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</o:shapelayout></xml><![endif]--></head><body lang=RU link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>Hello.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I am trying to get state of my binary semaphore. I need state, because I release semaphore at my interrupt handler (If semaphore didn’t obtained, I must print error). <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I found similar sample in testsuites (sptests/spincritical06).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Times New Roman","serif"'>uint32_t getState(rtems_id Semaphore)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Times New Roman","serif"'>{<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Times New Roman","serif"'> Objects_Locations location;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Times New Roman","serif"'> Semaphore_Control *sem;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Times New Roman","serif"'> CORE_mutex_Control *the_mutex;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Times New Roman","serif"'> sem = (Semaphore_Control *)_Objects_Get(<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Times New Roman","serif"'> &_Semaphore_Information, Semaphore, &location );<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Times New Roman","serif"'> if ( location != OBJECTS_LOCAL ) {<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Times New Roman","serif"'> printf( "Bad object lookup", location);<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Times New Roman","serif"'> }<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><p class=MsoNormal style='text-indent:35.4pt'><span lang=EN-US style='font-family:"Times New Roman","serif"'>the_mutex = &sem->Core_control.mutex;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>…<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Print(“lock %x\n”, </span><span lang=EN-US style='font-family:"Times New Roman","serif"'>the_mutex->lock);</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>}<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>At my interrupt handler I print elements of structure </span><span lang=EN-US style='font-family:"Times New Roman","serif"'>CORE_mutex_Control:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Times New Roman","serif"'>typedef struct {<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Times New Roman","serif"'>…<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>uint32_t lock;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> uint32_t nest_count;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> uint32_t blocked_count;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>…<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>} CORE_mutex_Control;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>At all variants:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>nest_count = 1<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lock = 0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>blocked count increase after every rtems_semaphore_send.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Elements don’t change after rtems_semaphore_release<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Please, help me. How to get real state?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Evgeniy<o:p></o:p></span></p></div></body></html>