/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /* * Programmer: Quincey Koziol * Tuesday, June 17, 2008 * * Purpose: This file contains declarations which are visible only within * the H5EA package. Source files outside the H5EA package should * include H5EAprivate.h instead. */ #if !(defined(H5EA_PACKAGE) | defined(H5EA_MODULE)) #error "Do not include this file outside the H5EA package!" #endif #ifndef _H5EApkg_H #define _H5EApkg_H /* Get package's private header */ #include "H5EAprivate.h" /* Other private headers needed by this file */ #include "H5ACprivate.h" /* Metadata cache */ #include "H5FLprivate.h" /* Free Lists */ /************************************************/ /* Revisions to FUNC_ENTER/LEAVE & Error Macros */ /************************************************/ #ifndef NDEBUG /* `S' is the name of a function which is being tested to check if it's */ /* a public API function */ #define H5_IS_PUB(S) (((HDisdigit(S[1]) || HDisupper(S[1])) && HDislower(S[2])) || \ ((HDisdigit(S[2]) || HDisupper(S[2])) && HDislower(S[3])) || \ (!S[4] || ((HDisdigit(S[3]) || HDisupper(S[3])) && HDislower(S[4])))) /* `S' is the name of a function which is being tested to check if it's */ /* a private library function */ #define H5_IS_PRIV(S) (((HDisdigit(S[1]) || HDisupper(S[1])) && '_' == S[2] && HDislower(S[3])) || \ ((HDisdigit(S[2]) || HDisupper(S[2])) && '_' == S[3] && HDislower(S[4])) || \ ((HDisdigit(S[3]) || HDisupper(S[3])) && '_' == S[4] && HDislower(S[5]))) /* `S' is the name of a function which is being tested to check if it's */ /* a package private function */ #define H5_IS_PKG(S) (((HDisdigit(S[1]) || HDisupper(S[1])) && '_' == S[2] && '_' == S[3] && HDislower(S[4])) || \ ((HDisdigit(S[2]) || HDisupper(S[2])) && '_' == S[3] && '_' == S[4] && HDislower(S[5])) || \ ((HDisdigit(S[3]) || HDisupper(S[3])) && '_' == S[4] && '_' == S[5] && HDislower(S[6]))) #define FUNC_ENTER_NAME_CHECK(asrt) \ { \ static hbool_t func_check = FALSE; \ \ if(!func_check) { \ /* Check function naming status */ \ HDassert(asrt); \ \ /* Don't check again */ \ func_check = TRUE; \ } /* end if */ \ } /* end scope */ #else /* NDEBUG */ #define FUNC_ENTER_NAME_CHECK(asrt) #define H5_IS_PUB(S) #define H5_IS_PRIV(S) #define H5_IS_PKG(S) #endif /* NDEBUG */ /* Macro for referencing package initialization variables */ #define H5_PACKAGE_INIT_VAR(x) H5_GLUE3(H5_, x, _init_g) /* Macros to check if a package is initialized */ #define H5_CHECK_PACKAGE_INIT_REG_YES(asrt) HDassert(H5_PACKAGE_INIT_VAR(pkg)); #define H5_CHECK_PACKAGE_INIT_REG_NO(asrt) #define H5_CHECK_PACKAGE_INIT_INIT_YES(asrt) #define H5_CHECK_PACKAGE_INIT_INIT_NO(asrt) /* Macros to initialize package, if a package initialization routine is defined */ #define H5_PKG_YES_INIT(pkg) \ if(!H5_PACKAGE_INIT_VAR(pkg)) { \ if(H5_GLUE(pkg, _pkg_init)() < 0) { \ /* (Can't use H5E_THROW here) */ \ H5E_PRINTF(H5E_CANTINIT, "interface initialization failed"); \ ret_value = fail_value; \ goto func_init_failed; \ } /* end if */ \ } /* end if */ #define H5_PKG_NO_INIT(pkg) /* Macros to declare package initialization variable, if a package initialization routine is defined */ #define H5_PKG_YES_INIT_VAR(pkg) extern hbool_t H5_PACKAGE_INIT_VAR(H5_MY_PKG); #define H5_PKG_NO_INIT_VAR(pkg) /* Declare package initialization variable (if in a package) */ #define H5_DECLARE_PKG_VAR(pkg_init, pkg) H5_GLUE3(H5_PKG_, pkg_init, _INIT_VAR)(pkg) #ifdef