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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* malloc.h -- header file for memory routines. */ |
| 2 | |||
| 3 | #ifndef _INCLUDE_MALLOC_H_ |
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| 4 | #define _INCLUDE_MALLOC_H_ |
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| 5 | |||
| 6 | #include <_ansi.h> |
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| 7 | #include |
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| 8 | |||
| 9 | #define __need_size_t |
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| 10 | #include |
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| 11 | |||
| 12 | /* include any machine-specific extensions */ |
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| 13 | #include |
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| 14 | |||
| 15 | #ifdef __cplusplus |
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| 16 | extern "C" { |
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| 17 | #endif |
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| 18 | |||
| 19 | /* This version of struct mallinfo must match the one in |
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| 20 | libc/stdlib/mallocr.c. */ |
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| 21 | |||
| 22 | struct mallinfo { |
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| 4921 | Serge | 23 | size_t arena; /* total space allocated from system */ |
| 24 | size_t ordblks; /* number of non-inuse chunks */ |
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| 25 | size_t smblks; /* unused -- always zero */ |
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| 26 | size_t hblks; /* number of mmapped regions */ |
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| 27 | size_t hblkhd; /* total space in mmapped regions */ |
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| 28 | size_t usmblks; /* unused -- always zero */ |
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| 29 | size_t fsmblks; /* unused -- always zero */ |
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| 30 | size_t uordblks; /* total allocated space */ |
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| 31 | size_t fordblks; /* total non-inuse space */ |
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| 32 | size_t keepcost; /* top-most, releasable (via malloc_trim) space */ |
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| 4349 | Serge | 33 | }; |
| 34 | |||
| 35 | /* The routines. */ |
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| 36 | |||
| 37 | extern _PTR malloc _PARAMS ((size_t)); |
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| 38 | #ifdef __CYGWIN__ |
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| 39 | #undef _malloc_r |
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| 40 | #define _malloc_r(r, s) malloc (s) |
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| 41 | #else |
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| 42 | extern _PTR _malloc_r _PARAMS ((struct _reent *, size_t)); |
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| 43 | #endif |
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| 44 | |||
| 45 | extern _VOID free _PARAMS ((_PTR)); |
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| 46 | #ifdef __CYGWIN__ |
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| 47 | #undef _free_r |
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| 48 | #define _free_r(r, p) free (p) |
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| 49 | #else |
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| 50 | extern _VOID _free_r _PARAMS ((struct _reent *, _PTR)); |
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| 51 | #endif |
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| 52 | |||
| 53 | extern _PTR realloc _PARAMS ((_PTR, size_t)); |
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| 54 | #ifdef __CYGWIN__ |
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| 55 | #undef _realloc_r |
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| 56 | #define _realloc_r(r, p, s) realloc (p, s) |
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| 57 | #else |
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| 58 | extern _PTR _realloc_r _PARAMS ((struct _reent *, _PTR, size_t)); |
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| 59 | #endif |
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| 60 | |||
| 61 | extern _PTR calloc _PARAMS ((size_t, size_t)); |
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| 62 | #ifdef __CYGWIN__ |
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| 63 | #undef _calloc_r |
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| 64 | #define _calloc_r(r, s1, s2) calloc (s1, s2); |
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| 65 | #else |
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| 66 | extern _PTR _calloc_r _PARAMS ((struct _reent *, size_t, size_t)); |
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| 67 | #endif |
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| 68 | |||
| 69 | extern _PTR memalign _PARAMS ((size_t, size_t)); |
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| 70 | #ifdef __CYGWIN__ |
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| 71 | #undef _memalign_r |
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| 72 | #define _memalign_r(r, s1, s2) memalign (s1, s2); |
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| 73 | #else |
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| 74 | extern _PTR _memalign_r _PARAMS ((struct _reent *, size_t, size_t)); |
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| 75 | #endif |
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| 76 | |||
| 77 | extern struct mallinfo mallinfo _PARAMS ((void)); |
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| 78 | #ifdef __CYGWIN__ |
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| 79 | #undef _mallinfo_r |
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| 80 | #define _mallinfo_r(r) mallinfo () |
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| 81 | #else |
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| 82 | extern struct mallinfo _mallinfo_r _PARAMS ((struct _reent *)); |
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| 83 | #endif |
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| 84 | |||
| 85 | extern void malloc_stats _PARAMS ((void)); |
