[Octave-bug-tracker] [bug #41148] parallel package: fails to build in windows/mingw

[Tatsuro MATSUOKA]

Follow-up Comment #26, bug #41148 (project octave):


>> dbstop parcellfun
ans =  81
>> res = pararrayfun (4, @ (x) x, 1:15)
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 81
81:   persistent random_func_list = address@hidden, @randn, @rande, @randp, 
@randg};
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 83
83:   if (nargin < 3 || ! isscalar (nproc) || nproc <= 0)
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 87
87:   if (ischar (fun))
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 89
89:   elseif (! isa (fun, "function_handle"))
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 94
94:    chunks_per_proc, cumfunc] = parcellfun_opts ("parcellfun", varargin);
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 96
96:   accumulate = ifelse (isempty (cumfunc), false, true);
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 98
98:   args = varargin(1:nargs);
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 99
99:   if (! all (cellfun ("isclass", args, "cell")))
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 103
103:   if (nargs == 0)
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 105
105:   elseif (nargs > 1)
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 112
112:   njobs = numel (args{1});
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 114
114:   if (chunks_per_proc > 0 && chunks_per_proc < njobs / nproc)
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 144
144:   nproc = min (nproc, numel (args{1}));
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 147
147:   cmdr = cmdw = resr = resw = zeros (nproc, 1);
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 148
148:   err = 0;
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 149
149:   for i = 1:nproc
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 151
151:     [cmdr(i), cmdw(i), err, msg] = pipe ();
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 152
152:     if (err)
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 156
156:     [resr(i), resw(i), err, msg] = pipe ();
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 157
157:     if (err)
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 151
151:     [cmdr(i), cmdw(i), err, msg] = pipe ();
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 152
152:     if (err)
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 156
156:     [resr(i), resw(i), err, msg] = pipe ();
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 157
157:     if (err)
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 151
151:     [cmdr(i), cmdw(i), err, msg] = pipe ();
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 152
152:     if (err)
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 156
156:     [resr(i), resw(i), err, msg] = pipe ();
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 157
157:     if (err)
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 151
151:     [cmdr(i), cmdw(i), err, msg] = pipe ();
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 152
152:     if (err)
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 156
156:     [resr(i), resw(i), err, msg] = pipe ();
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 157
157:     if (err)
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 161
161:   if (! err)
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 163
163:     [statr, statw, err, msg] = pipe ();
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 165
165:   if (err)
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 169
169:   iproc = 0; # the parent process
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 170
170:   nsuc = 0; # number of processes succesfully forked.
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 172
172:   fflush (stdout); # prevent subprocesses from inheriting buffered
output
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 175
175:   seed = rand;
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 177
177:   pids = zeros (nproc, 1);
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 180
180:   for i = 1:nproc
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 181
181:     [pid, msg] = fork ();
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 182
182:     if (pid > 0)
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 190
190:     elseif (pid == 0)
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 194
194:     elseif (pid < 0)
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 196
196:       err = 1;
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 197
197:       break;
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 201
201:   if (iproc)
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 216
216:     fclose (statw);
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 217
217:     for i = 1:nproc
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 219
219:       fclose (cmdr (i));
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 220
220:       fclose (resw (i));
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 219
219:       fclose (cmdr (i));
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 220
220:       fclose (resw (i));
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 219
219:       fclose (cmdr (i));
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 220
220:       fclose (resw (i));
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 219
219:       fclose (cmdr (i));
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 220
220:       fclose (resw (i));
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 223
223:     if (nsuc)
debug> dbstep
stopped in C:OctaveOctave-4.0.2shareoctavepackagesparallel-3.1.0parcellfun.m
at line 232
232:       error ("parcellfun: failed to fork processes");
debug> dbstep
error: parcellfun: failed to fork processes
error: called from
    parcellfun at line 232 column 7
    pararrayfun at line 85 column 26



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