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-rw-r--r--src/H5O.c105
-rw-r--r--src/H5Ocache.c13
-rw-r--r--src/H5Opkg.h20
-rw-r--r--src/H5Opublic.h2
-rw-r--r--src/H5private.h1
-rw-r--r--src/H5timer.c36
6 files changed, 132 insertions, 45 deletions
diff --git a/src/H5O.c b/src/H5O.c
index 0ef5b43..c74e34e 100644
--- a/src/H5O.c
+++ b/src/H5O.c
@@ -43,10 +43,6 @@
#include "H5Opkg.h" /* Object headers */
#include "H5SMprivate.h" /* Shared object header messages */
-#ifdef H5_HAVE_GETTIMEOFDAY
-#include <sys/time.h>
-#endif /* H5_HAVE_GETTIMEOFDAY */
-
/****************/
/* Local Macros */
/****************/
@@ -849,6 +845,12 @@ H5O_new(H5F_t *f, hid_t dxpl_id, size_t chunk_size, H5O_loc_t *loc/*out*/,
oh->nlink = 0;
oh->skipped_mesg_size = 0;
+ /* Initialize version-specific fields */
+ if(oh->version > H5O_VERSION_1) {
+ /* Initialize time fields */
+ oh->atime = oh->mtime = oh->ctime = H5_now();
+ } /* end if */
+
/* Compute total size of initial object header */
/* (i.e. object header prefix and first chunk) */
oh_size = H5O_SIZEOF_HDR_OH(oh) + chunk_size;
@@ -2253,7 +2255,6 @@ H5O_touch_oh(H5F_t *f,
unsigned * oh_flags_ptr)
{
time_t now; /* Current time */
- unsigned idx; /* Index of modification time message to update */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT(H5O_touch_oh)
@@ -2261,46 +2262,50 @@ H5O_touch_oh(H5F_t *f,
HDassert(oh);
HDassert(oh_flags_ptr);
- /* Look for existing message */
- for(idx = 0; idx < oh->nmesgs; idx++)
- if(H5O_MSG_MTIME == oh->mesg[idx].type || H5O_MSG_MTIME_NEW == oh->mesg[idx].type)
- break;
+ /* Get current time */
+ now = H5_now();
-#ifdef H5_HAVE_GETTIMEOFDAY
- {
- struct timeval now_tv;
+ /* Check version, to determine how to store time information */
+ if(oh->version == H5O_VERSION_1) {
+ unsigned idx; /* Index of modification time message to update */
- HDgettimeofday(&now_tv, NULL);
- now = now_tv.tv_sec;
- }
-#else /* H5_HAVE_GETTIMEOFDAY */
- now = HDtime(NULL);
-#endif /* H5_HAVE_GETTIMEOFDAY */
+ /* Look for existing message */
+ for(idx = 0; idx < oh->nmesgs; idx++)
+ if(H5O_MSG_MTIME == oh->mesg[idx].type || H5O_MSG_MTIME_NEW == oh->mesg[idx].type)
+ break;
- /* Create a new message, if necessary */
- if(idx == oh->nmesgs) {
- size_t size; /* New modification time message size */
+ /* Create a new message, if necessary */
+ if(idx == oh->nmesgs) {
+ size_t size; /* New modification time message size */
- /* If we have to create a new message, but we aren't 'forcing' it, get out now */
- if(!force)
- HGOTO_DONE(SUCCEED); /*nothing to do*/
+ /* If we would have to create a new message, but we aren't 'forcing' it, get out now */
+ if(!force)
+ HGOTO_DONE(SUCCEED); /*nothing to do*/
- size = (H5O_MSG_MTIME_NEW->raw_size)(f, &now);
- if((idx = H5O_alloc(f, dxpl_id, oh, H5O_MSG_MTIME_NEW, size, oh_flags_ptr)) == UFAIL)
- HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to allocate space for modification time message")
- } /* end if */
+ size = (H5O_MSG_MTIME_NEW->raw_size)(f, &now);
+ if((idx = H5O_alloc(f, dxpl_id, oh, H5O_MSG_MTIME_NEW, size, oh_flags_ptr)) == UFAIL)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to allocate space for modification time message")
+ } /* end if */
- /* Allocate 'native' space, if necessary */
- if(NULL == oh->mesg[idx].native) {
- if(NULL == (oh->mesg[idx].native = H5FL_MALLOC(time_t)))
- HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "memory allocation failed for modification time message")
- } /* end if */
+ /* Allocate 'native' space, if necessary */
+ if(NULL == oh->mesg[idx].native) {
+ if(NULL == (oh->mesg[idx].native = H5FL_MALLOC(time_t)))
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "memory allocation failed for modification time message")
+ } /* end if */
- /* Update the message */
- *((time_t *)(oh->mesg[idx].native)) = now;
+ /* Update the message */
+ *((time_t *)(oh->mesg[idx].native)) = now;
- /* Mark the message & object header as dirty */
- oh->mesg[idx].dirty = TRUE;
+ /* Mark the message as dirty */
+ oh->mesg[idx].dirty = TRUE;
+ } /* end if */
+ else {
+ /* XXX: For now, update access time & change fields in the object header */
+ /* (will need to add some code to update modification time appropriately) */
+ oh->atime = oh->ctime = now;
+ } /* end else */
+
+ /* Mark the object header as dirty */
*oh_flags_ptr |= H5AC__DIRTIED_FLAG;
done:
@@ -3852,13 +3857,29 @@ H5O_get_info(H5O_loc_t *oloc, H5O_info_t *oinfo, hid_t dxpl_id)
oinfo->rc = oh->nlink;
/* Get modification time for object */
- if(NULL == H5O_read_real(oloc->file, oh, H5O_MTIME_ID, 0, &oinfo->mtime, dxpl_id)) {
- H5E_clear_stack(NULL);
- if(NULL == H5O_read_real(oloc->file, oh, H5O_MTIME_NEW_ID, 0, &oinfo->mtime, dxpl_id)) {
+ if(oh->version > H5O_VERSION_1) {
+ oinfo->atime = oh->atime;
+ oinfo->mtime = oh->mtime;
+ oinfo->ctime = oh->ctime;
+ } /* end if */
+ else {
+ /* No information for access & modification fields */
+ /* (we stopped updating the "modification time" header message for
+ * raw data changes, so the "modification time" header message
+ * is closest to the 'change time', in POSIX terms - QAK)
+ */
+ oinfo->atime = 0;
+ oinfo->mtime = 0;
+
+ /* Might be information for modification time */
+ if(NULL == H5O_read_real(oloc->file, oh, H5O_MTIME_ID, 0, &oinfo->mtime, dxpl_id)) {
H5E_clear_stack(NULL);
- oinfo->mtime = 0;
+ if(NULL == H5O_read_real(oloc->file, oh, H5O_MTIME_NEW_ID, 0, &oinfo->mtime, dxpl_id)) {
+ H5E_clear_stack(NULL);
+ oinfo->ctime = 0;
+ } /* end if */
} /* end if */
- } /* end if */
+ } /* end else */
/* Set the version for the object header */
oinfo->hdr.version = oh->version;
diff --git a/src/H5Ocache.c b/src/H5Ocache.c
index 8ebb6c2..defc14f 100644
--- a/src/H5Ocache.c
+++ b/src/H5Ocache.c
@@ -273,6 +273,14 @@ H5O_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void UNUSED * _udata1,
/* Link count */
UINT32DECODE(p, oh->nlink);
+ /* Version-specific fields */
+ if(oh->version > H5O_VERSION_1) {
+ /* Time fields */
+ UINT32DECODE(p, oh->atime);
+ UINT32DECODE(p, oh->mtime);
+ UINT32DECODE(p, oh->ctime);
+ } /* end if */
+
/* First chunk size */
UINT32DECODE(p, chunk_size);
@@ -574,6 +582,11 @@ H5O_assert(oh);
/* Link count */
UINT32ENCODE(p, oh->nlink);
+ /* Time fields */
+ UINT32ENCODE(p, oh->atime);
+ UINT32ENCODE(p, oh->mtime);
+ UINT32ENCODE(p, oh->ctime);
+
/* Chunk size */
UINT32ENCODE(p, (oh->chunk[0].size - H5O_SIZEOF_HDR_OH(oh)));
} /* end if */
diff --git a/src/H5Opkg.h b/src/H5Opkg.h
index 679e021..18a0804 100644
--- a/src/H5Opkg.h
+++ b/src/H5Opkg.h
@@ -85,12 +85,15 @@
4 + /*reference count */ \
4) /*header data size */ \
: \
- (H5O_SIZEOF_MAGIC + /*magic number */ \
+ (H5O_SIZEOF_MAGIC + /*magic number */ \
