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author | Christopher Faylor <me@cgf.cx> | 2000-02-17 19:39:52 +0000 |
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committer | Christopher Faylor <me@cgf.cx> | 2000-02-17 19:39:52 +0000 |
commit | 8a0efa53e44919bcf5ccb1d3353618a82afdf8bc (patch) | |
tree | 68c3dbf3f2c6fd5d49777def9914d77b5cd4589d /newlib/libc/include/malloc.h | |
parent | 1fd5e000ace55b323124c7e556a7a864b972a5c4 (diff) | |
download | cygnal-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.tar.gz cygnal-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.tar.bz2 cygnal-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.zip |
import newlib-2000-02-17 snapshot
Diffstat (limited to 'newlib/libc/include/malloc.h')
-rw-r--r-- | newlib/libc/include/malloc.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/newlib/libc/include/malloc.h b/newlib/libc/include/malloc.h new file mode 100644 index 000000000..64abe91cf --- /dev/null +++ b/newlib/libc/include/malloc.h @@ -0,0 +1,97 @@ +/* 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> + +#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)); +extern _PTR _malloc_r _PARAMS ((struct _reent *, size_t)); + +extern _VOID free _PARAMS ((_PTR)); +extern _VOID _free_r _PARAMS ((struct _reent *, _PTR)); + +extern _PTR realloc _PARAMS ((_PTR, size_t)); +extern _PTR _realloc_r _PARAMS ((struct _reent *, _PTR, size_t)); + +extern _PTR calloc _PARAMS ((size_t, size_t)); +extern _PTR _calloc_r _PARAMS ((struct _reent *, size_t, size_t)); + +extern _PTR memalign _PARAMS ((size_t, size_t)); +extern _PTR _memalign_r _PARAMS ((struct _reent *, size_t, size_t)); + +extern struct mallinfo mallinfo _PARAMS ((void)); +extern struct mallinfo _mallinfo_r _PARAMS ((struct _reent *)); + +extern void malloc_stats _PARAMS ((void)); +extern void _malloc_stats_r _PARAMS ((struct _reent *)); + +extern int mallopt _PARAMS ((int, int)); +extern int _mallopt_r _PARAMS ((struct _reent *, int, int)); + +extern size_t malloc_usable_size _PARAMS ((_PTR)); +extern size_t _malloc_usable_size_r _PARAMS ((struct _reent *, _PTR)); + +/* These aren't too useful on an embedded system, but we define them + anyhow. */ + +extern _PTR valloc _PARAMS ((size_t)); +extern _PTR _valloc_r _PARAMS ((struct _reent *, size_t)); + +extern _PTR pvalloc _PARAMS ((size_t)); +extern _PTR _pvalloc_r _PARAMS ((struct _reent *, size_t)); + +extern int malloc_trim _PARAMS ((size_t)); +extern int _malloc_trim_r _PARAMS ((struct _reent *, size_t)); + +/* Some systems provide this, so do too for compatibility. */ + +extern void cfree _PARAMS ((_PTR)); + +/* A compatibility routine for an earlier version of the allocator. */ + +extern _VOID mstats _PARAMS ((char *)); +extern _VOID _mstats_r _PARAMS ((struct _reent *, char *)); + +#ifdef __CYGWIN32__ + +/* Cygwin32 needs to be able to copy all the malloc information from + the parent to the child. However, cygwin32 does not normally copy + any data in the DLL data section. This routine handles copying + that information. */ + +extern int __malloc_copy _PARAMS ((int (*) (void *, void *, void *, int), + void *, int)); +#endif /* __CYGWIN32 */ + +#ifdef __cplusplus +} +#endif + +#endif /* _INCLUDE_MALLOC_H_ */ |