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authorQuincey Koziol <koziol@hdfgroup.org>2007-01-19 17:31:41 (GMT)
committerQuincey Koziol <koziol@hdfgroup.org>2007-01-19 17:31:41 (GMT)
commitd4909147e16628c04ce64e272503f96030f1df30 (patch)
treedcffc28e2f1155bc99345ef390a6999821aa94c5 /src
parent46598f35cafc38ff166783e57d5622f4a1a3153e (diff)
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[svn-r13156] Description:
Begin refactoring code to straighten out the contorted code that handles shared messages. Tested on: Linux/32 2.6 (chicago) Linux/64 2.6 (chicago2)
Diffstat (limited to 'src')
-rw-r--r--src/H5Apkg.h3
-rw-r--r--src/H5Oattr.c8
-rw-r--r--src/H5Oprivate.h6
-rw-r--r--src/H5Oshared.c15
-rw-r--r--src/H5Oshared.h350
-rw-r--r--src/H5Spkg.h13
-rw-r--r--src/H5Tpkg.h7
7 files changed, 382 insertions, 20 deletions
diff --git a/src/H5Apkg.h b/src/H5Apkg.h
index a3910a9..6fa92e8 100644
--- a/src/H5Apkg.h
+++ b/src/H5Apkg.h
@@ -57,6 +57,8 @@
/* Define the main attribute structure */
struct H5A_t {
+ H5O_shared_t sh_loc; /* Shared message info (must be first) */
+
hbool_t initialized;/* Indicate whether the attribute has been modified */
hbool_t obj_opened; /* Object header entry opened? */
H5O_loc_t oloc; /* Object location for object attribute is on */
@@ -69,7 +71,6 @@ struct H5A_t {
size_t ds_size; /* Size of dataspace on disk */
void *data; /* Attribute data (on a temporary basis) */
size_t data_size; /* Size of data on disk */
- H5O_shared_t sh_loc; /* Location of shared message */
H5O_crt_idx_t crt_idx; /* Attribute's creation index in the object header */
};
diff --git a/src/H5Oattr.c b/src/H5Oattr.c
index a2c6654..a50d9f3 100644
--- a/src/H5Oattr.c
+++ b/src/H5Oattr.c
@@ -186,7 +186,7 @@ H5O_attr_decode(H5F_t *f, hid_t dxpl_id, const uint8_t *p)
H5O_shared_t *shared; /* Shared information */
/* Get the shared information */
- if (NULL == (shared = (H5O_shared_t *)(H5O_MSG_SHARED->decode)(f, dxpl_id, p)))
+ if(NULL == (shared = (H5O_shared_t *)(H5O_MSG_SHARED->decode)(f, dxpl_id, p)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTDECODE, NULL, "unable to decode shared message")
/* Get the actual datatype information */
@@ -215,11 +215,11 @@ H5O_attr_decode(H5F_t *f, hid_t dxpl_id, const uint8_t *p)
H5O_shared_t *shared; /* Shared information */
/* Get the shared information */
- if (NULL == (shared = (H5O_shared_t *)(H5O_MSG_SHARED->decode)(f, dxpl_id, p)))
+ if(NULL == (shared = (H5O_shared_t *)(H5O_MSG_SHARED->decode)(f, dxpl_id, p)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTDECODE, NULL, "unable to decode shared message")
/* Get the actual datatype information */
- if((extent= (H5S_extent_t *)H5O_shared_read(f, dxpl_id, shared, H5O_MSG_SDSPACE, NULL))==NULL)
+ if((extent = (H5S_extent_t *)H5O_shared_read(f, dxpl_id, shared, H5O_MSG_SDSPACE, NULL))==NULL)
HGOTO_ERROR(H5E_ATTR, H5E_CANTDECODE, NULL, "can't decode attribute dataspace")
/* Free the shared information */
@@ -272,7 +272,7 @@ done:
PURPOSE
Encode a simple attribute message
USAGE
- herr_t H5O_attr_encode(f, raw_size, p, mesg)
+ herr_t H5O_attr_encode(f, p, mesg)
H5F_t *f; IN: pointer to the HDF5 file struct
const uint8 *p; IN: the raw information buffer
const void *mesg; IN: Pointer to the simple datatype struct
diff --git a/src/H5Oprivate.h b/src/H5Oprivate.h
index 1076441..c978b8c 100644
--- a/src/H5Oprivate.h
+++ b/src/H5Oprivate.h
@@ -198,13 +198,14 @@ typedef struct H5O_fill_t {
*/
typedef struct H5O_fill_new_t {
+ H5O_shared_t sh_loc; /* Shared message info (must be first) */
+
