diff options
Diffstat (limited to 'src/H5EA.c')
| -rw-r--r-- | src/H5EA.c | 124 |
1 files changed, 122 insertions, 2 deletions
@@ -461,7 +461,7 @@ HDfprintf(stderr, "%s: dblk_idx = %u, iblock->ndblk_addrs = %Zu\n", FUNC, dblk_i *thing_unprot_func = (H5EA__unprotect_func_t)H5EA__dblock_unprotect; } /* end if */ else { - unsigned sblk_off; /* Offset of super block in index block array of super blocks */ + size_t sblk_off; /* Offset of super block in index block array of super blocks */ /* Calculate offset of super block in index block's array */ sblk_off = sblk_idx - iblock->nsblks; @@ -779,6 +779,126 @@ END_FUNC(PRIV) /* end H5EA_get() */ /*------------------------------------------------------------------------- + * Function: H5EA_depend + * + * Purpose: Create a flush dependency on the array metadata that contains + * the element for an array index. + * + * Return: SUCCEED/FAIL + * + * Programmer: Quincey Koziol + * koziol@hdfgroup.org + * May 21 2009 + * + *------------------------------------------------------------------------- + */ +BEGIN_FUNC(PRIV, ERR, +herr_t, SUCCEED, FAIL, +H5EA_depend(const H5EA_t *ea, hid_t dxpl_id, hsize_t idx, H5AC_info_t *child_entry)) + + /* Local variables */ + H5EA_hdr_t *hdr = ea->hdr; /* Header for EA */ + void *thing = NULL; /* Pointer to the array metadata containing the array index we are interested in */ + uint8_t *thing_elmt_buf; /* Pointer to the element buffer for the array metadata */ + hsize_t thing_elmt_idx; /* Index of the element in the element buffer for the array metadata */ + H5EA__unprotect_func_t thing_unprot_func; /* Function pointer for unprotecting the array metadata */ + +#ifdef QAK +HDfprintf(stderr, "%s: Called\n", FUNC); +HDfprintf(stderr, "%s: Index %Hu\n", FUNC, idx); +#endif /* QAK */ + + /* + * Check arguments. + */ + HDassert(ea); + HDassert(hdr); + + /* Set the shared array header's file context for this operation */ + hdr->f = ea->f; + + /* Look up the array metadata containing the element we want to set */ + if(H5EA__lookup_elmt(ea, dxpl_id, idx, H5AC_WRITE, &thing, &thing_elmt_buf, &thing_elmt_idx, &thing_unprot_func) < 0) + H5E_THROW(H5E_CANTPROTECT, "unable to protect array metadata") + + /* Sanity check */ + HDassert(thing); + HDassert(thing_elmt_buf); + HDassert(thing_unprot_func); + + /* Set up flush dependency between child_entry and metadata array 'thing' */ + if(H5EA__create_flush_depend(hdr, (H5AC_info_t *)thing, child_entry) < 0) + H5E_THROW(H5E_CANTDEPEND, "unable to create flush dependency on array metadata") + +CATCH + /* Release resources */ + if(thing && (thing_unprot_func)(thing, dxpl_id, H5AC__NO_FLAGS_SET) < 0) + H5E_THROW(H5E_CANTUNPROTECT, "unable to release extensible array metadata") + +END_FUNC(PRIV) /* end H5EA_depend() */ + + +/*------------------------------------------------------------------------- + * Function: H5EA_undepend + * + * Purpose: Remove a flush dependency on the array metadata that contains + * the element for an array index. + * + * Return: SUCCEED/FAIL + * + * Programmer: Quincey Koziol + * koziol@hdfgroup.org + * May 21 2009 + * + *------------------------------------------------------------------------- + */ +BEGIN_FUNC(PRIV, ERR, +herr_t, SUCCEED, FAIL, +H5EA_undepend(const H5EA_t *ea, hid_t dxpl_id, hsize_t idx, H5AC_info_t *child_entry)) + + /* Local variables */ + H5EA_hdr_t *hdr = ea->hdr; /* Header for EA */ + void *thing = NULL; /* Pointer to the array metadata containing the array index we are interested in */ + uint8_t *thing_elmt_buf; /* Pointer to the element buffer for the array metadata */ + hsize_t thing_elmt_idx; /* Index of the element in the element buffer for the array metadata */ + H5EA__unprotect_func_t thing_unprot_func; /* Function pointer for unprotecting the array metadata */ + +#ifdef QAK +HDfprintf(stderr, "%s: Called\n", FUNC); +HDfprintf(stderr, "%s: Index %Hu\n", FUNC, idx); +#endif /* QAK */ + + /* + * Check arguments. + */ + HDassert(ea); + HDassert(hdr); + + /* Set the shared array header's file context for this operation */ + hdr->f = ea->f; + + /* Look up the array metadata containing the element we want to set */ + if(H5EA__lookup_elmt(ea, dxpl_id, idx, H5AC_READ, &thing, &thing_elmt_buf, &thing_elmt_idx, &thing_unprot_func) < 0) + H5E_THROW(H5E_CANTPROTECT, "unable to protect array metadata") + + /* Sanity check */ + HDassert(thing); + HDassert(thing_elmt_buf); + HDassert(thing_unprot_func); + + /* Remove flush dependency between child_entry and metadata array 'thing' */ + if(H5EA__destroy_flush_depend(hdr, (H5AC_info_t *)thing, child_entry) < 0) + H5E_THROW(H5E_CANTUNDEPEND, "unable to destroy flush dependency on array metadata") + +CATCH + /* Release resources */ + if(thing && (thing_unprot_func)(thing, dxpl_id, H5AC__NO_FLAGS_SET) < 0) + H5E_THROW(H5E_CANTUNPROTECT, "unable to release extensible array metadata") + +END_FUNC(PRIV) /* end H5EA_undepend() */ + + +/*------------------------------------------------------------------------- * Function: H5EA_close * * Purpose: Close an extensible array @@ -849,7 +969,7 @@ HDfprintf(stderr, "%s: Called\n", FUNC); } /* end if */ /* Release the extensible array wrapper */ - ea = H5FL_FREE(H5EA_t, ea); + ea = (H5EA_t *)H5FL_FREE(H5EA_t, ea); CATCH |