Last change
on this file since 211 was
189,
checked in by alain, 12 years ago
|
Introducing a new release where all initialisation
is done in the boot code.
|
File size:
984 bytes
|
Rev | Line | |
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[159] | 1 | ////////////////////////////////////////////////////////////////////////////////// |
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| 2 | // File : spin_lock.h |
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| 3 | // Date : 01/04/2012 |
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| 4 | // Author : alain greiner |
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| 5 | // Copyright (c) UPMC-LIP6 |
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| 6 | /////////////////////////////////////////////////////////////////////////////////// |
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| 7 | |
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| 8 | #ifndef _GIET_SPIN_LOCK_H_ |
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| 9 | #define _GIET_SPIN_LOCK_H_ |
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| 10 | |
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| 11 | /////////////////////////////////////////////////////////////////////////////////// |
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| 12 | // lock structure |
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| 13 | // This is a simple binary lock (without waiting queue). |
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| 14 | /////////////////////////////////////////////////////////////////////////////////// |
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| 15 | |
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| 16 | typedef struct giet_lock_s { |
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| 17 | char name[32]; // lock name |
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| 18 | unsigned int value; // taken if value != 0 |
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| 19 | } giet_lock_t; |
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| 20 | |
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| 21 | ////////////////////////////////////////////////////////////////////////////// |
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| 22 | // access functions |
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| 23 | ////////////////////////////////////////////////////////////////////////////// |
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| 24 | |
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[165] | 25 | void lock_acquire( giet_lock_t* lock ); |
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[159] | 26 | |
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| 27 | void lock_release( giet_lock_t* lock ); |
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| 28 | |
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| 29 | #endif |
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| 30 | |
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