H5T_t *type; /*type. Null implies same as dataset */
ssize_t size; /*number of bytes in the fill value */
void *buf; /*the fill value */
H5D_alloc_time_t alloc_time; /* time to allocate space */
H5D_fill_time_t fill_time; /* time to write fill value */
hbool_t fill_defined; /* whether fill value is defined */
- H5O_shared_t sh_loc; /*location of shared message */
} H5O_fill_new_t;
/*
@@ -336,10 +337,11 @@ typedef struct H5O_ginfo_t {
* (Data structure in memory)
*/
typedef struct H5O_pline_t {
+ H5O_shared_t sh_loc; /* Shared message info (must be first) */
+
size_t nalloc; /*num elements in `filter' array */
size_t nused; /*num filters defined */
H5Z_filter_info_t *filter; /*array of filters */
- H5O_shared_t sh_loc; /*location of shared message */
} H5O_pline_t;
/*
diff --git a/src/H5Oshared.c b/src/H5Oshared.c
index c06871e..9b2de74 100644
--- a/src/H5Oshared.c
+++ b/src/H5Oshared.c
@@ -169,9 +169,17 @@ H5O_shared_read(H5F_t *f, hid_t dxpl_id, const H5O_shared_t *shared,
if(NULL == (native_mesg = H5O_msg_decode(f, dxpl_id, type->id, buf)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTDECODE, NULL, "can't decode shared message.")
- /* Copy this message to the user's buffer */
- if(NULL == (ret_value = (type->copy)(native_mesg, mesg)))
- HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, NULL, "unable to copy message to user space")
+ /* Check if there is a user buffer to fill */
+ if(mesg) {
+ /* Copy this message to the user's buffer */
+ if(NULL == (ret_value = (type->copy)(native_mesg, mesg)))
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, NULL, "unable to copy message to user space")
+ } /* end if */
+ else {
+ /* Otherwise, take ownership of the decoded native message */
+ ret_value = native_mesg;
+ native_mesg = NULL;
+ } /* end else */
} /* end if */
else {
HDassert(shared->flags & H5O_COMMITTED_FLAG);
@@ -653,7 +661,6 @@ H5O_shared_copy_file(H5F_t *file_src, const H5O_msg_class_t *mesg_type,
HDassert(file_dst);
HDassert(cpy_info);
-
/* Committed shared messages create a shared message at the destination
* and also copy the committed object that they point to.
* SOHMs actually write a non-shared message at the destination.
diff --git a/src/H5Oshared.h b/src/H5Oshared.h
new file mode 100644
index 0000000..2a20a0d
--- /dev/null
+++ b/src/H5Oshared.h
@@ -0,0 +1,350 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * Programmer: Quincey Koziol <koziol@hdfgroup.org>
+ * Friday, January 19, 2007
+ */
+#ifndef H5Oshared_H
+#define H5Oshared_H
+
+/* Private headers needed by this file */
+#include "H5private.h" /* Generic Functions */
+#include "H5Eprivate.h" /* Error handling */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5O_SHARED_DECODE
+ *
+ * Purpose: Decode an object header message that may be shared.
+ *
+ * Note: The actual name of this routine can be different in each source
+ * file that this header file is included in, and must be defined
+ * prior to including this header file.
+ *
+ * Return: Success: Pointer to the new message in native form
+ * Failure: NULL
+ *
+ * Programmer: Quincey Koziol
+ * Friday, January 19, 2007
+ *
+ *-------------------------------------------------------------------------
+ */
+static H5_inline void *
+H5O_SHARED_DECODE(H5F_t *f, hid_t dxpl_id, unsigned mesg_flags, const uint8_t *p)
+{
+ void *ret_value; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5O_SHARED_DECODE)
+
+#ifndef H5O_SHARED_TYPE
+#error "Need to define H5O_SHARED_TYPE macro!"
+#endif /* H5O_SHARED_TYPE */
+#ifndef H5O_SHARED_DECODE
+#error "Need to define H5O_SHARED_DECODE macro!"
