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| author | Ka Ho Ng <khng@FreeBSD.org> | 2022-10-12 17:47:59 +0000 |
|---|---|---|
| committer | Ka Ho Ng <khng@FreeBSD.org> | 2022-10-12 17:47:59 +0000 |
| commit | 87fa64c569c54c2ec444ada699acde2ada696d97 (patch) | |
| tree | bb7b16f8158514a2d86f253806b639e35bcfc690 | |
| parent | 631bdcf3043c00b90fc29aedb8da91251be2cd8a (diff) | |
refcount.9: Update refcount_acquire(9) description after a67d540832b8
MFC after: 3 days
Sponsored by: Juniper Networks, Inc.
Reviewed by: kib, markj
Differential Revision: https://reviews.freebsd.org/D36943
| -rw-r--r-- | share/man/man9/refcount.9 | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/share/man/man9/refcount.9 b/share/man/man9/refcount.9 index 9171062a70b6..0b5a26d6e3cd 100644 --- a/share/man/man9/refcount.9 +++ b/share/man/man9/refcount.9 @@ -32,7 +32,7 @@ .\" .\" $FreeBSD$ .\" -.Dd November 2, 2020 +.Dd October 12, 2022 .Dt REFCOUNT 9 .Os .Sh NAME @@ -48,7 +48,7 @@ .Fn refcount_init "volatile u_int *count" "u_int value" .Ft u_int .Fn refcount_load "volatile u_int *count" -.Ft void +.Ft u_int .Fn refcount_acquire "volatile u_int *count" .Ft bool .Fn refcount_acquire_checked "volatile u_int *count" @@ -91,6 +91,7 @@ qualifier. The .Fn refcount_acquire function is used to acquire a new reference. +It returns the counter value before the new reference was acquired. The caller is responsible for ensuring that it holds a valid reference while obtaining a new reference. For example, |