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authorIgor Pashev <pashev.igor@gmail.com>2012-06-24 22:28:35 +0000
committerIgor Pashev <pashev.igor@gmail.com>2012-06-24 22:28:35 +0000
commit3950ffe2a485479f6561c27364d3d7df5a21d124 (patch)
tree468c6e14449d1b1e279222ec32f676b0311917d2 /src/lib/libast/include/vmalloc.h
downloadksh-upstream.tar.gz
Imported Upstream version 93u+upstream
Diffstat (limited to 'src/lib/libast/include/vmalloc.h')
-rw-r--r--src/lib/libast/include/vmalloc.h335
1 files changed, 335 insertions, 0 deletions
diff --git a/src/lib/libast/include/vmalloc.h b/src/lib/libast/include/vmalloc.h
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+++ b/src/lib/libast/include/vmalloc.h
@@ -0,0 +1,335 @@
+/***********************************************************************
+* *
+* This software is part of the ast package *
+* Copyright (c) 1985-2012 AT&T Intellectual Property *
+* and is licensed under the *
+* Eclipse Public License, Version 1.0 *
+* by AT&T Intellectual Property *
+* *
+* A copy of the License is available at *
+* http://www.eclipse.org/org/documents/epl-v10.html *
+* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
+* *
+* Information and Software Systems Research *
+* AT&T Research *
+* Florham Park NJ *
+* *
+* Glenn Fowler <gsf@research.att.com> *
+* David Korn <dgk@research.att.com> *
+* Phong Vo <kpv@research.att.com> *
+* *
+***********************************************************************/
+#ifndef _VMALLOC_H
+#define _VMALLOC_H 1
+
+/* Public header file for the virtual malloc package.
+**
+** Written by Kiem-Phong Vo, kpv@research.att.com, 01/16/1994.
+*/
+
+#define VMALLOC_VERSION 20110808L
+
+#if _PACKAGE_ast
+#include <ast_std.h>
+#else
+#include <ast_common.h>
+#endif
+
+typedef struct _vmalloc_s Vmalloc_t;
+typedef struct _vmstat_s Vmstat_t;
+typedef struct _vmdisc_s Vmdisc_t;
+typedef struct _vmethod_s Vmethod_t;
+typedef struct _vmdata_s Vmdata_t;
+typedef Void_t* (*Vmemory_f)_ARG_((Vmalloc_t*, Void_t*, size_t, size_t, Vmdisc_t*));
+typedef int (*Vmexcept_f)_ARG_((Vmalloc_t*, int, Void_t*, Vmdisc_t*));
+
+struct _vmstat_s
+{ int n_busy; /* number of busy blocks */
+ int n_free; /* number of free blocks */
+ size_t s_busy; /* total amount of busy space */
+ size_t s_free; /* total amount of free space */
+ size_t m_busy; /* largest busy piece */
+ size_t m_free; /* largest free piece */
+ int n_seg; /* number of segments */
+ size_t extent; /* total size of region */
+ int n_region; /* #parallel regions (Vmregion) */
+ int n_open; /* #calls that finds open reg */
+ int n_lock; /* #calls where reg was locked */
+ int n_probe; /* #probes to find a region */
+ int mode; /* region mode bits */
+};
+
+struct _vmdisc_s
+{ Vmemory_f memoryf; /* memory manipulator */
+ Vmexcept_f exceptf; /* exception handler */
+ size_t round; /* rounding requirement */
+ size_t size; /* actual size of discipline */
+};
+
+struct _vmethod_s
+{ Void_t* (*allocf)_ARG_((Vmalloc_t*,size_t,int));
+ Void_t* (*resizef)_ARG_((Vmalloc_t*,Void_t*,size_t,int,int));