H5_MY_PKG H5_DECLARE_PKG_VAR(H5_MY_PKG_INIT, H5_MY_PKG) #endif /* H5_MY_PKG */ /* API re-entrance variable */ extern hbool_t H5_api_entered_g; /* Has library already been entered through API? */ /* Macros for entering different scopes of routines */ #define H5_PACKAGE_ENTER(pkg, pkg_init, init) \ FUNC_ENTER_NAME_CHECK(H5_IS_PKG(__func__)) \ \ /* The library should be initialized already */ \ HDassert(H5_INIT_GLOBAL); \ \ /* This interface should be initialized already */ \ /* (except for package initialization routines :-) */ \ H5_GLUE4(H5_CHECK_PACKAGE_INIT_, init, _, pkg_init)(pkg) \ \ /* Push the name of this function on the function stack */ \ H5_PUSH_FUNC(__func__) \ \ /* Enter scope for this type of function */ \ { #define H5_PRIVATE_ENTER(pkg, pkg_init) \ FUNC_ENTER_NAME_CHECK(H5_IS_PRIV(__func__)) \ \ /* The library should be initialized already */ \ HDassert(H5_INIT_GLOBAL); \ \ /* Initialize this interface if desired */ \ H5_GLUE3(H5_PKG_, pkg_init, _INIT)(pkg) \ \ /* Push the name of this function on the function stack */ \ H5_PUSH_FUNC(__func__) \ \ /* Enter scope for this type of function */ \ {{ /* Remove this shim and change H5TRACE* macros when this change is permanent -QAK */ #ifdef H5_DEBUG_API #define FUNC __func__ #endif #define H5_PUBLIC_ENTER(pkg, pkg_init) \ FUNC_ENTER_API_VARS(__func__) \ FUNC_ENTER_API_THREADSAFE; \ FUNC_ENTER_NAME_CHECK(H5_IS_PUB(__func__)) \ \ /* Clear thread error stack when entering public functions */ \ H5E_clear_stack(NULL); \ \ /* Initialize the library or bust */ \ if(!(H5_INIT_GLOBAL)) { \ H5_INIT_GLOBAL = TRUE; \ if(H5_init_library() < 0) { \ /* (Can't use H5E_THROW here) */ \ H5E_PRINTF(H5E_CANTINIT, "interface initialization failed"); \ ret_value = fail_value; \ goto func_init_failed; \ } /* end if */ \ } /* end if */ \ \ /* Initialize this interface if desired */ \ H5_GLUE3(H5_PKG_, pkg_init, _INIT)(pkg) \ \ /* Check for re-entering API routine */ \ HDassert(!H5_api_entered_g); \ H5_api_entered_g = TRUE; \ \ /* Start logging MPI's MPE information */ \ BEGIN_MPE_LOG(__func__) \ \ /* Push the name of this function on the function stack */ \ H5_PUSH_FUNC(__func__) \ \ /* Enter scope for this type of function */ \ {{{ /* Macros for substituting the package name */ #define FUNC_ENTER_STATIC H5_PACKAGE_ENTER(H5_MY_PKG, H5_MY_PKG_INIT, REG) #define FUNC_ENTER_PKGINIT H5_PACKAGE_ENTER(H5_MY_PKG, H5_MY_PKG_INIT, INIT) #define FUNC_ENTER_PKG H5_PACKAGE_ENTER(H5_MY_PKG, H5_MY_PKG_INIT, REG) #define FUNC_ENTER_PRIV H5_PRIVATE_ENTER(H5_MY_PKG, H5_MY_PKG_INIT) #define FUNC_ENTER_PUB H5_PUBLIC_ENTER(H5_MY_PKG, H5_MY_PKG_INIT) /* Macros for substituting a function prefix */ #define FUNC_PREFIX_STATIC static #define FUNC_PREFIX_PKGINIT #define FUNC_PREFIX_PKG #define FUNC_PREFIX_PRIV #define FUNC_PREFIX_PUB /* Macros for declaring error variables */ #define FUNC_ERR_VAR_ERR(ret_typ, err) \ hbool_t past_catch = FALSE; \ ret_typ fail_value = err; #define FUNC_ERR_VAR_ERRCATCH(ret_typ, err) \ hbool_t past_catch = FALSE; #define FUNC_ERR_VAR_NOERR(ret_typ, err) /* Use this macro when entering all functions */ #define BEGIN_FUNC(scope, use_err, ret_typ, ret_init, err, func) \ H5_GLUE(FUNC_PREFIX_, scope) \ ret_typ \ func \ /* Open function */ \ { \ ret_typ ret_value = ret_init; \ H5_GLUE(FUNC_ERR_VAR_, use_err)(ret_typ, err) \ H5_GLUE(FUNC_ENTER_, scope) /* Macros