Dependencies: keypad SDHCFileSystem mbed FPointer wave_player
scmRTOS/Common/OS_Services.cpp@0:879af6e11219, 2012-02-20 (annotated)
- Committer:
- daryl2110
- Date:
- Mon Feb 20 07:36:06 2012 +0000
- Revision:
- 0:879af6e11219
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
daryl2110 | 0:879af6e11219 | 1 | //****************************************************************************** |
daryl2110 | 0:879af6e11219 | 2 | //* |
daryl2110 | 0:879af6e11219 | 3 | //* FULLNAME: Single-Chip Microcontroller Real-Time Operating System |
daryl2110 | 0:879af6e11219 | 4 | //* |
daryl2110 | 0:879af6e11219 | 5 | //* NICKNAME: scmRTOS |
daryl2110 | 0:879af6e11219 | 6 | //* |
daryl2110 | 0:879af6e11219 | 7 | //* PURPOSE: OS Services Source |
daryl2110 | 0:879af6e11219 | 8 | //* |
daryl2110 | 0:879af6e11219 | 9 | //* Version: 3.10 |
daryl2110 | 0:879af6e11219 | 10 | //* |
daryl2110 | 0:879af6e11219 | 11 | //* $Revision: 256 $ |
daryl2110 | 0:879af6e11219 | 12 | //* $Date:: 2010-01-22 #$ |
daryl2110 | 0:879af6e11219 | 13 | //* |
daryl2110 | 0:879af6e11219 | 14 | //* Copyright (c) 2003-2010, Harry E. Zhurov |
daryl2110 | 0:879af6e11219 | 15 | //* |
daryl2110 | 0:879af6e11219 | 16 | //* Permission is hereby granted, free of charge, to any person |
daryl2110 | 0:879af6e11219 | 17 | //* obtaining a copy of this software and associated documentation |
daryl2110 | 0:879af6e11219 | 18 | //* files (the "Software"), to deal in the Software without restriction, |
daryl2110 | 0:879af6e11219 | 19 | //* including without limitation the rights to use, copy, modify, merge, |
daryl2110 | 0:879af6e11219 | 20 | //* publish, distribute, sublicense, and/or sell copies of the Software, |
daryl2110 | 0:879af6e11219 | 21 | //* and to permit persons to whom the Software is furnished to do so, |
daryl2110 | 0:879af6e11219 | 22 | //* subject to the following conditions: |
daryl2110 | 0:879af6e11219 | 23 | //* |
daryl2110 | 0:879af6e11219 | 24 | //* The above copyright notice and this permission notice shall be included |
daryl2110 | 0:879af6e11219 | 25 | //* in all copies or substantial portions of the Software. |
daryl2110 | 0:879af6e11219 | 26 | //* |
daryl2110 | 0:879af6e11219 | 27 | //* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
daryl2110 | 0:879af6e11219 | 28 | //* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
daryl2110 | 0:879af6e11219 | 29 | //* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
daryl2110 | 0:879af6e11219 | 30 | //* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
daryl2110 | 0:879af6e11219 | 31 | //* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
daryl2110 | 0:879af6e11219 | 32 | //* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH |
daryl2110 | 0:879af6e11219 | 33 | //* THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
daryl2110 | 0:879af6e11219 | 34 | //* |
daryl2110 | 0:879af6e11219 | 35 | //* ================================================================= |
