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Diffstat (limited to 'src/include/heap.h')
| -rw-r--r-- | src/include/heap.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/include/heap.h b/src/include/heap.h new file mode 100644 index 000000000..2b25a45e0 --- /dev/null +++ b/src/include/heap.h @@ -0,0 +1,62 @@ +#ifndef HEAP_H +#define HEAP_H + +/* + * Allocate a block with specified (physical) alignment + * + * "align" must be a power of 2. + * + * Note that "align" affects the alignment of the physical address, + * not the virtual address. This is almost certainly what you want. + * + */ +extern void * emalloc ( size_t size, unsigned int align ); + +/* + * Allocate a block, with no particular alignment requirements. + * + */ +static inline void * malloc ( size_t size ) { + return emalloc ( size, sizeof ( void * ) ); +} + +/* + * Allocate all remaining space on the heap + * + */ +extern void * emalloc_all ( size_t *size ); + +/* + * Free a block. + * + * The caller must ensure that the block being freed is the last (most + * recent) block allocated on the heap, otherwise heap corruption will + * occur. + * + */ +extern void efree ( void *ptr ); + +static inline void free ( void *ptr ) { + efree ( ptr ); +} + +/* + * Free all allocated blocks on the heap + * + */ +extern void efree_all ( void ); + +/* + * Resize a block. + * + * The caller must ensure that the block being resized is the last + * (most recent) block allocated on the heap, otherwise heap + * corruption will occur. + * + */ +static inline void * erealloc ( void *ptr, size_t size, unsigned int align ) { + efree ( ptr ); + return emalloc ( size, align ); +} + +#endif /* HEAP_H */ |
