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fix to thread support.

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This commit is contained in:
Vítor Santos Costa
2011-03-11 19:49:32 +00:00
parent 93d2ac7e59
commit e05b84ce4e
40 changed files with 222 additions and 498 deletions
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35
library/INDEX.pl
View File

@@ -26,6 +26,7 @@ index(map_assoc,2,assoc,library(assoc)).
index(map_assoc,3,assoc,library(assoc)).
index(put_assoc,4,assoc,library(assoc)).
index(del_assoc,4,assoc,library(assoc)).
index(assoc_to_keys,2,assoc,library(assoc)).
index(del_min_assoc,4,assoc,library(assoc)).
index(del_max_assoc,4,assoc,library(assoc)).
index(avl_new,1,avl,library(avl)).
@@ -52,6 +53,7 @@ index(open_chars_stream,2,charsio,library(charsio)).
index(with_output_to_chars,2,charsio,library(charsio)).
index(with_output_to_chars,3,charsio,library(charsio)).
index(with_output_to_chars,4,charsio,library(charsio)).
index(term_to_atom,2,charsio,library(charsio)).
index(chr_show_store,1,chr,library(chr)).
index(find_chr_constraint,1,chr,library(chr)).
index(chr_trace,0,chr,library(chr)).
@@ -169,9 +171,14 @@ index(jpl_set_element,2,jpl,library(jpl)).
index(append,3,lists,library(lists)).
index(append,2,lists,library(lists)).
index(delete,3,lists,library(lists)).
index(intersection,3,lists,library(lists)).
index(flatten,2,lists,library(lists)).
index(last,2,lists,library(lists)).
index(list_concat,2,lists,library(lists)).
index(max_list,2,lists,library(lists)).
index(member,2,lists,library(lists)).
index(memberchk,2,lists,library(lists)).
index(min_list,2,lists,library(lists)).
index(nextto,3,lists,library(lists)).
index(nth,3,lists,library(lists)).
index(nth,4,lists,library(lists)).
@@ -179,6 +186,7 @@ index(nth0,3,lists,library(lists)).
index(nth0,4,lists,library(lists)).
index(nth1,3,lists,library(lists)).
index(nth1,4,lists,library(lists)).
index(numlist,3,lists,library(lists)).
index(permutation,2,lists,library(lists)).
index(prefix,2,lists,library(lists)).
index(remove_duplicates,2,lists,library(lists)).
@@ -188,16 +196,11 @@ index(select,3,lists,library(lists)).
index(selectchk,3,lists,library(lists)).
index(sublist,2,lists,library(lists)).
index(substitute,4,lists,library(lists)).
index(subtract,3,lists,library(lists)).
index(suffix,2,lists,library(lists)).
index(sum_list,2,lists,library(lists)).
index(sum_list,3,lists,library(lists)).
index(suffix,2,lists,library(lists)).
index(sumlist,2,lists,library(lists)).
index(list_concat,2,lists,library(lists)).
index(flatten,2,lists,library(lists)).
index(max_list,2,lists,library(lists)).
index(min_list,2,lists,library(lists)).
index(numlist,3,lists,library(lists)).
index(intersection,3,lists,library(lists)).
index(nb_queue,1,nb,library(nb)).
index(nb_queue,2,nb,library(nb)).
index(nb_queue_close,3,nb,library(nb)).
@@ -232,6 +235,8 @@ index(option,2,swi_option,library(option)).
index(option,3,swi_option,library(option)).
index(select_option,3,swi_option,library(option)).
index(select_option,4,swi_option,library(option)).
index(merge_options,3,swi_option,library(option)).
index(meta_options,3,swi_option,library(option)).
index(list_to_ord_set,2,ordsets,library(ordsets)).
index(merge,3,ordsets,library(ordsets)).
index(ord_add_element,3,ordsets,library(ordsets)).
@@ -335,14 +340,12 @@ index(ord_list_to_rbtree,2,rbtrees,library(rbtrees)).
index(is_rbtree,1,rbtrees,library(rbtrees)).
index(rb_size,2,rbtrees,library(rbtrees)).
index(rb_in,3,rbtrees,library(rbtrees)).
index(read_line_to_codes,2,readutil,library(readutil)).
index(read_line_to_codes,3,readutil,library(readutil)).
index(read_stream_to_codes,2,readutil,library(readutil)).
index(read_stream_to_codes,3,readutil,library(readutil)).
index(read_file_to_codes,2,readutil,library(readutil)).
index(read_file_to_codes,3,readutil,library(readutil)).
index(read_file_to_terms,2,readutil,library(readutil)).
index(read_file_to_terms,3,readutil,library(readutil)).
index(read_line_to_codes,2,read_util,library(readutil)).
index(read_line_to_codes,3,read_util,library(readutil)).
index(read_stream_to_codes,2,read_util,library(readutil)).
index(read_stream_to_codes,3,read_util,library(readutil)).
index(read_file_to_codes,3,read_util,library(readutil)).
index(read_file_to_terms,3,read_util,library(readutil)).
index(regexp,3,regexp,library(regexp)).
index(regexp,4,regexp,library(regexp)).
index(load_foreign_library,1,shlib,library(shlib)).
@@ -380,6 +383,7 @@ index(system,2,operating_system_support,library(system)).
index(mktime,2,operating_system_support,library(system)).
index(tmpnam,1,operating_system_support,library(system)).
index(tmp_file,2,operating_system_support,library(system)).
index(tmpdir,1,operating_system_support,library(system)).
index(wait,2,operating_system_support,library(system)).
index(working_directory,2,operating_system_support,library(system)).
index(term_hash,2,terms,library(terms)).
@@ -390,7 +394,6 @@ index(unifiable,3,terms,library(terms)).
index(subsumes,2,terms,library(terms)).
index(subsumes_chk,2,terms,library(terms)).
index(cyclic_term,1,terms,library(terms)).
index(acyclic_term,1,terms,library(terms)).
index(variable_in_term,2,terms,library(terms)).
index(variables_within_term,3,terms,library(terms)).
index(new_variables_in_term,3,terms,library(terms)).