1 + /*version number */ \
2 + /*number of messages */ \
4 + /*reference count */ \
+ 4 + /*access time */ \
+ 4 + /*modification time */ \
+ 4 + /*change time */ \
4 + /*header data size */ \
- H5O_SIZEOF_CHKSUM) /*checksum size */ \
+ H5O_SIZEOF_CHKSUM) /*checksum size */ \
)
#define H5O_SIZEOF_HDR_OH(O) \
H5O_SIZEOF_HDR_VERS((O)->version)
@@ -184,12 +187,23 @@ typedef struct H5O_chunk_t {
struct H5O_t {
H5AC_info_t cache_info; /* Information for H5AC cache functions, _must_ be */
/* first field in structure */
+
+ /* General information */
unsigned version; /*version number */
unsigned nlink; /*link count */
- size_t skipped_mesg_size; /*size of skipped messages (for sanity checking) */
+
+ /* Time information */
+ time_t atime; /*access time */
+ time_t mtime; /*modification time */
+ time_t ctime; /*change time */
+
+ /* Message management */
size_t nmesgs; /*number of messages */
size_t alloc_nmesgs; /*number of message slots */
H5O_mesg_t *mesg; /*array of messages */
+ size_t skipped_mesg_size; /*size of skipped messages (for sanity checking) */
+
+ /* Chunk management */
size_t nchunks; /*number of chunks */
size_t alloc_nchunks; /*chunks allocated */
H5O_chunk_t *chunk; /*array of chunks */
diff --git a/src/H5Opublic.h b/src/H5Opublic.h
index 4591120..b1fa767 100644
--- a/src/H5Opublic.h
+++ b/src/H5Opublic.h
@@ -86,7 +86,9 @@ typedef struct H5O_info_t {
haddr_t addr; /* Object address in file */
H5O_type_t type; /* Basic object type (group, dataset, etc.) */
unsigned rc; /* Reference count of object */
+ time_t atime; /* Access time */
time_t mtime; /* Modification time */
+ time_t ctime; /* Change time */
hsize_t num_attrs; /* # of attributes attached to object */
struct {
unsigned version; /* Version number of header format in file */
diff --git a/src/H5private.h b/src/H5private.h
index 77fd02b..2d5cbdb 100644
--- a/src/H5private.h
+++ b/src/H5private.h
@@ -511,6 +511,7 @@ H5_DLL void H5_timer_begin (H5_timer_t *timer);
H5_DLL void H5_timer_end (H5_timer_t *sum/*in,out*/,
H5_timer_t *timer/*in,out*/);
H5_DLL void H5_bandwidth(char *buf/*out*/, double nbytes, double nseconds);
+H5_DLL time_t H5_now(void);
/* Depth of object copy */
typedef enum {
diff --git a/src/H5timer.c b/src/H5timer.c
index 128c03f..cbbef3f 100644
--- a/src/H5timer.c
+++ b/src/H5timer.c
@@ -38,6 +38,10 @@
# include <sys/resource.h>
#endif
+#ifdef H5_HAVE_GETTIMEOFDAY
+#include <sys/time.h>
+#endif /* H5_HAVE_GETTIMEOFDAY */
+
/****************/
/* Local Macros */
@@ -246,3 +250,35 @@ H5_bandwidth(char *buf/*out*/, double nbytes, double nseconds)
}
} /* end H5_bandwidth() */
+
+/*-------------------------------------------------------------------------
+ * Function: H5_now
+ *
+ * Purpose: Retrieves the current time, as seconds after the UNIX epoch.
+ *
+ * Return: # of seconds from the epoch (can't fail)
+ *
+ * Programmer: Quincey Koziol
+ * Tuesday, November 28, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+time_t
+H5_now(void)
+{
+ time_t now; /* Current time */
+
+#ifdef H5_HAVE_GETTIMEOFDAY
+ {
+ struct timeval now_tv;
+
+ HDgettimeofday(&now_tv, NULL);
+ now = now_tv.tv_sec;
+ }
+#else /* H5_HAVE_GETTIMEOFDAY */
+ now = HDtime(NULL);
+#endif /* H5_HAVE_GETTIMEOFDAY */
+
+ return(now);
+} /* end H5_now() */
+
generated by cgit v0.12 at 2024-11-10 21:34:16 (GMT)