daryl2110 | 0:879af6e11219 | 36 | //* See http://scmrtos.sourceforge.net for documentation, latest |
daryl2110 | 0:879af6e11219 | 37 | //* information, license and contact details. |
daryl2110 | 0:879af6e11219 | 38 | //* ================================================================= |
daryl2110 | 0:879af6e11219 | 39 | //* |
daryl2110 | 0:879af6e11219 | 40 | //****************************************************************************** |
daryl2110 | 0:879af6e11219 | 41 | |
daryl2110 | 0:879af6e11219 | 42 | #include "scmRTOS.h" |
daryl2110 | 0:879af6e11219 | 43 | |
daryl2110 | 0:879af6e11219 | 44 | using namespace OS; |
daryl2110 | 0:879af6e11219 | 45 | |
daryl2110 | 0:879af6e11219 | 46 | //------------------------------------------------------------------------------ |
daryl2110 | 0:879af6e11219 | 47 | // |
daryl2110 | 0:879af6e11219 | 48 | // |
daryl2110 | 0:879af6e11219 | 49 | // TEventFlag |
daryl2110 | 0:879af6e11219 | 50 | // |
daryl2110 | 0:879af6e11219 | 51 | // |
daryl2110 | 0:879af6e11219 | 52 | bool OS::TEventFlag::Wait(TTimeout timeout) |
daryl2110 | 0:879af6e11219 | 53 | { |
daryl2110 | 0:879af6e11219 | 54 | TCritSect cs; |
daryl2110 | 0:879af6e11219 | 55 | |
daryl2110 | 0:879af6e11219 | 56 | if(Value) // if flag already signaled |
daryl2110 | 0:879af6e11219 | 57 | { |
daryl2110 | 0:879af6e11219 | 58 | Value = efOff; // clear flag |
daryl2110 | 0:879af6e11219 | 59 | return true; |
daryl2110 | 0:879af6e11219 | 60 | } |
daryl2110 | 0:879af6e11219 | 61 | else |
daryl2110 | 0:879af6e11219 | 62 | { |
daryl2110 | 0:879af6e11219 | 63 | TBaseProcess* p = Kernel.ProcessTable[Kernel.CurProcPriority]; |
daryl2110 | 0:879af6e11219 | 64 | p->Timeout = timeout; |
daryl2110 | 0:879af6e11219 | 65 | TProcessMap PrioTag = GetPrioTag(Kernel.CurProcPriority); |
daryl2110 | 0:879af6e11219 | 66 | |
daryl2110 | 0:879af6e11219 | 67 | SetPrioTag(ProcessMap, PrioTag); // put current process to the wait map |
daryl2110 | 0:879af6e11219 | 68 | ClrPrioTag(Kernel.ReadyProcessMap, PrioTag); // remove current process from the ready map |
daryl2110 | 0:879af6e11219 | 69 | |
daryl2110 | 0:879af6e11219 | 70 | Kernel.Scheduler(); |
daryl2110 | 0:879af6e11219 | 71 | |
daryl2110 | 0:879af6e11219 | 72 | p->Timeout = 0; |
daryl2110 | 0:879af6e11219 | 73 | |
daryl2110 | 0:879af6e11219 | 74 | if( !(ProcessMap & PrioTag) ) // if waked up by signal() or signal_ISR() |
daryl2110 | 0:879af6e11219 | 75 | return true; |
daryl2110 | 0:879af6e11219 | 76 | |
daryl2110 | 0:879af6e11219 | 77 | ClrPrioTag(ProcessMap, PrioTag); // otherwise waked up by timeout or by |
daryl2110 | 0:879af6e11219 | 78 | return false; // OS::ForceWakeUpProcess(), remove process from the wait map |
daryl2110 | 0:879af6e11219 | 79 | } |
daryl2110 | 0:879af6e11219 | 80 | } |
daryl2110 | 0:879af6e11219 | 81 | //------------------------------------------------------------------------------ |
daryl2110 | 0:879af6e11219 | 82 | void OS::TEventFlag::Signal() |