4
library/Makefile.in
View File

@@ -96,9 +96,7 @@ DIALECT_PROGRAMS= \
DIALECT_SWI= \
$(srcdir)/dialect/swi/INDEX.pl \
$(srcdir)/dialect/swi/listing.pl \
$(srcdir)/dialect/swi/readutil.pl
$(srcdir)/dialect/swi/listing.pl
install: $(PROGRAMS) install_myddas
mkdir -p $(DESTDIR)$(SHAREDIR)/Yap

16
library/dialect/swi.yap
View File

@@ -64,8 +64,7 @@
[datime/1,
mktime/2,
file_property/2,
delete_file/1,
sleep/1]).
delete_file/1]).
:- reexport(library(arg),
[genarg/3]).
@@ -104,19 +103,6 @@ goal_expansion(atom_concat(A,B),atomic_concat(A,B)).
goal_expansion(atom_concat(A,B,C),atomic_concat(A,B,C)).
%goal_expansion(arg(A,_,_),_) :- nonvar(A), !, fail.
goal_expansion(arg(A,B,C),genarg(A,B,C)).
goal_expansion(time_file(A,B),system:swi_time_file(A,B)).
goal_expansion(stamp_date_time(A,B,C),system:swi_stamp_date_time(A,B,C)).
goal_expansion(date_time_stamp(A,B),system:swi_date_time_stamp(A,B)).
goal_expansion(format_time(A,B,C),system:swi_format_time(A,B,C)).
goal_expansion(format_time(A,B,C,D),system:swi_format_time(A,B,C,D)).
goal_expansion(get_time(A),system:swi_get_time(A)).
goal_expansion(time_file(A,B),system:swi_time_file(A,B)).
goal_expansion(expand_file_name(A,B),system:swi_expand_file_name(A,B)).
goal_expansion(wildcard_match(A,B),system:swi_wilcard_match(A,B)).
goal_expansion(directory_files(A,B),system:swi_directory_files(A,B)).
goal_expansion(exists_file(A), system:swi_exists_file(A)).
goal_expansion(exists_directory(A), system:swi_exists_directory(A)).
% make sure we also use
:- user:library_directory(X),

