diff options
Diffstat (limited to 'include/linux/completion.h')
-rw-r--r-- | include/linux/completion.h | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/include/linux/completion.h b/include/linux/completion.h index 22c33e35bcb2..5d5aaae3af43 100644 --- a/include/linux/completion.h +++ b/include/linux/completion.h | |||
@@ -19,8 +19,8 @@ | |||
19 | * | 19 | * |
20 | * See also: complete(), wait_for_completion() (and friends _timeout, | 20 | * See also: complete(), wait_for_completion() (and friends _timeout, |
21 | * _interruptible, _interruptible_timeout, and _killable), init_completion(), | 21 | * _interruptible, _interruptible_timeout, and _killable), init_completion(), |
22 | * and macros DECLARE_COMPLETION(), DECLARE_COMPLETION_ONSTACK(), and | 22 | * reinit_completion(), and macros DECLARE_COMPLETION(), |
23 | * INIT_COMPLETION(). | 23 | * DECLARE_COMPLETION_ONSTACK(). |
24 | */ | 24 | */ |
25 | struct completion { | 25 | struct completion { |
26 | unsigned int done; | 26 | unsigned int done; |
@@ -65,7 +65,7 @@ struct completion { | |||
65 | 65 | ||
66 | /** | 66 | /** |
67 | * init_completion - Initialize a dynamically allocated completion | 67 | * init_completion - Initialize a dynamically allocated completion |
68 | * @x: completion structure that is to be initialized | 68 | * @x: pointer to completion structure that is to be initialized |
69 | * | 69 | * |
70 | * This inline function will initialize a dynamically created completion | 70 | * This inline function will initialize a dynamically created completion |
71 | * structure. | 71 | * structure. |
@@ -76,6 +76,18 @@ static inline void init_completion(struct completion *x) | |||
76 | init_waitqueue_head(&x->wait); | 76 | init_waitqueue_head(&x->wait); |
77 | } | 77 | } |
78 | 78 | ||
79 | /** | ||
80 | * reinit_completion - reinitialize a completion structure | ||
81 | * @x: pointer to completion structure that is to be reinitialized | ||
82 | * | ||
83 | * This inline function should be used to reinitialize a completion structure so it can | ||
84 | * be reused. This is especially important after complete_all() is used. | ||
85 | */ | ||
86 | static inline void reinit_completion(struct completion *x) | ||
87 | { | ||
88 | x->done = 0; | ||
89 | } | ||
90 | |||
79 | extern void wait_for_completion(struct completion *); | 91 | extern void wait_for_completion(struct completion *); |
80 | extern void wait_for_completion_io(struct completion *); | 92 | extern void wait_for_completion_io(struct completion *); |
81 | extern int wait_for_completion_interruptible(struct completion *x); | 93 | extern int wait_for_completion_interruptible(struct completion *x); |
@@ -94,14 +106,4 @@ extern bool completion_done(struct completion *x); | |||
94 | extern void complete(struct completion *); | 106 | extern void complete(struct completion *); |
95 | extern void complete_all(struct completion *); | 107 | extern void complete_all(struct completion *); |
96 | 108 | ||
97 | /** | ||
98 | * INIT_COMPLETION - reinitialize a completion structure | ||
99 | * @x: completion structure to be reinitialized | ||
100 | * | ||
101 | * This macro should be used to reinitialize a completion structure so it can | ||
102 | * be reused. This is especially important after complete_all() is used. | ||
103 | */ | ||
104 | #define INIT_COMPLETION(x) ((x).done = 0) | ||
105 | |||
106 | |||
107 | #endif | 109 | #endif |