daryl2110 | 0:879af6e11219 | 83 | { |
daryl2110 | 0:879af6e11219 | 84 | TCritSect cs; |
daryl2110 | 0:879af6e11219 | 85 | if(ProcessMap) // if any process waits for event |
daryl2110 | 0:879af6e11219 | 86 | { |
daryl2110 | 0:879af6e11219 | 87 | TProcessMap Timeouted = Kernel.ReadyProcessMap; // Process has its tag set in ReadyProcessMap if timeout expired |
daryl2110 | 0:879af6e11219 | 88 | // or it was waked up by OS::ForceWakeUpProcess() |
daryl2110 | 0:879af6e11219 | 89 | |
daryl2110 | 0:879af6e11219 | 90 | if( ProcessMap & ~Timeouted ) // if any process has to be waked up |
daryl2110 | 0:879af6e11219 | 91 | { |
daryl2110 | 0:879af6e11219 | 92 | SetPrioTag(Kernel.ReadyProcessMap, ProcessMap); // place all waiting processes to the ready map |
daryl2110 | 0:879af6e11219 | 93 | ClrPrioTag(ProcessMap, ~Timeouted); // remove all non-timeouted processes from the waiting map. |
daryl2110 | 0:879af6e11219 | 94 | // Used to check that process waked up by signal() or signalISR() |
daryl2110 | 0:879af6e11219 | 95 | // and not by timeout or OS::ForceWakeUpProcess() |
daryl2110 | 0:879af6e11219 | 96 | Kernel.Scheduler(); |
daryl2110 | 0:879af6e11219 | 97 | return; |
daryl2110 | 0:879af6e11219 | 98 | } |
daryl2110 | 0:879af6e11219 | 99 | } |
daryl2110 | 0:879af6e11219 | 100 | Value = efOn; |
daryl2110 | 0:879af6e11219 | 101 | } |
daryl2110 | 0:879af6e11219 | 102 | //------------------------------------------------------------------------------ |
daryl2110 | 0:879af6e11219 | 103 | |
daryl2110 | 0:879af6e11219 | 104 | //------------------------------------------------------------------------------ |
daryl2110 | 0:879af6e11219 | 105 | // |
daryl2110 | 0:879af6e11219 | 106 | // |
daryl2110 | 0:879af6e11219 | 107 | // TMutex |
daryl2110 | 0:879af6e11219 | 108 | // |
daryl2110 | 0:879af6e11219 | 109 | // |
daryl2110 | 0:879af6e11219 | 110 | void OS::TMutex::Lock() |
daryl2110 | 0:879af6e11219 | 111 | { |
daryl2110 | 0:879af6e11219 | 112 | TCritSect cs; |
daryl2110 | 0:879af6e11219 | 113 | |
daryl2110 | 0:879af6e11219 | 114 | TProcessMap PrioTag = GetPrioTag(Kernel.CurProcPriority); |
daryl2110 | 0:879af6e11219 | 115 | while(ValueTag) |
daryl2110 | 0:879af6e11219 | 116 | { |
daryl2110 | 0:879af6e11219 | 117 | SetPrioTag(ProcessMap, PrioTag); // mutex already locked by another process, put current process to the wait map |
daryl2110 | 0:879af6e11219 | 118 | ClrPrioTag(Kernel.ReadyProcessMap, PrioTag); // remove current process from the ready map |
daryl2110 | 0:879af6e11219 | 119 | |
daryl2110 | 0:879af6e11219 | 120 | Kernel.Scheduler(); |
daryl2110 | 0:879af6e11219 | 121 | } |
daryl2110 | 0:879af6e11219 | 122 | ValueTag = PrioTag; // mutex has been successfully locked |
daryl2110 | 0:879af6e11219 | 123 | } |
daryl2110 | 0:879af6e11219 | 124 | //------------------------------------------------------------------------------ |
daryl2110 | 0:879af6e11219 | 125 | void OS::TMutex::Unlock() |
