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| 3 | /* Copyright (C) 1997 DJ Delorie, see COPYING.DJ for details */ |
3 | /* Copyright (C) 1997 DJ Delorie, see COPYING.DJ for details */ |
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| 4 | 4 | ||
| 5 | #include |
5 | #include |
| 6 | #include |
6 | #include |
| 7 | #include |
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| 8 | #include |
7 | #include |
| 9 | 8 | ||
| 10 | typedef struct BLOCK { |
9 | typedef struct BLOCK { |
| 11 | size_t size; |
10 | size_t size; |
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| 21 | 20 | ||
| 22 | #define NUMSMALL 0 |
21 | #define NUMSMALL 0 |
| 23 | #define ALIGN 8 |
22 | #define ALIGN 8 |
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| 24 | #define SMALL (NUMSMALL*ALIGN) |
23 | #define SMALL (NUMSMALL*ALIGN) |
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| 25 | 24 | ||
| 26 | DECLARE_STATIC_SEM(malloc_mutex) |
25 | static int malloc_mutex = 0; |
| 27 | 26 | ||
| 28 | static BLOCK *slop = 0; |
27 | static BLOCK *slop = 0; |
| 29 | static BLOCK *freelist[30]; |
28 | static BLOCK *freelist[30]; |
| Line 30... | Line 29... | ||
| 30 | #if NUMSMALL |
29 | #if NUMSMALL |
| 31 | static BLOCK *smallblocks[NUMSMALL]; |
30 | static BLOCK *smallblocks[NUMSMALL]; |
| 32 | #endif |
31 | #endif |
| - | 32 | ||
| 33 | 33 | static inline void malloc_lock(void) |
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| 34 | static inline void malloc_lock(void) |
34 | { |
| 35 | { |
35 | while (__sync_lock_test_and_set(&malloc_mutex, 1)) |
| 36 | sem_lock(&malloc_mutex); |
36 | __menuet__delay100(1); |
| 37 | } |
37 | } |
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| 38 | 38 | ||
| 39 | static inline void malloc_unlock(void) |
39 | static inline void malloc_unlock(void) |