+ int (*freef)_ARG_((Vmalloc_t*,Void_t*,int));
+ long (*addrf)_ARG_((Vmalloc_t*,Void_t*,int));
+ long (*sizef)_ARG_((Vmalloc_t*,Void_t*,int));
+ int (*compactf)_ARG_((Vmalloc_t*,int));
+ Void_t* (*alignf)_ARG_((Vmalloc_t*,size_t,size_t,int));
+ unsigned short meth;
+};
+
+struct _vmalloc_s
+{ Vmethod_t meth; /* method for allocation */
+ char* file; /* file name */
+ int line; /* line number */
+ char* func; /* calling function */
+ Vmdisc_t* disc; /* discipline to get space */
+ Vmdata_t* data; /* the real region data */
+ Vmalloc_t* next; /* linked list of regions */
+};
+
+#define VM_TRUST 0000000 /* obsolete */
+#define VM_TRACE 0000001 /* generate traces of calls */
+#define VM_DBCHECK 0000002 /* check for boundary overwrite */
+#define VM_DBABORT 0000004 /* abort on any warning */
+#define VM_SHARE 0000010 /* sharable across processes */
+#define VM_MEMORYF 0000020 /* vm was allocated by memoryf */
+#define VM_FLAGS 0000017 /* user-settable flags */
+
+#define VM_MTBEST 0000100 /* Vmbest method */
+#define VM_MTPOOL 0000200 /* Vmpool method */
+#define VM_MTLAST 0000400 /* Vmlast method */
+#define VM_MTDEBUG 0001000 /* Vmdebug method */
+#define VM_MTPROFILE 0002000 /* Vmdebug method */
+#define VM_METHODS 0003700 /* available allocation methods */
+
+#define VM_RSCOPY 0000001 /* copy old contents */
+#define VM_RSMOVE 0000002 /* old contents is moveable */
+#define VM_RSZERO 0000004 /* clear new space */
+
+/* exception types */
+#define VM_OPEN 1 /* region being opened */
+#define VM_ENDOPEN 2 /* end of region opening */
+#define VM_CLOSE 3 /* announce being closed */
+#define VM_ENDCLOSE 4 /* end of region closing */
+#define VM_DISC 5 /* discipline being changed */
+#define VM_NOMEM 6 /* can't obtain memory */
+#define VM_BADADDR (-1) /* currently a no-op */
+
+/* for application-specific data in shared/persistent regions */
+#define VM_MMGET 0 /* get data value (void*) */
+#define VM_MMSET 1 /* set data value (void*) */
+#define VM_MMADD 2 /* add data value (long) */
+
+_BEGIN_EXTERNS_ /* public data */
+#if _BLD_vmalloc && defined(__EXPORT__)
+#define extern extern __EXPORT__
+#endif
+#if !_BLD_vmalloc && defined(__IMPORT__)
+#define extern extern __IMPORT__
+#endif
+
+extern Vmethod_t* Vmbest; /* best allocation */
+extern Vmethod_t* Vmlast; /* last-block allocation */
+extern Vmethod_t* Vmpool; /* pool allocation */
+extern Vmethod_t* Vmdebug; /* allocation with debugging */
+extern Vmethod_t* Vmprofile; /* profiling memory usage */
+
+extern Vmdisc_t* Vmdcsystem; /* get memory from the OS */
+extern Vmdisc_t* Vmdcheap; /* get memory from Vmheap */
+extern Vmdisc_t* Vmdcsbrk; /* like Vmdcsystem - legacy use */
+
+extern Vmalloc_t _Vmheap; /* heap region - use with care! */
+extern Vmalloc_t* Vmheap; /* = &_Vmheap - safe to use */
+extern Vmalloc_t* Vmregion; /* malloc region */
+
+#undef extern
+_END_EXTERNS_
+
+_BEGIN_EXTERNS_ /* public functions */
+#if _BLD_vmalloc && defined(__EXPORT__)
+#define extern __EXPORT__
+#endif
+
+extern Vmalloc_t* vmopen _ARG_(( Vmdisc_t*, Vmethod_t*, int ));
