hdf5.git - Mirror from: https://github.com/HDFGroup/hdf5.git

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author	Albert Cheng <acheng@hdfgroup.org>	1999-11-04 06:54:44 (GMT)
committer	Albert Cheng <acheng@hdfgroup.org>	1999-11-04 06:54:44 (GMT)
commit	febbb4c50d9ebc5056364caa0c0a7a1933d52767 (patch)
tree	c8adb589be8b68cc8dbdf94833a6ebc332e1d4a7
parent	8052e4729492f5a264cd533291c382ede61f71ff (diff)
download	hdf5-febbb4c50d9ebc5056364caa0c0a7a1933d52767.zip hdf5-febbb4c50d9ebc5056364caa0c0a7a1933d52767.tar.gz hdf5-febbb4c50d9ebc5056364caa0c0a7a1933d52767.tar.bz2

[svn-r1826] Got rid of old commented out commands.

Added uname to show host information automatically.

Diffstat

-rwxr-xr-x

bin/snapshot

1 files changed, 5 insertions, 10 deletions

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright by The HDF Group. * * Copyright by the Board of Trustees of the University of Illinois. * * All rights reserved. * * * * This file is part of HDF5. The full HDF5 copyright notice, including * * terms governing use, modification, and redistribution, is contained in * * the files COPYING and Copyright.html. COPYING can be found at the root * * of the source code distribution tree; Copyright.html can be found at the * * root level of an installed copy of the electronic HDF5 document set and * * is linked from the top-level documents page. It can also be found at * * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * * access to either file, you may request a copy from help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /*------------------------------------------------------------------------- * * Created: H5MF.c * Jul 11 1997 * Robb Matzke <matzke@llnl.gov> * * Purpose: File memory management functions. * *------------------------------------------------------------------------- */ /****************/ /* Module Setup */ /****************/ #define H5F_PACKAGE /*suppress error about including H5Fpkg */ #define H5MF_PACKAGE /*suppress error about including H5MFpkg */ /***********/ /* Headers */ /***********/ #include "H5private.h" /* Generic Functions */ #include "H5Eprivate.h" /* Error handling */ #include "H5Fpkg.h" /* File access */ #include "H5MFpkg.h" /* File memory management */ #include "H5Vprivate.h" /* Vectors and arrays */ /****************/ /* Local Macros */ /****************/ #define H5MF_FSPACE_SHRINK 80 /* Percent of "normal" size to shrink serialized free space size */ #define H5MF_FSPACE_EXPAND 120 /* Percent of "normal" size to expand serialized free space size */ /* Map an allocation request type to a free list */ #define H5MF_ALLOC_TO_FS_TYPE(F, T) ((H5FD_MEM_DEFAULT == (F)->shared->fs_type_map[T]) \ ? (T) : (F)->shared->fs_type_map[T]) /******************/ /* Local Typedefs */ /******************/ /* Enum for kind of free space section+aggregator merging allowed for a file */ typedef enum { H5MF_AGGR_MERGE_SEPARATE, /* Everything in separate free list */ H5MF_AGGR_MERGE_DICHOTOMY, /* Metadata in one free list and raw data in another */ H5MF_AGGR_MERGE_TOGETHER /* Metadata & raw data in one free list */ } H5MF_aggr_merge_t; /* User data for section info iterator callback for iterating over free space sections */ typedef struct { H5F_sect_info_t *sects; /* section info to be retrieved */ size_t sect_count; /* # of sections requested */ size_t sect_idx; /* the current count of sections */ } H5MF_sect_iter_ud_t; /********************/ /* Package Typedefs */ /********************/ /********************/ /* Local Prototypes */ /********************/ /* Allocator routines */ static herr_t H5MF_alloc_create(H5F_t *f, hid_t dxpl_id, H5FD_mem_t type); static herr_t H5MF_alloc_close(H5F_t *f, hid_t dxpl_id, H5FD_mem_t type); /*********************/ /* Package Variables */ /*********************/ /*****************************/ /* Library Private Variables */ /*****************************/ /*******************/ /* Local Variables */ /*******************/ /*------------------------------------------------------------------------- * Function: H5MF_init_merge_flags * * Purpose: Initialize the free space section+aggregator merge flags * for the file. * * Return: SUCCEED/FAIL * * Programmer: Quincey Koziol * Friday, February 1, 2008 * *------------------------------------------------------------------------- */ herr_t H5MF_init_merge_flags(H5F_t *f) { H5MF_aggr_merge_t mapping_type; /* Type of free list mapping */ H5FD_mem_t type; /* Memory type for iteration */ hbool_t all_same; /* Whether all the types map to the same value */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) /* check args */ HDassert(f); HDassert(f->shared); HDassert(f->shared->lf); /* Iterate over all the free space types to determine if sections of that type * can merge with the metadata or small 'raw' data aggregator */ all_same = TRUE; for(type = H5FD_MEM_DEFAULT; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) /* Check for any different type mappings */ if(f->shared->fs_type_map[type] != f->shared->fs_type_map[H5FD_MEM_DEFAULT]) { all_same = FALSE; break; } /* end if */ /* Check for all allocation types mapping to the same free list type */ if(all_same) { if(f->shared->fs_type_map[H5FD_MEM_DEFAULT] == H5FD_MEM_DEFAULT) mapping_type = H5MF_AGGR_MERGE_SEPARATE; else mapping_type = H5MF_AGGR_MERGE_TOGETHER; } /* end if */ else { /* Check for raw data mapping into same list as metadata */ if(f->shared->fs_type_map[H5FD_MEM_DRAW] == f->shared->fs_type_map[H5FD_MEM_SUPER]) mapping_type = H5MF_AGGR_MERGE_SEPARATE; else { hbool_t all_metadata_same; /* Whether all metadata go in same free list */ /* One or more allocation type don't map to the same free list type */ /* Check if all the metadata allocation types map to the same type */ all_metadata_same = TRUE; for(type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) /* Skip checking raw data free list mapping */ /* (global heap is treated as raw data) */ if(type != H5FD_MEM_DRAW && type != H5FD_MEM_GHEAP) { /* Check for any different type mappings */ if(f->shared->fs_type_map[type] != f->shared->fs_type_map[H5FD_MEM_SUPER]) { all_metadata_same = FALSE; break; } /* end if */ } /* end if */ /* Check for all metadata on same free list */ if(all_metadata_same) mapping_type = H5MF_AGGR_MERGE_DICHOTOMY; else mapping_type = H5MF_AGGR_MERGE_SEPARATE; } /* end else */ } /* end else */ /* Based on mapping type, initialize merging flags for each free list type */ switch(mapping_type) { case H5MF_AGGR_MERGE_SEPARATE: /* Don't merge any metadata together */ HDmemset(f->shared->fs_aggr_merge, 0, sizeof(f->shared->fs_aggr_merge)); /* Check if merging raw data should be allowed */ /* (treat global heaps as raw data) */ if(H5FD_MEM_DRAW == f->shared->fs_type_map[H5FD_MEM_DRAW] || H5FD_MEM_DEFAULT == f->shared->fs_type_map[H5FD_MEM_DRAW]) { f->shared->fs_aggr_merge[H5FD_MEM_DRAW] = H5F_FS_MERGE_RAWDATA; f->shared->fs_aggr_merge[H5FD_MEM_GHEAP] = H5F_FS_MERGE_RAWDATA; } /* end if */ break; case H5MF_AGGR_MERGE_DICHOTOMY: /* Merge all metadata together (but not raw data) */ HDmemset(f->shared->fs_aggr_merge, H5F_FS_MERGE_METADATA, sizeof(f->shared->fs_aggr_merge)); /* Allow merging raw data allocations together */ /* (treat global heaps as raw data) */ f->shared->fs_aggr_merge[H5FD_MEM_DRAW] = H5F_FS_MERGE_RAWDATA; f->shared->fs_aggr_merge[H5FD_MEM_GHEAP] = H5F_FS_MERGE_RAWDATA; break; case H5MF_AGGR_MERGE_TOGETHER: /* Merge all allocation types together */ HDmemset(f->shared->fs_aggr_merge, (H5F_FS_MERGE_METADATA | H5F_FS_MERGE_RAWDATA), sizeof(f->shared->fs_aggr_merge)); break; default: HGOTO_ERROR(H5E_RESOURCE, H5E_BADVALUE, FAIL, "invalid mapping type") } /* end switch */ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5MF_init_merge_flags() */ /*------------------------------------------------------------------------- * Function: H5MF_alloc_open * * Purpose: Open an existing free space manager of TYPE for file by * creating a free-space structure * * Return: Success: non-negative * Failure: negative * * Programmer: Quincey Koziol * koziol@hdfgroup.org * Jan 8 2008 * *------------------------------------------------------------------------- */ herr_t H5MF_alloc_open(H5F_t *f, hid_t dxpl_id, H5FD_mem_t type) { const H5FS_section_class_t *classes[] = { /* Free space section classes implemented for file */ H5MF_FSPACE_SECT_CLS_SIMPLE}; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI_NOINIT /* * Check arguments. */ HDassert(f); HDassert(f->shared); HDassert(type != H5FD_MEM_NOLIST); HDassert(H5F_addr_defined(f->shared->fs_addr[type])); HDassert(f->shared->fs_state[type] == H5F_FS_STATE_CLOSED); /* Open an existing free space structure for the file */ if(NULL == (f->shared->fs_man[type] = H5FS_open(f, dxpl_id, f->shared->fs_addr[type], NELMTS(classes), classes, f, f->shared->alignment, f->shared->threshold))) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't initialize free space info") /* Set the state for the free space manager to "open", if it is now */ if(f->shared->fs_man[type]) f->shared->fs_state[type] = H5F_FS_STATE_OPEN; done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5MF_alloc_open() */ /*------------------------------------------------------------------------- * Function: H5MF_alloc_create * * Purpose: Create free space manager of TYPE for the file by creating * a free-space structure * * Return: Success: non-negative * Failure: negative * * Programmer: Quincey Koziol * koziol@hdfgroup.org * Jan 8 2008 * *------------------------------------------------------------------------- */ static herr_t H5MF_alloc_create(H5F_t *f, hid_t dxpl_id, H5FD_mem_t type) { const H5FS_section_class_t *classes[] = { /* Free space section classes implemented for file */ H5MF_FSPACE_SECT_CLS_SIMPLE}; herr_t ret_value = SUCCEED; /* Return value */ H5FS_create_t fs_create; /* Free space creation parameters */ FUNC_ENTER_NOAPI_NOINIT /* * Check arguments. */ HDassert(f); HDassert(f->shared); HDassert(type != H5FD_MEM_NOLIST); HDassert(!H5F_addr_defined(f->shared->fs_addr[type])); HDassert(f->shared->fs_state[type] == H5F_FS_STATE_CLOSED); /* Set the free space creation parameters */ fs_create.client = H5FS_CLIENT_FILE_ID; fs_create.shrink_percent = H5MF_FSPACE_SHRINK; fs_create.expand_percent = H5MF_FSPACE_EXPAND; fs_create.max_sect_addr = 1 + H5V_log2_gen((uint64_t)f->shared->maxaddr); fs_create.max_sect_size = f->shared->maxaddr; if(NULL == (f->shared->fs_man[type] = H5FS_create(f, dxpl_id, NULL, &fs_create, NELMTS(classes), classes, f, f->shared->alignment, f->shared->threshold))) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't initialize free space info") /* Set the state for the free space manager to "open", if it is now */ if(f->shared->fs_man[type]) f->shared->fs_state[type] = H5F_FS_STATE_OPEN; done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5MF_alloc_create() */ /*------------------------------------------------------------------------- * Function: H5MF_alloc_start * * Purpose: Open or create a free space manager of a given type * * Return: Success: non-negative * Failure: negative * * Programmer: Quincey Koziol * koziol@hdfgroup.org * Jan 8 2008 * *------------------------------------------------------------------------- */ herr_t H5MF_alloc_start(H5F_t *f, hid_t dxpl_id, H5FD_mem_t type) { herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI_NOINIT /* * Check arguments. */ HDassert(f); HDassert(f->shared); HDassert(type != H5FD_MEM_NOLIST); /* Check if the free space manager exists already */ if(H5F_addr_defined(f->shared->fs_addr[type])) { /* Open existing free space manager */ if(H5MF_alloc_open(f, dxpl_id, type) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTOPENOBJ, FAIL, "can't initialize file free space") } /* end if */ else { /* Create new free space manager */ if(H5MF_alloc_create(f, dxpl_id, type) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTCREATE, FAIL, "can't initialize file free space") } /* end else */ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5MF_alloc_start() */ /*------------------------------------------------------------------------- * Function: H5MF_alloc_close * * Purpose: Close an existing free space manager of TYPE for file * * Return: Success: non-negative * Failure: