/**************************************************************************** * NCSA HDF * * Software Development Group * * National Center for Supercomputing Applications * * University of Illinois at Urbana-Champaign * * 605 E. Springfield, Champaign IL 61820 * * * * For conditions of distribution and use, see the accompanying * * hdf/COPYING file. * * * ****************************************************************************/ /* $Id$ */ /* * This file contains macros & information for file access */ #ifndef _H5Fprivate_H #define _H5Fprivate_H #include /* This is a near top-level header! Try not to include much! */ #include #include /*for the H5D_transfer_t type */ #include /*for the H5MM_allocate_t and H5MM_free_t types */ /* * Feature: Define this constant to be non-zero if you want to enable code * that minimizes the number of calls to lseek(). This has a huge * performance benefit on some systems. Set this constant to zero * on the compiler command line to disable that optimization. */ #ifndef H5F_OPT_SEEK # define H5F_OPT_SEEK 1 #endif /* * Feature: Define this constant on the compiler command-line if you want to * see some debugging messages on the debug stream. */ #ifdef NDEBUG # undef H5F_DEBUG #endif /* Maximum size of boot-block buffer */ #define H5F_BOOTBLOCK_SIZE 1024 /* Define the HDF5 file signature */ #define H5F_SIGNATURE "\211HDF\r\n\032\n" #define H5F_SIGNATURE_LEN 8 /* size of size_t and off_t as they exist on disk */ #define H5F_SIZEOF_ADDR(F) ((F)->shared->create_parms->sizeof_addr) #define H5F_SIZEOF_SIZE(F) ((F)->shared->create_parms->sizeof_size) /* * Private file open flags. */ #define H5F_ACC_PUBLIC_FLAGS 0x00ffu #define H5F_ACC_CREAT 0x0100u /* Create non-existing files */ /* * Encode and decode macros for file meta-data. * Currently, all file meta-data is little-endian. */ /* For non-little-endian platforms, encode each byte by itself */ #ifdef WORDS_BIGENDIAN # define INT16ENCODE(p, i) { \ *(p) = (uint8_t)( (uintn)(i) & 0xff); (p)++; \ *(p) = (uint8_t)(((uintn)(i) >> 8) & 0xff); (p)++; \ } # define UINT16ENCODE(p, i) { \ *(p) = (uint8_t)( (i) & 0xff); (p)++; \ *(p) = (uint8_t)(((uintn)(i) >> 8) & 0xff); (p)++; \ } # define INT32ENCODE(p, i) { \ *(p) = (uint8_t)( (uint32_t)(i) & 0xff); (p)++; \ *(p) = (uint8_t)(((uint32_t)(i) >> 8) & 0xff); (p)++; \ *(p) = (uint8_t)(((uint32_t)(i) >> 16) & 0xff); (p)++; \ *(p) = (uint8_t)(((uint32_t)(i) >> 24) & 0xff); (p)++; \ } # define UINT32ENCODE(p, i) { \ *(p) = (uint8_t)( (i) & 0xff); (p)++; \ *(p) = (uint8_t)(((i) >> 8) & 0xff); (p)++; \ *(p) = (uint8_t)(((i) >> 16) & 0xff); (p)++; \ *(p) = (uint8_t)(((i) >> 24) & 0xff); (p)++; \ } # define INT64ENCODE(p, n) { \ int64_t _n = (n); \ size_t _i; \ uint8_t *_p = (uint8_t*)(p); \ for (_i=0; _i>=8) { \ *_p++ = (uint8_t)(_n & 0xff); \ } \ for (/*void*/; _i<8; _i++) { \ *_p++ = (n)<0 ? 