diff options
author | Thomas Bushnell <thomas@gnu.org> | 1997-02-25 21:28:37 +0000 |
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committer | Thomas Bushnell <thomas@gnu.org> | 1997-02-25 21:28:37 +0000 |
commit | f07a4c844da9f0ecae5bbee1ab94be56505f26f7 (patch) | |
tree | 12b07c7e578fc1a5f53dbfde2632408491ff2a70 /include/mach/sa/malloc.h |
Initial source
Diffstat (limited to 'include/mach/sa/malloc.h')
-rw-r--r-- | include/mach/sa/malloc.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/include/mach/sa/malloc.h b/include/mach/sa/malloc.h new file mode 100644 index 0000000..3669046 --- /dev/null +++ b/include/mach/sa/malloc.h @@ -0,0 +1,51 @@ +/* + * Copyright (c) 1994 The University of Utah and + * the Computer Systems Laboratory (CSL). All rights reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS + * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF + * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * CSL requests users of this software to return to csl-dist@cs.utah.edu any + * improvements that they make and grant CSL redistribution rights. + * + * Author: Bryan Ford, University of Utah CSL + */ +#ifndef _MACH_SA_MALLOC_H_ +#define _MACH_SA_MALLOC_H_ + +#include <mach/machine/vm_types.h> +#include <sys/cdefs.h> + +#ifndef _SIZE_T +#define _SIZE_T +typedef natural_t size_t; +#endif + +/* The malloc package in the base C library + is implemented on top of the List Memory Manager, + and the underlying memory pool can be manipulated + directly with the LMM primitives using this lmm structure. */ +extern struct lmm malloc_lmm; + +__BEGIN_DECLS + +void *malloc(size_t size); +void *calloc(size_t nelt, size_t eltsize); +void *realloc(void *buf, size_t new_size); +void free(void *buf); + +/* malloc() and realloc() call this routine when they're about to fail; + it should try to scare up more memory and add it to the malloc_lmm. + Returns nonzero if it succeeds in finding more memory. */ +int morecore(size_t size); + +__END_DECLS + +#endif _MACH_SA_MALLOC_H_ |