negative * * Programmer: Vailin Choi; July 1st, 2009 * *------------------------------------------------------------------------- */ static herr_t H5MF_alloc_close(H5F_t *f, hid_t dxpl_id, H5FD_mem_t type) { herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI_NOINIT /* * Check arguments. */ HDassert(f); HDassert(f->shared); HDassert(type != H5FD_MEM_NOLIST); HDassert(f->shared->fs_man[type]); HDassert(f->shared->fs_state[type] != H5F_FS_STATE_CLOSED); /* Close an existing free space structure for the file */ if(H5FS_close(f, dxpl_id, f->shared->fs_man[type]) < 0) HGOTO_ERROR(H5E_FSPACE, H5E_CANTRELEASE, FAIL, "can't release free space info") f->shared->fs_man[type] = NULL; f->shared->fs_state[type] = H5F_FS_STATE_CLOSED; done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5MF_alloc_close() */ /*------------------------------------------------------------------------- * Function: H5MF_alloc * * Purpose: Allocate SIZE bytes of file memory and return the relative * address where that contiguous chunk of file memory exists. * The TYPE argument describes the purpose for which the storage * is being requested. * * Return: Success: The file address of new chunk. * Failure: HADDR_UNDEF * * Programmer: Robb Matzke * matzke@llnl.gov * Jul 11 1997 * *------------------------------------------------------------------------- */ haddr_t H5MF_alloc(H5F_t *f, H5FD_mem_t alloc_type, hid_t dxpl_id, hsize_t size) { H5FD_mem_t fs_type; /* Free space type (mapped from allocation type) */ haddr_t ret_value; /* Return value */ FUNC_ENTER_NOAPI(HADDR_UNDEF) #ifdef H5MF_ALLOC_DEBUG HDfprintf(stderr, "%s: alloc_type = %u, size = %Hu\n", FUNC, (unsigned)alloc_type, size); #endif /* H5MF_ALLOC_DEBUG */ /* check arguments */ HDassert(f); HDassert(f->shared); HDassert(f->shared->lf); HDassert(size > 0); /* Get free space type from allocation type */ fs_type = H5MF_ALLOC_TO_FS_TYPE(f, alloc_type); /* Check if we are using the free space manager for this file */ if(H5F_HAVE_FREE_SPACE_MANAGER(f)) { /* Check if the free space manager for the file has been initialized */ if(!f->shared->fs_man[fs_type] && H5F_addr_defined(f->shared->fs_addr[fs_type])) if(H5MF_alloc_open(f, dxpl_id, fs_type) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTOPENOBJ, HADDR_UNDEF, "can't initialize file free space") /* Search for large enough space in the free space manager */ if(f->shared->fs_man[fs_type]) { H5MF_free_section_t *node; /* Free space section pointer */ htri_t node_found = FALSE; /* Whether an existing free list node was found */ /* Try to get a section from the free space manager */ if((node_found = H5FS_sect_find(f, dxpl_id, f->shared->fs_man[fs_type], size, (H5FS_section_info_t **)&node)) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, HADDR_UNDEF, "error locating free space in file") #ifdef H5MF_ALLOC_DEBUG_MORE HDfprintf(stderr, "%s: Check 1.5, node_found = %t\n", FUNC, node_found); #endif /* H5MF_ALLOC_DEBUG_MORE */ /* Check for actually finding section */ if(node_found) { /* Sanity check */ HDassert(node); /* Retrieve return value */ ret_value = node->sect_info.addr; /* Check for eliminating the section */ if(node->sect_info.size == size) { #ifdef H5MF_ALLOC_DEBUG_MORE HDfprintf(stderr, "%s: Check 1.6, freeing node\n", FUNC); #endif /* H5MF_ALLOC_DEBUG_MORE */ /* Free section node */ if(H5MF_sect_simple_free((H5FS_section_info_t *)node) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, HADDR_UNDEF, "can't free simple section node") } /* end if */ else { H5MF_sect_ud_t udata; /* User data for callback */ /* Adjust information for section */ node->sect_info.addr += size; node->sect_info.size -= size; /* Construct user data for callbacks */ udata.f = f; udata.dxpl_id = dxpl_id; udata.alloc_type = alloc_type; udata.allow_sect_absorb = TRUE; udata.allow_eoa_shrink_only = FALSE; #ifdef H5MF_ALLOC_DEBUG_MORE HDfprintf(stderr, "%s: Check 1.7, re-adding node, node->sect_info.size = %Hu\n", FUNC, node->sect_info.size); #endif /* H5MF_ALLOC_DEBUG_MORE */ /* Re-insert section node into file's free space */ if(H5FS_sect_add(f, dxpl_id, f->shared->fs_man[fs_type], (H5FS_section_info_t *)node, H5FS_ADD_RETURNED_SPACE, &udata) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINSERT, HADDR_UNDEF, "can't re-add section to file free space") } /* end else */ /* Leave now */ HGOTO_DONE(ret_value) } /* end if */ } /* end if */ #ifdef H5MF_ALLOC_DEBUG_MORE HDfprintf(stderr, "%s: Check 2.0\n", FUNC); #endif /* H5MF_ALLOC_DEBUG_MORE */ } /* end if */ /* Allocate from the metadata aggregator (or the VFD) */ if(HADDR_UNDEF == (ret_value = H5MF_aggr_vfd_alloc(f, alloc_type, dxpl_id, size))) HGOTO_ERROR(H5E_VFL, H5E_CANTALLOC, HADDR_UNDEF, "allocation failed from aggr/vfd") done: #ifdef H5MF_ALLOC_DEBUG HDfprintf(stderr, "%s: Leaving: ret_value = %a, size = %Hu\n", FUNC, ret_value, size); #endif /* H5MF_ALLOC_DEBUG */ #ifdef H5MF_ALLOC_DEBUG_DUMP H5MF_sects_dump(f, dxpl_id, stderr); #endif /* H5MF_ALLOC_DEBUG_DUMP */ FUNC_LEAVE_NOAPI(ret_value) } /* end H5MF_alloc() */ /*------------------------------------------------------------------------- * Function: H5MF_alloc_tmp * * Purpose: Allocate temporary space in the file * * Note: The address returned is non-overlapping with any other address * in the file and suitable for insertion into the metadata * cache. * * The address is _not_ suitable for actual file I/O and will * cause an error if it is so used. * * The space allocated with this routine should _not_ be freed, * it should just be abandoned. Calling H5MF_xfree() with space * from this routine will cause an error. * * Return: Success: Temporary file address * Failure: HADDR_UNDEF * * Programmer: Quincey Koziol * Thursday, June 4, 2009 * *------------------------------------------------------------------------- */ haddr_t H5MF_alloc_tmp(H5F_t *f, hsize_t size) { haddr_t eoa; /* End of allocated space in the file */ haddr_t ret_value; /* Return value */ FUNC_ENTER_NOAPI(HADDR_UNDEF) #ifdef H5MF_ALLOC_DEBUG HDfprintf(stderr, "%s: size = %Hu\n", FUNC, size); #endif /* H5MF_ALLOC_DEBUG */ /* check args */ HDassert(f); HDassert(f->shared); HDassert(f->shared->lf); HDassert(size > 0); /* Retrieve the 'eoa' for the file */ if(HADDR_UNDEF == (eoa = H5FD_get_eoa(f->shared->lf, H5FD_MEM_DEFAULT))) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, HADDR_UNDEF, "driver get_eoa request failed") /* Compute value to return */ ret_value = f->shared->tmp_addr - size; /* Check for overlap into the actual allocated space in the file */ if(H5F_addr_le(ret_value, eoa)) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, HADDR_UNDEF, "driver get_eoa request failed") /* Adjust temporary address allocator in the file */ f->shared->tmp_addr = ret_value; done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5MF_alloc_tmp() */ /*------------------------------------------------------------------------- * Function: H5MF_xfree * * Purpose: Frees part of a file, making that part of the file * available for reuse. * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * matzke@llnl.gov * Jul 17 1997 * *------------------------------------------------------------------------- */ herr_t H5MF_xfree(H5F_t *f, H5FD_mem_t alloc_type, hid_t dxpl_id, haddr_t addr, hsize_t size) { H5MF_free_section_t *node = NULL; /* Free space section pointer */ H5MF_sect_ud_t udata; /* User data for callback */ H5FD_mem_t fs_type; /* Free space type (mapped from allocation type) */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) #ifdef H5MF_ALLOC_DEBUG HDfprintf(stderr, "%s: Entering - alloc_type = %u, addr = %a, size = %Hu\n", FUNC, (unsigned)alloc_type, addr, size); #endif /* H5MF_ALLOC_DEBUG */ /* check arguments */ HDassert(f); if(!H5F_addr_defined(addr) || 0 == size) HGOTO_DONE(SUCCEED); HDassert(addr != 0); /* Can't deallocate the superblock :-) */ /* Check for attempting to free space that's a 'temporary' file address */ if(H5F_addr_le(f->shared->tmp_addr, addr)) HGOTO_ERROR(H5E_RESOURCE, H5E_BADRANGE, FAIL, "attempting to free temporary file space") /* Check if the space to free intersects with the file's metadata accumulator */ if(H5F_accum_free(f, dxpl_id, alloc_type, addr, size) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTFREE, FAIL, "can't check free space intersection w/metadata accumulator") /* Get free space type from allocation type */ fs_type = H5MF_ALLOC_TO_FS_TYPE(f, alloc_type); #ifdef H5MF_ALLOC_DEBUG_MORE HDfprintf(stderr, "%s: fs_type = %u\n", FUNC, (unsigned)fs_type); #endif /* H5MF_ALLOC_DEBUG_MORE */ /* Check if the free space manager for the file has been initialized */ if(!f->shared->fs_man[fs_type]) { /* If there's no free space manager for objects of this type, * see if we can avoid creating one by checking if the freed * space is at the end of the file */ #ifdef H5MF_ALLOC_DEBUG_MORE HDfprintf(stderr, "%s: f->shared->fs_addr[%u] = %a\n", FUNC, (unsigned)fs_type, f->shared->fs_addr[fs_type]); #endif /* H5MF_ALLOC_DEBUG_MORE */ if(!H5F_addr_defined(f->shared->fs_addr[fs_type])) { htri_t status; /* "can absorb" status for section into */ #ifdef H5MF_ALLOC_DEBUG_MORE HDfprintf(stderr, "%s: Trying to avoid starting up free space manager\n", FUNC); #endif /* H5MF_ALLOC_DEBUG_MORE */ /* Try to shrink the file or absorb the block into a block aggregator */ if((status = H5MF_try_shrink(f, alloc_type, dxpl_id, addr, size)) < 0) HGOTO_ERROR(H5E_FSPACE, H5E_CANTMERGE, FAIL, "can't check for absorbing block") else if(status > 0) /* Indicate success */ HGOTO_DONE(SUCCEED) else if(size < f->shared->fs_threshold) { #ifdef H5MF_ALLOC_DEBUG_MORE HDfprintf(stderr, "%s: dropping addr = %a, size = %Hu, on the floor!\n", FUNC, addr, size); #endif /* H5MF_ALLOC_DEBUG_MORE */ HGOTO_DONE(SUCCEED) } } /* end if */ /* If we are deleting the free space manager, leave now, to avoid * [re-]starting it. * or if file space strategy type is not using a free space manager * (H5F_FILE_SPACE_AGGR_VFD or H5F_FILE_SPACE_VFD), drop free space * section on the floor. * * Note: this drops the space to free on the floor... * */ if(f->shared->fs_state[fs_type] == H5F_FS_STATE_DELETING || !H5F_HAVE_FREE_SPACE_MANAGER(f)) { #ifdef H5MF_ALLOC_DEBUG_MORE HDfprintf(stderr, "%s: dropping addr = %a, size = %Hu, on the floor!\n", FUNC, addr, size); #endif /* H5MF_ALLOC_DEBUG_MORE */ HGOTO_DONE(SUCCEED) } /* end if */ /* There's either already a free space manager, or the freed * space isn't at the end of the file, so start up (or create) * the file space manager */ if(H5MF_alloc_start(f, dxpl_id, fs_type) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't initialize file free space") } /* end if */ /* Create free space section for block */ if(NULL == (node = H5MF_sect_simple_new(addr, size))) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't initialize free space section") /* Construct user data for callbacks */ udata.f = f; udata.dxpl_id = dxpl_id; udata.alloc_type = alloc_type; udata.allow_sect_absorb = TRUE; udata.allow_eoa_shrink_only = FALSE; /* If size of section freed is larger than threshold, add it to the free space manager */ if(size >= f->shared->fs_threshold) { HDassert(f->shared->fs_man[fs_type]); #ifdef H5MF_ALLOC_DEBUG_MORE HDfprintf(stderr, "%s: Before H5FS_sect_add()\n", FUNC); #endif /* H5MF_ALLOC_DEBUG_MORE */ /* Add to the free space for the file */ if(H5FS_sect_add(f, dxpl_id, f->shared->fs_man[fs_type], (H5FS_section_info_t *)node, H5FS_ADD_RETURNED_SPACE, &udata) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINSERT, FAIL, "can't add section to file free space") node = NULL; #ifdef H5MF_ALLOC_DEBUG_MORE HDfprintf(stderr, "%s: After H5FS_sect_add()\n", FUNC); #endif /* H5MF_ALLOC_DEBUG_MORE */ } /* end if */ else { htri_t merged; /* Whether node was merged */ /* Try to merge the section that is smaller than threshold */ if((merged = H5FS_sect_try_merge(f, dxpl_id, f->shared->fs_man[fs_type], (H5FS_section_info_t *)node, H5FS_ADD_RETURNED_SPACE, &udata)) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINSERT, FAIL, "can't merge section to file free space") else if(merged == TRUE) /* successfully merged */ /* Indicate that the node was used */ node = NULL; } /* end else */ done: /* Release section node, if allocated and not added