| 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_ */ |