Getting Started with QNX Neutrino - QNX Software Systems

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Index © 2009, QNX Software Systems GmbH & Co. KG. nanospin() 138 ND See node descriptor ND_LOCAL_NODE 130 netmgr_remote_nd() 129 example 129 netmgr_strtond() 129 example 129 network data transfer 97 determining how much data should have been transferred 128 determining how much data was transferred 127 distributed architecture 56 message passing 85, 124, 125 ConnectAttach() differences 126, 127 detailed analysis 125 differences from local 126 MsgDeliverEvent() differences 126, 127 MsgRead() differences 126, 127 MsgReceive() differences 126, 127 MsgReply() differences 126, 127 MsgWrite() differences 126, 127 name resolution 125 overhead 127 remote name resolution 126 message passing transparency 85 netmgr_remote_nd() 129 netmgr_strtond() 129 node descriptor 92 of local node 92 node descriptor of client 99 of SMP systems 86 server 88 using message passing to distribute work 89 versus shared memory 56 Neutrino defined 330 philosophy 86 nice 28 node descriptor 92 129 characteristics 129 contained in struct _msg_info 130 conversion from symbolic name 129 example 129 how to find 102 how to pass within network 129 message passing 102 obtaining remote 129 of local node 92 process manager 194 receiving node’s for transmitting node’s 130 representation of remote 130 transmitting node’s for receiving node’s 130 node ID 128 defined 128 not network unique 128 of self 128 O O_RDONLY 221 O_RDWR 221 O_WRONLY 194, 221 object oriented design via message passing 86 OCB 209 allocating 271 defined 330 extended 270 monitoring 271 one-shot timers 141, 148 example 148 open context block See OCB open() 84, 85, 103, 125–128, 192–198, 200, 209, 291, 292, 299, 328, 330, 332 implementation 193 operating system double standard in conventional 85 message passing vs. traditional 84, 85 microkernel 81 process background 27 creating 28, 29, 34 out*() 187 356 Index April 30, 2009
© 2009, QNX Software Systems GmbH & Co. KG. Index P P_NOWAIT 33, 34 P_NOWAITO 33 P_OVERLAY 33 P_WAIT 32, 33 PATH 32 pathname pollution 103 registering 199 resolving 194 pathname delimiter in QNX documentation pathname space 193 and procnto 193 defined 193 PDP-8 and Neutrino 330 defined 330 periodic timer 141, 148, See also repeating timer example 149 power saving 165 server maintenance 156 servers 149 philosophy of Neutrino 86 physical address defined 331 pidin 42, 82, 83 platforms PDP-8 330 polling for completion of thread 164 timer 156 POOL_FLAG_EXIT_SELF 72 POOL_FLAG_USE_SELF 72, 73 pool, threads See thread POSIX signals 157 POSIX thread See thread power saving 165 pread() 257 printf() 34 priority boosting 132 inversion 130 message passing 103 xiv thread analogy 17 priority inheritance 131 undoing 132, 133 priority inversion 130 defined 131 example 130 fixed by priority inheritance 131 solution 132 starving CPU 132 process abstraction 54 aid to maintainability 26 aid to reliability 27 and threads 55 associating with interrupt handler 178 background 27 child 34, 35 consisting of threads 26 context-switch 27 coupling 54, 55 creating 28, 29, 34 creating from program 28 exec() family 28, 29 fork() 28, 34 spawn() family 28, 29 system() 28 vfork() 28, 35 decoupling 56 decoupling of design 26 defined 331 distributability 56 fork() 34, 35 in system 26 multi-threaded 15 mutex 69 network distributed 56 parent 34, 35 scalability 56 shared memory 55 single-threaded 15 starting 27 starting from shell 27 thread 15, 55 process ID 92 getppid() 102 how to find 102 April 30, 2009 Index 357
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QNX Neutrino RTOS Getting Started w
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Contents About This Guide xi What y
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© 2009, QNX Software Systems GmbH
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List of Figures A process as a cont
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About This Guide April 30, 2009 Abo
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Typographical conventions © 2009,
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Foreword to the First Edition by Pe
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Chapter 2 Message Passing In this c
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Message passing and client/server
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Message passing and client/server
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Multiple threads © 2009, QNX Softw
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Multiple threads © 2009, QNX Softw
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Using message passing © 2009, QNX
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Pulses © 2009, QNX Software System
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Message passing over a network © 2
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Priority inheritance © 2009, QNX S
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Priority inheritance © 2009, QNX S
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Chapter 3 Clocks, Timers, and Getti
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Clocks and timers © 2009, QNX Soft
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Using timers © 2009, QNX Software
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Advanced topics © 2009, QNX Softwa
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Chapter 4 Interrupts In this chapte
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Neutrino and interrupts © 2009, QN
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Writing interrupt handlers © 2009,
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TIME TIME Writing interrupt handler
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Summary © 2009, QNX Software Syste
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Appendix B Calling 911 In this appe
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Getting Started with QNX Neutrino - QNX Software Systems

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