0xff : 0; \ } \ (p) = (uint8_t*)(p)+8; \ } # define UINT64ENCODE(p, n) { \ uint64_t _n = (n); \ size_t _i; \ uint8_t *_p = (uint8_t*)(p); \ for (_i=0; _i>=8) { \ *_p++ = (uint8_t)(_n & 0xff); \ } \ for (/*void*/; _i<8; _i++) { \ *_p++ = 0; \ } \ (p) = (uint8_t*)(p)+8; \ } /* DECODE converts little endian bytes pointed by p to integer values and store * it in i. For signed values, need to do sign-extension when converting * the last byte which carries the sign bit. * The macros does not require i be of a certain byte sizes. It just requires * i be big enough to hold the intended value range. E.g. INT16DECODE works * correctly even if i is actually a 64bit int like in a Cray. */ # define INT16DECODE(p, i) { \ (i) = (int16_t)((*(p) & 0xff)); (p)++; \ (i) |= (int16_t)(((*(p) & 0xff) << 8) | \ ((*(p) & 0x80) ? ~0xffff : 0x0)); (p)++; \ } # define UINT16DECODE(p, i) { \ (i) = (uint16_t) (*(p) & 0xff); (p)++; \ (i) |= (uint16_t)((*(p) & 0xff) << 8); (p)++; \ } # define INT32DECODE(p, i) { \ (i) = ( *(p) & 0xff); (p)++; \ (i) |= ((int32_t)(*(p) & 0xff) << 8); (p)++; \ (i) |= ((int32_t)(*(p) & 0xff) << 16); (p)++; \ (i) |= ((int32_t)(((*(p) & 0xff) << 24) | \ ((*(p) & 0x80) ? ~0xffffffff : 0x0))); (p)++; \ } # define UINT32DECODE(p, i) { \ (i) = (uint32_t)(*(p) & 0xff); (p)++; \ (i) |= ((uint32_t)(*(p) & 0xff) << 8); (p)++; \ (i) |= ((uint32_t)(*(p) & 0xff) << 16); (p)++; \ (i) |= ((uint32_t)(*(p) & 0xff) << 24); (p)++; \ } # define INT64DECODE(p, n) { \ /* WE DON'T CHECK FOR OVERFLOW! */ \ size_t _i; \ n = 0; \ (p) += 8; \ for (_i=0; _i= SIZEOF_OFF_T) # define H5F_OVERFLOW_SIZET2OFFT(X) \ ((size_t)(X)>=(size_t)((size_t)1<<(8*sizeof(off_t)-1))) #else # define H5F_OVERFLOW_SIZET2OFFT(X) 0 #endif /* * File-creation property list. */ typedef struct H5F_create_t { hsize_t userblock_size; /* Size of the file user block in bytes */ intn sym_leaf_k; /* 1/2 rank for symbol table leaf nodes */ intn btree_k[8]; /* 1/2 rank for btree internal nodes */ size_t sizeof_addr; /* Number of bytes in an address */ size_t sizeof_size; /* Number of bytes for obj sizes */ intn bootblock_ver; /* Version # of the bootblock */ intn freespace_ver; /* Version # of the free-space information*/ intn objectdir_ver; /* Version # of the object directory format*/ intn sharedheader_ver;/* Version # of the shared header format */ } H5F_create_t; /* * File-access property list. */ typedef struct H5F_access_t { intn mdc_nelmts; /* Size of meta data cache (elements) */ intn rdcc_nelmts; /* Size of raw data chunk cache (elmts) */ size_t rdcc_nbytes; /* Size of raw data chunk cache (bytes) */ double rdcc_w0; /* Preempt read chunks first? [0.0..1.0]*/ hsize_t threshold; /* Threshold for alignment */ hsize_t alignment; /* Alignment */ uintn gc_ref; /* Garbage-collect references? */ H5F_driver_t driver; /* Low level file driver */ union { /* Properties for in-core files */ struct { size_t increment; /*amount by which to increment size*/ } core; /* Properties for file families */ struct { struct H5F_access_t *memb_access; /*plist for the members */ haddr_t memb_size; /*number of bits in offset */ } fam; /* Properties for the split driver */ struct { char *meta_ext; /*name extension for meta file */ char *raw_ext; /*name extension for raw file */ struct H5F_access_t *meta_access; /*plist for meta file */ struct H5F_access_t *raw_access; /*plist for raw data file */ } split; #ifdef HAVE_PARALLEL /* Properties for parallel I/O */ struct { MPI_Comm comm; /* communicator for file access */ MPI_Info info; /* optional info for MPI-IO */ MPI_Datatype btype; /* buffer type for xfers */ MPI_Datatype ftype; /* file type for xfers */ haddr_t disp; /* displacement for set_view