| /* 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 { |
| size_t arena; /* total space allocated from system */ |
| size_t ordblks; /* number of non-inuse chunks */ |
| size_t smblks; /* unused -- always zero */ |
| size_t hblks; /* number of mmapped regions */ |
| size_t hblkhd; /* total space in mmapped regions */ |
| size_t usmblks; /* unused -- always zero */ |
| size_t fsmblks; /* unused -- always zero */ |
| size_t uordblks; /* total allocated space */ |
| size_t fordblks; /* total non-inuse space */ |
| size_t keepcost; /* top-most, releasable (via malloc_trim) space */ |
| }; |
| |
| /* The routines. */ |
| |
| extern void *malloc (size_t); |
| #ifdef __CYGWIN__ |
| #undef _malloc_r |
| #define _malloc_r(r, s) malloc (s) |
| #else |
| extern void *_malloc_r (struct _reent *, size_t); |
| #endif |
| |
| extern void free (void *); |
| #ifdef __CYGWIN__ |
| #undef _free_r |
| #define _free_r(r, p) free (p) |
| #else |
| extern void _free_r (struct _reent *, void *); |
| #endif |
| |
| extern void *realloc (void *, size_t); |
| #ifdef __CYGWIN__ |
| #undef _realloc_r |
| #define _realloc_r(r, p, s) realloc (p, s) |
| #else |
| extern void *_realloc_r (struct _reent *, void *, size_t); |
| #endif |
| |
| extern void *calloc (size_t, size_t); |
| #ifdef __CYGWIN__ |
| #undef _calloc_r |
| #define _calloc_r(r, s1, s2) calloc (s1, s2); |
| #else |
| extern void *_calloc_r (struct _reent *, size_t, size_t); |
| #endif |
| |
| extern void *memalign (size_t, size_t); |
| #ifdef __CYGWIN__ |
| #undef _memalign_r |
| #define _memalign_r(r, s1, s2) memalign (s1, s2); |
| #else |
| extern void *_memalign_r (struct _reent *, size_t, size_t); |
| #endif |
| |
| extern struct mallinfo mallinfo (void); |
| #ifdef __CYGWIN__ |
| #undef _mallinfo_r |
| #define _mallinfo_r(r) mallinfo () |
| #else |
| extern struct mallinfo _mallinfo_r (struct _reent *); |
| #endif |
| |
| extern void malloc_stats (void); |
| #ifdef __CYGWIN__ |
| #undef _malloc_stats_r |
| #define _malloc_stats_r(r) malloc_stats () |
| #else |
| extern void _malloc_stats_r (struct _reent *); |
| #endif |
| |
| extern int mallopt (int, int); |
| #ifdef __CYGWIN__ |
| #undef _mallopt_r |
| #define _mallopt_r(i1, i2) mallopt (i1, i2) |
| #else |
| extern int _mallopt_r (struct _reent *, int, int); |
| #endif |
| |
| extern size_t malloc_usable_size (void *); |
| #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 (struct _reent *, void *); |
| #endif |
| |
| /* These aren't too useful on an embedded system, but we define them |
| anyhow. */ |
| |
| extern void *valloc (size_t); |
| #ifdef __CYGWIN__ |
| #undef _valloc_r |
| #define _valloc_r(r, s) valloc (s) |
| #else |
| extern void *_valloc_r (struct _reent *, size_t); |
| #endif |
| |
| extern void *pvalloc (size_t); |
| #ifdef __CYGWIN__ |
| #undef _pvalloc_r |
| #define _pvalloc_r(r, s) pvalloc (s) |
| #else |
| extern void *_pvalloc_r (struct _reent *, size_t); |
| #endif |
| |
| extern int malloc_trim (size_t); |
| #ifdef __CYGWIN__ |
| #undef _malloc_trim_r |
| #define _malloc_trim_r(r, s) malloc_trim (s) |
| #else |
| extern int _malloc_trim_r (struct _reent *, size_t); |
| #endif |
| |
| extern void __malloc_lock(struct _reent *); |
| |
| extern void __malloc_unlock(struct _reent *); |
| |
| /* A compatibility routine for an earlier version of the allocator. */ |
| |
| extern void mstats (char *); |
| #ifdef __CYGWIN__ |
| #undef _mstats_r |
| #define _mstats_r(r, p) mstats (p) |
| #else |
| extern void _mstats_r (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 (void *); |
| #endif /* __CYGWIN__ */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _INCLUDE_MALLOC_H_ */ |