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authorQuincey Koziol <koziol@hdfgroup.org>2015-06-18 00:58:49 (GMT)
committerQuincey Koziol <koziol@hdfgroup.org>2015-06-18 00:58:49 (GMT)
commitf30ab55f41296667eab0b273132ffc20c4323717 (patch)
tree2fd6a85b7c15e3505e308e21b41e67297cc58508 /src/H5O.c
parent6e9e9e0dd200979642de8d2a2bce2f66f9728237 (diff)
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[svn-r27237] Description:
Merge v3 metadata cache changes to trunk. Yay! :-) Tested on: MacOSX/64 10.10.3 (amazon) w/serial & parallel Linux/32 2.6.x (jam) w/serial & parallel (daily tested on branch)
Diffstat (limited to 'src/H5O.c')
-rw-r--r--src/H5O.c39
1 files changed, 21 insertions, 18 deletions
diff --git a/src/H5O.c b/src/H5O.c
index 22086fa..d0ace29 100644
--- a/src/H5O.c
+++ b/src/H5O.c
@@ -1652,7 +1652,7 @@ done:
*-------------------------------------------------------------------------
*/
H5O_t *
-H5O_protect(const H5O_loc_t *loc, hid_t dxpl_id, H5AC_protect_t prot)
+H5O_protect(const H5O_loc_t *loc, hid_t dxpl_id, unsigned prot_flags)
{
H5O_t *oh = NULL; /* Object header protected */
H5O_cache_ud_t udata; /* User data for protecting object header */
@@ -1666,13 +1666,16 @@ H5O_protect(const H5O_loc_t *loc, hid_t dxpl_id, H5AC_protect_t prot)
HDassert(loc);
HDassert(loc->file);
+ /* prot_flags may only contain the H5AC__READ_ONLY_FLAG */
+ HDassert((prot_flags & (unsigned)(~H5AC__READ_ONLY_FLAG)) == 0);
+
/* Check for valid address */
if(!H5F_addr_defined(loc->addr))
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "address undefined")
/* Check for write access on the file */
file_intent = H5F_INTENT(loc->file);
- if((prot == H5AC_WRITE) && (0 == (file_intent & H5F_ACC_RDWR)))
+ if((0 == (prot_flags & H5AC__READ_ONLY_FLAG)) && (0 == (file_intent & H5F_ACC_RDWR)))
HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, NULL, "no write intent on file")
/* Construct the user data for protect callback */
@@ -1688,7 +1691,7 @@ H5O_protect(const H5O_loc_t *loc, hid_t dxpl_id, H5AC_protect_t prot)
udata.common.addr = loc->addr;
/* Lock the object header into the cache */
- if(NULL == (oh = (H5O_t *)H5AC_protect(loc->file, dxpl_id, H5AC_OHDR, loc->addr, &udata, prot)))
+ if(NULL == (oh = (H5O_t *)H5AC_protect(loc->file, dxpl_id, H5AC_OHDR, loc->addr, &udata, prot_flags)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTPROTECT, NULL, "unable to load object header")
/* Check if there are any continuation messages to process */
@@ -1725,7 +1728,7 @@ H5O_protect(const H5O_loc_t *loc, hid_t dxpl_id, H5AC_protect_t prot)
/* (which adds to the object header) */
chk_udata.common.addr = cont_msg_info.msgs[curr_msg].addr;
chk_udata.size = cont_msg_info.msgs[curr_msg].size;
- if(NULL == (chk_proxy = (H5O_chunk_proxy_t *)H5AC_protect(loc->file, dxpl_id, H5AC_OHDR_CHK, cont_msg_info.msgs[curr_msg].addr, &chk_udata, prot)))
+ if(NULL == (chk_proxy = (H5O_chunk_proxy_t *)H5AC_protect(loc->file, dxpl_id, H5AC_OHDR_CHK, cont_msg_info.msgs[curr_msg].addr, &chk_udata, prot_flags)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTPROTECT, NULL, "unable to load object header chunk")
/* Sanity check */
@@ -1769,7 +1772,7 @@ H5O_protect(const H5O_loc_t *loc, hid_t dxpl_id, H5AC_protect_t prot)
/* (object header will have been marked dirty during protect, if we
* have write access -QAK)
*/
- if(prot != H5AC_WRITE)
+ if((prot_flags & H5AC__READ_ONLY_FLAG) != 0)
oh->prefix_modified = TRUE;
#ifndef NDEBUG
else {
@@ -1787,7 +1790,7 @@ H5O_protect(const H5O_loc_t *loc, hid_t dxpl_id, H5AC_protect_t prot)
} /* end if */
/* Check for any messages that were modified while being read in */
- if(udata.common.mesgs_modified && prot != H5AC_WRITE)
+ if(udata.common.mesgs_modified && (0 == (prot_flags & H5AC__READ_ONLY_FLAG)))
oh->mesgs_modified = TRUE;
/* Reset the field that contained chunk 0's size during speculative load */
@@ -1797,7 +1800,7 @@ H5O_protect(const H5O_loc_t *loc, hid_t dxpl_id, H5AC_protect_t prot)
/* Take care of loose ends for modifications made while bringing in the
* object header & chunks.
