diff options
Diffstat (limited to 'src/H5HG.c')
-rw-r--r-- | src/H5HG.c | 91 |
1 files changed, 46 insertions, 45 deletions
@@ -140,31 +140,28 @@ H5FL_BLK_DEFINE(gheap_chunk); *------------------------------------------------------------------------- */ static haddr_t -H5HG_create (H5F_t *f, hid_t dxpl_id, size_t size) +H5HG_create(H5F_t *f, hid_t dxpl_id, size_t size) { H5HG_heap_t *heap = NULL; uint8_t *p = NULL; haddr_t addr; size_t n; - haddr_t ret_value; /* Return value */ + haddr_t ret_value = HADDR_UNDEF; /* Return value */ FUNC_ENTER_NOAPI_NOINIT(H5HG_create) /* Check args */ - assert (f); - if (size<H5HG_MINSIZE) + HDassert(f); + if(size < H5HG_MINSIZE) size = H5HG_MINSIZE; size = H5HG_ALIGN(size); /* Create it */ - H5_CHECK_OVERFLOW(size,size_t,hsize_t); - if ( HADDR_UNDEF== - (addr=H5MF_alloc(f, H5FD_MEM_GHEAP, dxpl_id, (hsize_t)size))) - HGOTO_ERROR (H5E_HEAP, H5E_CANTINIT, HADDR_UNDEF, \ - "unable to allocate file space for global heap"); - if (NULL==(heap = H5FL_MALLOC (H5HG_heap_t))) - HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, HADDR_UNDEF, \ - "memory allocation failed"); + H5_CHECK_OVERFLOW(size, size_t, hsize_t); + if(HADDR_UNDEF == (addr = H5MF_alloc(f, H5FD_MEM_GHEAP, dxpl_id, (hsize_t)size))) + HGOTO_ERROR(H5E_HEAP, H5E_CANTINIT, HADDR_UNDEF, "unable to allocate file space for global heap") + if(NULL == (heap = H5FL_MALLOC(H5HG_heap_t))) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, HADDR_UNDEF, "memory allocation failed") heap->addr = addr; heap->size = size; @@ -185,14 +182,14 @@ HDmemset(heap->chunk, 0, size); *p++ = 0; /*reserved*/ *p++ = 0; /*reserved*/ *p++ = 0; /*reserved*/ - H5F_ENCODE_LENGTH (f, p, size); + H5F_ENCODE_LENGTH(f, p, size); /* * Padding so free space object is aligned. If malloc returned memory * which was always at least H5HG_ALIGNMENT aligned then we could just * align the pointer, but this might not be the case. */ - n = H5HG_ALIGN(p-heap->chunk) - (p-heap->chunk); + n = H5HG_ALIGN(p - heap->chunk) - (p - heap->chunk); #ifdef OLD_WAY /* Don't bother zeroing out the rest of the info in the heap -QAK */ HDmemset(p, 0, n); @@ -207,7 +204,7 @@ HDmemset(heap->chunk, 0, size); UINT16ENCODE(p, 0); /*object ID*/ UINT16ENCODE(p, 0); /*reference count*/ UINT32ENCODE(p, 0); /*reserved*/ - H5F_ENCODE_LENGTH (f, p, heap->obj[0].size); + H5F_ENCODE_LENGTH(f, p, heap->obj[0].size); #ifdef OLD_WAY /* Don't bother zeroing out the rest of the info in the heap -QAK */ HDmemset (p, 0, (size_t)((heap->chunk+heap->size) - p)); @@ -226,7 +223,7 @@ HDmemset(heap->chunk, 0, size); MIN(f->shared->ncwfs, H5HG_NCWFS - 1) * sizeof(H5HG_heap_t *)); f->shared->cwfs[0] = heap; f->shared->ncwfs = MIN(H5HG_NCWFS, f->shared->ncwfs+1); - } + } /* end else */ /* Add the heap to the cache */ if(H5AC_set(f, dxpl_id, H5AC_GHEAP, addr, heap, H5AC__NO_FLAGS_SET) < 0) @@ -235,9 +232,20 @@ HDmemset(heap->chunk, 0, size); ret_value = addr; done: - if(!