1.3.5
00001 00008 /* 00009 * The contents of this file are subject to the Mozilla Public License 00010 * Version 1.0 (the "License"); you may not use this file except in 00011 * compliance with the License. You may obtain a copy of the License 00012 * at http://www.mozilla.org/MPL/ 00013 * 00014 * Software distributed under the License is distributed on an "AS IS" 00015 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See 00016 * the License for the specific language governing rights and 00017 * limitations under the License. 00018 * 00019 * The Original Code is legOS code, released October 17, 1999. 00020 * 00021 * The Initial Developer of the Original Code is Markus L. Noga. 00022 * Portions created by Markus L. Noga are Copyright (C) 1999 00023 * Markus L. Noga. All Rights Reserved. 00024 * 00025 * Contributor(s): Joseph A. Woolley <jawoolley@users.sourceforge.net> 00026 */ 00027 00028 #if !defined(__critsec_h__) 00029 #define __critsec_h__ 00030 00031 #if defined(__cplusplus) 00032 extern "C" { 00033 #endif // __cplusplus 00034 00035 #include <config.h> 00036 00037 #if defined(CONF_TM) && defined(CONF_CRITICAL_SECTIONS) 00038 #include <sys/tm.h> 00039 #include <atomic.h> 00040 00041 #ifndef DOXYGEN_SHOULD_SKIP_INTERNALS 00042 00043 00048 struct critsec { 00049 atomic_t count; 00050 tdata_t* task; 00051 }; 00052 #endif // DOXYGEN_SHOULD_SKIP_INTERNALS 00053 00055 typedef struct critsec critsec_t; 00056 00058 00060 #define locked_decrement(counter) atomic_dec(counter) 00061 00063 00069 extern wakeup_t wait_critical_section(wakeup_t data); 00070 00072 00079 #define initialize_critical_section(cs) (cs)->count=0 00080 00082 00090 extern int enter_critical_section(critsec_t* cs); 00091 00093 00101 #define leave_critical_section(cs) atomic_dec(&(cs)->count) 00102 00104 00111 #define destroy_critical_section(cs) 00112 00113 #endif // CONF_TM && CONF_CRITICAL_SECTIONS 00114 00115 #if defined(__cplusplus) 00116 } 00117 #endif // __cplusplus 00118 00119 #endif // __critsec_h__
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brickOS is released under the
Mozilla Public License.
Original code copyright 1998-2002 by the authors. |
1.3.5