+#endif /* H5O_SHARED_DECODE */
+#ifndef H5O_SHARED_DECODE_REAL
+#error "Need to define H5O_SHARED_DECODE_REAL macro!"
+#endif /* H5O_SHARED_DECODE_REAL */
+
+ /* Check for shared message */
+ if(mesg_flags & H5O_MSG_FLAG_SHARED) {
+ H5O_shared_t sh_mesg; /* Shared message info */
+
+ /* Retrieve shared message info by decoding info in buffer */
+ if(H5O_shared_decode(f, p, &sh_mesg) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTDECODE, NULL, "unable to decode shared message")
+
+ /* Retrieve actual native message by reading it through shared info */
+ if(NULL == (ret_value = H5O_shared_read(f, dxpl_id, &sh_mesg, H5O_SHARED_TYPE, NULL)))
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTREAD, NULL, "unable to retrieve native message")
+ } /* end if */
+ else {
+ /* Decode native message directly */
+ if(NULL == (ret_value = H5O_SHARED_DECODE_REAL(f, dxpl_id, p)))
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTDECODE, NULL, "unable to decode native message")
+ } /* end else */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5O_SHARED_DECODE() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5O_SHARED_ENCODE
+ *
+ * Purpose: Encode an object header message that may be shared.
+ *
+ * Note: The actual name of this routine can be different in each source
+ * file that this header file is included in, and must be defined
+ * prior to including this header file.
+ *
+ * Return: Success: Non-negative
+ * Failure: Negative
+ *
+ * Programmer: Quincey Koziol
+ * Friday, January 19, 2007
+ *
+ *-------------------------------------------------------------------------
+ */
+static H5_inline herr_t
+H5O_SHARED_ENCODE(H5F_t *f, uint8_t *p, const void *_mesg)
+{
+ const H5O_shared_t *sh_mesg = (const H5O_shared_t *)_mesg; /* Pointer to shared message portion of actual message */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5O_SHARED_ENCODE)
+
+#ifndef H5O_SHARED_TYPE
+#error "Need to define H5O_SHARED_TYPE macro!"
+#endif /* H5O_SHARED_TYPE */
+#ifndef H5O_SHARED_ENCODE
+#error "Need to define H5O_SHARED_ENCODE macro!"
+#endif /* H5O_SHARED_ENCODE */
+#ifndef H5O_SHARED_ENCODE_REAL
+#error "Need to define H5O_SHARED_ENCODE_REAL macro!"
+#endif /* H5O_SHARED_ENCODE_REAL */
+
+ /* Check for shared message */
+ if(H5O_IS_SHARED(sh_mesg->flags)) {
+ /* Encode shared message into buffer */
+ if(H5O_shared_encode(f, p, sh_mesg) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTENCODE, FAIL, "unable to encode shared message")
+ } /* end if */
+ else {
+ /* Encode native message directly */
+ if(H5O_SHARED_ENCODE_REAL(f, p, _mesg) < )
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTENCODE, FAIL, "unable to encode native message")
+ } /* end else */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5O_SHARED_ENCODE() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5O_SHARED_SIZE
+ *
+ * Purpose: Returns the length of an encoded message.
+ *
+ * Note: The actual name of this routine can be different in each source
+ * file that this header file is included in, and must be defined
+ * prior to including this header file.
+ *
+ * Return: Success: Length
+ * Failure: 0
+ *
+ * Programmer: Quincey Koziol
+ * Friday, January 19, 2007
+ *
+ *-------------------------------------------------------------------------
+ */
+static H5_inline size_t
+H5O_SHARED_SIZE(const H5F_t *f, const void *_mesg)
+{
+ const H5O_shared_t *sh_mesg = (const H5O_shared_t *)_mesg; /* Pointer to shared message portion of actual message */
+ size_t ret_value; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5O_SHARED_SIZE)
+
+#ifndef H5O_SHARED_TYPE
+#error "Need to define H5O_SHARED_TYPE macro!"
+#endif /* H5O_SHARED_TYPE */
+#ifndef H5O_SHARED_SIZE
+#error "Need to define H5O_SHARED_SIZE macro!"
+#endif /* H5O_SHARED_SIZE */
+#ifndef H5O_SHARED_SIZE_REAL
+#error "Need to define H5O_SHARED_SIZE_REAL macro!"
