[src/trunk]: src/sys/external/bsd/common/include/linux linux: wait_for_comple...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/efff88a466a9
branches:  trunk
changeset: 1028877:efff88a466a9
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sun Dec 19 12:22:56 2021 +0000

description:
linux: wait_for_completion

diffstat:

 sys/external/bsd/common/include/linux/completion.h |  13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)

diffs (27 lines):

diff -r f34ef2512b66 -r efff88a466a9 sys/external/bsd/common/include/linux/completion.h
--- a/sys/external/bsd/common/include/linux/completion.h        Sun Dec 19 12:22:48 2021 +0000
+++ b/sys/external/bsd/common/include/linux/completion.h        Sun Dec 19 12:22:56 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: completion.h,v 1.10 2021/12/19 01:57:42 riastradh Exp $        */
+/*     $NetBSD: completion.h,v 1.11 2021/12/19 12:22:56 riastradh Exp $        */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -306,6 +306,17 @@
        return wait_for_completion_interruptible(completion);
 }
 
+static inline void
+wait_for_completion(struct completion *completion)
+{
+
+       mutex_enter(&completion->c_lock);
+       while (completion->c_done == 0)
+               cv_wait(&completion->c_cv, &completion->c_lock);
+       _completion_claim(completion);
+       mutex_exit(&completion->c_lock);
+}
+
 /*
  * Try to claim a completion immediately.  Return true on success, false
  * if it would block.