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cpuset(9): Add CPU_FOREACH_IS(SET|CLR) and modify consumers to use it 

This implementation is faster and doesn't modify the cpuset, so it lets
us avoid some unnecessary copying as well.  No functional change
intended.

This is a re-application of commit
9068f6ea697b1b28ad1326a4c7a9ba86f08b985e.

Reviewed by:	cem, kib, jhb
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D32029
This commit is contained in:
Mark Johnston 2021-09-21 11:36:55 -04:00 committed by Sebastian Huber
parent 27e8401c46
commit 6070714e0f
1 changed files with 2 additions and 0 deletions
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2
newlib/libc/sys/rtems/include/sys/cpuset.h
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@ -62,6 +62,8 @@
#define CPU_COPY_STORE_REL(f, t) BIT_COPY_STORE_REL(CPU_SETSIZE, f, t) #define CPU_COPY_STORE_REL(f, t) BIT_COPY_STORE_REL(CPU_SETSIZE, f, t)
#define CPU_FFS(p) BIT_FFS(CPU_SETSIZE, p) #define CPU_FFS(p) BIT_FFS(CPU_SETSIZE, p)
#define CPU_FLS(p) BIT_FLS(CPU_SETSIZE, p) #define CPU_FLS(p) BIT_FLS(CPU_SETSIZE, p)
#define CPU_FOREACH_ISSET(i, p) BIT_FOREACH_ISSET(CPU_SETSIZE, i, p)
#define CPU_FOREACH_ISCLR(i, p) BIT_FOREACH_ISCLR(CPU_SETSIZE, i, p)
#define CPUSET_FSET BITSET_FSET(_NCPUWORDS) #define CPUSET_FSET BITSET_FSET(_NCPUWORDS)
#define CPUSET_T_INITIALIZER BITSET_T_INITIALIZER #define CPUSET_T_INITIALIZER BITSET_T_INITIALIZER