+#endif /* H5O_SHARED_SIZE_REAL */
+
+ /* Check for shared message */
+ if(H5O_IS_SHARED(sh_mesg->flags)) {
+ /* Retrieve encoded size of shared message */
+ if(0 == (ret_value = H5O_shared_size(f, sh_mesg)))
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, 0, "unable to retrieve encoded size of shared message")
+ } /* end if */
+ else {
+ /* Retrieve size of native message directly */
+ if(0 == (ret_value = H5O_SHARED_SIZE_REAL(f, _mesg)))
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, 0, "unable to retrieve encoded size of native message")
+ } /* end else */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5O_SHARED_SIZE() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5O_SHARED_DELETE
+ *
+ * Purpose: Decrement reference count on any objects referenced by
+ * message
+ *
+ * Note: The actual name of this routine can be different in each source
+ * file that this header file is included in, and must be defined
+ * prior to including this header file.
+ *
+ * Return: Success: Non-negative
+ * Failure: Negative
+ *
+ * Programmer: Quincey Koziol
+ * Friday, January 19, 2007
+ *
+ *-------------------------------------------------------------------------
+ */
+static H5_inline herr_t
+H5O_SHARED_DELETE(const H5F_t *f, hid_t dxpl_id, const void *_mesg,
+ hbool_t adj_link)
+{
+ const H5O_shared_t *sh_mesg = (const H5O_shared_t *)_mesg; /* Pointer to shared message portion of actual message */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5O_SHARED_DELETE)
+
+#ifndef H5O_SHARED_TYPE
+#error "Need to define H5O_SHARED_TYPE macro!"
+#endif /* H5O_SHARED_TYPE */
+#ifndef H5O_SHARED_DELETE
+#error "Need to define H5O_SHARED_DELETE macro!"
+#endif /* H5O_SHARED_DELETE */
+#ifndef H5O_SHARED_DELETE_REAL
+#error "Need to define H5O_SHARED_DELETE_REAL macro!"
+#endif /* H5O_SHARED_DELETE_REAL */
+
+ /* Check for shared message */
+ if(H5O_IS_SHARED(sh_mesg->flags)) {
+ /* Decrement the reference count on the shared message/object */
+ if(H5O_shared_delete(f, dxpl_id, sh_mesg, adj_link) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTDEC, FAIL, "unable to decrement ref count for shared message")
+ } /* end if */
+ else {
+ /* Decrement the reference count on the native message directly */
+ if(H5O_SHARED_DELETE_REAL(f, dxpl_id, _mesg, adj_link) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTDEC, FAIL, "unable to decrement ref count for native message")
+ } /* end else */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5O_SHARED_DELETE() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5O_SHARED_LINK
+ *
+ * Purpose: Increment reference count on any objects referenced by
+ * message
+ *
+ * Note: The actual name of this routine can be different in each source
+ * file that this header file is included in, and must be defined
+ * prior to including this header file.
+ *
+ * Return: Success: Non-negative
+ * Failure: Negative
+ *
+ * Programmer: Quincey Koziol
+ * Friday, January 19, 2007
+ *
+ *-------------------------------------------------------------------------
+ */
+static H5_inline herr_t
+H5O_SHARED_LINK(const H5F_t *f, hid_t dxpl_id, const void *_mesg)
+{
+ const H5O_shared_t *sh_mesg = (const H5O_shared_t *)_mesg; /* Pointer to shared message portion of actual message */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5O_SHARED_LINK)
+
+#ifndef H5O_SHARED_TYPE
+#error "Need to define H5O_SHARED_TYPE macro!"
+#endif /* H5O_SHARED_TYPE */
+#ifndef H5O_SHARED_LINK
+#error "Need to define H5O_SHARED_LINK macro!"
+#endif /* H5O_SHARED_LINK */
+#ifndef H5O_SHARED_LINK_REAL
+#error "Need to define H5O_SHARED_LINK_REAL macro!"
+#endif /* H5O_SHARED_LINK_REAL */
+
+ /* Check for shared message */
+ if(H5O_IS_SHARED(sh_mesg->flags)) {
+ /* Increment the reference count on the shared message/object */
+ if(H5O_shared_link(f, dxpl_id, sh_mesg) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTINC, FAIL, "unable to increment ref count for shared message")
+ } /* end if */
+ else {
+ /* Increment the reference count on the native message directly */
+ if(H5O_SHARED_LINK_REAL(f, dxpl_id, _mesg) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTINC, FAIL, "unable to increment ref count for native message")
+ } /* end else */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5O_SHARED_LINK() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5O_SHARED_COPY_FILE
+ *
+ * Purpose: Copies a message from _SRC to _DEST in file
+ *
+ * Note: The actual name of this routine can be different in each source
+ * file that this header file is included in, and must be defined
+ * prior to including this header file.
