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[176] | 1 | /* -*- C++ -*- */ |
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| 2 | |
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| 3 | #ifndef _SBRKHEAP_H_ |
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| 4 | #define _SBRKHEAP_H_ |
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| 5 | |
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| 6 | #ifdef WIN32 |
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| 7 | |
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| 8 | // If we're using Windows, we'll need to link in sbrk.c, |
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| 9 | // a replacement for sbrk(). |
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| 10 | |
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| 11 | extern "C" void * sbrk (size_t sz); |
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| 12 | |
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| 13 | #endif |
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| 14 | |
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| 15 | /* |
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| 16 | * @class SbrkHeap |
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| 17 | * @brief A source heap that is a thin wrapper over sbrk. |
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| 18 | * |
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| 19 | * As it stands, memory cannot be returned to sbrk(). |
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| 20 | * This is not a significant limitation, since only memory |
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| 21 | * at the end of the break point can ever be returned anyway. |
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| 22 | */ |
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| 23 | |
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| 24 | class SbrkHeap { |
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| 25 | public: |
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| 26 | SbrkHeap (void) |
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| 27 | {} |
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| 28 | |
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| 29 | inline void * malloc (size_t sz) { |
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| 30 | return sbrk(sz); |
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| 31 | } |
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| 32 | |
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| 33 | inline void free (void *) { } |
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| 34 | inline int remove (void *) { return 0; } |
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| 35 | }; |
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| 36 | |
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| 37 | |
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| 38 | |
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| 39 | #endif |
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| 40 | |
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