octave: liboctave/system/child-list.cc annotate

annotate liboctave/system/child-list.cc @ 27923:bd51beb6205e

update formatting of copyright notices * Use <https://octave.org/copyright/> instead of <https://octave.org/COPYRIGHT.html/>. * For consistency with other comments in the Octave sources, use C++-style comments for copyright blocks in C and C++ files. * Use delimiters above and below copyright blocks that are appropriate for the language used in the file. * Eliminate extra spacing inside copyright blocks. * lex.ll (looks_like_copyright): Also allow newlines and carriage returns before the word "Copyright". * scripts/mk-doc.pl (gethelp): Also skip empty comment lines. * bp-table.cc, type.m: Adjust tests.

author	John W. Eaton <jwe@octave.org>
date	Wed, 08 Jan 2020 11:59:41 -0500
parents	1891570abac8
children	0a5b15007766

rev	line source
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	1 ////////////////////////////////////////////////////////////////////////
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	2 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	3 // Copyright (C) 1993-2020 The Octave Project Developers
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	4 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	5 // See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	6 // distribution or <https://octave.org/copyright/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	7 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	8 // This file is part of Octave.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	9 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	10 // Octave is free software: you can redistribute it and/or modify it
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	11 // under the terms of the GNU General Public License as published by
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	12 // the Free Software Foundation, either version 3 of the License, or
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	13 // (at your option) any later version.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	14 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	15 // Octave is distributed in the hope that it will be useful, but
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	16 // WITHOUT ANY WARRANTY; without even the implied warranty of
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	18 // GNU General Public License for more details.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	19 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	20 // You should have received a copy of the GNU General Public License
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	21 // along with Octave; see the file COPYING. If not, see
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	22 // <https://www.gnu.org/licenses/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	23 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	24 ////////////////////////////////////////////////////////////////////////
22049 ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	25
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	26 #if defined (HAVE_CONFIG_H)
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	27 # include "config.h"
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	28 #endif
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	29
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	30 #include "child-list.h"
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	31 #include "oct-syscalls.h"
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	32
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	33 namespace octave
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	34 {
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	35 class pid_equal
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	36 {
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	37 public:
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	38
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	39 pid_equal (pid_t v) : val (v) { }
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	40
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	41 bool operator () (const child& oc) const { return oc.pid == val; }
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	42
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	43 private:
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	44
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	45 pid_t val;
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	46 };
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	47
24734 5d8c4cbc56d7 don't use singleton pattern for child_list John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	48 void child_list::remove (pid_t pid)
22049 ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	49 {
24734 5d8c4cbc56d7 don't use singleton pattern for child_list John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	50 m_list.remove_if (pid_equal (pid));
22049 ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	51 }
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	52
24734 5d8c4cbc56d7 don't use singleton pattern for child_list John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	53 void child_list::child_list::insert (pid_t pid, child::child_event_handler f)
22049 ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	54 {
24734 5d8c4cbc56d7 don't use singleton pattern for child_list John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	55 m_list.append (child (pid, f));
22049 ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	56 }
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	57
24734 5d8c4cbc56d7 don't use singleton pattern for child_list John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	58 void child_list::reap (void)
22049 ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	59 {
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	60 // Mark the record for PID invalid.
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	61
24736 cd25b9c5f808 eliminate useless public iterator typedefs in child_list class John W. Eaton <jwe@octave.org> parents: 24734 diff changeset	62 for (auto& oc : m_list)
22049 ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	63 {
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	64 // The call to the child::child_event_handler might
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	65 // invalidate the iterator (for example, by calling
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	66 // child_list::remove), so we increment the iterator
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	67 // here.
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	68
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	69 if (oc.have_status)
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	70 {
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	71 oc.have_status = 0;
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	72
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	73 child::child_event_handler f = oc.handler;
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	74
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	75 if (f && f (oc.pid, oc.status))
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	76 oc.pid = -1;
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	77 }
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	78 }
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	79
24734 5d8c4cbc56d7 don't use singleton pattern for child_list John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	80 // ??
5d8c4cbc56d7 don't use singleton pattern for child_list John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	81 remove (-1);
22049 ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	82 }
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	83
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	84 // Wait on our children and record any changes in their status.
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	85
24734 5d8c4cbc56d7 don't use singleton pattern for child_list John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	86 bool child_list::wait (void)
22049 ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	87 {
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	88 bool retval = false;
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	89
24736 cd25b9c5f808 eliminate useless public iterator typedefs in child_list class John W. Eaton <jwe@octave.org> parents: 24734 diff changeset	90 for (auto& oc : m_list)
22049 ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	91 {
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	92 pid_t pid = oc.pid;
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	93
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	94 if (pid > 0)
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	95 {
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	96 int status;
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	97
23696 08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace John W. Eaton <jwe@octave.org> parents: 23457 diff changeset	98 if (sys::waitpid (pid, &status, sys::wnohang ()) > 0)
22049 ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	99 {
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	100 oc.have_status = 1;
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	101
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	102 oc.status = status;
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	103
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	104 retval = true;
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	105
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	106 break;
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	107 }
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	108 }
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	109 }
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	110
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	111 return retval;
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	112 }
ccf50f029999 move octave_child_list to separate file and define inside namespace John W. Eaton <jwe@octave.org> parents: diff changeset	113 }

Mercurial > octave

annotate liboctave/system/child-list.cc @ 27923:bd51beb6205e