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authorJustus Winter <4winter@informatik.uni-hamburg.de>2015-08-16 02:18:47 +0200
committerJustus Winter <4winter@informatik.uni-hamburg.de>2015-08-16 02:19:38 +0200
commit80ffa7de3147b27c82667a7e2224439f92106f92 (patch)
treef4af5eae93780a12306c9026cfd381d8d7b33a4b /ipc/ipc_object.h
parent03955afa0a3cc6e9dece39ec631ce3744b1b08ba (diff)
codify locking contractspmm-2015-08-16
Diffstat (limited to 'ipc/ipc_object.h')
-rw-r--r--ipc/ipc_object.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/ipc/ipc_object.h b/ipc/ipc_object.h
index 8504a23..e43c7d2 100644
--- a/ipc/ipc_object.h
+++ b/ipc/ipc_object.h
@@ -89,6 +89,7 @@ extern struct kmem_cache ipc_object_caches[IOT_NUMBER];
#define io_lock(io) lock_write(&(io)->io_lock_data)
#define io_lock_try(io) lock_try_write(&(io)->io_lock_data)
#define io_unlock(io) lock_write_done(&(io)->io_lock_data)
+#define have_io_lock(io) have_write_lock(&(io)->io_lock_data)
#define io_check_unlock(io) \
MACRO_BEGIN \