in xfers */ int use_types; /* if !0, use btype, ftype, disp. */ /* otherwise do simple byteblk xfer */ int old_use_types; /* remember value of use_types */ /* from last xfer */ } mpio; #endif } u; } H5F_access_t; /* * These things make a file unique. */ typedef struct H5F_search_t { dev_t dev; /* Device number containing file */ ino_t ino; /* Unique file number on device */ #if WIN32 /* * Specifies the low-order word of a unique identifier associated with the * file. This identifier and the volume serial number uniquely identify a * file. This number may change when the system is restarted or when the * file is opened. After a process opens a file, the identifier is * constant until the file is closed. An application can use this * identifier and the volume serial number to determine whether two * handles refer to the same file. */ int fileindexlo; int fileindexhi; #endif } H5F_search_t; /* For determining what the last file operation was */ typedef enum { H5F_OP_UNKNOWN, /* Don't know what the last operation was*/ H5F_OP_SEEK, /* Last operation was a seek */ H5F_OP_WRITE, /* Last operation was a write */ H5F_OP_READ /* Last operation was a read */ } H5F_fileop_t; /* A free-list entry */ #define H5MF_NFREE 32 /*size of free block array */ typedef struct H5MF_free_t { haddr_t addr; /*file address */ hsize_t size; /*size of free area */ } H5MF_free_t; /* Dataset transfer property list */ typedef struct H5F_xfer_t { size_t buf_size; /*max temp buffer size */ void *tconv_buf; /*type conversion buffer or null */ void *bkg_buf; /*background buffer or null */ H5T_bkg_t need_bkg; /*type of background buffer needed */ double split_ratios[3];/*B-tree node splitting ratios */ uintn cache_hyper; /*cache hyperslab blocks during I/O? */ uintn block_limit; /*largest hyperslab block to cache */ H5D_transfer_t xfer_mode; /*independent or collective transfer */ H5MM_allocate_t vlen_alloc; /* VL datatype allocation function */ void * alloc_info; /* VL datatype allocation information */ H5MM_free_t vlen_free; /* VL datatype free function */ void * free_info; /* VL datatype free information */ } H5F_xfer_t; /* * Define the low-level file interface. */ typedef struct H5F_low_class_t { htri_t (*access)(const char *name, const H5F_access_t *access_parms, int mode, H5F_search_t *key/*out*/); struct H5F_low_t *(*open)(const char *name, const H5F_access_t *access_parms, uintn flags, H5F_search_t *key/*out*/); herr_t (*close)(struct H5F_low_t *lf, const H5F_access_t *access_parms); herr_t (*read)(struct H5F_low_t *lf, const H5F_access_t *access_parms, const H5F_xfer_t *xfer_parms, const haddr_t *addr, size_t size, uint8_t *buf); herr_t (*write)(struct H5F_low_t *lf, const H5F_access_t *access_parms, const H5F_xfer_t *xfer_parms, const haddr_t *addr, size_t size, const uint8_t *buf); herr_t (*flush)(struct H5F_low_t *lf, const H5F_access_t *access_parms); herr_t (*extend)(struct H5F_low_t *lf, const H5F_access_t *access_parms, intn op, hsize_t size, haddr_t *addr/*out*/); intn (*alloc)(struct H5F_low_t *lf, intn op, hsize_t alignment, hsize_t threshold, hsize_t size, H5MF_free_t *blk, haddr_t *addr/*out*/); } H5F_low_class_t; /* * One of these H5F_low_t structs is allocated for each H5F_file_t struct. * This struct describes how to access