+extern int vmclose _ARG_(( Vmalloc_t* ));
+extern int vmclear _ARG_(( Vmalloc_t* ));
+extern int vmcompact _ARG_(( Vmalloc_t* ));
+
+extern Vmdisc_t* vmdisc _ARG_(( Vmalloc_t*, Vmdisc_t* ));
+
+extern Vmalloc_t* vmmopen _ARG_(( char*, int, ssize_t ));
+extern Void_t* vmmvalue _ARG_(( Vmalloc_t*, int, Void_t*, int ));
+extern void vmmrelease _ARG_(( Vmalloc_t*, int ));
+extern Void_t* vmmaddress _ARG_(( size_t ));
+
+extern Void_t* vmalloc _ARG_(( Vmalloc_t*, size_t ));
+extern Void_t* vmalign _ARG_(( Vmalloc_t*, size_t, size_t ));
+extern Void_t* vmresize _ARG_(( Vmalloc_t*, Void_t*, size_t, int ));
+extern Void_t* vmgetmem _ARG_(( Vmalloc_t*, Void_t*, size_t ));
+extern int vmfree _ARG_(( Vmalloc_t*, Void_t* ));
+
+extern long vmaddr _ARG_(( Vmalloc_t*, Void_t* ));
+extern long vmsize _ARG_(( Vmalloc_t*, Void_t* ));
+
+extern Vmalloc_t* vmregion _ARG_(( Void_t* ));
+extern Void_t* vmsegment _ARG_(( Vmalloc_t*, Void_t* ));
+extern int vmset _ARG_(( Vmalloc_t*, int, int ));
+
+extern Void_t* vmdbwatch _ARG_(( Void_t* ));
+extern int vmdbcheck _ARG_(( Vmalloc_t* ));
+extern int vmdebug _ARG_(( int ));
+
+extern int vmprofile _ARG_(( Vmalloc_t*, int ));
+
+extern int vmtrace _ARG_(( int ));
+extern int vmtrbusy _ARG_((Vmalloc_t*));
+
+extern int vmstat _ARG_((Vmalloc_t*, Vmstat_t*));
+
+extern int vmwalk _ARG_((Vmalloc_t*,
+ int(*)(Vmalloc_t*,Void_t*,size_t,Vmdisc_t*,Void_t*), Void_t*));
+extern char* vmstrdup _ARG_((Vmalloc_t*, const char*));
+
+#if !defined(_BLD_vmalloc) && !defined(_AST_STD_H) && \
+ !defined(__stdlib_h) && !defined(__STDLIB_H) && \
+ !defined(_STDLIB_INCLUDED) && !defined(_INC_STDLIB)
+extern Void_t* malloc _ARG_(( size_t ));
+extern Void_t* realloc _ARG_(( Void_t*, size_t ));
+extern void free _ARG_(( Void_t* ));
+extern void cfree _ARG_(( Void_t* ));
+extern Void_t* calloc _ARG_(( size_t, size_t ));
+extern Void_t* memalign _ARG_(( size_t, size_t ));
+extern Void_t* valloc _ARG_(( size_t ));
+#endif
+extern int setregmax _ARG_(( int ));
+
+#undef extern
+_END_EXTERNS_
+
+/* to coerce any value to a Vmalloc_t*, make ANSI happy */
+#define _VM_(vm) ((Vmalloc_t*)(vm))
+
+/* enable recording of where a call originates from */
+#ifdef VMFL
+
+#if defined(__FILE__)
+#define _VMFILE_(vm) (_VM_(vm)->file = (char*)__FILE__)
+#else
+#define _VMFILE_(vm) (_VM_(vm)->file = (char*)0)
+#endif
+
+#if defined(__LINE__)
+#define _VMLINE_(vm) (_VM_(vm)->line = __LINE__)
+#else
+#define _VMLINE_(vm) (_VM_(vm)->line = 0)
+#endif
+
+#if defined(__FUNCTION__)
+#define _VMFUNC_(vm) (_VM_(vm)->func = (char*)__FUNCTION__)
+#else
+#define _VMFUNC_(vm) (_VM_(vm)->func = (char*)0)
+#endif
+
+#define _VMFL_(vm) (_VMFILE_(vm), _VMLINE_(vm), _VMFUNC_(vm))
+
+#define vmalloc(vm,sz) (_VMFL_(vm), \
+ (*(_VM_(vm)->meth.allocf))((vm),(sz),0) )
+#define vmresize(vm,d,sz,type) (_VMFL_(vm), \
+ (*(_VM_(vm)->meth.resizef))\
+ ((vm),(Void_t*)(d),(sz),(type),0) )
+#define vmfree(vm,d) (_VMFL_(vm), \
+ (*(_VM_(vm)->meth.freef))((vm),(Void_t*)(d),0) )
+#define vmalign(vm,sz,align) (_VMFL_(vm), \
