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author | Justus Winter <4winter@informatik.uni-hamburg.de> | 2015-07-18 01:26:22 +0200 |
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committer | Justus Winter <4winter@informatik.uni-hamburg.de> | 2015-07-26 12:14:18 +0200 |
commit | 18098f0373c75f40f8be2c9d8eb503cdcdaf20c2 (patch) | |
tree | 2a9d77c2f7fb855727ed420b4d27abe7a30315af | |
parent | 78dd8fcc0678f7afbcecd4138ea260432e329de2 (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 435ee1d..ca7b1db 100644 --- a/kern/lock.h +++ b/kern/lock.h @@ -182,6 +182,7 @@ 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); |