11
library/dialect/swi/INDEX.pl
View File

@@ -30,7 +30,7 @@ index(partition,5,system,library(dialect/swi)).
index(datime,1,system,library(dialect/swi)).
index(mktime,2,system,library(dialect/swi)).
index(file_property,2,system,library(dialect/swi)).
index(sleep,1,system,library(dialect/swi)).
index(delete_file,1,system,library(dialect/swi)).
index(genarg,3,system,library(dialect/swi)).
index(subsumes,2,system,library(dialect/swi)).
index(subsumes_chk,2,system,library(dialect/swi)).
@@ -41,17 +41,20 @@ index(variant,2,system,library(dialect/swi)).
index(concat_atom,2,system,library(dialect/swi)).
index(concat_atom,3,system,library(dialect/swi)).
index(setenv,2,system,library(dialect/swi)).
index(prolog_to_os_filename,2,system,library(dialect/swi)).
index(is_absolute_file_name,1,system,library(dialect/swi)).
index(read_clause,1,system,library(dialect/swi)).
index(string,1,system,library(dialect/swi)).
index(working_directory,2,system,library(dialect/swi)).
index(chdir,1,system,library(dialect/swi)).
index(compile_aux_clauses,1,system,library(dialect/swi)).
index(convert_time,2,system,library(dialect/swi)).
index('$set_source_module',2,system,library(dialect/swi)).
index('$declare_module',5,system,library(dialect/swi)).
index('$set_predicate_attribute',3,system,library(dialect/swi)).
index(stamp_date_time,3,system,library(dialect/swi)).
index(date_time_stamp,2,system,library(dialect/swi)).
index(format_time,3,system,library(dialect/swi)).
index(format_time,4,system,library(dialect/swi)).
index(time_file,2,system,library(dialect/swi)).
index(flag,3,system,library(dialect/swi)).
index(require,1,system,library(dialect/swi)).
index(normalize_space,2,system,library(dialect/swi)).
index(current_flag,1,system,library(dialect/swi)).

3
library/dialect/swi/fli/blobs.c
View File

@@ -98,6 +98,9 @@ PL_unify_blob(term_t t, void *blob, size_t len, PL_blob_t *type)
if (!ae) {
return FALSE;
}
if (type->acquire) {
type->acquire(AtomToSWIAtom(AbsAtom(ae)));
}
return Yap_unify(Yap_GetFromSlot(t PASS_REGS), MkAtomTerm(AbsAtom(ae)));
}