+ (*(_VM_(vm)->meth.alignf))((vm),(sz),(align),0) )
+
+#undef malloc
+#undef realloc
+#undef calloc
+#undef free
+#undef memalign
+#undef valloc
+
+#if _map_malloc
+
+#define malloc(s) (_VMFL_(Vmregion), _ast_malloc((size_t)(s)) )
+#define realloc(d,s) (_VMFL_(Vmregion), _ast_realloc((Void_t*)(d),(size_t)(s)) )
+#define calloc(n,s) (_VMFL_(Vmregion), _ast_calloc((size_t)n, (size_t)(s)) )
+#define free(d) (_VMFL_(Vmregion), _ast_free((Void_t*)(d)) )
+#define memalign(a,s) (_VMFL_(Vmregion), _ast_memalign((size_t)(a),(size_t)(s)) )
+#define valloc(s) (_VMFL_(Vmregion), _ast_valloc((size_t)(s) )
+
+#else
+
+#if !_std_malloc
+
+#if __STD_C || defined(__STDPP__) || defined(__GNUC__)
+
+#define malloc(s) (_VMFL_(Vmregion), malloc((size_t)(s)) )
+#define realloc(d,s) (_VMFL_(Vmregion), realloc((Void_t*)(d),(size_t)(s)) )
+#define calloc(n,s) (_VMFL_(Vmregion), calloc((size_t)n, (size_t)(s)) )
+#define free(d) (_VMFL_(Vmregion), free((Void_t*)(d)) )
+#define memalign(a,s) (_VMFL_(Vmregion), memalign((size_t)(a),(size_t)(s)) )
+#define valloc(s) (_VMFL_(Vmregion), valloc((size_t)(s) )
+#ifndef strdup
+#define strdup(s) ( _VMFL_(Vmregion), (strdup)((char*)(s)) )
+#endif
+
+#else
+
+#define _VMNM_(a,b,c,d,e,f) a/**/b/**/c/**/d/**/e/**/f
+#define malloc(s) (_VMFL_(Vmregion), _VMNM_(mallo,/,*,*,/,c)\
+ ((size_t)(s)) )
+#define realloc(d,s) (_VMFL_(Vmregion), _VMNM_(reallo,/,*,*,/,c)\
+ ((Void_t*)(d),(size_t)(s)) )
+#define calloc(n,s) (_VMFL_(Vmregion), _VMNM_(callo,/,*,*,/,c)\
+ ((size_t)n, (size_t)(s)) )
+#define free(d) (_VMFL_(Vmregion), _VMNM_(fre,/,*,*,/,e)((Void_t*)(d)) )
+#define memalign(a,s) (_VMFL_(Vmregion), _VMNM_(memalig,/,*,*,/,n)\
+ ((size_t)(a),(size_t)(s)) )
+#define valloc(s) (_VMFL_(Vmregion), _VMNM_(vallo,/,*,*,/,c)\
+ ((size_t)(s) )
+#ifndef strdup
+#define strdup(s) ( _VMFL_(Vmregion), _VMNM_(strdu,/,*,*,/,p)\
+ ((char*)(s)) )
+#endif
+
+#endif /*__STD_C || defined(__STDPP__) || defined(__GNUC__)*/
+
+#define cfree(d) free(d)
+
+#endif /*!_std_malloc*/
+
+#endif /*_map_malloc*/
+
+#endif /*VMFL*/
+
+/* non-debugging/profiling allocation calls */
+#ifndef vmalloc
+#define vmalloc(vm,sz) (*(_VM_(vm)->meth.allocf))((vm),(sz),0)
+#endif
+
+#ifndef vmresize
+#define vmresize(vm,d,sz,type) (*(_VM_(vm)->meth.resizef))\
+ ((vm),(Void_t*)(d),(sz),(type),0)
+#endif
+
+#ifndef vmfree
+#define vmfree(vm,d) (*(_VM_(vm)->meth.freef))((vm),(Void_t*)(d),0)
+#endif
+
+#ifndef vmalign
+#define vmalign(vm,sz,align) (*(_VM_(vm)->meth.alignf))((vm),(sz),(align),0)
+#endif
+
+#define vmaddr(vm,addr) (*(_VM_(vm)->meth.addrf))((vm),(Void_t*)(addr),0)
+#define vmsize(vm,addr) (*(_VM_(vm)->meth.sizef))((vm),(Void_t*)(addr),0)
+#define vmcompact(vm) (*(_VM_(vm)->meth.compactf))((vm),0)
+#define vmoldof(v,p,t,n,x) (t*)vmresize((v), (p), sizeof(t)*(n)+(x), \
+ (VM_RSMOVE) )
+#define vmnewof(v,p,t,n,x) (t*)vmresize((v), (p), sizeof(t)*(n)+(x), \
+ (VM_RSMOVE|VM_RSCOPY|VM_RSZERO) )
+
+#define vmdata(vm) ((Void_t*)(_VM_(vm)->data) )
+#define vmlocked(vm) (*((unsigned int*)(_VM_(vm)->data)) )
+
+#endif /* _VMALLOC_H */