daryl2110 | 0:879af6e11219 | 126 | { |
daryl2110 | 0:879af6e11219 | 127 | TCritSect cs; |
daryl2110 | 0:879af6e11219 | 128 | |
daryl2110 | 0:879af6e11219 | 129 | TProcessMap PrioTag = GetPrioTag(Kernel.CurProcPriority); |
daryl2110 | 0:879af6e11219 | 130 | if(ValueTag != PrioTag) return; // the only process that had locked mutex can unlock the mutex |
daryl2110 | 0:879af6e11219 | 131 | ValueTag = 0; |
daryl2110 | 0:879af6e11219 | 132 | if(ProcessMap) |
daryl2110 | 0:879af6e11219 | 133 | { |
daryl2110 | 0:879af6e11219 | 134 | byte pr = GetHighPriority(ProcessMap); |
daryl2110 | 0:879af6e11219 | 135 | PrioTag = GetPrioTag(pr); |
daryl2110 | 0:879af6e11219 | 136 | ClrPrioTag(ProcessMap, PrioTag); // remove next ready process from the wait map |
daryl2110 | 0:879af6e11219 | 137 | SetPrioTag(Kernel.ReadyProcessMap, PrioTag); // place next process to the ready map |
daryl2110 | 0:879af6e11219 | 138 | Kernel.Scheduler(); |
daryl2110 | 0:879af6e11219 | 139 | } |
daryl2110 | 0:879af6e11219 | 140 | } |
daryl2110 | 0:879af6e11219 | 141 | //------------------------------------------------------------------------------ |
daryl2110 | 0:879af6e11219 | 142 | void OS::TMutex::UnlockISR() |
daryl2110 | 0:879af6e11219 | 143 | { |
daryl2110 | 0:879af6e11219 | 144 | TCritSect cs; |
daryl2110 | 0:879af6e11219 | 145 | |
daryl2110 | 0:879af6e11219 | 146 | ValueTag = 0; |
daryl2110 | 0:879af6e11219 | 147 | if(ProcessMap) |
daryl2110 | 0:879af6e11219 | 148 | { |
daryl2110 | 0:879af6e11219 | 149 | byte pr = GetHighPriority(ProcessMap); |
daryl2110 | 0:879af6e11219 | 150 | TProcessMap PrioTag = GetPrioTag(pr); |
daryl2110 | 0:879af6e11219 | 151 | ClrPrioTag(ProcessMap, PrioTag); // remove next ready process from the wait map |
daryl2110 | 0:879af6e11219 | 152 | SetPrioTag(Kernel.ReadyProcessMap, PrioTag); // place next process to the ready map |
daryl2110 | 0:879af6e11219 | 153 | } |
daryl2110 | 0:879af6e11219 | 154 | } |
daryl2110 | 0:879af6e11219 | 155 | //------------------------------------------------------------------------------ |
daryl2110 | 0:879af6e11219 | 156 | |
daryl2110 | 0:879af6e11219 | 157 | |
daryl2110 | 0:879af6e11219 | 158 | //------------------------------------------------------------------------------ |
daryl2110 | 0:879af6e11219 | 159 | // |
daryl2110 | 0:879af6e11219 | 160 | // |
daryl2110 | 0:879af6e11219 | 161 | // TChannel |
daryl2110 | 0:879af6e11219 | 162 | // |
daryl2110 | 0:879af6e11219 | 163 | // |
daryl2110 | 0:879af6e11219 | 164 | void OS::TChannel::CheckWaiters(TProcessMap& pm) |
daryl2110 | 0:879af6e11219 | 165 | { |
daryl2110 | 0:879af6e11219 | 166 | if(pm) |
daryl2110 | 0:879af6e11219 | 167 | { |
daryl2110 | 0:879af6e11219 | 168 | byte pr = GetHighPriority(pm); |
daryl2110 | 0:879af6e11219 | 169 | TProcessMap PrioTag = GetPrioTag(pr); |
daryl2110 | 0:879af6e11219 | 170 | ClrPrioTag(pm, PrioTag); // remove next ready process from the wait map |
