Last change
on this file since 163 was
159,
checked in by alain, 13 years ago
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Introducing the spin_locks / modifying the MWMR channels and the barriers
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File size:
992 bytes
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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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25 | unsigned int lock_acquire( giet_lock_t* lock ); |
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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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