the storage for the hdf5 address space, * whether that storage is file, local memory, shared memory, network * distributed global memory, etc. */ typedef struct H5F_low_t { const H5F_low_class_t *type;/* What type of file is this? */ haddr_t eof; /* Address of logical end-of-file */ uintn eof_written; /* whether the last byte is written */ union { /* File families */ struct { char *name; /* Family name */ uintn flags; /* Flags for opening member files */ intn nmemb; /* Number of family members */ intn nalloc; /* Size of member table in elements */ struct H5F_low_t **memb; /* An array of family members */ haddr_t memb_size; /*Size of each family member */ } fam; /* Split meta/raw data */ struct { char *name; /* Base name w/o extension */ uint64_t mask; /* Bit that determines which file to use*/ struct H5F_low_t *meta; /* Meta data file */ struct H5F_low_t *raw; /* Raw data file */ } split; /* Posix section 2 I/O */ struct { int fd; /* The unix file descriptor */ H5F_fileop_t op; /* Previous file operation */ #ifdef HAVE_LSEEK64 off64_t cur; /* Current file position */ #else off_t cur; /* Current file position */ #endif } sec2; /* Posix stdio */ struct { FILE *f; /* Posix stdio file */ H5F_fileop_t op; /* Previous file operation */ #ifdef HAVE_FSEEK64 int64_t cur; /* Current file position */ #else long cur; /* Current file position */ #endif } stdio; /* In-core temp file */ struct { uint8_t *mem; /* Mem image of the file */ size_t size; /* Current file size */ size_t alloc; /* Current size of MEM buffer */ } core; #ifdef HAVE_PARALLEL /* MPI-IO */ struct { MPI_File f; /* MPI-IO file handle */ hbool_t allsame;/* all procs should write same data, * * so only p0 will do the actual write */ } mpio; #endif } u; } H5F_low_t; /* What types of low-level files are there? */ #ifndef H5F_LOW_DFLT # define H5F_LOW_DFLT H5F_LOW_SEC2 /* The default type */ #endif __DLLVAR__ const H5F_low_class_t H5F_LOW_SEC2_g[]; /*Posix section 2 */ __DLLVAR__ const H5F_low_class_t H5F_LOW_STDIO_g[]; /*Posix stdio */ __DLLVAR__ const H5F_low_class_t H5F_LOW_CORE_g[]; /*In-core temp file */ __DLLVAR__ const H5F_low_class_t H5F_LOW_FAMILY_g[];/*File family */ __DLLVAR__ const H5F_low_class_t H5F_LOW_SPLIT_g[]; /*Split meta/raw data*/ #ifdef HAVE_PARALLEL __DLLVAR__ const H5F_low_class_t H5F_LOW_MPIO_g[]; /*MPI-IO */ #endif /* The raw data chunk cache */ typedef struct H5F_rdcc_t { uintn ninits; /* Number of chunk creations */ uintn nhits; /* Number of cache hits */ uintn nmisses;/* Number of cache misses */ uintn nflushes;/* Number of cache flushes */ size_t nbytes; /* Current cached raw data in bytes */ intn nslots; /* Number of chunk slots allocated */ struct H5F_rdcc_ent_t *head; /* Head of doubly linked list */ struct H5F_rdcc_ent_t *tail; /* Tail of doubly linked list */ intn nused; /* Number of chunk slots in use */ struct H5F_rdcc_ent_t **slot; /* Chunk slots, each points to a chunk*/ } H5F_rdcc_t; /* * Define the structure to store the file information for HDF5 files. One of * these structures is allocated per file, not per H5Fopen(). That is, set of * H5F_t structs can all point to the same H5F_file_t struct. The `nrefs' * count in this struct indicates the number of H5F_t structs which are * pointing to this struct. */ typedef