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| author | Justus Winter <4winter@informatik.uni-hamburg.de> | 2015-07-18 01:26:22 +0200 |
|---|---|---|
| committer | Justus Winter <4winter@informatik.uni-hamburg.de> | 2015-09-14 14:45:05 +0200 |
| commit | 2bd61938337659b6afb05dba595324a6f76b5a4c (patch) | |
| tree | 011b6f62395e1b0ce2ed9badf6ac0b46db9d980b | |
| parent | 645b0d0aea30155bb1914678c6202cca06d5a9e3 (diff) | |
kern/lock: add lock_taken
* kern/lock.h (lock_taken): New macro.
| -rw-r--r-- | kern/lock.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kern/lock.h b/kern/lock.h index 2781a48..74cd933 100644 --- a/kern/lock.h +++ b/kern/lock.h @@ -202,6 +202,7 @@ extern boolean_t lock_try_read_to_write(lock_t); #define lock_read_done(l) lock_done(l) #define lock_write_done(l) lock_done(l) +#define lock_taken(l) ((l)->want_write || (l)->read_count) extern void lock_set_recursive(lock_t); extern void lock_clear_recursive(lock_t); |