daryl2110 | 0:879af6e11219 | 171 | SetPrioTag(Kernel.ReadyProcessMap, PrioTag); // place next process to the ready map |
daryl2110 | 0:879af6e11219 | 172 | Kernel.Scheduler(); |
daryl2110 | 0:879af6e11219 | 173 | } |
daryl2110 | 0:879af6e11219 | 174 | } |
daryl2110 | 0:879af6e11219 | 175 | //------------------------------------------------------------------------------ |
daryl2110 | 0:879af6e11219 | 176 | void OS::TChannel::Push(byte x) |
daryl2110 | 0:879af6e11219 | 177 | { |
daryl2110 | 0:879af6e11219 | 178 | TCritSect cs; |
daryl2110 | 0:879af6e11219 | 179 | |
daryl2110 | 0:879af6e11219 | 180 | while (!Cbuf.get_free_size()) |
daryl2110 | 0:879af6e11219 | 181 | { |
daryl2110 | 0:879af6e11219 | 182 | TProcessMap PrioTag = GetPrioTag(Kernel.CurProcPriority); |
daryl2110 | 0:879af6e11219 | 183 | SetPrioTag (ProducersProcessMap, PrioTag); // channel is full, put current process to the wait map |
daryl2110 | 0:879af6e11219 | 184 | ClrPrioTag(Kernel.ReadyProcessMap, PrioTag); // remove current process from the ready map |
daryl2110 | 0:879af6e11219 | 185 | Kernel.Scheduler(); // wait until waked-up by Pop() or Read() |
daryl2110 | 0:879af6e11219 | 186 | } |
daryl2110 | 0:879af6e11219 | 187 | |
daryl2110 | 0:879af6e11219 | 188 | Cbuf.put(x); |
daryl2110 | 0:879af6e11219 | 189 | CheckWaiters(ConsumersProcessMap); |
daryl2110 | 0:879af6e11219 | 190 | } |
daryl2110 | 0:879af6e11219 | 191 | //------------------------------------------------------------------------------ |
daryl2110 | 0:879af6e11219 | 192 | byte OS::TChannel::Pop() |
daryl2110 | 0:879af6e11219 | 193 | { |
daryl2110 | 0:879af6e11219 | 194 | TCritSect cs; |
daryl2110 | 0:879af6e11219 | 195 | byte x; |
daryl2110 | 0:879af6e11219 | 196 | |
daryl2110 | 0:879af6e11219 | 197 | while(!Cbuf.get_count()) |
daryl2110 | 0:879af6e11219 | 198 | { |
daryl2110 | 0:879af6e11219 | 199 | TProcessMap PrioTag = GetPrioTag(Kernel.CurProcPriority); |
daryl2110 | 0:879af6e11219 | 200 | SetPrioTag(ConsumersProcessMap, PrioTag); // channel is empty, put current process to the wait map |
daryl2110 | 0:879af6e11219 | 201 | ClrPrioTag(Kernel.ReadyProcessMap, PrioTag); // remove current process from the ready map |
daryl2110 | 0:879af6e11219 | 202 | Kernel.Scheduler(); // wait until waked up by Push() or Write() |
daryl2110 | 0:879af6e11219 | 203 | } |
daryl2110 | 0:879af6e11219 | 204 | x = Cbuf.get(); |
daryl2110 | 0:879af6e11219 | 205 | CheckWaiters(ProducersProcessMap); |
daryl2110 | 0:879af6e11219 | 206 | return x; |
daryl2110 | 0:879af6e11219 | 207 | } |
daryl2110 | 0:879af6e11219 | 208 | //------------------------------------------------------------------------------ |
daryl2110 | 0:879af6e11219 | 209 | void OS::TChannel::Write(const byte* data, const byte count) |
daryl2110 | 0:879af6e11219 | 210 | { |
daryl2110 | 0:879af6e11219 | 211 | TCritSect cs; |
daryl2110 | 0:879af6e11219 | 212 | |
daryl2110 | 0:879af6e11219 | 213 | while(Cbuf.get_free_size() < count) |