44
library/dialect/swi/fli/swi.c
View File

@@ -1360,38 +1360,6 @@ X_API int PL_unify_wchars(term_t t, int type, size_t len, const pl_wchar_t *char
return YAP_Unify(Yap_GetFromSlot(t PASS_REGS), chterm);
}
/* SWI: int PL_unify_wchars(term_t ?t, int type, size_t len,, const pl_wchar_t *s)
*/
X_API int PL_unify_wchars_diff(term_t t, term_t tail, int type, size_t len, const pl_wchar_t *chars)
{
CACHE_REGS
YAP_Term chterm;
if (tail == 0)
return PL_unify_wchars(t, type, len, chars);
if (Unsigned(H) > Unsigned(ASP)-CreepFlag) {
if (!Yap_gc(0, ENV, CP)) {
return FALSE;
}
}
if (len == (size_t)-1)
len = wcslen(chars);
switch (type) {
case PL_CODE_LIST:
chterm = YAP_NWideBufferToDiffList(chars, Yap_GetFromSlot(tail PASS_REGS), len);
break;
case PL_CHAR_LIST:
chterm = YAP_NWideBufferToAtomDiffList(chars, Yap_GetFromSlot(tail PASS_REGS), len);
break;
default:
fprintf(stderr,"NOT GOOD option %d PL_unify_chars_wdiff\n",type);
/* should give error?? */
return FALSE;
}
return YAP_Unify(Yap_GetFromSlot(t PASS_REGS), chterm);
}
typedef struct {
int type;
union {
@@ -2528,7 +2496,7 @@ X_API int
PL_destroy_engine(PL_engine_t e)
{
#if THREADS
return YAP_ThreadDestroyEngine((struct worker_local *)e-Yap_WLocal);
return YAP_ThreadDestroyEngine(((struct worker_local *)e)->thread_handle.current_yaam_regs->worker_id_);
#else
return FALSE;
#endif
@@ -2542,7 +2510,7 @@ PL_set_engine(PL_engine_t engine, PL_engine_t *old)
int cwid = PL_thread_self(), nwid;
if (cwid >= 0) {
if (old) *old = (PL_engine_t)(Yap_WLocal+cwid);
if (old) *old = (PL_engine_t)(Yap_WLocal[cwid]);
}
if (!engine) {
if (cwid < 0)
@@ -2561,7 +2529,7 @@ PL_set_engine(PL_engine_t engine, PL_engine_t *old)
}
return PL_ENGINE_SET;
} else {
nwid = (struct worker_local *)engine-Yap_WLocal;
nwid = ((struct worker_local *)engine)->thread_handle.current_yaam_regs->worker_id_;
}
pthread_mutex_lock(&(FOREIGN_ThreadHandle(nwid).tlock));
@@ -2779,6 +2747,8 @@ PL_query(int query)
return (intptr_t)Yap_argv;
case PL_QUERY_USER_CPU:
return (intptr_t)Yap_cputime();
case PL_QUERY_VERSION:
return (intptr_t)600301;
default:
fprintf(stderr,"Unimplemented PL_query %d\n",query);
return (intptr_t)0;
@@ -3002,6 +2972,10 @@ term_t Yap_CvtTerm(term_t ts)
default:
return ts;
}
} else if (f == FunctorDBRef) {
Term ta[0];
ta[0] = MkIntegerTerm(DBRefOfTerm(t));
return Yap_InitSlot(Yap_MkApplTerm(FunctorDBREF, 1, ta) PASS_REGS);
}
}
}