struct H5F_file_t { H5F_search_t key; /* The key for looking up files */ uintn flags; /* Access Permissions for file */ H5F_low_t *lf; /* Lower level file handle for I/O */ uintn nrefs; /* Ref count for times file is opened */ uint32_t consist_flags; /* File Consistency Flags */ haddr_t boot_addr; /* Absolute address of boot block */ haddr_t base_addr; /* Absolute base address for rel.addrs. */ haddr_t freespace_addr; /* Relative address of free-space info */ haddr_t hdf5_eof; /* Relative addr of end of all hdf5 data*/ struct H5AC_t *cache; /* The object cache */ H5F_create_t *create_parms; /* File-creation property list */ H5F_access_t *access_parms; /* File-access property list */ struct H5G_t *root_grp; /* Open root group */ intn ncwfs; /* Num entries on cwfs list */ struct H5HG_heap_t **cwfs; /* Global heap cache */ H5F_rdcc_t rdcc; /* Raw data chunk cache */ intn fl_nfree; /*number of free blocks in array */ H5MF_free_t fl_free[H5MF_NFREE]; /*free block array */ } H5F_file_t; /* Mount property list */ typedef struct H5F_mprop_t { hbool_t local; /* Are absolute symlinks local to file? */ } H5F_mprop_t; /* A record of the mount table */ typedef struct H5F_mount_t { struct H5G_t *group; /* Mount point group held open */ struct H5F_t *file; /* File mounted at that point */ } H5F_mount_t; /* * The mount table describes what files are attached to (mounted on) the file * to which this table belongs. */ typedef struct H5F_mtab_t { struct H5F_t *parent;/* Parent file */ uintn nmounts;/* Number of children which are mounted */ uintn nalloc; /* Number of mount slots allocated */ H5F_mount_t *child; /* An array of mount records */ } H5F_mtab_t; /* * This is the top-level file descriptor. One of these structures is * allocated every time H5Fopen() is called although they may contain pointers * to shared H5F_file_t structs. The reference count (nrefs) indicates the * number of times the file has been opened (the application can only open a * file once explicitly, but the library can open the file a second time to * indicate that the file is mounted on some other file). */ typedef struct H5F_t { uintn nrefs; /* Reference count */ uintn intent; /* The flags passed to H5F_open()*/ char *name; /* Name used to open file */ H5F_file_t *shared; /* The shared file info */ uintn nopen_objs; /* Number of open object headers*/ hid_t closing; /* H5I_FILE_CLOSING ID or zero */ H5F_mtab_t mtab; /* File mount table */ } H5F_t; #ifdef NOT_YET #define H5F_ENCODE_OFFSET(f,p,o) (H5F_SIZEOF_ADDR(f)==4 ? UINT32ENCODE(p,o) \ : H5F_SIZEOF_ADDR(f)==8 ? UINT64ENCODE(p,o) \ : H5F_SIZEOF_ADDR(f)==2 ? UINT16ENCODE(p,o) \ : H5FPencode_unusual_offset(f,&(p),(uint8_t*)&(o))) #else /* NOT_YET */ #define H5F_ENCODE_OFFSET(f,p,o) switch(H5F_SIZEOF_ADDR(f)) { \ case 4: UINT32ENCODE(p,o); break; \ case 8: UINT64ENCODE(p,o); break; \ case 2: UINT16ENCODE(p,o); break; \ } #endif /* NOT_YET */ #define H5F_DECODE_OFFSET(f,p,o) \ switch (H5F_SIZEOF_ADDR (f)) { \ case 4: \ UINT32DECODE (p, o); \ break; \ case 8: \ UINT64DECODE (p, o); \ break; \ case 2: \ UINT16DECODE (p, o); \ break; \ } #define H5F_encode_length(f,p,l) \ switch(H5F_SIZEOF_SIZE(f)) { \ case 4: UINT32ENCODE(p,l); break; \ case 8: UINT64ENCODE(p,l); break; \ case 2: UINT16ENCODE(p,l); break; \ } #define H5F_decode_length(f,p,l) \ switch(H5F_SIZEOF_SIZE(f)) { \ case 4: UINT32DECODE(p,l); break; \ case 8: UINT64DECODE(p,l); break; \ case 2: UINT16DECODE(p,l); break; \ } /* Forward declarations for prototypes arguments */ struct H5O_layout_t; struct H5O_efl_t; struct H5O_pline_t; struct H5O_fill_t; struct H5G_entry_t; /* library variables */ __DLLVAR__ const H5F_create_t H5F_create_dflt; __DLLVAR__ H5F_access_t H5F_access_dflt; __DLLVAR__ const H5F_xfer_t H5F_xfer_dflt; __DLLVAR__ const H5F_mprop_t H5F_mount_dflt; #ifdef HAVE_PARALLEL __DLLVAR__ hbool_t H5_mpi_1_metawrite_g; #endif /* HAVE_PARALLEL */ /* Private functions, not part of the publicly documented API */ __DLL__ herr_t H5F_init(void); __DLL__ void H5F_encode_length_unusual(const H5F_t *f, uint8_t **p, uint8_t *l); __DLL__ H5F_t *H5F_open(const char *name, uintn flags, const H5F_create_t *create_parms, const H5F_access_t *access_parms); __DLL__ herr_t H5F_close(H5F_t *f); __DLL__ herr_t H5F_close_all(void); __DLL__ herr_t H5F_flush_all(hbool_t invalidate); __DLL__ herr_t H5F_debug(H5F_t *f, const haddr_t *addr, FILE * stream, intn indent, intn fwidth); __DLL__ herr_t H5F_istore_debug(H5F_t *f, const haddr_t *addr, FILE * stream, intn indent, intn fwidth, int ndims); __DLL__ herr_t H5F_mountpoint(struct H5G_entry_t *find/*in,out*/); /* Functions that operate on array storage */ __DLL__ herr_t H5F_arr_create(H5F_t *f, struct H5O_layout_t *layout /*in,out*/); __DLL__ herr_t H5F_arr_read (H5F_t *f, const struct H5F_xfer_t *xfer, const struct H5O_layout_t *layout, const struct H5O_pline_t *pline, const struct H5O_fill_t *fill, const struct H5O_efl_t *efl, const hsize_t _hslab_size[], const hsize_t mem_size[], const hssize_t mem_offset[], const hssize_t file_offset[], void *_buf/*out*/); __DLL__ herr_t H5F_arr_write (H5F_t *f, const struct H5F_xfer_t *xfer, const struct H5O_layout_t *layout, const struct H5O_pline_t *pline, const struct H5O_fill_t *fill, const struct H5O_efl_t *efl, const hsize_t _hslab_size[], const hsize_t mem_size[], const hssize_t mem_offset[], const hssize_t file_offset[], const void *_buf); /* Functions that operate on indexed storage */ __DLL__ herr_t H5F_istore_init (H5F_t *f); __DLL__ herr_t H5F_istore_flush (H5F_t *f, hbool_t preempt); __DLL__ herr_t H5F_istore_dest (H5F_t *f); __DLL__ hsize_t H5F_istore_allocated(H5F_t *f, int ndims, haddr_t *addr); __DLL__ herr_t H5F_istore_stats (H5F_t *f, hbool_t headers); __DLL__ herr_t H5F_istore_create(H5F_t *f, struct H5O_layout_t *layout/*in,out*/); __DLL__ herr_t H5F_istore_read(H5F_t *f, const struct H5F_xfer_t *xfer, const struct H5O_layout_t *layout, const struct H5O_pline_t *pline, const struct H5O_fill_t *fill, const hssize_t offset[], const hsize_t size[], void *buf/*out*/); __DLL__ herr_t H5F_istore_write(H5F_t *f, const struct H5F_xfer_t *xfer, const struct H5O_layout_t *layout, const struct H5O_pline_t *pline, const struct H5O_fill_t *fill, const hssize_t offset[], const hsize_t size[], const void *buf); __DLL__ herr_t H5F_istore_allocate (H5F_t *f, const struct H5O_layout_t *layout, const hsize_t *space_dim, const double split_ratios[], const struct H5O_pline_t *pline, const struct H5O_fill_t *fill); __DLL__ herr_t H5F_istore_dump_btree(H5F_t *f, FILE *stream, int