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authorjhibbits <jhibbits@FreeBSD.org>2016-02-20 01:32:58 +0000
committerjhibbits <jhibbits@FreeBSD.org>2016-02-20 01:32:58 +0000
commitf8385663eeba2c10cd82a51c0a461a4f932458a3 (patch)
tree1d99680c416ab999716f7e3fb78956be8804e81f /sys/sys/rman.h
parent7a33cbc5f75355b9aacc299db55706229c9da4af (diff)
downloadFreeBSD-src-f8385663eeba2c10cd82a51c0a461a4f932458a3.zip
FreeBSD-src-f8385663eeba2c10cd82a51c0a461a4f932458a3.tar.gz
Introduce a RMAN_IS_DEFAULT_RANGE() macro, and use it.
This simplifies checking for default resource range for bus_alloc_resource(), and improves readability. This is part of, and related to, the migration of rman_res_t from u_long to uintmax_t. Discussed with: jhb Suggested by: marcel
Diffstat (limited to 'sys/sys/rman.h')
-rw-r--r--sys/sys/rman.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/sys/rman.h b/sys/sys/rman.h
index 9ea7bba..76db630 100644
--- a/sys/sys/rman.h
+++ b/sys/sys/rman.h
@@ -63,6 +63,8 @@ enum rman_type { RMAN_UNINIT = 0, RMAN_GAUGE, RMAN_ARRAY };
#define RM_MAX_END ((rman_res_t)~0)
+#define RMAN_IS_DEFAULT_RANGE(s,e) ((s) == 0 && (e) == RM_MAX_END)
+
/*
* Userspace-exported structures.
*/
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