Flag to init */ | |
| 928 ) | |
| 929 { | |
| 930 CYG_ASSERT_SIZES( cyg_flag_t, Cyg_Flag ); | |
| 931 CYG_ASSERT( | |
| 932 ( Cyg_Flag::AND == CYG_FLAG_WAITMODE_AND ) && | |
| 933 ( Cyg_Flag::OR == CYG_FLAG_WAITMODE_OR ) && | |
| 934 ( Cyg_Flag::CLR == CYG_FLAG_WAITMODE_CLR ), | |
| 935 "CYG_FLAG_WAITMODE_xxx definition != C++ Cyg_Flag::xxx" ); | |
| 936 | |
| 937 Cyg_Flag *t = new((void *)flag) Cyg_Flag(); | |
| 938 t=t; | |
| 939 } | |
| 940 | |
| 941 void cyg_flag_destroy( cyg_flag_t *flag ) | |
| 942 { | |
| 943 ((Cyg_Flag *)flag)->~Cyg_Flag(); | |
| 944 } | |
| 945 | |
| 946 void cyg_flag_setbits( cyg_flag_t *flag, cyg_flag_value_t value) | |
| 947 { | |
| 948 ((Cyg_Flag *)flag)->setbits( value ); | |
| 949 } | |
| 950 | |
| 951 void cyg_flag_maskbits( cyg_flag_t *flag, cyg_flag_value_t value) | |
| 952 { | |
| 953 ((Cyg_Flag *)flag)->maskbits( value ); | |
| 954 } | |
| 955 | |
| 956 cyg_flag_value_t cyg_flag_wait( cyg_flag_t *flag, | |
| 957 cyg_flag_value_t pattern, | |
| 958 cyg_flag_mode_t mode ) | |
| 959 { | |
| 960 if ( 0 == pattern || 0 != (mode & ~3) ) | |
| 961 return 0; | |
| 962 return ((Cyg_Flag *)flag)->wait( pattern, mode ); | |
| 963 | |
| 964 } | |
| 965 | |
| 966 #ifdef CYGFUN_KERNEL_THREADS_TIMER | |
| 967 cyg_flag_value_t cyg_flag_timed_wait( cyg_flag_t *flag, | |
| 968 cyg_flag_value_t pattern, | |
| 969 cyg_flag_mode_t mode, | |
| 970 cyg_tick_count_t abstime ) | |
| 971 { | |
| 972 if ( 0 == pattern || 0 != (mode & ~3) ) | |
| 973 return 0; | |
| 974 return ((Cyg_Flag *)flag)->wait( pattern, mode, abstime ); | |
| 975 | |
| 976 } | |
| 977 #endif | |
| 978 | |
| 979 cyg_flag_value_t cyg_flag_poll( cyg_flag_t *flag, | |
| 980 cyg_flag_value_t pattern, | |
| 981 cyg_flag_mode_t mode ) | |
| 982 { | |
| 983 if ( 0 == pattern || 0 != (mode & ~3) ) | |
| 984 return 0; | |
| 985 return ((Cyg_Flag *)flag)->poll( pattern, mode ); | |
| 986 | |
| 987 } | |
| 988 | |
| 989 cyg_flag_value_t cyg_flag_peek( cyg_flag_t *flag ) | |
| 990 { | |
| 991 return ((Cyg_Flag *)flag)->peek(); | |
| 992 } | |
| 993 | |
| 994 cyg_bool_t cyg_flag_waiting( cyg_flag_t *flag ) | |
| 995 { | |
| 996 return ((Cyg_Flag *)flag)->waiting(); | |
| 997 } | |
| 998 | |
| 999 /*---------------------------------------------------------------------------*/ | |
| 1000 /* Mutex */ | |
| 1001 | |
| 1002 externC void cyg_mutex_init( | |
| 1003 cyg_mutex_t *mutex /* Mutex to init */ | |
| 1004 ) | |
| 1005 { | |
| 1006 CYG_ASSERT_SIZES( cyg_mutex_t, Cyg_Mutex ); | |
| 1007 | |
| 1008 Cyg_Mutex *m = new((void *)mutex) Cyg_Mutex; | |
| 1009 | |
| 1010 m=m; | |
| 1011 } | |
| 1012 | |
| 1013 externC void cyg_mutex_destroy( cyg_mutex_t *mutex ) | |
| 1014 { | |
|
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1015 ((Cyg_Mutex *)mutex)->~Cyg_Mutex(); |
| 0 | 1016 } |
| 1017 | |
| 2 | 1018 externC cyg_bool_t cyg_mutex_lock( cyg_mutex_t *mutex ) |
| 0 | 1019 { |
| 2 | 1020 return ((Cyg_Mutex *)mutex)->lock(); |
| 0 | 1021 } |
| 1022 | |
| 1023 externC cyg_bool_t cyg_mutex_trylock( cyg_mutex_t *mutex ) | |
| 1024 { | |
| 1025 return ((Cyg_Mutex *)mutex)->trylock(); | |
| 1026 } | |
| 1027 | |
| 1028 externC void cyg_mutex_unlock( cyg_mutex_t *mutex ) | |
| 1029 { | |
| 1030 ((Cyg_Mutex *)mutex)->unlock(); | |
| 1031 } | |
| 1032 | |
| 2 | 1033 externC void cyg_mutex_release( cyg_mutex_t *mutex ) |
| 1034 { | |
| 1035 ((Cyg_Mutex *)mutex)->release(); | |
| 1036 } | |
| 1037 | |
| 0 | 1038 /*---------------------------------------------------------------------------*/ |
| 1039 /* Condition Variables */ | |
| 1040 | |
