/**************************************************************************** * NCSA HDF * * Software Development Group * * National Center for Supercomputing Applications * * University of Illinois at Urbana-Champaign * * 605 E. Springfield, Champaign IL 61820 * * * * For conditions of distribution and use, see the accompanying * * hdf/COPYING file. * * * ****************************************************************************/ #ifdef RCSID static char RcsId[] = "@(#)$Revision$"; #endif /* $Id$ */ /*LINTLIBRARY */ /*+ FILE hdf5err.c HDF error reporting routines EXPORTED ROUTINES H5Enew_err_stack -- Create a new error stack to push values on H5Epush -- Push an error value on an error stack LIBRARY-SCOPED ROUTINES LOCAL ROUTINES H5E_init_interface -- initialize the H5E interface + */ #include /* Generic Functions */ #include /* Atoms */ #include /* Private error routines */ #define PABLO_MASK H5E_mask /*-------------------- Locally scoped variables -----------------------------*/ /* Is the interface initialized? */ static intn interface_initialize_g = FALSE; static const hdf_maj_error_messages_t hdf_maj_error_messages[] = { {H5E_NONE_MAJOR, "No error"}, {H5E_ARGS, "Invalid arguments to routine"}, {H5E_RESOURCE, "Resource unavailable"}, {H5E_INTERNAL, "Internal HDF5 error (too specific to document in detail)"}, {H5E_FILE, "File Accessability"}, {H5E_IO, "Low-level I/O"}, {H5E_FUNC, "Function Entry/Exit"}, {H5E_ATOM, "Object Atom"}, {H5E_CACHE, "Object Cache"}, {H5E_BTREE, "B-Tree Node"}, {H5E_SYM, "Symbol Table"}, {H5E_HEAP, "Heap"}, {H5E_OHDR, "Object Header"}, {H5E_DIRECTORY, "Directory"}, }; static const hdf_min_error_messages_t hdf_min_error_messages[] = { {H5E_NONE_MINOR, "No error"}, {H5E_UNINITIALIZED, "Information is uninitialized"}, {H5E_UNSUPPORTED, "Feature is unsupported"}, {H5E_BADTYPE, "Incorrect type found"}, {H5E_BADRANGE, "Argument out of range"}, {H5E_BADVALUE, "Bad value for argument"}, {H5E_NOSPACE, "No space available for allocation"}, {H5E_FILEEXISTS, "File already exists"}, {H5E_FILEOPEN, "File already open"}, {H5E_CANTCREATE, "Can't create file"}, {H5E_CANTOPEN, "Can't open file"}, {H5E_NOTHDF5, "Not an HDF5 format file"}, {H5E_BADFILE, "Bad file ID accessed"}, {H5E_SEEKERROR, "Seek failed"}, {H5E_READERROR, "Read failed"}, {H5E_WRITEERROR, "Write failed"}, {H5E_CANTINIT, "Can't initialize interface"}, {H5E_ALREADYINIT, "Object already initialized"}, {H5E_BADATOM, "Can't find atom information"}, {H5E_CANTREGISTER, "Can't register new atom"}, {H5E_CANTFLUSH, "Can't flush object from cache"}, {H5E_CANTLOAD, "Can't load object into cache"}, {H5E_NOTFOUND, "Object not found"}, {H5E_EXISTS, "Object already exists"}, {H5E_CANTENCODE, "Can't encode value"}, {H5E_CANTDECODE, "Can't decode value"}, {H5E_CANTSPLIT, "Can't split node"}, {H5E_CANTINSERT, "Can't insert object"}, {H5E_CANTLIST, "Can't list node"}, {H5E_LINKCOUNT, "Bad object header link count"}, {H5E_VERSION, "Wrong version number"}, {H5E_ALIGNMENT, "Alignment error"}, {H5E_BADMESG, "Unrecognized message"}, {H5E_COMPLEN, "Name component is too long"}, {H5E_LINK, "Link count failure"}, }; /*--------------------- Globally scoped variables ---------------------------*/ int32 thrderrid; /* Thread-specific "global" error-handler ID */ /*------------------_-- Local function prototypes ---------------------------*/ static herr_t H5E_init_interface(void); /*-------------------------------------------------------------------------- NAME H5E_init_interface -- Initialize interface-specific information USAGE herr_t H5E_init_interface() RETURNS SUCCEED/FAIL DESCRIPTION Initializes any interface-specific data or routines. Modifications: Robb Matzke, 4 Aug 1997 Changed the pablo mask from H5_mask to H5E_mask --------------------------------------------------------------------------*/ static herr_t H5E_init_interface(void) { herr_t ret_value = SUCCEED; FUNC_ENTER (H5E_init_interface, NULL, FAIL); /* Initialize the atom group for the error stacks */ ret_value=H5Ainit_group(H5_ERR,H5A_ERRSTACK_HASHSIZE,0); FUNC_LEAVE(ret_value); } /* H5E_init_interface */ /*-------------------------------------------------------------------------- NAME H5Enew_err_stack -- Create a new error stack USAGE int32 H5Enew_err_stack(initial_stack_size); uintn initial_stack_size; IN: Starting size of the error stack RETURNS The ID of the error stack created on success, FAIL on failure. DESCRIPTION Dynamically creates a new error stack to push error values