diff options
Diffstat (limited to 'libstore/store.h')
| -rw-r--r-- | libstore/store.h | 44 |
1 files changed, 25 insertions, 19 deletions
diff --git a/libstore/store.h b/libstore/store.h index 4bf928bf..d3f24e3e 100644 --- a/libstore/store.h +++ b/libstore/store.h @@ -28,7 +28,7 @@ #include <mach.h> #include <device/device.h> #include <hurd/hurd_types.h> - + struct store { /* If this store was created using store_create, the file from which we got @@ -82,7 +82,7 @@ struct store_meths ADDR. */ store_write_meth_t write; }; - + /* Return a new store in STORE, which refers to the storage underlying SOURCE. A reference to SOURCE is created (but may be destroyed with store_close_source). */ @@ -112,15 +112,35 @@ error_t _store_file_create (file_t file, void store_free (struct store *store); -/* If STORE was created using store_create, remove the reference to the - source from which it was created. */ -void store_close_source (struct store *store); +/* Allocate a new store structure of class CLASS, with meths METHS. */ +struct store * +_make_store (enum file_storage_class class, struct store_meths *meths); + +/* Set STORE's current runs list to (a copy of) RUNS and RUNS_LEN. */ +error_t store_set_runs (struct store *store, off_t *runs, unsigned runs_len); + +/* Sets the name associated with STORE to a copy of NAME. */ +error_t store_set_name (struct store *store, char *name); +/* Fills in the values of the various fields in STORE that are derivable from + the set of runs & the block size. */ +void _store_derive (struct store *store); + +/* Write LEN bytes from BUF to STORE at ADDR. Returns the amount written + in AMOUNT. ADDR is in BLOCKS (as defined by STORE->block_size). */ error_t store_write (struct store *store, off_t addr, char *buf, size_t len, size_t *amount); + +/* Read AMOUNT bytes from STORE at ADDR into BUF & LEN (which following the + usual mach buffer-return semantics) to STORE at ADDR. ADDR is in BLOCKS + (as defined by STORE->block_size). */ error_t store_read (struct store *store, off_t addr, size_t amount, char **buf, size_t *len); +/* If STORE was created using store_create, remove the reference to the + source from which it was created. */ +void store_close_source (struct store *store); + #if 0 /* Return a memory object paging on STORE. [among other reasons,] this may @@ -143,18 +163,4 @@ error_t store_create_pager (struct store *store, vm_prot_t prot, ..., #endif -/* Set STORE's current runs list to (a copy of) RUNS and RUNS_LEN. */ -error_t store_set_runs (struct store *store, off_t *runs, unsigned runs_len); - -/* Sets the name associated with STORE to a copy of NAME. */ -error_t store_set_name (struct store *store, char *name); - -/* Fills in the values of the various fields in STORE that are derivable from - the set of runs & the block size. */ -void _store_derive (struct store *store); - -/* Allocate a new store structure of class CLASS, with meths METHS. */ -struct store * -_make_store (enum file_storage_class class, struct store_meths *meths); - #endif /* __STORE_H__ */ |