diff options
Diffstat (limited to 'Unix/i686-elf/include/malloc.h')
-rw-r--r-- | Unix/i686-elf/include/malloc.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/Unix/i686-elf/include/malloc.h b/Unix/i686-elf/include/malloc.h new file mode 100644 index 0000000..c46357c --- /dev/null +++ b/Unix/i686-elf/include/malloc.h @@ -0,0 +1,169 @@ +/* malloc.h -- header file for memory routines. */ + +#ifndef _INCLUDE_MALLOC_H_ +#define _INCLUDE_MALLOC_H_ + +#include <_ansi.h> +#include <sys/reent.h> + +#define __need_size_t +#include <stddef.h> + +/* include any machine-specific extensions */ +#include <machine/malloc.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* This version of struct mallinfo must match the one in + libc/stdlib/mallocr.c. */ + +struct mallinfo { + int arena; /* total space allocated from system */ + int ordblks; /* number of non-inuse chunks */ + int smblks; /* unused -- always zero */ + int hblks; /* number of mmapped regions */ + int hblkhd; /* total space in mmapped regions */ + int usmblks; /* unused -- always zero */ + int fsmblks; /* unused -- always zero */ + int uordblks; /* total allocated space */ + int fordblks; /* total non-inuse space */ + int keepcost; /* top-most, releasable (via malloc_trim) space */ +}; + +/* The routines. */ + +extern _PTR malloc _PARAMS ((size_t)); +#ifdef __CYGWIN__ +#undef _malloc_r +#define _malloc_r(r, s) malloc (s) +#else +extern _PTR _malloc_r _PARAMS ((struct _reent *, size_t)); +#endif + +extern _VOID free _PARAMS ((_PTR)); +#ifdef __CYGWIN__ +#undef _free_r +#define _free_r(r, p) free (p) +#else +extern _VOID _free_r _PARAMS ((struct _reent *, _PTR)); +#endif + +extern _PTR realloc _PARAMS ((_PTR, size_t)); +#ifdef __CYGWIN__ +#undef _realloc_r +#define _realloc_r(r, p, s) realloc (p, s) +#else +extern _PTR _realloc_r _PARAMS ((struct _reent *, _PTR, size_t)); +#endif + +extern _PTR calloc _PARAMS ((size_t, size_t)); +#ifdef __CYGWIN__ +#undef _calloc_r +#define _calloc_r(r, s1, s2) calloc (s1, s2); +#else +extern _PTR _calloc_r _PARAMS ((struct _reent *, size_t, size_t)); +#endif + +extern _PTR memalign _PARAMS ((size_t, size_t)); +#ifdef __CYGWIN__ +#undef _memalign_r +#define _memalign_r(r, s1, s2) memalign (s1, s2); +#else +extern _PTR _memalign_r _PARAMS ((struct _reent *, size_t, size_t)); +#endif + +extern struct mallinfo mallinfo _PARAMS ((void)); +#ifdef __CYGWIN__ +#undef _mallinfo_r +#define _mallinfo_r(r) mallinfo () +#else +extern struct mallinfo _mallinfo_r _PARAMS ((struct _reent *)); +#endif + +extern void malloc_stats _PARAMS ((void)); +#ifdef __CYGWIN__ +#undef _malloc_stats_r +#define _malloc_stats_r(r) malloc_stats () +#else +extern void _malloc_stats_r _PARAMS ((struct _reent *)); +#endif + +extern int mallopt _PARAMS ((int, int)); +#ifdef __CYGWIN__ +#undef _mallopt_r +#define _mallopt_r(i1, i2) mallopt (i1, i2) +#else +extern int _mallopt_r _PARAMS ((struct _reent *, int, int)); +#endif + +extern size_t malloc_usable_size _PARAMS ((_PTR)); +#ifdef __CYGWIN__ +#undef _malloc_usable_size_r +#define _malloc_usable_size_r(r, p) malloc_usable_size (p) +#else +extern size_t _malloc_usable_size_r _PARAMS ((struct _reent *, _PTR)); +#endif + +/* These aren't too useful on an embedded system, but we define them + anyhow. */ + +extern _PTR valloc _PARAMS ((size_t)); +#ifdef __CYGWIN__ +#undef _valloc_r +#define _valloc_r(r, s) valloc (s) +#else +extern _PTR _valloc_r _PARAMS ((struct _reent *, size_t)); +#endif + +extern _PTR pvalloc _PARAMS ((size_t)); +#ifdef __CYGWIN__ +#undef _pvalloc_r +#define _pvalloc_r(r, s) pvalloc (s) +#else +extern _PTR _pvalloc_r _PARAMS ((struct _reent *, size_t)); +#endif + +extern int malloc_trim _PARAMS ((size_t)); +#ifdef __CYGWIN__ +#undef _malloc_trim_r +#define _malloc_trim_r(r, s) malloc_trim (s) +#else +extern int _malloc_trim_r _PARAMS ((struct _reent *, size_t)); +#endif + +/* A compatibility routine for an earlier version of the allocator. */ + +extern _VOID mstats _PARAMS ((char *)); +#ifdef __CYGWIN__ +#undef _mstats_r +#define _mstats_r(r, p) mstats (p) +#else +extern _VOID _mstats_r _PARAMS ((struct _reent *, char *)); +#endif + +/* SVID2/XPG mallopt options */ + +#define M_MXFAST 1 /* UNUSED in this malloc */ +#define M_NLBLKS 2 /* UNUSED in this malloc */ +#define M_GRAIN 3 /* UNUSED in this malloc */ +#define M_KEEP 4 /* UNUSED in this malloc */ + +/* mallopt options that actually do something */ + +#define M_TRIM_THRESHOLD -1 +#define M_TOP_PAD -2 +#define M_MMAP_THRESHOLD -3 +#define M_MMAP_MAX -4 + +#ifndef __CYGWIN__ +/* Some systems provide this, so do too for compatibility. */ +extern void cfree _PARAMS ((_PTR)); +#endif /* __CYGWIN__ */ + +#ifdef __cplusplus +} +#endif + +#endif /* _INCLUDE_MALLOC_H_ */ |