onto. --------------------------------------------------------------------------*/ int32 H5Enew_err_stack(uintn initial_stack_size) { H5E_errstack_t *new_stack=NULL; /* Pointer to the new error stack */ int32 ret_value = FAIL; FUNC_ENTER(H5Enew_err_stack, H5E_init_interface,FAIL); /* Allocate the stack header */ if((new_stack=HDmalloc(sizeof(H5E_errstack_t)))==NULL) HGOTO_DONE(FAIL); /* Initialize the stack header */ new_stack->stack_size=initial_stack_size; new_stack->stack_top=0; if((new_stack->err_stack=HDcalloc(initial_stack_size,sizeof(H5E_error_t)))==NULL) { HDfree(new_stack); HGOTO_DONE(FAIL); } /* end if */ new_stack->push=H5E_store; /* Set the default error handler */ /* Get an atom for the error stack */ ret_value=H5Aregister_atom(H5_ERR, new_stack); done: if(ret_value == FAIL) { /* Error condition cleanup */ } /* end if */ /* Normal function cleanup */ FUNC_LEAVE(ret_value); } /* H5Enew_err_stack */ /*-------------------------------------------------------------------------- NAME H5Edelete_err_stack -- Destroy an error stack USAGE intn H5Edelete_err_stack(err_stack); int32 err_stack; IN: Error stack to delete RETURNS SUCCEED/FAIL DESCRIPTION Destroys an error stack, releasing memory allocated, etc. --------------------------------------------------------------------------*/ intn H5Edelete_err_stack(int32 err_stack) { H5E_errstack_t *old_stack=NULL; /* Pointer to the new error stack */ intn ret_value = SUCCEED; FUNC_ENTER(H5Edelete_err_stack, H5E_init_interface,FAIL); /* Clear errors and check args and all the boring stuff. */ if (H5Aatom_group(err_stack)!=H5_ERR) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL); /* Get the error stack to put the error on */ if((old_stack=H5Aremove_atom(err_stack))==NULL) HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL); /* Clear the error descriptions and reset the stack top */ for(; old_stack->stack_top>0; old_stack->stack_top--) { if (old_stack->err_stack[old_stack->stack_top-1].desc) { HDfree(old_stack->err_stack[old_stack->stack_top-1].desc); old_stack->err_stack[old_stack->stack_top-1].desc=NULL; } /* end if */ } /* end if */ HDfree(old_stack->err_stack); HDfree(old_stack); done: if(ret_value == FAIL) { /* Error condition cleanup */ } /* end if */ /* Normal function cleanup */ FUNC_LEAVE(ret_value); } /* H5Edelete_err_stack */ /*-------------------------------------------------------------------------- NAME H5Eclear -- Clear an error stack for later error entries USAGE void H5Eclear(int32 err_hand) int32 err_hand; IN: The ID of the error stack to push the error onto. RETURNS SUCCEED/FAIL DESCRIPTION Clear an error stack to allow errors to be pushed onto it. --------------------------------------------------------------------------*/ herr_t H5Eclear (int32 err_hand) { H5E_errstack_t *err_stack=NULL; /* Pointer to the error stack to put value on */ herr_t ret_value = SUCCEED; FUNC_ENTER (H5Eclear, H5E_init_interface, FAIL); /* Get the error stack for this error handler, initialized earlier in H5Enew_err_stack */ if (H5Aatom_group(err_hand)!=H5_ERR) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL); /* Get the error stack to put the error on */ if((err_stack=H5Aatom_object(err_hand))==NULL) HGOTO_ERROR(H5E_BADATOM, H5E_BADATOM, FAIL); /* Clear the error descriptions and reset the stack top */ for(; err_stack->stack_top>0; err_stack->stack_top--) { if (err_stack->err_stack[err_stack->stack_top-1].desc) { HDfree(err_stack->err_stack[err_stack->stack_top-1].desc); err_stack->err_stack[err_stack->stack_top-1].desc=NULL; } /* end if */ } /* end if */ done: if(ret_value == FAIL) { /* Error condition cleanup */ } /* end if */ /* Normal function cleanup */ FUNC_LEAVE (ret_value); } /* H5Eclear */ /*-------------------------------------------------------------------------- NAME H5E_store -- Push an error value on an error stack USAGE void H5E_store(hdf_err_code_t err, const char *function_name, const char *file_name, intn line) hdf_err_code_t err; IN: The error code which occurred. const char *function_name; IN: Name of the function the error occurred within. const char *file_name; IN: Name of the file the error occurred within. intn line; IN: Line # in the file the error occurred on. RETURNS SUCCESS/FAIL DESCRIPTION Pushes an error onto an error stack for this thread. (This is the default action when errors occur, but can be overridden by user's code) --------------------------------------------------------------------------*/ herr_t