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| author | dchagin <dchagin@FreeBSD.org> | 2014-12-13 21:00:10 +0000 |
|---|---|---|
| committer | dchagin <dchagin@FreeBSD.org> | 2014-12-13 21:00:10 +0000 |
| commit | 6f2b57128c8cdb88f2777eed3c99e866c3c53e04 (patch) | |
| tree | 953adb99f01e8d4c4fb2634bbc85b752a2c305b1 /sys/sys/lock.h | |
| parent | 7b50e3bb4b97cc0c655bf237c04e5caff51c5960 (diff) | |
| download | FreeBSD-src-6f2b57128c8cdb88f2777eed3c99e866c3c53e04.zip FreeBSD-src-6f2b57128c8cdb88f2777eed3c99e866c3c53e04.tar.gz | |
Add _NEW flag to mtx(9), sx(9), rmlock(9) and rwlock(9).
A _NEW flag passed to _init_flags() to avoid check for double-init.
Differential Revision: https://reviews.freebsd.org/D1208
Reviewed by: jhb, wblock
MFC after: 1 Month
Diffstat (limited to 'sys/sys/lock.h')
| -rw-r--r-- | sys/sys/lock.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/sys/lock.h b/sys/sys/lock.h index e4b573a..8d7a068 100644 --- a/sys/sys/lock.h +++ b/sys/sys/lock.h @@ -84,6 +84,7 @@ struct lock_class { #define LO_IS_VNODE 0x00800000 /* Tell WITNESS about a VNODE lock */ #define LO_CLASSMASK 0x0f000000 /* Class index bitmask. */ #define LO_NOPROFILE 0x10000000 /* Don't profile this lock */ +#define LO_NEW 0x20000000 /* Don't check for double-init */ /* * Lock classes are statically assigned an index into the gobal lock_classes |