242
library/dialect/swi/readutil.pl
View File

@@ -1,242 +0,0 @@
/* $Id$
Part of SWI-Prolog
Author: Jan Wielemaker
E-mail: jan@swi.psy.uva.nl
WWW: http://www.swi-prolog.org
Copyright (C): 1985-2002, University of Amsterdam
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
As a special exception, if you link this library with other files,
compiled with a Free Software compiler, to produce an executable, this
library does not by itself cause the resulting executable to be covered
by the GNU General Public License. This exception does not however
invalidate any other reasons why the executable file might be covered by
the GNU General Public License.
*/
:- module(read_util,
[ read_line_to_codes/2, % +Fd, -Codes (without trailing \n)
read_line_to_codes/3, % +Fd, -Codes, ?Tail
read_stream_to_codes/2, % +Fd, -Codes
read_stream_to_codes/3, % +Fd, -Codes, ?Tail
read_file_to_codes/3, % +File, -Codes, +Options
read_file_to_terms/3 % +File, -Terms, +Options
]).
:- use_module(library(shlib)).
:- use_module(library(lists), [select/3]).
:- use_module(library(error)).
/** <module> Read utilities
This library provides some commonly used reading predicates. As these
predicates have proven to be time-critical in some applications we moved
them to C. For compatibility as well as to reduce system dependency, we
link the foreign code at runtime and fallback to the Prolog
implementation if the shared object cannot be found.
*/
:- volatile
read_line_to_codes/2,
read_line_to_codes/3,
read_stream_to_codes/2,
read_stream_to_codes/3.
link_foreign :-
catch(load_foreign_library(foreign(readutil)), _, fail), !.
link_foreign :-
assertz((read_line_to_codes(Stream, Line) :-
pl_read_line_to_codes(Stream, Line))),
assertz((read_line_to_codes(Stream, Line, Tail) :-
pl_read_line_to_codes(Stream, Line, Tail))),
assertz((read_stream_to_codes(Stream, Content) :-
pl_read_stream_to_codes(Stream, Content))),
assertz((read_stream_to_codes(Stream, Content, Tail) :-
pl_read_stream_to_codes(Stream, Content, Tail))),
compile_predicates([ read_line_to_codes/2,
read_line_to_codes/3,
read_stream_to_codes/2,
read_stream_to_codes/3
]).
:- initialization(link_foreign, now).
/*******************************
* LINES *
*******************************/
%% read_line_to_codes(+In:stream, -Line:codes) is det.
%
% Read a line of input from In into a list of character codes.
% Trailing newline and or return are deleted. Upon reaching
% end-of-file Line is unified to the atom =end_of_file=.
pl_read_line_to_codes(Fd, Codes) :-
get_code(Fd, C0),
( C0 == -1
-> Codes = end_of_file
; read_1line_to_codes(C0, Fd, Codes0)
),
Codes = Codes0.
read_1line_to_codes(-1, _, []) :- !.
read_1line_to_codes(10, _, []) :- !.
read_1line_to_codes(13, Fd, L) :- !,
get_code(Fd, C2),
read_1line_to_codes(C2, Fd, L).
read_1line_to_codes(C, Fd, [C|T]) :-
get_code(Fd, C2),
read_1line_to_codes(C2, Fd, T).
%% read_line_to_codes(+Fd, -Line, ?Tail) is det.
%
% Read a line of input as a difference list. This should be used
% to read multiple lines efficiently. On reaching end-of-file,
% Tail is bound to the empty list.
pl_read_line_to_codes(Fd, Codes, Tail) :-
get_code(Fd, C0),
read_line_to_codes(C0, Fd, Codes0, Tail),
Codes = Codes0.