daryl2110 | 0:879af6e11219 | 214 | { |
daryl2110 | 0:879af6e11219 | 215 | TProcessMap PrioTag = GetPrioTag(Kernel.CurProcPriority); |
daryl2110 | 0:879af6e11219 | 216 | SetPrioTag(ProducersProcessMap, PrioTag); // channel has not enough space, put current process to the wait map |
daryl2110 | 0:879af6e11219 | 217 | ClrPrioTag(Kernel.ReadyProcessMap, PrioTag); // remove current process from the ready map |
daryl2110 | 0:879af6e11219 | 218 | Kernel.Scheduler(); // wait until waked up by Read() or Pop() |
daryl2110 | 0:879af6e11219 | 219 | } |
daryl2110 | 0:879af6e11219 | 220 | |
daryl2110 | 0:879af6e11219 | 221 | Cbuf.write(data, count); |
daryl2110 | 0:879af6e11219 | 222 | CheckWaiters(ConsumersProcessMap); |
daryl2110 | 0:879af6e11219 | 223 | } |
daryl2110 | 0:879af6e11219 | 224 | //------------------------------------------------------------------------------ |
daryl2110 | 0:879af6e11219 | 225 | void OS::TChannel::Read(byte* const data, const byte count) |
daryl2110 | 0:879af6e11219 | 226 | { |
daryl2110 | 0:879af6e11219 | 227 | TCritSect cs; |
daryl2110 | 0:879af6e11219 | 228 | |
daryl2110 | 0:879af6e11219 | 229 | while(Cbuf.get_count() < count) |
daryl2110 | 0:879af6e11219 | 230 | { |
daryl2110 | 0:879af6e11219 | 231 | TProcessMap PrioTag = GetPrioTag(Kernel.CurProcPriority); |
daryl2110 | 0:879af6e11219 | 232 | SetPrioTag(ConsumersProcessMap, PrioTag); // channel doesn't contain enough data, put current process to the wait map |
daryl2110 | 0:879af6e11219 | 233 | ClrPrioTag(Kernel.ReadyProcessMap, PrioTag); // remove current process from the ready map |
daryl2110 | 0:879af6e11219 | 234 | Kernel.Scheduler(); // wait until waked up by Write() or Push() |
daryl2110 | 0:879af6e11219 | 235 | } |
daryl2110 | 0:879af6e11219 | 236 | |
daryl2110 | 0:879af6e11219 | 237 | Cbuf.read(data, count); |
daryl2110 | 0:879af6e11219 | 238 | CheckWaiters(ProducersProcessMap); |
daryl2110 | 0:879af6e11219 | 239 | } |
daryl2110 | 0:879af6e11219 | 240 | //------------------------------------------------------------------------------ |
daryl2110 | 0:879af6e11219 | 241 | |
daryl2110 | 0:879af6e11219 | 242 | //------------------------------------------------------------------------------ |
daryl2110 | 0:879af6e11219 | 243 | // |
daryl2110 | 0:879af6e11219 | 244 | // OS::message template |
daryl2110 | 0:879af6e11219 | 245 | // |
daryl2110 | 0:879af6e11219 | 246 | // Function-members implementation |
daryl2110 | 0:879af6e11219 | 247 | // |
daryl2110 | 0:879af6e11219 | 248 | // |
daryl2110 | 0:879af6e11219 | 249 | //------------------------------------------------------------------------------ |
daryl2110 | 0:879af6e11219 | 250 | bool OS::TBaseMessage::wait(TTimeout timeout) |
daryl2110 | 0:879af6e11219 | 251 | { |
daryl2110 | 0:879af6e11219 | 252 | TCritSect cs; |
daryl2110 | 0:879af6e11219 | 253 | |
daryl2110 | 0:879af6e11219 | 254 | if(NonEmpty) // message alredy send |
daryl2110 | 0:879af6e11219 | 255 | { |