ndims, haddr_t *addr); /* Functions that operate on contiguous storage wrt boot block */ __DLL__ herr_t H5F_block_read(H5F_t *f, const haddr_t *addr, hsize_t size, const H5F_xfer_t *xfer_parms, void *buf); __DLL__ herr_t H5F_block_write(H5F_t *f, const haddr_t *addr, hsize_t size, const H5F_xfer_t *xfer_parms, const void *buf); /* Functions that operate directly on low-level files */ __DLL__ const H5F_low_class_t *H5F_low_class (H5F_driver_t driver); __DLL__ herr_t H5F_low_extend(H5F_low_t *lf, const H5F_access_t *access_parms, intn op, hsize_t size, haddr_t *addr/*out*/); __DLL__ herr_t H5F_low_seteof(H5F_low_t *lf, const haddr_t *addr); __DLL__ intn H5F_low_alloc (H5F_low_t *lf, intn op, hsize_t alignment, hsize_t threshold, hsize_t size, H5MF_free_t *blk, haddr_t *addr/*out*/); __DLL__ htri_t H5F_low_access(const H5F_low_class_t *type, const char *name, const H5F_access_t *access_parms, int mode, H5F_search_t *key); __DLL__ H5F_low_t *H5F_low_open(const H5F_low_class_t *type, const char *name, const H5F_access_t *access_parms, uintn flags, H5F_search_t *key); __DLL__ H5F_low_t *H5F_low_close(H5F_low_t *lf, const H5F_access_t *access_parms); __DLL__ hsize_t H5F_low_size(H5F_low_t *lf, haddr_t *addr); __DLL__ herr_t H5F_low_read(H5F_low_t *lf, const H5F_access_t *access_parms, const H5F_xfer_t *xfer_parms, const haddr_t *addr, size_t size, uint8_t *buf); __DLL__ herr_t H5F_low_write(H5F_low_t *lf, const H5F_access_t *access_parms, const H5F_xfer_t *xfer_parms, const haddr_t *addr, size_t size, const uint8_t *buf); __DLL__ herr_t H5F_low_flush(H5F_low_t *lf, const H5F_access_t *access_parms); /* Functions that operate on addresses */ #define H5F_addr_eq(A1,A2) (H5F_addr_cmp(A1,A2)==0) #define H5F_addr_ne(A1,A2) (H5F_addr_cmp(A1,A2)!=0) #define H5F_addr_lt(A1,A2) (H5F_addr_cmp(A1,A2)<0) #define H5F_addr_le(A1,A2) (H5F_addr_cmp(A1,A2)<=0) #define H5F_addr_gt(A1,A2) (H5F_addr_cmp(A1,A2)>0) #define H5F_addr_ge(A1,A2) (H5F_addr_cmp(A1,A2)>=0) __DLL__ intn H5F_addr_cmp(const haddr_t *, const haddr_t *); __DLL__ htri_t H5F_addr_defined(const haddr_t *); __DLL__ void H5F_addr_undef(haddr_t *); __DLL__ void H5F_addr_reset(haddr_t *); __DLL__ htri_t H5F_addr_zerop(const haddr_t *); __DLL__ void H5F_addr_encode(H5F_t *, uint8_t **, const haddr_t *); __DLL__ void H5F_addr_decode(H5F_t *, const uint8_t **, haddr_t *); __DLL__ void H5F_addr_print(FILE *, const haddr_t *); __DLL__ void H5F_addr_pow2(uintn, haddr_t *); __DLL__ void H5F_addr_inc(haddr_t *addr/*in,out*/, hsize_t inc); __DLL__ void H5F_addr_adj(haddr_t *addr/*in,out*/, hssize_t adj); __DLL__ void H5F_addr_add(haddr_t *, const haddr_t *); __DLL__ uintn H5F_addr_hash(const haddr_t *, uintn mod); __DLL__ herr_t H5F_addr_pack(H5F_t *f, haddr_t *addr, const unsigned long objno[2]); /* Functions for allocation/releasing chunks */ __DLL__ void * H5F_istore_chunk_alloc(size_t chunk_size); __DLL__ void * H5F_istore_chunk_free(void *chunk); __DLL__ void * H5F_istore_chunk_realloc(void *chunk, size_t new_size); /* Functions for MPI-IO */ #ifdef HAVE_PARALLEL __DLL__ htri_t H5F_mpio_tas_allsame(H5F_low_t *lf, hbool_t newval); __DLL__ herr_t H5PC_Wait_for_left_neighbor(MPI_Comm comm); __DLL__ herr_t H5PC_Signal_right_neighbor(MPI_Comm comm); #endif /* HAVE_PARALLEL */ #endif