H5E_store(int32 errid, hdf_maj_err_code_t maj, hdf_min_err_code_t min, const char *function_name, const char *file_name, intn line) { H5E_errstack_t *err_stack=NULL; /* Pointer to the error stack to put value on */ herr_t ret_value = SUCCEED; FUNC_ENTER(H5E_store, H5E_init_interface,FAIL); /* Clear errors and check args and all the boring stuff. */ H5Eclear(errid); /* Get the error stack to put the error on */ if((err_stack=H5Aatom_object(errid))==NULL) HGOTO_ERROR(H5E_BADATOM, H5E_BADATOM, FAIL); /* Check if we need to expand the stack */ if(err_stack->stack_top>=err_stack->stack_size) { H5E_error_t *old_stack=err_stack->err_stack; /* in case realloc fails */ /* Ask for new stack that's twice as large */ if((err_stack->err_stack=HDrealloc(old_stack,2*err_stack->stack_size))==NULL) { err_stack->err_stack=old_stack; HGOTO_DONE(FAIL); } /* end if */ err_stack->stack_size *= 2; /* increase the size of the stack */ } /* end if */ /* Push the error onto the error stack */ err_stack->err_stack[err_stack->stack_top].maj=maj; err_stack->err_stack[err_stack->stack_top].min=min; HDstrncpy(err_stack->err_stack[err_stack->stack_top].function_name,function_name,MAX_FUNC_NAME_LEN); err_stack->err_stack[err_stack->stack_top].file_name=file_name; err_stack->err_stack[err_stack->stack_top].line=line; /* Increment the top of the error stack */ err_stack->stack_top++; done: if(ret_value == FAIL) { /* Error condition cleanup */ } /* end if */ /* Normal function cleanup */ FUNC_LEAVE (ret_value); } /* H5E_store */ /*-------------------------------------------------------------------------- NAME H5Epush -- Push an error value on an error stack USAGE void H5Epush(hdf_err_code_t err, const char *function_name, const char *file_name, intn line) hdf_err_code_t err; IN: The error code which occurred. const char *function_name; IN: Name of the function the error occurred within. const char *file_name; IN: Name of the file the error occurred within. intn line; IN: Line # in the file the error occurred on. RETURNS SUCCEED/FAIL DESCRIPTION Pushes an error onto an error stack for this thread. --------------------------------------------------------------------------*/ herr_t H5Epush(hdf_maj_err_code_t maj, hdf_min_err_code_t min, const char *function_name, const char *file_name, intn line) { H5E_errstack_t *err_stack=NULL; /* Pointer to the error stack to put value on */ herr_t ret_value = SUCCEED; FUNC_ENTER(H5Epush, H5E_init_interface,FAIL); /* Clear errors and check args and all the boring stuff. */ H5ECLEAR; if (function_name==NULL || file_name==NULL || H5Aatom_group(thrderrid)!=H5_ERR) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL); /* Get the error stack to put the error on */ if((err_stack=H5Aatom_object(thrderrid))==NULL) HGOTO_ERROR(H5E_BADATOM, H5E_BADATOM, FAIL); (err_stack->push)(thrderrid, maj, min, function_name, file_name, line); done: if(ret_value == FAIL) { /* Error condition cleanup */ } /* end if */ /* Normal function cleanup */ FUNC_LEAVE (ret_value); } /* H5Epush */ #ifdef H5_ERROR_DEBUG /*-------------------------------------------------------------------------- NAME H5Eset_push -- Set the function to call when an error value is reported USAGE H5E_push_func_t H5Eset_push(H5E_push_func_t func) H5E_push_func_t func; IN: New function to call when an error occurs. RETURNS The function pointer to the previous error function on success, NULL on failure. DESCRIPTION Changes the function which is called for errors on this thread. The thread ID is implicit, ie. this function must be called within each thread whose error function is to be changed. --------------------------------------------------------------------------*/ H5E_push_func_t H5Eset_push(H5E_push_func_t func) { CONSTR(FUNC, "H5Eset_push"); /* For HERROR */ H5E_errstack_t *err_stack=NULL; /* Pointer to the error stack to put value on */ H5E_push_func_t ret_value = NULL; FUNC_ENTER(H5Eset_push, H5E_init_interface,NULL); /* Clear errors and check args and all the boring stuff. */ H5ECLEAR; if (func==NULL) HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, NULL); /* Get the error stack to put the error on */ if((err_stack=H5Aatom_object(thrderrid))==NULL) HGOTO_ERROR(H5E_BADATOM, H5E_BADATOM, NULL); ret_value=err_stack->push; err_stack->push=func; done: if(ret_value == NULL) { /* Error condition cleanup */ } /* end if */ /* Normal function cleanup */ FUNC_LEAVE(ID_H5Eset_push, ret_value); } /* H5Eset_push */ #endif /* H5_ERROR_DEBUG */