read_line_to_codes(-1, _, Tail, Tail) :- !,
Tail = [].
read_line_to_codes(10, _, [10|Tail], Tail) :- !.
read_line_to_codes(C, Fd, [C|T], Tail) :-
get_code(Fd, C2),
read_line_to_codes(C2, Fd, T, Tail).
/*******************************
* STREAM (ENTIRE INPUT) *
*******************************/
%% read_stream_to_codes(+Stream, -Codes) is det.
%% read_stream_to_codes(+Stream, -Codes, ?Tail) is det.
%
% Read input from Stream to a list of character codes. The version
% read_stream_to_codes/3 creates a difference-list.
pl_read_stream_to_codes(Fd, Codes) :-
pl_read_stream_to_codes(Fd, Codes, []).
pl_read_stream_to_codes(Fd, Codes, Tail) :-
get_code(Fd, C0),
read_stream_to_codes(C0, Fd, Codes0, Tail),
Codes = Codes0.
read_stream_to_codes(-1, _, Tail, Tail) :- !.
read_stream_to_codes(C, Fd, [C|T], Tail) :-
get_code(Fd, C2),
read_stream_to_codes(C2, Fd, T, Tail).
%% read_stream_to_terms(+Stream, -Terms, ?Tail, +Options) is det.
read_stream_to_terms(Fd, Terms, Tail, Options) :-
read_term(Fd, C0, Options),
read_stream_to_terms(C0, Fd, Terms0, Tail, Options),
Terms = Terms0.
read_stream_to_terms(end_of_file, _, Tail, Tail, _) :- !.
read_stream_to_terms(C, Fd, [C|T], Tail, Options) :-
read_term(Fd, C2, Options),
read_stream_to_terms(C2, Fd, T, Tail, Options).
/*******************************
* FILE (ENTIRE INPUT) *
*******************************/
%% read_file_to_codes(+Spec, -Codes, +Options) is det.
%
% Read the file Spec into a list of Codes. Options is split into
% options for absolute_file_name/3 and open/4.
read_file_to_codes(Spec, Codes, Options) :-
must_be(proper_list, Options),
( select(tail(Tail), Options, Options1)
-> true
; Tail = [],
Options1 = Options
),
split_options(Options1, file_option, FileOptions, OpenOptions),
absolute_file_name(Spec,
[ access(read)
| FileOptions
],
Path),
open(Path, read, Fd, OpenOptions),
call_cleanup(read_stream_to_codes(Fd, Codes0, Tail),
close(Fd)),
Codes = Codes0.
%% read_file_to_terms(+Spec, -Terms, +Options) is det.
%
% Read the file Spec into a list of terms. Options is split over
% absolute_file_name/3, open/4 and read_term/3.
read_file_to_terms(Spec, Terms, Options) :-
must_be(proper_list, Options),
( select(tail(Tail), Options, Options1)
-> true
; Tail = [],
Options1 = Options
),
split_options(Options1, file_option, FileOptions, Options2),
split_options(Options2, read_option, ReadOptions, OpenOptions),
absolute_file_name(Spec,
[ access(read)
| FileOptions
],
Path),
open(Path, read, Fd, OpenOptions),
call_cleanup(read_stream_to_terms(Fd, Terms0, Tail, ReadOptions),
close(Fd)),
Terms = Terms0.
split_options([], _, [], []).
split_options([H|T], G, File, Open) :-
( call(G, H)
-> File = [H|FT],
OT = Open
; Open = [H|OT],
FT = File
),
split_options(T, G, FT, OT).
read_option(module(_)).
read_option(syntax_errors(_)).
read_option(character_escapes(_)).
read_option(double_quotes(_)).
read_option(backquoted_string(_)).
file_option(extensions(_)).
file_option(file_type(_)).
file_option(file_errors(_)).
file_option(relative_to(_)).
file_option(expand(_)).
/*******************************
* XREF *
*******************************/
:- multifile prolog:meta_goal/2.
:- dynamic prolog:meta_goal/2.
prolog:meta_goal(split_options(_,G,_,_), [G+1]).