to section list or merged */ if(node) if(H5MF_sect_simple_free((H5FS_section_info_t *)node) < 0) HDONE_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't free simple section node") #ifdef H5MF_ALLOC_DEBUG HDfprintf(stderr, "%s: Leaving, ret_value = %d\n", FUNC, ret_value); #endif /* H5MF_ALLOC_DEBUG */ #ifdef H5MF_ALLOC_DEBUG_DUMP H5MF_sects_dump(f, dxpl_id, stderr); #endif /* H5MF_ALLOC_DEBUG_DUMP */ FUNC_LEAVE_NOAPI(ret_value) } /* end H5MF_xfree() */ /*------------------------------------------------------------------------- * Function: H5MF_try_extend * * Purpose: Extend a block in the file if possible. * * Return: Success: TRUE(1) - Block was extended * FALSE(0) - Block could not be extended * Failure: FAIL * * Programmer: Quincey Koziol * Friday, June 11, 2004 * *------------------------------------------------------------------------- */ htri_t H5MF_try_extend(H5F_t *f, hid_t dxpl_id, H5FD_mem_t alloc_type, haddr_t addr, hsize_t size, hsize_t extra_requested) { haddr_t end; /* End of block to extend */ H5FD_mem_t map_type; /* Mapped type */ htri_t ret_value; /* Return value */ FUNC_ENTER_NOAPI(FAIL) #ifdef H5MF_ALLOC_DEBUG HDfprintf(stderr, "%s: Entering: alloc_type = %u, addr = %a, size = %Hu, extra_requested = %Hu\n", FUNC, (unsigned)alloc_type, addr, size, extra_requested); #endif /* H5MF_ALLOC_DEBUG */ /* Sanity check */ HDassert(f); HDassert(H5F_INTENT(f) & H5F_ACC_RDWR); /* Set mapped type, treating global heap as raw data */ map_type = (alloc_type == H5FD_MEM_GHEAP) ? H5FD_MEM_DRAW : alloc_type; /* Compute end of block to extend */ end = addr + size; /* Check if the block is exactly at the end of the file */ if((ret_value = H5FD_try_extend(f->shared->lf, map_type, f, end, extra_requested)) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTEXTEND, FAIL, "error extending file") else if(ret_value == FALSE) { H5F_blk_aggr_t *aggr; /* Aggregator to use */ /* Check for test block able to extend aggregation block */ aggr = (map_type == H5FD_MEM_DRAW) ? &(f->shared->sdata_aggr) : &(f->shared->meta_aggr); if((ret_value = H5MF_aggr_try_extend(f, aggr, map_type, end, extra_requested)) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTEXTEND, FAIL, "error extending aggregation block") else if(ret_value == FALSE) { H5FD_mem_t fs_type; /* Free space type (mapped from allocation type) */ /* Get free space type from allocation type */ fs_type = H5MF_ALLOC_TO_FS_TYPE(f, alloc_type); /* Check if the free space for the file has been initialized */ if(!f->shared->fs_man[fs_type] && H5F_addr_defined(f->shared->fs_addr[fs_type])) if(H5MF_alloc_open(f, dxpl_id, fs_type) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't initialize file free space") /* Check for test block able to block in free space manager */ if(f->shared->fs_man[fs_type]) if((ret_value = H5FS_sect_try_extend(f, dxpl_id, f->shared->fs_man[fs_type], addr, size, extra_requested)) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTEXTEND, FAIL, "error extending block in free space manager") } /* end if */ } /* end if */ done: #ifdef H5MF_ALLOC_DEBUG HDfprintf(stderr, "%s: Leaving: ret_value = %t\n", FUNC, ret_value); #endif /* H5MF_ALLOC_DEBUG */ #ifdef H5MF_ALLOC_DEBUG_DUMP H5MF_sects_dump(f, dxpl_id, stderr); #endif /* H5MF_ALLOC_DEBUG_DUMP */ FUNC_LEAVE_NOAPI(ret_value) } /* end H5MF_try_extend() */ /*------------------------------------------------------------------------- * Function: H5MF_get_freespace * * Purpose: Retrieve the amount of free space in a file. * * Return: Success: Amount of free space in file * Failure: Negative * * Programmer: Quincey Koziol * Monday, October 6, 2003 * * Modifications: * Vailin Choi; July 2012 * As the default free-list mapping is changed to H5FD_FLMAP_DICHOTOMY, * checks are added to account for the last section of each free-space manager * and the remaining space in the two aggregators are at EOF. *------------------------------------------------------------------------- */ herr_t H5MF_get_freespace(H5F_t *f, hid_t dxpl_id, hsize_t *tot_space, hsize_t *meta_size) { haddr_t eoa; /* End of allocated space in the file */ haddr_t ma_addr = HADDR_UNDEF; /* Base "metadata aggregator" address */ hsize_t ma_size = 0; /* Size of "metadata aggregator" */ haddr_t sda_addr = HADDR_UNDEF; /* Base "small data aggregator" address */ hsize_t sda_size = 0; /* Size of "small data aggregator" */ hsize_t tot_fs_size = 0; /* Amount of all free space managed */ hsize_t tot_meta_size = 0; /* Amount of metadata for free space managers */ H5FD_mem_t type; /* Memory type for iteration */ H5FD_mem_t fs_started[H5FD_MEM_NTYPES]; /* Indicate whether the free-space manager has been started */ hbool_t eoa_shrank; /* Whether an EOA shrink occurs */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) /* check args */ HDassert(f); HDassert(f->shared); HDassert(f->shared->lf); /* Retrieve the 'eoa' for the file */ if(HADDR_UNDEF == (eoa = H5FD_get_eoa(f->shared->lf, H5FD_MEM_DEFAULT))) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "driver get_eoa request failed") /* Retrieve metadata aggregator info, if available */ if(H5MF_aggr_query(f, &(f->shared->meta_aggr), &ma_addr, &ma_size) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't query metadata aggregator stats") /* Retrieve 'small data' aggregator info, if available */ if(H5MF_aggr_query(f, &(f->shared->sdata_aggr), &sda_addr, &sda_size) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't query small data aggregator stats") /* Iterate over all the free space types that have managers and get each free list's space */ for(type = H5FD_MEM_DEFAULT; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) { fs_started[type] = FALSE; /* Check if the free space for the file has been initialized */ if(!f->shared->fs_man[type] && H5F_addr_defined(f->shared->fs_addr[type])) { if(H5MF_alloc_open(f, dxpl_id, type) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't initialize file free space") HDassert(f->shared->fs_man[type]); fs_started[type] = TRUE; } /* end if */ /* Check if there's free space of this type */ if(f->shared->fs_man[type]) { hsize_t type_fs_size = 0; /* Amount of free space managed for each type */ hsize_t type_meta_size = 0; /* Amount of free space metadata for each type */ /* Retrieve free space size from free space manager */ if(H5FS_sect_stats(f->shared->fs_man[type], &type_fs_size, NULL) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't query free space stats") if(H5FS_size(f, f->shared->fs_man[type], &type_meta_size) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't query free space metadata stats") /* Increment total free space for types */ tot_fs_size += type_fs_size; tot_meta_size += type_meta_size; } /* end if */ } /* end for */ /* Iterate until no more EOA shrink occurs */ do { eoa_shrank = FALSE; /* Check the last section of each free-space manager */ for(type = H5FD_MEM_DEFAULT; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) { haddr_t sect_addr = HADDR_UNDEF; hsize_t sect_size = 0; if(f->shared->fs_man[type]) { if(H5FS_sect_query_last_sect(f->shared->fs_man[type], &sect_addr, &sect_size) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't query last section on merge list") /* Deduct space from previous accumulation if the section is at EOA */ if(H5F_addr_eq(sect_addr + sect_size, eoa)) { eoa = sect_addr; eoa_shrank = TRUE; tot_fs_size -= sect_size; } /* end if */ } /* end if */ } /* end for */ /* Check the metadata and raw data aggregators */ if(ma_size > 0 && H5F_addr_eq(ma_addr + ma_size, eoa)) { eoa = ma_addr; eoa_shrank = TRUE; ma_size = 0; } /* end if */ if(sda_size > 0 && H5F_addr_eq(sda_addr + sda_size, eoa)) { eoa = sda_addr; eoa_shrank = TRUE; sda_size = 0; } /* end if */ } while(eoa_shrank); /* Close the free-space managers if they were opened earlier in this routine */ for(type = H5FD_MEM_DEFAULT; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) { if(fs_started[type]) if(H5MF_alloc_close(f, dxpl_id, type) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't close file free space") } /* end for */ /* Set the value(s) to return */ /* (The metadata & small data aggregators count as free space now, since they aren't at EOA) */ if(tot_space) *tot_space = tot_fs_size + ma_size + sda_size; if(meta_size) *meta_size = tot_meta_size; done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5MF_get_freespace() */ /*------------------------------------------------------------------------- * Function: H5MF_try_shrink * * Purpose: Try to shrink the size of a file with a block or absorb it * into a block aggregator. * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * koziol@hdfgroup.org * Feb 14 2008 * *------------------------------------------------------------------------- */ htri_t H5MF_try_shrink(H5F_t *f, H5FD_mem_t alloc_type, hid_t dxpl_id, haddr_t addr, hsize_t size) { H5MF_free_section_t *node = NULL; /* Free space section pointer */ H5MF_sect_ud_t udata; /* User data for callback */ htri_t ret_value; /* Return value */ FUNC_ENTER_NOAPI(FAIL) #ifdef H5MF_ALLOC_DEBUG HDfprintf(stderr, "%s: Entering - alloc_type = %u, addr = %a, size = %Hu\n", FUNC, (unsigned)alloc_type, addr, size); #endif /* H5MF_ALLOC_DEBUG */ /* check arguments */ HDassert(f); HDassert(f->shared); HDassert(f->shared->lf); HDassert(H5F_addr_defined(addr)); HDassert(size > 0); /* Create free space section for block */ if(NULL == (node = H5MF_sect_simple_new(addr, size))) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't initialize free space section") /* Construct user data for callbacks */ udata.f = f; udata.dxpl_id = dxpl_id; udata.alloc_type = alloc_type; udata.allow_sect_absorb = FALSE; /* Force section to be absorbed into aggregator */ udata.allow_eoa_shrink_only = FALSE; /* Call the "can shrink" callback for the section */ if((ret_value = H5MF_sect_simple_can_shrink((const H5FS_section_info_t *)node, &udata)) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTMERGE, FAIL, "can't check if section can shrink container") else if(ret_value > 0) { /* Shrink or absorb the section */ if(H5MF_sect_simple_shrink((H5FS_section_info_t **)&node, &udata) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't shrink container") } /* end if */ done: /* Free section node allocated */ if(node && H5MF_sect_simple_free((H5FS_section_info_t *)node) < 0) HDONE_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't free simple section node") #ifdef H5MF_ALLOC_DEBUG HDfprintf(stderr, "%s: Leaving, ret_value = %d\n", FUNC, ret_value); #endif /* H5MF_ALLOC_DEBUG */ FUNC_LEAVE_NOAPI(ret_value) } /* end H5MF_try_shrink() */ /*------------------------------------------------------------------------- * Function: H5MF_close_shrink_eoa * * Purpose: Shrink the EOA while closing * * Return: SUCCEED/FAIL * * Programmer: Quincey Koziol * Saturday, July 7, 2012 * *------------------------------------------------------------------------- */ static herr_t H5MF_close_shrink_eoa(H5F_t *f, hid_t dxpl_id) { H5FD_mem_t type; /* Memory type for iteration */ hbool_t eoa_shrank; /* Whether an EOA shrink occurs */ htri_t status; /* Status value */ H5MF_sect_ud_t udata; /* User data for callback */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI_NOINIT /* check args */ HDassert(f); HDassert(f->shared); /* Construct user data for callbacks */ udata.f = f; udata.dxpl_id = dxpl_id; udata.allow_sect_absorb = FALSE; udata.allow_eoa_shrink_only = TRUE; /* Iterate until no more EOA shrinking occurs */ do { eoa_shrank = FALSE; /* Check the last section of each free-space manager */ for(type = H5FD_MEM_DEFAULT; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) { if(f->shared->fs_man[type]) { udata.alloc_type = type; if((status = H5FS_sect_try_shrink_eoa(f, dxpl_id, f->shared->fs_man[type], &udata)) < 0) HGOTO_ERROR(H5E_FSPACE, H5E_CANTSHRINK, FAIL, "can't check for shrinking eoa") else if(status > 0) eoa_shrank = TRUE; } /* end if */ } /* end for */ /* check the two aggregators */ if((status = H5MF_aggrs_try_shrink_eoa(f, dxpl_id)) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't check for shrinking eoa") else if(status > 0) eoa_shrank = TRUE; } while(eoa_shrank); done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5MF_close_shrink_eoa() */ /*------------------------------------------------------------------------- * Function: H5MF_close * * Purpose: Close the free space tracker(s) for a file * * Return: SUCCEED/FAIL * * Programmer: Quincey Koziol * Tuesday, January 22, 2008 * * Modifications: * Vailin Choi; July 2012 * As the default free-list mapping is changed to H5FD_FLMAP_DICHOTOMY, * modifications are needed to shrink EOA if the last section of each free-space manager * and the remaining space in the two aggregators are at EOA. *------------------------------------------------------------------------- */ herr_t H5MF_close(H5F_t *f, hid_t dxpl_id) { H5FD_mem_t type; /* Memory type for iteration */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) #ifdef H5MF_ALLOC_DEBUG HDfprintf(stderr, "%s: Entering\n", FUNC); #endif /* H5MF_ALLOC_DEBUG */ /* check args */ HDassert(f); HDassert(f->shared); HDassert(f->shared->lf); HDassert(f->shared->sblock); /* Free the space in aggregators */ /* (for space not at EOF, it may be put into free space managers) */ if(H5MF_free_aggrs(f, dxpl_id) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTFREE, FAIL, "can't free aggregators") /* Trying shrinking the EOA for the file */ if(H5MF_close_shrink_eoa(f, dxpl_id) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't shrink eoa") /* Making free-space managers persistent for superblock version >= 2 */ if(f->shared->sblock->super_vers >= HDF5_SUPERBLOCK_VERSION_2 && f->shared->fs_strategy == H5F_FILE_SPACE_ALL_PERSIST) { H5O_fsinfo_t fsinfo; /* Free space manager info message */ hbool_t update = FALSE; /* To update info for the message */ /* Check to remove free-space manager info message from superblock extension */ if(H5F_addr_defined(f->shared->sblock->ext_addr)) if(H5F_super_ext_remove_msg(f, dxpl_id, H5O_FSINFO_ID) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "error in removing message from superblock extension") /* Free free-space manager header and/or section info header */ for(type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) { H5FS_stat_t fs_stat; /* Information for free-space manager */ /* Check for free space manager of this type */ if(f->shared->fs_man[type]) { /* Switch to "about to be deleted" state */ f->shared->fs_state[type] = H5F_FS_STATE_DELETING; /* Query the free space manager's information */ if(H5FS_stat_info(f, f->shared->fs_man[type], &fs_stat) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't get free-space info") /* Check if the free space manager has space in the file */ if(H5F_addr_defined(fs_stat.addr) || H5F_addr_defined(fs_stat.sect_addr)) { /* Delete the free space manager in the file */ /* (will re-allocate later) */ if(H5FS_free(f, f->shared->fs_man[type], dxpl_id) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTRELEASE, FAIL, "can't release free-space headers") f->shared->fs_addr[type] = HADDR_UNDEF; } /* end if */ } /* end iif */ fsinfo.fs_addr[type-1] = HADDR_UNDEF; } /* end for */ fsinfo.strategy = f->shared->fs_strategy; fsinfo.threshold = f->shared->fs_threshold; /* Write free-space manager info message to superblock extension object header */ /* Create the superblock extension object header in advance if needed */ if(H5F_super_ext_write_msg(f, dxpl_id, &fsinfo, H5O_FSINFO_ID, TRUE) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_WRITEERROR, FAIL, "error in writing message to superblock extension") /* Re-allocate free-space manager header and/or section info header */ for(type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) { H5FS_stat_t fs_stat; /* Information for free-space manager */ /* Check for active free space manager of this type */ if(f->shared->fs_man[type]) { /* Re-query free space manager info for this type */ if(H5FS_stat_info(f, f->shared->fs_man[type], &fs_stat) < 0) HGOTO_ERROR(H5E_FSPACE, H5E_CANTRELEASE, FAIL, "can't get free-space info") /* Are there sections to persist? */ if(fs_stat.serial_sect_count) { /* Allocate space for free-space manager header */ if(H5FS_alloc_hdr(f, f->shared->fs_man[type], &f->shared->fs_addr[type], dxpl_id) < 0) HGOTO_ERROR(H5E_FSPACE, H5E_NOSPACE, FAIL, "can't allocated free-space header") /* Allocate space for free-space maanger section info header */ if(H5FS_alloc_sect(f, f->shared->fs_man[type], dxpl_id) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate free-space section info") HDassert(f->shared->fs_addr[type]); fsinfo.fs_addr[type-1] = f->shared->fs_addr[type]; update = TRUE; } /* end if */ } else if(H5F_addr_defined(f->shared->fs_addr[type])) { fsinfo.fs_addr[type-1] = f->shared->fs_addr[type]; update = TRUE; } /* end else-if */ } /* end for */ /* Update the free space manager info message in superblock extension object header */ if(update) if(H5F_super_ext_write_msg(f, dxpl_id, &fsinfo, H5O_FSINFO_ID, FALSE) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_WRITEERROR, FAIL, "error in writing message to superblock extension") /* Final close of free-space managers */ for(type = H5FD_MEM_DEFAULT; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) { if(f->shared->fs_man[type]) { if(H5FS_close(f, dxpl_id, f->shared->fs_man[type]) < 0) HGOTO_ERROR(H5E_FSPACE, H5E_CANTRELEASE, FAIL, "can't close free space manager") f->shared->fs_man[type] = NULL; f->shared->fs_state[type] = H5F_FS_STATE_CLOSED; } /* end if */ f->shared->fs_addr[type] = HADDR_UNDEF; } /* end for */ } /* end if */ else { /* super_vers can be 0, 1, 2 */ /* Iterate over all the free space types that have managers and get each free list's space */ for(type = H5FD_MEM_DEFAULT; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) { #ifdef H5MF_ALLOC_DEBUG_MORE HDfprintf(stderr, "%s: Check 1.0 - f->shared->fs_man[%u] = %p, f->shared->fs_addr[%u] = %a\n", FUNC, (unsigned)type, f->shared->fs_man[type], (unsigned)type, f->shared->fs_addr[type]); #endif /* H5MF_ALLOC_DEBUG_MORE */ /* If the free space manager for this type is open, close it */ if(f->shared->fs_man[type]) { #ifdef H5MF_ALLOC_DEBUG_MORE HDfprintf(stderr, "%s: Before closing free space manager\n", FUNC); #endif /* H5MF_ALLOC_DEBUG_MORE */ if(H5FS_close(f, dxpl_id, f->shared->fs_man[type]) < 