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authorMark Johnston <markj@FreeBSD.org>2020-03-06 19:09:01 +0000
committerMark Johnston <markj@FreeBSD.org>2020-03-06 19:09:01 +0000
commitfffcb56f7a7b1ee6fb1a91584ba69b62d133c2d5 (patch)
tree77b799209f34c69f7b4f9f60202c32118bc658fc /sys/sys/counter.h
parentf15ccf8836d9d42b92f999dbd6c4746c9547f8a6 (diff)
downloadsrc-fffcb56f7a7b1ee6fb1a91584ba69b62d133c2d5.tar.gz
src-fffcb56f7a7b1ee6fb1a91584ba69b62d133c2d5.zip
Add COUNTER_U64_SYSINIT() and COUNTER_U64_DEFINE_EARLY().
The aim is to reduce the boilerplate needed today to define and initialize global counters. Also add SI_SUB_COUNTER to the sysinit ordering. Reviewed by: kib MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D23977
Notes
Notes: svn path=/head/; revision=358715
Diffstat (limited to 'sys/sys/counter.h')
-rw-r--r--sys/sys/counter.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/sys/sys/counter.h b/sys/sys/counter.h
index 9960a2c39d8e..3e1b7828d5d4 100644
--- a/sys/sys/counter.h
+++ b/sys/sys/counter.h
@@ -74,5 +74,18 @@ struct counter_rate {
int64_t counter_ratecheck(struct counter_rate *, int64_t);
+#define COUNTER_U64_SYSINIT(c) \
+ SYSINIT(c##_counter_sysinit, SI_SUB_COUNTER, \
+ SI_ORDER_ANY, counter_u64_sysinit, &c); \
+ SYSUNINIT(c##_counter_sysuninit, SI_SUB_COUNTER, \
+ SI_ORDER_ANY, counter_u64_sysuninit, &c)
+
+#define COUNTER_U64_DEFINE_EARLY(c) \
+ counter_u64_t __read_mostly c = EARLY_COUNTER; \
+ COUNTER_U64_SYSINIT(c)
+
+void counter_u64_sysinit(void *);
+void counter_u64_sysuninit(void *);
+
#endif /* _KERNEL */
#endif /* ! __SYS_COUNTER_H__ */