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169 lines
4.2 KiB
169 lines
4.2 KiB
/* malloc.h -- header file for memory routines. */ |
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#ifndef _INCLUDE_MALLOC_H_ |
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#define _INCLUDE_MALLOC_H_ |
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#include <_ansi.h> |
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#include <sys/reent.h> |
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#define __need_size_t |
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#include <stddef.h> |
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/* include any machine-specific extensions */ |
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#include <machine/malloc.h> |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* This version of struct mallinfo must match the one in |
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libc/stdlib/mallocr.c. */ |
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struct mallinfo { |
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size_t arena; /* total space allocated from system */ |
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size_t ordblks; /* number of non-inuse chunks */ |
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size_t smblks; /* unused -- always zero */ |
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size_t hblks; /* number of mmapped regions */ |
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size_t hblkhd; /* total space in mmapped regions */ |
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size_t usmblks; /* unused -- always zero */ |
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size_t fsmblks; /* unused -- always zero */ |
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size_t uordblks; /* total allocated space */ |
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size_t fordblks; /* total non-inuse space */ |
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size_t keepcost; /* top-most, releasable (via malloc_trim) space */ |
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}; |
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/* The routines. */ |
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extern _PTR malloc _PARAMS ((size_t)); |
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#ifdef __CYGWIN__ |
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#undef _malloc_r |
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#define _malloc_r(r, s) malloc (s) |
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#else |
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extern _PTR _malloc_r _PARAMS ((struct _reent *, size_t)); |
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#endif |
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extern _VOID free _PARAMS ((_PTR)); |
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#ifdef __CYGWIN__ |
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#undef _free_r |
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#define _free_r(r, p) free (p) |
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#else |
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extern _VOID _free_r _PARAMS ((struct _reent *, _PTR)); |
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#endif |
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extern _PTR realloc _PARAMS ((_PTR, size_t)); |
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#ifdef __CYGWIN__ |
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#undef _realloc_r |
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#define _realloc_r(r, p, s) realloc (p, s) |
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#else |
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extern _PTR _realloc_r _PARAMS ((struct _reent *, _PTR, size_t)); |
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#endif |
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extern _PTR calloc _PARAMS ((size_t, size_t)); |
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#ifdef __CYGWIN__ |
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#undef _calloc_r |
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#define _calloc_r(r, s1, s2) calloc (s1, s2); |
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#else |
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extern _PTR _calloc_r _PARAMS ((struct _reent *, size_t, size_t)); |
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#endif |
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extern _PTR memalign _PARAMS ((size_t, size_t)); |
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#ifdef __CYGWIN__ |
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#undef _memalign_r |
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#define _memalign_r(r, s1, s2) memalign (s1, s2); |
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#else |
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extern _PTR _memalign_r _PARAMS ((struct _reent *, size_t, size_t)); |
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#endif |
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extern struct mallinfo mallinfo _PARAMS ((void)); |
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#ifdef __CYGWIN__ |
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#undef _mallinfo_r |
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#define _mallinfo_r(r) mallinfo () |
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#else |
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extern struct mallinfo _mallinfo_r _PARAMS ((struct _reent *)); |
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#endif |
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extern void malloc_stats _PARAMS ((void)); |
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#ifdef __CYGWIN__ |
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#undef _malloc_stats_r |
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#define _malloc_stats_r(r) malloc_stats () |
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#else |
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extern void _malloc_stats_r _PARAMS ((struct _reent *)); |
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#endif |
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extern int mallopt _PARAMS ((int, int)); |
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#ifdef __CYGWIN__ |
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#undef _mallopt_r |
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#define _mallopt_r(i1, i2) mallopt (i1, i2) |
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#else |
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extern int _mallopt_r _PARAMS ((struct _reent *, int, int)); |
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#endif |
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extern size_t malloc_usable_size _PARAMS ((_PTR)); |
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#ifdef __CYGWIN__ |
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#undef _malloc_usable_size_r |
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#define _malloc_usable_size_r(r, p) malloc_usable_size (p) |
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#else |
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extern size_t _malloc_usable_size_r _PARAMS ((struct _reent *, _PTR)); |
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#endif |
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/* These aren't too useful on an embedded system, but we define them |
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anyhow. */ |
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extern _PTR valloc _PARAMS ((size_t)); |
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#ifdef __CYGWIN__ |
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#undef _valloc_r |
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#define _valloc_r(r, s) valloc (s) |
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#else |
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extern _PTR _valloc_r _PARAMS ((struct _reent *, size_t)); |
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#endif |
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extern _PTR pvalloc _PARAMS ((size_t)); |
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#ifdef __CYGWIN__ |
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#undef _pvalloc_r |
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#define _pvalloc_r(r, s) pvalloc (s) |
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#else |
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extern _PTR _pvalloc_r _PARAMS ((struct _reent *, size_t)); |
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#endif |
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extern int malloc_trim _PARAMS ((size_t)); |
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#ifdef __CYGWIN__ |
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#undef _malloc_trim_r |
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#define _malloc_trim_r(r, s) malloc_trim (s) |
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#else |
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extern int _malloc_trim_r _PARAMS ((struct _reent *, size_t)); |
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#endif |
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/* A compatibility routine for an earlier version of the allocator. */ |
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extern _VOID mstats _PARAMS ((char *)); |
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#ifdef __CYGWIN__ |
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#undef _mstats_r |
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#define _mstats_r(r, p) mstats (p) |
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#else |
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extern _VOID _mstats_r _PARAMS ((struct _reent *, char *)); |
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#endif |
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/* SVID2/XPG mallopt options */ |
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#define M_MXFAST 1 /* UNUSED in this malloc */ |
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#define M_NLBLKS 2 /* UNUSED in this malloc */ |
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#define M_GRAIN 3 /* UNUSED in this malloc */ |
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#define M_KEEP 4 /* UNUSED in this malloc */ |
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/* mallopt options that actually do something */ |
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#define M_TRIM_THRESHOLD -1 |
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#define M_TOP_PAD -2 |
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#define M_MMAP_THRESHOLD -3 |
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#define M_MMAP_MAX -4 |
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#ifndef __CYGWIN__ |
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/* Some systems provide this, so do too for compatibility. */ |
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extern void cfree _PARAMS ((_PTR)); |
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#endif /* __CYGWIN__ */ |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* _INCLUDE_MALLOC_H_ */
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