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-rw-r--r--kernel/sched/completion.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/kernel/sched/completion.c b/kernel/sched/completion.c
index a778554f9dad..d57a5c1c1cd9 100644
--- a/kernel/sched/completion.c
+++ b/kernel/sched/completion.c
@@ -1,4 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
+
/*
* Generic wait-for-completion handler;
*
@@ -11,7 +12,6 @@
* typically be used for exclusion which gives rise to priority inversion.
* Waiting for completion is a typically sync point, but not an exclusion point.
*/
-#include "sched.h"
/**
* complete: - signals a single thread waiting on this completion
@@ -204,6 +204,7 @@ EXPORT_SYMBOL(wait_for_completion_io_timeout);
int __sched wait_for_completion_interruptible(struct completion *x)
{
long t = wait_for_common(x, MAX_SCHEDULE_TIMEOUT, TASK_INTERRUPTIBLE);
+
if (t == -ERESTARTSYS)
return t;
return 0;
@@ -241,12 +242,23 @@ EXPORT_SYMBOL(wait_for_completion_interruptible_timeout);
int __sched wait_for_completion_killable(struct completion *x)
{
long t = wait_for_common(x, MAX_SCHEDULE_TIMEOUT, TASK_KILLABLE);
+
if (t == -ERESTARTSYS)
return t;
return 0;
}
EXPORT_SYMBOL(wait_for_completion_killable);
+int __sched wait_for_completion_state(struct completion *x, unsigned int state)
+{
+ long t = wait_for_common(x, MAX_SCHEDULE_TIMEOUT, state);
+
+ if (t == -ERESTARTSYS)
+ return t;
+ return 0;
+}
+EXPORT_SYMBOL(wait_for_completion_state);
+
/**
* wait_for_completion_killable_timeout: - waits for completion of a task (w/(to,killable))
* @x: holds the state of this particular completion