nkeynes@185 | 1 | /* malloc.h -- header file for memory routines. */
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nkeynes@185 | 2 |
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nkeynes@185 | 3 | #ifndef _INCLUDE_MALLOC_H_
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nkeynes@185 | 4 | #define _INCLUDE_MALLOC_H_
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nkeynes@185 | 5 |
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nkeynes@185 | 6 | #include <_ansi.h>
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nkeynes@185 | 7 | #include <sys/reent.h>
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nkeynes@185 | 8 |
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nkeynes@185 | 9 | #define __need_size_t
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nkeynes@185 | 10 | #include <stddef.h>
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nkeynes@185 | 11 |
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nkeynes@185 | 12 | #ifdef __cplusplus
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nkeynes@185 | 13 | extern "C" {
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nkeynes@185 | 14 | #endif
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nkeynes@185 | 15 |
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nkeynes@185 | 16 | /* This version of struct mallinfo must match the one in
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nkeynes@185 | 17 | libc/stdlib/mallocr.c. */
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nkeynes@185 | 18 |
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nkeynes@185 | 19 | struct mallinfo {
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nkeynes@185 | 20 | int arena; /* total space allocated from system */
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nkeynes@185 | 21 | int ordblks; /* number of non-inuse chunks */
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nkeynes@185 | 22 | int smblks; /* unused -- always zero */
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nkeynes@185 | 23 | int hblks; /* number of mmapped regions */
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nkeynes@185 | 24 | int hblkhd; /* total space in mmapped regions */
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nkeynes@185 | 25 | int usmblks; /* unused -- always zero */
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nkeynes@185 | 26 | int fsmblks; /* unused -- always zero */
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nkeynes@185 | 27 | int uordblks; /* total allocated space */
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nkeynes@185 | 28 | int fordblks; /* total non-inuse space */
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nkeynes@185 | 29 | int keepcost; /* top-most, releasable (via malloc_trim) space */
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nkeynes@185 | 30 | };
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nkeynes@185 | 31 |
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nkeynes@185 | 32 | /* The routines. */
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nkeynes@185 | 33 |
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nkeynes@185 | 34 | extern _PTR malloc _PARAMS ((size_t));
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nkeynes@185 | 35 | extern _PTR _malloc_r _PARAMS ((struct _reent *, size_t));
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nkeynes@185 | 36 |
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nkeynes@185 | 37 | extern _VOID free _PARAMS ((_PTR));
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nkeynes@185 | 38 | extern _VOID _free_r _PARAMS ((struct _reent *, _PTR));
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nkeynes@185 | 39 |
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nkeynes@185 | 40 | extern _PTR realloc _PARAMS ((_PTR, size_t));
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nkeynes@185 | 41 | extern _PTR _realloc_r _PARAMS ((struct _reent *, _PTR, size_t));
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nkeynes@185 | 42 |
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nkeynes@185 | 43 | extern _PTR calloc _PARAMS ((size_t, size_t));
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nkeynes@185 | 44 | extern _PTR _calloc_r _PARAMS ((struct _reent *, size_t, size_t));
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nkeynes@185 | 45 |
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nkeynes@185 | 46 | extern _PTR memalign _PARAMS ((size_t, size_t));
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nkeynes@185 | 47 | extern _PTR _memalign_r _PARAMS ((struct _reent *, size_t, size_t));
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nkeynes@185 | 48 |
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nkeynes@185 | 49 | extern struct mallinfo mallinfo _PARAMS ((void));
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nkeynes@185 | 50 | extern struct mallinfo _mallinfo_r _PARAMS ((struct _reent *));
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nkeynes@185 | 51 |
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nkeynes@185 | 52 | extern void malloc_stats _PARAMS ((void));
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nkeynes@185 | 53 | extern void _malloc_stats_r _PARAMS ((struct _reent *));
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nkeynes@185 | 54 |
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nkeynes@185 | 55 | extern int mallopt _PARAMS ((int, int));
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nkeynes@185 | 56 | extern int _mallopt_r _PARAMS ((struct _reent *, int, int));
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nkeynes@185 | 57 |
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nkeynes@185 | 58 | extern size_t malloc_usable_size _PARAMS ((_PTR));
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nkeynes@185 | 59 | extern size_t _malloc_usable_size_r _PARAMS ((struct _reent *, _PTR));
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nkeynes@185 | 60 |
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nkeynes@185 | 61 | /* These aren't too useful on an embedded system, but we define them
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nkeynes@185 | 62 | anyhow. */
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nkeynes@185 | 63 |
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nkeynes@185 | 64 | extern _PTR valloc _PARAMS ((size_t));
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nkeynes@185 | 65 | extern _PTR _valloc_r _PARAMS ((struct _reent *, size_t));
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nkeynes@185 | 66 |
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nkeynes@185 | 67 | extern _PTR pvalloc _PARAMS ((size_t));
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nkeynes@185 | 68 | extern _PTR _pvalloc_r _PARAMS ((struct _reent *, size_t));
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nkeynes@185 | 69 |
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nkeynes@185 | 70 | extern int malloc_trim _PARAMS ((size_t));
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nkeynes@185 | 71 | extern int _malloc_trim_r _PARAMS ((struct _reent *, size_t));
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nkeynes@185 | 72 |
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nkeynes@185 | 73 | /* Some systems provide this, so do too for compatibility. */
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nkeynes@185 | 74 |
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nkeynes@185 | 75 | extern void cfree _PARAMS ((_PTR));
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nkeynes@185 | 76 |
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nkeynes@185 | 77 | /* A compatibility routine for an earlier version of the allocator. */
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nkeynes@185 | 78 |
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nkeynes@185 | 79 | extern _VOID mstats _PARAMS ((char *));
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nkeynes@185 | 80 | extern _VOID _mstats_r _PARAMS ((struct _reent *, char *));
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nkeynes@185 | 81 |
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nkeynes@185 | 82 | #ifdef __CYGWIN32__
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nkeynes@185 | 83 |
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nkeynes@185 | 84 | /* Cygwin32 needs to be able to copy all the malloc information from
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nkeynes@185 | 85 | the parent to the child. However, cygwin32 does not normally copy
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nkeynes@185 | 86 | any data in the DLL data section. This routine handles copying
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nkeynes@185 | 87 | that information. */
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nkeynes@185 | 88 |
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nkeynes@185 | 89 | extern int __malloc_copy _PARAMS ((int (*) (void *, void *, void *, int),
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nkeynes@185 | 90 | void *, int));
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nkeynes@185 | 91 | #endif /* __CYGWIN32 */
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nkeynes@185 | 92 |
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nkeynes@185 | 93 | #ifdef __cplusplus
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nkeynes@185 | 94 | }
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nkeynes@185 | 95 | #endif
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nkeynes@185 | 96 |
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nkeynes@185 | 97 | #endif /* _INCLUDE_MALLOC_H_ */
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