+ *
+ * Return: Success: Non-negative
+ * Failure: Negative
+ *
+ * Programmer: Quincey Koziol
+ * Friday, January 19, 2007
+ *
+ *-------------------------------------------------------------------------
+ */
+static H5_inline void *
+H5O_SHARED_COPY_FILE(H5F_t *file_src, const H5O_msg_class_t *mesg_type,
+ void *_native_src, H5F_t *file_dst, hid_t dxpl_id, H5O_copy_t *cpy_info,
+ void *udata)
+{
+ const H5O_shared_t *sh_mesg = (const H5O_shared_t *)_native_src; /* Pointer to shared message portion of actual message */
+ void *ret_value; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5O_SHARED_COPY_FILE)
+
+#ifndef H5O_SHARED_TYPE
+#error "Need to define H5O_SHARED_TYPE macro!"
+#endif /* H5O_SHARED_TYPE */
+#ifndef H5O_SHARED_COPY_FILE
+#error "Need to define H5O_SHARED_COPY_FILE macro!"
+#endif /* H5O_SHARED_COPY_FILE */
+#ifndef H5O_SHARED_COPY_FILE_REAL
+#error "Need to define H5O_SHARED_COPY_FILE_REAL macro!"
+#endif /* H5O_SHARED_COPY_FILE_REAL */
+
+ /* Check for shared message */
+ if(H5O_IS_SHARED(sh_mesg->flags)) {
+ /* Copy the shared message to another file */
+ if(NULL == (ret_value = H5O_shared_copy_file(file_src, mesg_type, _native_src, file_dst, dxpl_id, cpy_info, udata)))
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, NULL, "unable to copy shared message to another file")
+ } /* end if */
+ else {
+ /* Decrement the reference count on the native message directly */
+ /* Copy the native message directly to another file */
+ if(NULL == (ret_value = H5O_SHARED_LINK_REAL(file_src, mesg_type, _native_src, file_dst, dxpl_id, cpy_info, udata)))
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, NULL, "unable to copy native message to another file")
+ } /* end else */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5O_SHARED_COPY_FILE() */
+
+#endif /* H5Oshared_H */
+
diff --git a/src/H5Spkg.h b/src/H5Spkg.h
index c9b413e..4c225dc 100644
--- a/src/H5Spkg.h
+++ b/src/H5Spkg.h
@@ -38,13 +38,14 @@
*/
/* Extent container */
struct H5S_extent_t {
- H5S_class_t type; /* Type of extent */
- hsize_t nelem; /* Number of elements in extent */
+ H5O_shared_t sh_loc; /* Shared message info (must be first) */
- unsigned rank; /* Number of dimensions */
- hsize_t *size; /* Current size of the dimensions */
- hsize_t *max; /* Maximum size of the dimensions */
- H5O_shared_t sh_loc; /* location of this message if shared */
+ H5S_class_t type; /* Type of extent */
+ hsize_t nelem; /* Number of elements in extent */
+
+ unsigned rank; /* Number of dimensions */
+ hsize_t *size; /* Current size of the dimensions */
+ hsize_t *max; /* Maximum size of the dimensions */
};
/*
diff --git a/src/H5Tpkg.h b/src/H5Tpkg.h
index 14f77cf..9232196 100644
--- a/src/H5Tpkg.h
+++ b/src/H5Tpkg.h
@@ -326,9 +326,10 @@ typedef struct H5T_shared_t {
} H5T_shared_t;
struct H5T_t {
- H5T_shared_t *shared; /* all other information */
- H5G_name_t path; /* group hier. path if the type is a named type */
- H5O_shared_t sh_loc; /* shared object message if this is a shared type*/
+ H5O_shared_t sh_loc; /* Shared message info (must be first) */
+
+ H5T_shared_t *shared; /* all other information */
+ H5G_name_t path; /* group hier. path if the type is a named type */
};
/* A compound datatype member */