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| 86 | #ifdef __CYGWIN__ |
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| 87 | #undef _malloc_stats_r |
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| 88 | #define _malloc_stats_r(r) malloc_stats () |
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| 89 | #else |
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| 90 | extern void _malloc_stats_r _PARAMS ((struct _reent *)); |
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| 91 | #endif |
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| 92 | |||
| 93 | extern int mallopt _PARAMS ((int, int)); |
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| 94 | #ifdef __CYGWIN__ |
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| 95 | #undef _mallopt_r |
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| 96 | #define _mallopt_r(i1, i2) mallopt (i1, i2) |
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| 97 | #else |
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| 98 | extern int _mallopt_r _PARAMS ((struct _reent *, int, int)); |
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| 99 | #endif |
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| 100 | |||
| 101 | extern size_t malloc_usable_size _PARAMS ((_PTR)); |
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| 102 | #ifdef __CYGWIN__ |
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| 103 | #undef _malloc_usable_size_r |
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| 104 | #define _malloc_usable_size_r(r, p) malloc_usable_size (p) |
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| 105 | #else |
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| 106 | extern size_t _malloc_usable_size_r _PARAMS ((struct _reent *, _PTR)); |
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| 107 | #endif |
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| 108 | |||
| 109 | /* These aren't too useful on an embedded system, but we define them |
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| 110 | anyhow. */ |
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| 111 | |||
| 112 | extern _PTR valloc _PARAMS ((size_t)); |
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| 113 | #ifdef __CYGWIN__ |
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| 114 | #undef _valloc_r |
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| 115 | #define _valloc_r(r, s) valloc (s) |
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| 116 | #else |
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| 117 | extern _PTR _valloc_r _PARAMS ((struct _reent *, size_t)); |
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| 118 | #endif |
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| 119 | |||
| 120 | extern _PTR pvalloc _PARAMS ((size_t)); |
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| 121 | #ifdef __CYGWIN__ |
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| 122 | #undef _pvalloc_r |
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| 123 | #define _pvalloc_r(r, s) pvalloc (s) |
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| 124 | #else |
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| 125 | extern _PTR _pvalloc_r _PARAMS ((struct _reent *, size_t)); |
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| 126 | #endif |
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| 127 | |||
| 128 | extern int malloc_trim _PARAMS ((size_t)); |
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| 129 | #ifdef __CYGWIN__ |
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| 130 | #undef _malloc_trim_r |
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| 131 | #define _malloc_trim_r(r, s) malloc_trim (s) |
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| 132 | #else |
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| 133 | extern int _malloc_trim_r _PARAMS ((struct _reent *, size_t)); |
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| 134 | #endif |
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| 135 | |||
| 136 | /* A compatibility routine for an earlier version of the allocator. */ |
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| 137 | |||
| 138 | extern _VOID mstats _PARAMS ((char *)); |
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| 139 | #ifdef __CYGWIN__ |
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| 140 | #undef _mstats_r |
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| 141 | #define _mstats_r(r, p) mstats (p) |
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| 142 | #else |
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| 143 | extern _VOID _mstats_r _PARAMS ((struct _reent *, char *)); |
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| 144 | #endif |
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| 145 | |||
| 146 | /* SVID2/XPG mallopt options */ |
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| 147 | |||
| 148 | #define M_MXFAST 1 /* UNUSED in this malloc */ |
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| 149 | #define M_NLBLKS 2 /* UNUSED in this malloc */ |
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| 150 | #define M_GRAIN 3 /* UNUSED in this malloc */ |
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| 151 | #define M_KEEP 4 /* UNUSED in this malloc */ |
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| 152 | |||
| 153 | /* mallopt options that actually do something */ |
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| 154 | |||
| 155 | #define M_TRIM_THRESHOLD -1 |
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| 156 | #define M_TOP_PAD -2 |
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| 157 | #define M_MMAP_THRESHOLD -3 |
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| 158 | #define M_MMAP_MAX -4 |
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| 159 | |||
| 160 | #ifndef __CYGWIN__ |
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| 161 | /* Some systems provide this, so do too for compatibility. */ |
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| 162 | extern void cfree _PARAMS ((_PTR)); |
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| 163 | #endif /* __CYGWIN__ */ |
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| 164 | |||
| 165 | #ifdef __cplusplus |
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| 166 | } |
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| 167 | #endif |
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| 168 | |||
| 169 | #endif /* _INCLUDE_MALLOC_H_ */ |