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authorJohn Baldwin <jhb@FreeBSD.org>2001-05-15 23:19:52 +0000
committerJohn Baldwin <jhb@FreeBSD.org>2001-05-15 23:19:52 +0000
commitd58f6ddef7913f92c5fc52291911557391bb0fe6 (patch)
tree7b0d36a42b3ba6250002826f1e6ef1c72bd8cbf1
parentf5d325c599e1ffd48c048b6e1f70791f8801420a (diff)
Notes
-rw-r--r--sys/sys/proc.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/sys/proc.h b/sys/sys/proc.h
index 2d2f1f83f851..d953b1d8ad79 100644
--- a/sys/sys/proc.h
+++ b/sys/sys/proc.h
@@ -447,6 +447,7 @@ sigonstack(size_t sp)
/* Lock and unlock a process. */
#define PROC_LOCK(p) mtx_lock(&(p)->p_mtx)
+#define PROC_TRYLOCK(p) mtx_trylock(&(p)->p_mtx)
#define PROC_UNLOCK(p) mtx_unlock(&(p)->p_mtx)
#define PROC_UNLOCK_NOSWITCH(p) \
mtx_unlock_flags(&(p)->p_mtx, MTX_NOSWITCH)