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| author | Justus Winter <4winter@informatik.uni-hamburg.de> | 2015-08-16 02:18:47 +0200 |
|---|---|---|
| committer | Justus Winter <4winter@informatik.uni-hamburg.de> | 2015-08-16 02:19:38 +0200 |
| commit | 80ffa7de3147b27c82667a7e2224439f92106f92 (patch) | |
| tree | f4af5eae93780a12306c9026cfd381d8d7b33a4b /vm/vm_object.h | |
| parent | 03955afa0a3cc6e9dece39ec631ce3744b1b08ba (diff) | |
codify locking contractspmm-2015-08-16
Diffstat (limited to 'vm/vm_object.h')
| -rw-r--r-- | vm/vm_object.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/vm/vm_object.h b/vm/vm_object.h index 142404a..5805a58 100644 --- a/vm/vm_object.h +++ b/vm/vm_object.h @@ -378,8 +378,9 @@ MACRO_END #define vm_object_sleep(event, object, interruptible) \ thread_sleep_lock((event_t)(event), &(object)->Lock, \ (interruptible)) -#define vm_object_lock_taken(object) lock_taken(&(object)->Lock) #endif /* VM_OBJECT_DEBUG */ +#define have_vm_object_lock(object) \ + (object == NULL || have_write_lock(&(object)->Lock)) /* * Page cache accounting. |