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1408 | serge | 1 | /* |
1964 | serge | 2 | * kref.h - library routines for handling generic reference counted objects |
1408 | serge | 3 | * |
4 | * Copyright (C) 2004 Greg Kroah-Hartman |
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5 | * Copyright (C) 2004 IBM Corp. |
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6 | * |
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7 | * based on kobject.h which was: |
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8 | * Copyright (C) 2002-2003 Patrick Mochel |
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9 | * Copyright (C) 2002-2003 Open Source Development Labs |
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10 | * |
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11 | * This file is released under the GPLv2. |
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12 | * |
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13 | */ |
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14 | |||
15 | #ifndef _KREF_H_ |
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16 | #define _KREF_H_ |
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17 | |||
18 | #include |
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19 | |||
20 | struct kref { |
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21 | atomic_t refcount; |
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22 | }; |
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23 | |||
24 | void kref_init(struct kref *kref); |
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25 | void kref_get(struct kref *kref); |
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26 | int kref_put(struct kref *kref, void (*release) (struct kref *kref)); |
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1970 | serge | 27 | int kref_sub(struct kref *kref, unsigned int count, |
28 | void (*release) (struct kref *kref)); |
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1408 | serge | 29 | |
30 | #endif /* _KREF_H_ */ |