diff options
Diffstat (limited to 'src/H5Fprivate.h')
| -rw-r--r-- | src/H5Fprivate.h | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/src/H5Fprivate.h b/src/H5Fprivate.h index 5b0ec5b..dcf5e69 100644 --- a/src/H5Fprivate.h +++ b/src/H5Fprivate.h @@ -242,6 +242,8 @@ typedef struct H5F_access_t { intn mdc_nelmts; /* Size of meta data cache (nelmts) */ 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 */ H5F_driver_t driver; /* Low level file driver */ union { @@ -291,6 +293,13 @@ typedef enum { 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; + /* * Define the low-level file interface. */ @@ -312,7 +321,10 @@ typedef struct H5F_low_class_t { 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); + intn op, hsize_t size, haddr_t *addr/*out*/); + intn (*alloc)(struct H5F_low_t *lf, intn op, hsize_t alignment, + hsize_t threshold, size_t size, H5MF_free_t *blk, + haddr_t *addr/*out*/); } H5F_low_class_t; typedef struct H5F_low_t { @@ -423,6 +435,8 @@ typedef struct H5F_file_t { 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; /* @@ -536,8 +550,11 @@ herr_t H5F_block_write(H5F_t *f, const haddr_t *addr, hsize_t size, /* Functions that operate directly on low-level files */ const H5F_low_class_t *H5F_low_class (H5F_driver_t driver); herr_t H5F_low_extend(H5F_low_t *lf, const H5F_access_t *access_parms, - intn op, hsize_t size, haddr_t *addr); + intn op, hsize_t size, haddr_t *addr/*out*/); herr_t H5F_low_seteof(H5F_low_t *lf, const haddr_t *addr); +intn H5F_low_alloc (H5F_low_t *lf, intn op, hsize_t alignment, + hsize_t threshold, size_t size, H5MF_free_t *blk, + haddr_t *addr/*out*/); hbool_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); |