d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add BIT_AND_ATOMIC() and CPU_AND_ATOMIC().

Browse Source 
Sponsored by:	The FreeBSD Foundation
Reviewed by:	alc
Tested by:	pho, bf
This commit is contained in:
Konstantin Belousov 2013-08-30 07:43:34 +00:00
parent 5f5703ef52
commit a0887a4c2d
2 changed files with 9 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
sys/sys/bitset.h
View File

@ -135,7 +135,14 @@
atomic_set_long(&(p)->__bits[__bitset_word(_s, n)], \
__bitset_mask((_s), n))
/* Convenience functions catering special cases. */
/* Convenience functions catering special cases. */
#define BIT_AND_ATOMIC(_s, d, s) do { \
__size_t __i; \
for (__i = 0; __i < __bitset_words((_s)); __i++) \
atomic_clear_long(&(d)->__bits[__i], \
~(s)->__bits[__i]); \
} while (0)
#define BIT_OR_ATOMIC(_s, d, s) do { \
__size_t __i; \
for (__i = 0; __i < __bitset_words((_s)); __i++) \

1
sys/sys/cpuset.h
View File

@ -55,6 +55,7 @@
#define CPU_NAND(d, s) BIT_NAND(CPU_SETSIZE, d, s)
#define CPU_CLR_ATOMIC(n, p) BIT_CLR_ATOMIC(CPU_SETSIZE, n, p)
#define CPU_SET_ATOMIC(n, p) BIT_SET_ATOMIC(CPU_SETSIZE, n, p)
#define CPU_AND_ATOMIC(n, p) BIT_AND_ATOMIC(CPU_SETSIZE, n, p)
#define CPU_OR_ATOMIC(d, s) BIT_OR_ATOMIC(CPU_SETSIZE, d, s)
#define CPU_COPY_STORE_REL(f, t) BIT_COPY_STORE_REL(CPU_SETSIZE, f, t)
#define CPU_FFS(p) BIT_FFS(CPU_SETSIZE, p)