*/
- if(prot == H5AC_WRITE) {
+ if(0 == (prot_flags & H5AC__READ_ONLY_FLAG)) {
/* Check for the object header prefix being modified somehow */
/* (usually through updating the # of object header messages) */
if(oh->prefix_modified) {
@@ -1883,7 +1886,7 @@ H5O_pin(const H5O_loc_t *loc, hid_t dxpl_id)
HDassert(loc);
/* Get header */
- if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC_WRITE)))
+ if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC__NO_FLAGS_SET)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTPROTECT, NULL, "unable to protect object header")
/* Increment the reference count on the object header */
@@ -2096,7 +2099,7 @@ H5O_touch(const H5O_loc_t *loc, hbool_t force, hid_t dxpl_id)
HDassert(loc);
/* Get the object header */
- if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC_WRITE)))
+ if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC__NO_FLAGS_SET)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTPROTECT, FAIL, "unable to load object header")
/* Create/Update the modification time message */
@@ -2212,7 +2215,7 @@ H5O_delete(H5F_t *f, hid_t dxpl_id, haddr_t addr)
loc.holding_file = FALSE;
/* Get the object header information */
- if(NULL == (oh = H5O_protect(&loc, dxpl_id, H5AC_WRITE)))
+ if(NULL == (oh = H5O_protect(&loc, dxpl_id, H5AC__NO_FLAGS_SET)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTPROTECT, FAIL, "unable to load object header")
/* Delete object */
@@ -2296,7 +2299,7 @@ H5O_obj_type(const H5O_loc_t *loc, H5O_type_t *obj_type, hid_t dxpl_id)
FUNC_ENTER_NOAPI_TAG(dxpl_id, loc->addr, FAIL)
/* Load the object header */
- if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC_READ)))
+ if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC__READ_ONLY_FLAG)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTPROTECT, FAIL, "unable to load object header")
/* Retrieve the type of the object */
@@ -2374,7 +2377,7 @@ H5O_obj_class(const H5O_loc_t *loc, hid_t dxpl_id)
FUNC_ENTER_NOAPI_NOINIT_TAG(dxpl_id, loc->addr, NULL)
/* Load the object header */
- if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC_READ)))
+ if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC__READ_ONLY_FLAG)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTPROTECT, NULL, "unable to load object header")
/* Test whether entry qualifies as a particular type of object */
@@ -2671,7 +2674,7 @@ H5O_get_hdr_info(const H5O_loc_t *loc, hid_t dxpl_id, H5O_hdr_info_t *hdr)
HDmemset(hdr, 0, sizeof(*hdr));
/* Get the object header */
- if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC_READ)))
+ if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC__READ_ONLY_FLAG)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "unable to load object header")
/* Get the information for the object header */
@@ -2795,7 +2798,7 @@ H5O_get_info(const H5O_loc_t *loc, hid_t dxpl_id, hbool_t want_ih_info,
HDassert(oinfo);
/* Get the object header */
- if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC_READ)))
+ if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC__READ_ONLY_FLAG)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTPROTECT, FAIL, "unable to load object header")
/* Reset the object info structure */
@@ -2916,7 +2919,7 @@ H5O_get_create_plist(const H5O_loc_t *loc, hid_t dxpl_id, H5P_genplist_t *oc_pli
HDassert(oc_plist);
/* Get the object header */
- if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC_READ)))
+ if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC__READ_ONLY_FLAG)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTPROTECT, FAIL, "unable to load object header")
/* Set property values, if they were used for the object */
@@ -2971,7 +2974,7 @@ H5O_get_nlinks(const H5O_loc_t *loc, hid_t dxpl_id, hsize_t *nlinks)
HDassert(nlinks);
/* Get the object header */
- if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC_READ)))
+ if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC__READ_ONLY_FLAG)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTPROTECT, FAIL, "unable to load object header")
/* Retrieve the # of link messages seen when the object header was loaded */
@@ -3088,7 +3091,7 @@ H5O_get_rc_and_type(const H5O_loc_t *loc, hid_t dxpl_id, unsigned *rc, H5O_type_
HDassert(loc);
/* Get the object header */
- if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC_READ)))
+ if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC__READ_ONLY_FLAG)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTPROTECT, FAIL, "unable to load object header")
/* Set the object's reference count */
@@ -3461,7 +3464,7 @@ H5O_dec_rc_by_loc(const H5O_loc_t *loc, hid_t dxpl_id)
HDassert(loc);
/* Get header */
- if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC_READ)))
+ if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC__READ_ONLY_FLAG)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTPROTECT, FAIL, "unable to protect object header")
/* Decrement the reference count on the object header */