daryl2110 | 0:879af6e11219 | 256 | NonEmpty = false; |
daryl2110 | 0:879af6e11219 | 257 | return true; |
daryl2110 | 0:879af6e11219 | 258 | } |
daryl2110 | 0:879af6e11219 | 259 | else |
daryl2110 | 0:879af6e11219 | 260 | { |
daryl2110 | 0:879af6e11219 | 261 | TBaseProcess* p = Kernel.ProcessTable[Kernel.CurProcPriority]; |
daryl2110 | 0:879af6e11219 | 262 | p->Timeout = timeout; |
daryl2110 | 0:879af6e11219 | 263 | TProcessMap PrioTag = GetPrioTag(Kernel.CurProcPriority); |
daryl2110 | 0:879af6e11219 | 264 | |
daryl2110 | 0:879af6e11219 | 265 | SetPrioTag(ProcessMap, PrioTag); // put current process to the wait map |
daryl2110 | 0:879af6e11219 | 266 | ClrPrioTag(Kernel.ReadyProcessMap, PrioTag); // remove current process from the ready map |
daryl2110 | 0:879af6e11219 | 267 | Kernel.Scheduler(); // wait until wake up |
daryl2110 | 0:879af6e11219 | 268 | |
daryl2110 | 0:879af6e11219 | 269 | p->Timeout = 0; |
daryl2110 | 0:879af6e11219 | 270 | if( !(ProcessMap & PrioTag) ) // if waked up by send() or sendISR() |
daryl2110 | 0:879af6e11219 | 271 | return true; |
daryl2110 | 0:879af6e11219 | 272 | |
daryl2110 | 0:879af6e11219 | 273 | ClrPrioTag(ProcessMap, PrioTag); // otherwise waked up by timeout or by |
daryl2110 | 0:879af6e11219 | 274 | return false; // OS::ForceWakeUpProcess(), remove process from wait map |
daryl2110 | 0:879af6e11219 | 275 | } |
daryl2110 | 0:879af6e11219 | 276 | } |
daryl2110 | 0:879af6e11219 | 277 | //------------------------------------------------------------------------------ |
daryl2110 | 0:879af6e11219 | 278 | void OS::TBaseMessage::send() |
daryl2110 | 0:879af6e11219 | 279 | { |
daryl2110 | 0:879af6e11219 | 280 | TCritSect cs; |
daryl2110 | 0:879af6e11219 | 281 | |
daryl2110 | 0:879af6e11219 | 282 | if(ProcessMap) |
daryl2110 | 0:879af6e11219 | 283 | { |
daryl2110 | 0:879af6e11219 | 284 | TProcessMap Timeouted = Kernel.ReadyProcessMap; // Process has its tag set in ReadyProcessMap if timeout expired, |
daryl2110 | 0:879af6e11219 | 285 | // or it was waked up by OS::ForceWakeUpProcess() |
daryl2110 | 0:879af6e11219 | 286 | if( ProcessMap & ~Timeouted ) // if any process has to be waked up |
daryl2110 | 0:879af6e11219 | 287 | { |
daryl2110 | 0:879af6e11219 | 288 | SetPrioTag(Kernel.ReadyProcessMap, ProcessMap); // place all waiting processes to the ready map |
daryl2110 | 0:879af6e11219 | 289 | ClrPrioTag(ProcessMap, ~Timeouted); // remove all non-timeouted processes from the waiting map. |
daryl2110 | 0:879af6e11219 | 290 | Kernel.Scheduler(); |
daryl2110 | 0:879af6e11219 | 291 | return; |
daryl2110 | 0:879af6e11219 | 292 | } |
daryl2110 | 0:879af6e11219 | 293 | } |
daryl2110 | 0:879af6e11219 | 294 | |
daryl2110 | 0:879af6e11219 | 295 | NonEmpty = true; |
daryl2110 | 0:879af6e11219 | 296 | } |
daryl2110 | 0:879af6e11219 | 297 | //------------------------------------------------------------------------------ |
daryl2110 | 0:879af6e11219 | 298 |