for label when a function initialization can fail */ #define H5_PRIV_YES_FUNC_INIT_FAILED func_init_failed: #define H5_PRIV_NO_FUNC_INIT_FAILED #define H5_PRIV_FUNC_INIT_FAILED(pkg_init) H5_GLUE3(H5_PRIV_, pkg_init, _FUNC_INIT_FAILED) /* Macros for leaving different scopes of routines */ #define FUNC_LEAVE_STATIC \ /* Leave scope for this type of function */ \ } \ \ /* Pop the name of this function off the function stack */ \ H5_POP_FUNC #define FUNC_LEAVE_PKG \ /* Leave scope for this type of function */ \ } \ \ /* Pop the name of this function off the function stack */ \ H5_POP_FUNC #define FUNC_LEAVE_PRIV \ /* Leave scope for this type of function */ \ }} \ \ /* Label for errors during FUNC_ENTER */ \ H5_PRIV_FUNC_INIT_FAILED(H5_MY_PKG_INIT) \ \ /* Pop the name of this function off the function stack */ \ H5_POP_FUNC #define FUNC_LEAVE_PUB \ /* Leave scope for this type of function */ \ }}} \ \ /* Label for errors during FUNC_ENTER */ \ func_init_failed: \ \ /* Dump error stack if an error occurred during API routine */ \ if(ret_value == fail_value) \ (void)H5E_dump_api_stack(TRUE); \ \ /* Finish the API tracing info */ \ H5TRACE_RETURN(ret_value); \ \ /* Pop the name of this function off the function stack */ \ H5_POP_FUNC \ \ /* Finish the MPE tracing info */ \ FINISH_MPE_LOG; \ \ /* Check for leaving API routine */ \ HDassert(H5_api_entered_g); \ H5_api_entered_g = FALSE; \ \ /* Release thread-safety semaphore */ \ FUNC_LEAVE_API_THREADSAFE /* Use this macro when leaving all functions */ #define END_FUNC(scope) \ /* Scope-specific function conclusion */ \ H5_GLUE(FUNC_LEAVE_, scope) \ \ /* Leave routine */ \ return(ret_value); \ \ /* Close Function */ \ } /* * H5E_PRINTF macro, used to facilitate error reporting between a BEGIN_FUNC() * and an END_FUNC() within a function body. The arguments are the minor * error number, a description of the error (as a printf-like format string), * and an optional set of arguments for the printf format arguments. */ #define H5E_PRINTF(...) H5E_printf_stack(NULL, __FILE__, __func__, __LINE__, H5E_ERR_CLS_g, H5_MY_PKG_ERR, __VA_ARGS__) /* * H5_LEAVE macro, used to facilitate control flow between a * BEGIN_FUNC() and an END_FUNC() within a function body. The argument is * the return value. * The return value is assigned to a variable `ret_value' and control branches * to the `catch' label, if we're not already past it. */ #define H5_LEAVE(v) { \ ret_value = v; \ if(!past_catch) \ goto catch; \ } /* * H5E_THROW macro, used to facilitate error reporting between a * FUNC_ENTER() and a FUNC_LEAVE() within a function body. The arguments are * the minor error number, and an error string. * The return value is assigned to a variable `ret_value' and control branches * to the `catch' label, if we're not already past it. */ #define H5E_THROW(...) { \ H5E_PRINTF(__VA_ARGS__); \ H5_LEAVE(fail_value) \ } /* Macro for "catching" flow of control when an error occurs. Note that the * H5_LEAVE macro won't jump back here once it's past this point. */ #define CATCH past_catch = TRUE; catch:; /**************************/ /* Package Private Macros */ /**************************/ /* If this package header is being included in one of the H5EA modules, define * the proper control macros for the generic FUNC_ENTER/LEAVE and error * reporting macros. */ #ifdef H5EA_MODULE #define H5_MY_PKG H5EA #define H5_MY_PKG_ERR H5E_EARRAY #define H5_MY_PKG_INIT NO #endif /* H5EA_MODULE */ /* Size of signature information (on disk) */ #define H5EA_SIZEOF_MAGIC 4 /* Fractal heap signatures */ #define H5EA_HDR_MAGIC "EAHD" /* Header */ /* Size of checksum information (on disk) */ #define H5EA_SIZEOF_CHKSUM 4 /* "Standard" size of prefix information for extensible array metadata */ #define H5EA_METADATA_PREFIX_SIZE(c) ( \ H5EA_SIZEOF_MAGIC /* Signature */ \ + 1 /* Version */ \ + ((c) ? H5EA_SIZEOF_CHKSUM : 0) /* Metadata checksum */ \ ) /* Size of the extensible array header on disk */ #define H5EA_HEADER_SIZE(h) ( \ /* General metadata fields */ \ H5EA_METADATA_PREFIX_SIZE(TRUE) \ \ /* Extensible Array Header specific fields */ \ \ /* General heap information */ \ + 1 /* Element Size */ \ + 1 /* # of elements to store in index block */ \ + 1 /* Min. # elements per data block */ \ + 1 /* Min. # of data block pointers for a super block */ \ ) /****************************/ /* Package Private Typedefs */ /****************************/ /* The extensible array header information */ /* (Each extensible array header has certain information that is shared across * all the blocks in that extensible array) */ typedef struct H5EA_hdr_t { /* Information for H5AC cache functions, _must_ be first field in structure */ H5AC_info_t cache_info; /* Extensible array configuration/creation parameters (stored) */ uint8_t elmt_size; /* Element size (in bytes) */ uint8_t idx_blk_elmts; /* # of elements to store in index block */ uint8_t data_blk_min_elmts; /* Min. # of elements per data block */ uint8_t sup_blk_min_data_ptrs; /* Min. # of data block pointers for a super block */ /* Computed/cached values */ size_t rc; /* Reference count of heap's components using heap header */ haddr_t addr; /* Address of header in file */ size_t size; /* Size of header in file */ H5F_t *f; /* Pointer to file for extensible array */ size_t file_rc; /* Reference count of files using array header */ hbool_t pending_delete; /* Array is pending deletion */ } H5EA_hdr_t; /* Extensible array */ struct H5EA_t { H5EA_hdr_t *hdr; /* Pointer to internal extensible array header info */ H5F_t *f; /* Pointer to file for extensible array */ }; /*****************************/ /* Package Private Variables */ /*****************************/ /* H5EA header inherits cache-like properties from H5AC */ H5_DLLVAR const H5AC_class_t H5AC_EARRAY_HDR[1]; /* Declare a free list to manage the H5EA_hdr_t struct */ H5FL_EXTERN(H5EA_hdr_t); /******************************/ /* Package Private Prototypes */ /******************************/ /* Header routines */ H5_DLL H5EA_hdr_t *H5EA__hdr_alloc(H5F_t *f); H5_DLL haddr_t H5EA__hdr_create(H5F_t *f, hid_t dxpl_id, const H5EA_create_t *cparam); H5_DLL herr_t H5EA__hdr_incr(H5EA_hdr_t *hdr); H5_DLL herr_t H5EA__hdr_decr(H5EA_hdr_t *hdr); H5_DLL herr_t H5EA__hdr_fuse_incr(H5EA_hdr_t *hdr); H5_DLL size_t H5EA__hdr_fuse_decr(H5EA_hdr_t *hdr); H5_DLL herr_t H5EA__hdr_delete(H5EA_hdr_t *hdr, hid_t dxpl_id); /* Metadata cache callbacks */ H5_DLL herr_t H5EA__cache_hdr_dest(H5F_t *f, H5EA_hdr_t *hdr); /* Testing routines */ #ifdef H5EA_TESTING H5_DLL herr_t H5EA_get_cparam_test(const H5EA_t *ea, H5EA_create_t *cparam); H5_DLL int H5EA_cmp_cparam_test(const H5EA_create_t *cparam1, const H5EA_create_t *cparam2); #endif /* H5EA_TESTING */ #endif /* _H5EApkg_H */