RTEMS | Use unsigned type for processor masks (!1096)

Sebastian Huber (@sebhub) gitlab at rtems.org
Mon Mar 2 22:30:39 UTC 2026




Sebastian Huber commented on a discussion on cpukit/include/rtems/score/processormaskimpl.h: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1096#note_144060

 >    uint32_t              index
 >  )
 >  {
 > -  long bits = mask->__bits[ index / _BITSET_BITS ];
 > +  unsigned long bits = mask->__bits[ index / _BITSET_BITS ];

This change is related to #4864. Using an unsigned integer for bit fields may result in undefined or implementation-defined behaviour.

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1096#note_144060
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