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

Tue Mar 3 03:18:36 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_144130

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

The `<sys/bitset.h>` is used by `<sys/cpuset.h>` which is used by `<sys/_pthreadtypes.h>` which is used by `<pthread.h>`. In RTEMS, the bitset support is used to implement these APIs defined by headers in Newlib. I really don't know why fixing a simple integer type issue results now in such a discussion on principle grounds.

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1096#note_144130
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