Getting Started with QNX Neutrino - QNX Software Systems

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Index © 2009, QNX Software Systems GmbH & Co. KG. message passing 102 process manager 194 process IDs See PIDs process manager channel ID 194 finding 194 node descriptor 194 process ID 194 processing interrupts 171 procnto 84, 193 producer and consumer 60 state analysis 61 and consumer using condvars example 63 pthread_atfork() 35, 36 pthread_attr_destroy() 37, 38 pthread_attr_getdetachstate() 38 pthread_attr_getguardsize() 38 pthread_attr_getinheritsched() 38 pthread_attr_getschedparam() 38 pthread_attr_getschedpolicy() 38 pthread_attr_getscope() 38 pthread_attr_getstackaddr() 38 pthread_attr_getstacklazy() 38 pthread_attr_getstacksize() 38 pthread_attr_init() 37, 38 pthread_attr_set() family 38 pthread_attr_setdetachstate() 38, 39 pthread_attr_setguardsize() 38 pthread_attr_setinheritsched() 38, 39, 41 pthread_attr_setschedparam() 38, 39, 41 pthread_attr_setschedpolicy() 38, 39, 41 pthread_attr_setscope() 38, 39 pthread_attr_setstackaddr() 38 pthread_attr_setstacklazy() 38 pthread_attr_setstacksize() 38 pthread_attr_t 37 defined 37 pthread_barrier_init() 47 example 47 pthread_barrier_wait() 45, 47, 49, 327 example 47 pthread_cancel() 77, 113 pthread_cond_broadcast() 64 pthread_cond_signal() 64 example 63 pthread_cond_t 64 pthread_cond_wait() 63, 64, 68 example 63 pthread_create() 35, 36, 38, 41, 45, 46, 288 example 41, 43, 47, 63 PTHREAD_EXPLICIT_SCHED 41 pthread_join() 39, 45–47, 49, 77, 163, 164 example 45, 163 explanation 46 non-blocking 164 timeout 164 with timeout 163 pthread_mutex_lock() 64, 69, 288 example 63 pthread_mutex_timedlock() 160, 161 pthread_mutex_unlock() 64, 69 example 63 pthread_rwlock_destroy() 58 pthread_rwlock_init() 58 pthread_rwlock_rdlock() 58, 59 pthread_rwlock_t 58 pthread_rwlock_tryrdlock() 59 pthread_rwlock_unlock() 59 pthread_rwlock_wrlock() 58 pthread_rwlockattr_destroy() 58 pthread_rwlockattr_getpshared() 58 pthread_rwlockattr_init() 58 pthread_rwlockattr_setpshared() 58 pthread_setschedparam() 17, 133 pthread_sleepon_broadcast() 63, 64 pthread_sleepon_lock() 60, 64 example 60, 61 pthread_sleepon_signal() 61, 63, 64 example 61 pthread_sleepon_unlock() 60, 64 example 60, 61 pthread_sleepon_wait() 60, 61, 63, 64 example 61 PTHREAD_STACK_LAZY 40 PTHREAD_STACK_NOTLAZY 40 pthread_t 36, 46 pthreads, defined 331 pulse _PULSE_CODE_UNBLOCK 115 content 114 358 Index April 30, 2009
© 2009, QNX Software Systems GmbH & Co. KG. Index defined 113, 331 example 114, 149, 151–154 excluding messages 116 functions pulse_attach() 206 how to tell from messages 156 MsgReceive() 114 MsgReceivePulse() 114 payload content 114 POSIX 152 range of code member 114 receiving 114 receiving pulses only 116 special 165 struct sigevent 165 synthetic unblock 120 timeout example 149, 151–154 timers 142 using the code member 115 using the value member 115 versus signals 146 pulse_attach() 204, 206 pulse_detach() 204 Q Qnet 10, 98, 125–128, 206 QNX advantages of architecture 7 anecdote 7 applications 7 history of 8 on 8088 CPUs 8 QNX 2 8 QNX 4 8 qnx_name_attach() (QNX 4) 292 qnx_name_locate() (QNX 4) 291, 292 qnx_proxy_attach() (QNX 4) 300 QNX Software Systems 331 website 307 QSS, defined 331 Quantum Software Systems Ltd. 8 queue RUNNING 142 timer 138 timer queue 165 QUNIX 7, 8 R read() 103, 126, 192, 198, 200, 202, 210, 294, 295, 298, 332 readers/writer locks See synchronization READY 24 realtime interrupts 169 priority inversion 130 realtime clock 77 getting and setting 157 interrupts 77 receive ID 95, 100 content 100 defined 331 duplication 119 example of use 96 MsgReply() 95 special use 118 when valid 100 Receive() (QNX 4) 289, 300 receive-blocked 82 diagram 82 receiving a message defined 331 registering pathname 199 relative timer 141, 147, 165 defined 332 example 148, 149, 151–154 rename() 200 rendezvous and thread synchronization 46 repeating timer, defined 332 Reply() (QNX 4) 289 reply-blocked 83 diagram 82 reply-driven model 88, 101 example 89 important subtlety 89 replying to a message, defined 332 resmgr See resource manager April 30, 2009 Index 359
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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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Seeking professional help © 2009,
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Getting Started with QNX Neutrino - QNX Software Systems

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