(H5F_addr_defined(addr)) && heap) - if(H5HG_dest(f, heap) < 0) - HDONE_ERROR(H5E_HEAP, H5E_CANTFREE, HADDR_UNDEF, "unable to destroy global heap collection") + /* Cleanup on error */ + if(!H5F_addr_defined(ret_value)) { + if(H5F_addr_defined(addr)) { + /* Release the space on disk */ + if(H5MF_xfree(f, H5FD_MEM_GHEAP, dxpl_id, addr, (hsize_t)size) < 0) + HDONE_ERROR(H5E_BTREE, H5E_CANTFREE, HADDR_UNDEF, "unable to free global heap") + + /* Check if the heap object was allocated */ + if(heap) + /* Destroy the heap object */ + if(H5HG_dest(f, heap) < 0) + HDONE_ERROR(H5E_HEAP, H5E_CANTFREE, HADDR_UNDEF, "unable to destroy global heap collection") + } /* end if */ + } /* end if */ FUNC_LEAVE_NOAPI(ret_value); } /* H5HG_create() */ @@ -704,54 +712,47 @@ done: * Programmer: Robb Matzke * Monday, March 30, 1998 * - * Modifications: - * - * John Mainzer - 6/8/05 - * Modified function to use the dirtied parameter of - * H5AC_unprotect() instead of modifying the is_dirty - * field of the cache info. - * *------------------------------------------------------------------------- */ int -H5HG_link (H5F_t *f, hid_t dxpl_id, const H5HG_t *hobj, int adjust) +H5HG_link(H5F_t *f, hid_t dxpl_id, const H5HG_t *hobj, int adjust) { H5HG_heap_t *heap = NULL; unsigned heap_flags = H5AC__NO_FLAGS_SET; int ret_value; /* Return value */ - FUNC_ENTER_NOAPI(H5HG_link, FAIL); + FUNC_ENTER_NOAPI(H5HG_link, FAIL) /* Check args */ - assert (f); - assert (hobj); - if (0==(f->intent & H5F_ACC_RDWR)) + HDassert(f); + HDassert(hobj); + if(0 == (f->intent & H5F_ACC_RDWR)) HGOTO_ERROR(H5E_HEAP, H5E_WRITEERROR, FAIL, "no write intent on file") - if(adjust!=0) { - /* Load the heap */ - if (NULL == (heap = (H5HG_heap_t *)H5AC_protect(f, dxpl_id, H5AC_GHEAP, hobj->addr, NULL, NULL, H5AC_WRITE))) - HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, FAIL, "unable to load heap") - - assert (hobj->idx<heap->nused); - assert (heap->obj[hobj->idx].begin); - if (heap->obj[hobj->idx].nrefs+adjust<0) - HGOTO_ERROR (H5E_HEAP, H5E_BADRANGE, FAIL, "new link count would be out of range") - if (heap->obj[hobj->idx].nrefs+adjust>H5HG_MAXLINK) - HGOTO_ERROR (H5E_HEAP, H5E_BADVALUE, FAIL, "new link count would be out of range") + /* Load the heap */ + if(NULL == (heap = (H5HG_heap_t *)H5AC_protect(f, dxpl_id, H5AC_GHEAP, hobj->addr, NULL, NULL, H5AC_WRITE))) + HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, FAIL, "unable to load heap") + + if(adjust != 0) { + HDassert(hobj->idx < heap->nused); + HDassert(heap->obj[hobj->idx].begin); + if((heap->obj[hobj->idx].nrefs + adjust) < 0) + HGOTO_ERROR(H5E_HEAP, H5E_BADRANGE, FAIL, "new link count would be out of range") + if((heap->obj[hobj->idx].nrefs + adjust) > H5HG_MAXLINK) + HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "new link count would be out of range") heap->obj[hobj->idx].nrefs += adjust; heap_flags |= H5AC__DIRTIED_FLAG; } /* end if */ /* Set return value */ - ret_value=heap->obj[hobj->idx].nrefs; + ret_value = heap->obj[hobj->idx].nrefs; done: if(heap && H5AC_unprotect(f, dxpl_id, H5AC_GHEAP, hobj->addr, heap, heap_flags) < 0) HDONE_ERROR(H5E_HEAP, H5E_PROTECT, FAIL, "unable to release object header") - FUNC_LEAVE_NOAPI(ret_value); -} + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5HG_link() */ /*------------------------------------------------------------------------- |