0) HGOTO_ERROR(H5E_FSPACE, H5E_CANTRELEASE, FAIL, "can't release free space info") f->shared->fs_man[type] = NULL; f->shared->fs_state[type] = H5F_FS_STATE_CLOSED; } /* end if */ #ifdef H5MF_ALLOC_DEBUG_MORE HDfprintf(stderr, "%s: Check 2.0 - f->shared->fs_man[%u] = %p, f->shared->fs_addr[%u] = %a\n", FUNC, (unsigned)type, f->shared->fs_man[type], (unsigned)type, f->shared->fs_addr[type]); #endif /* H5MF_ALLOC_DEBUG_MORE */ /* If there is free space manager info for this type, delete it */ if(H5F_addr_defined(f->shared->fs_addr[type])) { haddr_t tmp_fs_addr; /* Temporary holder for free space manager address */ /* Put address into temporary variable and reset it */ /* (Avoids loopback in file space freeing routine) */ tmp_fs_addr = f->shared->fs_addr[type]; f->shared->fs_addr[type] = HADDR_UNDEF; /* Shift to "deleting" state, to make certain we don't track any * file space freed as a result of deleting the free space manager. */ f->shared->fs_state[type] = H5F_FS_STATE_DELETING; #ifdef H5MF_ALLOC_DEBUG_MORE HDfprintf(stderr, "%s: Before deleting free space manager\n", FUNC); #endif /* H5MF_ALLOC_DEBUG_MORE */ /* Delete free space manager for this type */ if(H5FS_delete(f, dxpl_id, tmp_fs_addr) < 0) HGOTO_ERROR(H5E_FSPACE, H5E_CANTFREE, FAIL, "can't delete free space manager") /* Shift [back] to closed state */ HDassert(f->shared->fs_state[type] == H5F_FS_STATE_DELETING); f->shared->fs_state[type] = H5F_FS_STATE_CLOSED; /* Sanity check that the free space manager for this type wasn't started up again */ HDassert(!H5F_addr_defined(f->shared->fs_addr[type])); } /* end if */ } /* end for */ } /* end else */ /* Free the space in aggregators (again) */ /* (in case any free space information re-started them) */ if(H5MF_free_aggrs(f, dxpl_id) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTFREE, FAIL, "can't free aggregators") /* Trying shrinking the EOA for the file */ /* (in case any free space is now at the EOA) */ if(H5MF_close_shrink_eoa(f, dxpl_id) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTSHRINK, FAIL, "can't shrink eoa") done: #ifdef H5MF_ALLOC_DEBUG HDfprintf(stderr, "%s: Leaving\n", FUNC); #endif /* H5MF_ALLOC_DEBUG */ FUNC_LEAVE_NOAPI(ret_value) } /* end H5MF_close() */ /*------------------------------------------------------------------------- * Function: H5MF_sects_cb() * * Purpose: Iterator callback for each free-space section * Retrieve address and size into user data * * Return: Always succeed * * Programmer: Vailin Choi * July 1st, 2009 * *------------------------------------------------------------------------- */ static herr_t H5MF_sects_cb(H5FS_section_info_t *_sect, void *_udata) { H5MF_free_section_t *sect = (H5MF_free_section_t *)_sect; H5MF_sect_iter_ud_t *udata = (H5MF_sect_iter_ud_t *)_udata; FUNC_ENTER_NOAPI_NOINIT_NOERR if(udata->sect_idx < udata->sect_count) { udata->sects[udata->sect_idx].addr = sect->sect_info.addr; udata->sects[udata->sect_idx].size = sect->sect_info.size; udata->sect_idx++; } /* end if */ FUNC_LEAVE_NOAPI(SUCCEED) } /* H5MF_sects_cb() */ /*------------------------------------------------------------------------- * Function: H5MF_get_free_sections() * * Purpose: To iterate over one or all free-space managers for: * # of sections * section info as defined in H5F_sect_info_t * * Return: SUCCEED/FAIL * * Programmer: Vailin Choi * July 1st, 2009 * *------------------------------------------------------------------------- */ ssize_t H5MF_get_free_sections(H5F_t *f, hid_t dxpl_id, H5FD_mem_t type, size_t nsects, H5F_sect_info_t *sect_info) { size_t total_sects = 0; /* total number of sections */ H5MF_sect_iter_ud_t sect_udata; /* User data for callback */ H5FD_mem_t start_type, end_type; /* Memory types to iterate over */ H5FD_mem_t ty; /* Memory type for iteration */ ssize_t ret_value; /* Return value */ FUNC_ENTER_NOAPI(FAIL) /* check args */ HDassert(f); HDassert(f->shared); HDassert(f->shared->lf); /* Determine start/end points for loop */ if(type == H5FD_MEM_DEFAULT) { start_type = H5FD_MEM_SUPER; end_type = H5FD_MEM_NTYPES; } /* end if */ else { start_type = end_type = type; H5_INC_ENUM(H5FD_mem_t, end_type); } /* end else */ /* Set up user data for section iteration */ sect_udata.sects = sect_info; sect_udata.sect_count = nsects; sect_udata.sect_idx = 0; /* Iterate over memory types, retrieving the number of sections of each type */ for(ty = start_type; ty < end_type; H5_INC_ENUM(H5FD_mem_t, ty)) { hbool_t fs_started = FALSE; /* Open free space manager of this type, if it isn't already */ if(!f->shared->fs_man[ty] && H5F_addr_defined(f->shared->fs_addr[ty])) { if(H5MF_alloc_open(f, dxpl_id, ty) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTOPENOBJ, FAIL, "can't initialize file free space") HDassert(f->shared->fs_man[ty]); fs_started = TRUE; } /* end if */ /* Check if f there's free space sections of this type */ if(f->shared->fs_man[ty]) { hsize_t hnums = 0; /* Total # of sections */ size_t nums; /* Total # of sections, cast to a size_t */ /* Query how many sections of this type */ if(H5FS_sect_stats(f->shared->fs_man[ty], NULL, &hnums) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't query free space stats") H5_ASSIGN_OVERFLOW(nums, hnums, hsize_t, size_t); /* Increment total # of sections */ total_sects += nums; /* Check if we should retrieve the section info */ if(sect_info && nums > 0) { /* Iterate over all the free space sections of this type, adding them to the user's section info */ if(H5FS_sect_iterate(f, dxpl_id, f->shared->fs_man[ty], H5MF_sects_cb, &sect_udata) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_BADITER, FAIL, "can't iterate over sections") } /* end if */ } /* end if */ /* Close the free space manager of this type, if we started it here */ if(fs_started) if(H5MF_alloc_close(f, dxpl_id, ty) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTCLOSEOBJ, FAIL, "can't close file free space") } /* end for */ /* Set return value */ ret_value = (ssize_t)total_sects; done: FUNC_LEAVE_NOAPI(ret_value) } /* H5MF_get_free_sections() */


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