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Merge from eCos master repository on 2002-05-20-20:11:54-BST
author jlarmour
date Mon, 20 May 2002 22:19:26 +0000
parents f62680ef1804
children d2c90368aeef
comparison
equal deleted inserted replaced
207:74c807ddde34 208:e0c0827131d1
3 // sync/mutex.cxx 3 // sync/mutex.cxx
4 // 4 //
5 // Mutex and condition variable implementation 5 // Mutex and condition variable implementation
6 // 6 //
7 //========================================================================== 7 //==========================================================================
8 //####COPYRIGHTBEGIN#### 8 //####ECOSGPLCOPYRIGHTBEGIN####
9 // 9 // -------------------------------------------
10 // ------------------------------------------- 10 // This file is part of eCos, the Embedded Configurable Operating System.
11 // The contents of this file are subject to the Red Hat eCos Public License 11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
12 // Version 1.1 (the "License"); you may not use this file except in 12 //
13 // compliance with the License. You may obtain a copy of the License at 13 // eCos is free software; you can redistribute it and/or modify it under
14 // http://www.redhat.com/ 14 // the terms of the GNU General Public License as published by the Free
15 // 15 // Software Foundation; either version 2 or (at your option) any later version.
16 // Software distributed under the License is distributed on an "AS IS" 16 //
17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the 17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
18 // License for the specific language governing rights and limitations under 18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
19 // the License. 19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
20 // 20 // for more details.
21 // The Original Code is eCos - Embedded Configurable Operating System, 21 //
22 // released September 30, 1998. 22 // You should have received a copy of the GNU General Public License along
23 // 23 // with eCos; if not, write to the Free Software Foundation, Inc.,
24 // The Initial Developer of the Original Code is Red Hat. 24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
25 // Portions created by Red Hat are 25 //
26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc. 26 // As a special exception, if other files instantiate templates or use macros
27 // All Rights Reserved. 27 // or inline functions from this file, or you compile this file and link it
28 // ------------------------------------------- 28 // with other works to produce a work based on this file, this file does not
29 // 29 // by itself cause the resulting work to be covered by the GNU General Public
30 //####COPYRIGHTEND#### 30 // License. However the source code for this file must still be made available
31 // in accordance with section (3) of the GNU General Public License.
32 //
33 // This exception does not invalidate any other reasons why a work based on
34 // this file might be covered by the GNU General Public License.
35 //
36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
37 // at http://sources.redhat.com/ecos/ecos-license
38 // -------------------------------------------
39 //####ECOSGPLCOPYRIGHTEND####
31 //========================================================================== 40 //==========================================================================
32 //#####DESCRIPTIONBEGIN#### 41 //#####DESCRIPTIONBEGIN####
33 // 42 //
34 // Author(s): nickg 43 // Author(s): nickg
35 // Contributors: nickg, jlarmour 44 // Contributors: nickg, jlarmour
63 72
64 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_DYNAMIC 73 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_DYNAMIC
65 74
66 #define IF_PROTOCOL_INHERIT if( protocol == INHERIT ) 75 #define IF_PROTOCOL_INHERIT if( protocol == INHERIT )
67 #define IF_PROTOCOL_CEILING if( protocol == CEILING ) 76 #define IF_PROTOCOL_CEILING if( protocol == CEILING )
77 #define IF_PROTOCOL_ACTIVE if( protocol != NONE )
68 78
69 #else 79 #else
70 80
71 #define IF_PROTOCOL_INHERIT 81 #define IF_PROTOCOL_INHERIT
72 #define IF_PROTOCOL_CEILING 82 #define IF_PROTOCOL_CEILING
83 #define IF_PROTOCOL_ACTIVE
73 84
74 #endif 85 #endif
75 86
76 // ------------------------------------------------------------------------- 87 // -------------------------------------------------------------------------
77 // Constructor 88 // Constructor
219 // thread grabbing the mutex between the wakeup in unlock() and 230 // thread grabbing the mutex between the wakeup in unlock() and
220 // this thread actually starting. 231 // this thread actually starting.
221 232
222 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL 233 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL
223 234
224 self->count_mutex(); 235 IF_PROTOCOL_ACTIVE
236 self->count_mutex();
225 237
226 #endif 238 #endif
227 239
228 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_CEILING 240 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_CEILING
229 241
282 } 294 }
283 else 295 else
284 { 296 {
285 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL 297 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL
286 298
287 self->uncount_mutex(); 299 IF_PROTOCOL_ACTIVE
300 self->uncount_mutex();
288 301
289 #endif 302 #endif
290 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_INHERIT 303 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_INHERIT
291 304
292 IF_PROTOCOL_INHERIT 305 IF_PROTOCOL_INHERIT
335 locked = true; 348 locked = true;
336 owner = self; 349 owner = self;
337 350
338 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL 351 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL
339 352
340 self->count_mutex(); 353 IF_PROTOCOL_ACTIVE
354 self->count_mutex();
341 355
342 #endif 356 #endif
343 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_CEILING 357 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_CEILING
344 358
345 IF_PROTOCOL_CEILING 359 IF_PROTOCOL_CEILING
403 417
404 } 418 }
405 419
406 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL 420 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL
407 421
408 owner->uncount_mutex(); 422 IF_PROTOCOL_ACTIVE
423 owner->uncount_mutex();
409 424
410 #endif 425 #endif
411 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_INHERIT 426 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_INHERIT
412 427
413 IF_PROTOCOL_INHERIT 428 IF_PROTOCOL_INHERIT