| 1041 externC void cyg_cond_init( | |
| 1042 cyg_cond_t *cond, /* condition variable to init */ | |
| 1043 cyg_mutex_t *mutex /* associated mutex */ | |
| 1044 ) | |
| 1045 { | |
| 1046 CYG_ASSERT_SIZES( cyg_cond_t, Cyg_Condition_Variable ); | |
| 1047 | |
| 1048 Cyg_Condition_Variable *t = new((void *)cond) Cyg_Condition_Variable( | |
| 1049 *(Cyg_Mutex *)mutex); | |
| 1050 t=t; | |
| 1051 } | |
| 1052 | |
| 1053 externC void cyg_cond_destroy( cyg_cond_t *cond ) | |
| 1054 { | |
|
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1055 ((Cyg_Condition_Variable *)cond)->~Cyg_Condition_Variable(); |
| 0 | 1056 } |
| 1057 | |
| 1058 externC void cyg_cond_wait( cyg_cond_t *cond ) | |
| 1059 { | |
| 1060 ((Cyg_Condition_Variable *)cond)->wait(); | |
| 1061 } | |
| 1062 | |
| 1063 externC void cyg_cond_signal( cyg_cond_t *cond ) | |
| 1064 { | |
| 1065 ((Cyg_Condition_Variable *)cond)->signal(); | |
| 1066 } | |
| 1067 | |
| 1068 externC void cyg_cond_broadcast( cyg_cond_t *cond ) | |
| 1069 { | |
| 1070 ((Cyg_Condition_Variable *)cond)->broadcast(); | |
| 1071 } | |
| 1072 | |
| 1073 #ifdef CYGMFN_KERNEL_SYNCH_CONDVAR_TIMED_WAIT | |
| 1074 externC cyg_bool_t cyg_cond_timed_wait( | |
| 1075 cyg_cond_t *cond, | |
| 1076 cyg_tick_count_t abstime | |
| 1077 ) | |
| 1078 { | |
| 1079 return ((Cyg_Condition_Variable *)cond)->wait(abstime); | |
| 1080 } | |
| 1081 | |
| 1082 #endif | |
| 1083 | |
| 1084 // ------------------------------------------------------------------------- | |
| 1085 // Check structure sizes. | |
| 1086 // This class and constructor get run automatically in debug versions | |
| 1087 // of the kernel and check that the structures configured in the C | |
| 1088 // code are the same size as the C++ classes they should match. | |
| 1089 | |
| 1090 #ifdef CYGPKG_INFRA_DEBUG | |
| 1091 | |
| 1092 class Cyg_Check_Structure_Sizes | |
| 1093 { | |
| 1094 int dummy; | |
| 1095 public: | |
| 1096 Cyg_Check_Structure_Sizes( int x ); | |
| 1097 | |
| 1098 }; | |
| 1099 | |
| 1100 #define CYG_CHECK_SIZES(cstruct, cxxstruct) \ | |
| 1101 if( sizeof(cstruct) != sizeof(cxxstruct) ) \ | |
| 1102 { \ | |
| 1103 char *fmt = "Size of C struct " #cstruct \ | |
| 1104 " != size of C++ struct " #cxxstruct ; \ | |
| 1105 CYG_TRACE2(1, fmt, sizeof(cstruct) , sizeof(cxxstruct) ); \ | |
| 1106 fail = true; \ | |
| 1107 fmt = fmt; \ | |
| 1108 } | |
| 1109 | |
| 1110 Cyg_Check_Structure_Sizes::Cyg_Check_Structure_Sizes(int x) | |
| 1111 { | |
| 1112 cyg_bool fail = false; | |
| 1113 | |
| 1114 dummy = x+1; | |
| 1115 | |
| 1116 CYG_CHECK_SIZES( cyg_thread, Cyg_Thread ); | |
| 1117 CYG_CHECK_SIZES( cyg_interrupt, Cyg_Interrupt ); | |
| 1118 CYG_CHECK_SIZES( cyg_counter, Cyg_Counter ); | |
| 1119 CYG_CHECK_SIZES( cyg_clock, Cyg_Clock ); | |
| 1120 CYG_CHECK_SIZES( cyg_alarm, Cyg_Alarm ); | |
| 1121 CYG_CHECK_SIZES( cyg_mbox, Cyg_Mbox ); | |
| 1122 CYG_CHECK_SIZES( cyg_mempool_var, Cyg_Mempool_Variable ); | |
| 1123 CYG_CHECK_SIZES( cyg_mempool_fix, Cyg_Mempool_Fixed ); | |
| 1124 CYG_CHECK_SIZES( cyg_sem_t, Cyg_Counting_Semaphore ); | |
| 1125 CYG_CHECK_SIZES( cyg_flag_t, Cyg_Flag ); | |
| 1126 CYG_CHECK_SIZES( cyg_mutex_t, Cyg_Mutex ); | |
| 1127 CYG_CHECK_SIZES( cyg_cond_t, Cyg_Condition_Variable ); | |
| 1128 | |
| 1129 CYG_ASSERT( !fail, "Size checks failed"); | |
| 1130 } | |
| 1131 | |
| 1132 Cyg_Check_Structure_Sizes check_structure_sizes(1); | |
| 1133 | |
| 1134 #endif | |
| 1135 | |
| 1136 | |
| 1137 // ------------------------------------------------------------------------- | |
| 1138 | |
| 1139 #endif | |
| 1140 // EOF common/kapi.cxx |