130
library/system.yap
View File

@@ -88,79 +88,6 @@ check_int(I, Inp) :-
% file operations
delete_file(IFile) :-
true_file_name(IFile, File),
delete_file(File, off, on, off).
delete_file(IFile, Opts) :-
true_file_name(IFile, File),
process_delete_file_opts(Opts, Dir, Recurse, Ignore, delete_file(File,Opts)),
delete_file(File, Dir, Recurse, Ignore).
process_delete_file_opts(V, _, _, _, T) :- var(V), !,
throw(error(instantiation_error,T)).
process_delete_file_opts([], off, off, off, _) :- !.
process_delete_file_opts([V|_], _, _, _, T) :- var(V), !,
throw(error(instantiation_error,T)).
process_delete_file_opts([directory|Opts], on, Recurse, Ignore, T) :- !,
process_delete_file_opts(Opts, _, Recurse, Ignore, T).
process_delete_file_opts([recursive|Opts], Dir, on, Ignore, T) :- !,
process_delete_file_opts(Opts, Dir, _, Ignore, T).
process_delete_file_opts([ignore|Opts], Dir, Recurse, on, T) :- !,
process_delete_file_opts(Opts, Dir, Recurse, _, T).
process_delete_file_opts(Opts, _, _, _, T) :-
throw(error(domain_error(delete_file_option,Opts),T)).
delete_file(IFile, Dir, Recurse, Ignore) :-
true_file_name(IFile, File),
file_property(File, Type, _, _, _Permissions, _, Ignore),
delete_file(Type, File, Dir, Recurse, Ignore).
delete_file(N, File, _Dir, _Recurse, Ignore) :- number(N), !, % error.
handle_system_error(N, Ignore, delete_file(File)).
delete_file(directory, File, Dir, Recurse, Ignore) :-
delete_directory(Dir, File, Recurse, Ignore).
delete_file(_, File, _Dir, _Recurse, Ignore) :-
unlink_file(File, Ignore).
unlink_file(IFile, Ignore) :-
true_file_name(IFile, File),
unlink(File, N),
handle_system_error(N, Ignore, delete_file(File)).
delete_directory(on, File, _Recurse, Ignore) :-
rm_directory(File, Ignore).
delete_directory(off, File, Recurse, Ignore) :-
delete_directory(Recurse, File, Ignore).
rm_directory(File, Ignore) :-
rmdir(File, Error),
handle_system_error(Error, Ignore, delete_file(File)).
delete_directory(on, File, Ignore) :-
directory_files(File, FileList, Ignore),
path_separator(D),
atom_concat(File, D, FileP),
delete_dirfiles(FileList, FileP, Ignore),
rmdir(File, Ignore).
delete_dirfiles([], _, _).
delete_dirfiles(['.'|Fs], File, Ignore) :- !,
delete_dirfiles(Fs, File, Ignore).
delete_dirfiles(['..'|Fs], File, Ignore) :- !,
delete_dirfiles(Fs, File, Ignore).
delete_dirfiles([F|Fs], File, Ignore) :-
atom_concat(File,F,TrueF),
delete_file(TrueF, off, on, Ignore),
delete_dirfiles(Fs, File, Ignore).
directory_files(IFile, FileList) :-
true_file_name(IFile, File),
directory_files(File, FileList, off).
directory_files(File, FileList, Ignore) :-
list_directory(File, FileList, Error),
handle_system_error(Error, Ignore, directory_files(File, FileList)).
handle_system_error(Error, _Ignore, _G) :- var(Error), !.
handle_system_error(Error, off, G) :- atom(Error), !,
@@ -216,29 +143,6 @@ file_exists(IFile, Permissions) :-
process_permissions(Number, Number) :- integer(Number).
make_directory(Dir) :-
var(Dir), !,
throw(error(instantiation_error,mkdir(Dir))).
make_directory(IDir) :-
atom(IDir), !,
true_file_name(IDir, Dir),
mkdir(Dir,Error),
handle_system_error(Error, off, mkdir(IDir)).
make_directory(Dir) :-
throw(error(type_error(atom,Dir),make_directory(Dir))).
rename_file(IOld, New) :-
atom(IOld), atom(New), !,
true_file_name(IOld,Old),
rename_file(Old, New, Error),
handle_system_error(Error, off, rename_file(Old, New)).
rename_file(X,Y) :- (var(X) ; var(Y)), !,
throw(error(instantiation_error,rename_file(X,Y))).
rename_file(X,Y) :- atom(X), !,
throw(error(type_error(atom,Y),rename_file(X,Y))).
rename_file(X,Y) :-
throw(error(type_error(atom,X),rename_file(X,Y))).
%
% environment manipulation.
%
@@ -413,18 +317,6 @@ system(Command, Status) :-
Status = 0,
handle_system_error(Error, off, G).
sleep(Interval) :- var(Interval), !,
throw(error(instantiation_error,sleep(Interval))).
sleep(Interval) :- number(Interval), !,
( Interval =< 0 ->
throw(error(domain_error(not_less_than_zero,Interval),
sleep(Interval)))
;
sleep(Interval, _Remainder)
).
sleep(Interval) :-
throw(error(type_error(number,Interval),sleep(Interval))).
wait(PID,STATUS) :- var(PID), !,
throw(error(instantiation_error,wait(PID,STATUS))).
wait(PID,STATUS) :- integer(PID), !,
@@ -474,28 +366,6 @@ tmpnam(X) :-
tmpnam(X, Error),
handle_system_error(Error, off, tmpnam(X)).
tmp_file(Base,X) :-
var(Base), !,
throw(error(instantiation_error,tmp_file(Base,X))).
tmp_file(Base,X) :-
atom(Base), !,
tmpdir(Dir),
handle_system_error(Error, off, tmp_file(Base,X)),
pid(PID, Error),
handle_system_error(Error, off, tmp_file(Base,X)),
tmp_file_sequence(I),
% path_separator(D),
atomic_concat([Dir,yap_,Base,'_',PID,'_',I],X).
tmp_file(Base,X) :-
throw(error(type_error(atom,Base),tmp_file(Base,X))).
tmp_file_sequence(X) :-
retract(tmp_file_sequence_counter(X)),
X1 is X+1,
assert(tmp_file_sequence_counter(X1)).
tmp_file_sequence(0) :-
assert(tmp_file_sequence_counter(1)).
%%% Added from Theo, path_seperator is used to replace the c predicate dir_separator which is not OS aware
tmpdir(TmpDir):-