tange/parallel
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/parallel.git synced 2024-12-22 20:57:53 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Cleanup of warnings

Browse source
This commit is contained in:
Ole Tange 2009-03-12 16:35:05 +01:00
parent f38da581b7
commit b166d16217
2 changed files with 12 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
parallel
View file

@ -6,7 +6,7 @@ parallel - build and execute command lines from standard input in parallel
=head1 SYNOPSIS
B<parallel> [options] [command [arguments]] < list_of_arguments
B<parallel> [-0cfgqsuvx] [-j num] [command [arguments]] < list_of_arguments
=head1 DESCRIPTION
@ -319,6 +319,7 @@ use IO::File;
use POSIX ":sys_wait_h";
use File::Temp qw/ tempfile tempdir /;
use Getopt::Std;
use strict;
my ($processes,$command);
getopts("0cdefgj:qsuvx") || die_usage();
@ -385,7 +386,7 @@ sub generate_command_line {
# Emulate xargs if there is a command and -x is set
$arg_length += length $next_arg + 1;
debug("arglen $arg_length\n");
$job_line_length = length($command) + 1 + $arg_length;
my $job_line_length = length($command) + 1 + $arg_length;
debug("linelen $job_line_length\n");
if($job_line_length >= $Global::command_line_max_len) {
unget_arg(pop @quoted_args);
@ -450,7 +451,7 @@ sub binary_find_max_length {
my ($lower, $upper) = (@_);
if($lower == $upper or $lower == $upper-1) { return $lower; }
my $middle = int (($upper-$lower)/2 + $lower);
$debug && print "$lower,$upper,$middle\n";
debug("$lower,$upper,$middle\n");
if (is_acceptable_command_line_length($middle)) {
return binary_find_max_length($middle,$upper);
} else {
@ -464,7 +465,7 @@ sub is_acceptable_command_line_length {
# (Can this be done prettier?)
my $len = shift;
my $testscript = q{'system ("true "."x"x$ARGV[0]); exit $?;'};
$debug && print "perl -e $testscript $len\n";
debug("perl -e $testscript $len\n");
system "perl -e $testscript $len";
return not $?;
}
@ -493,6 +494,7 @@ sub processes_available_by_system_limit {
my $spawning_too_slow=0;
my $time = time;
my %fh;
my @children;
DoNotReap();
# Reserve filehandles
@ -517,6 +519,7 @@ sub processes_available_by_system_limit {
# System process limit
$system_limit % 10 or $time=time;
my $child;
if($child = fork()) {
push (@children,$child);
} elsif(defined $child) {
@ -557,7 +560,7 @@ sub processes_available_by_system_limit {
# Cleanup: Close the files
for (keys %fh) { close $fh{$_} }
# Cleanup: Kill the children
for $pid (@children) {
for my $pid (@children) {
kill 15, $pid;
waitpid($pid,0);
}
@ -836,7 +839,7 @@ sub die_usage {
sub usage {
print "Usage:\n";
print "parallel [options] [command [arguments]] < list_of_arguments\n";
print "parallel [-0cfgqsuvx] [command [arguments]] < list_of_arguments\n";
}
#
@ -904,5 +907,3 @@ $main::opt_u = $main::opt_c = $main::opt_f = $main::opt_q =
$main::opt_0 = $main::opt_s = $main::opt_v = $main::opt_g =
$main::opt_j = $main::opt_d = $main::opt_x =1;
$Global::xargs = 1;

6
parallel.1
View file

@ -1,4 +1,4 @@
.\" Automatically generated by Pod::Man 2.18 (Pod::Simple 3.05)
.\" Automatically generated by Pod::Man 2.1801 (Pod::Simple 3.05)
.\"
.\" Standard preamble:
.\" ========================================================================
@ -124,7 +124,7 @@
.\" ========================================================================
.\"
.IX Title "PARALLEL 1"
.TH PARALLEL 1 "2009-02-18" "perl v5.10.0" "User Contributed Perl Documentation"
.TH PARALLEL 1 "2009-03-12" "perl v5.10.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
@ -133,7 +133,7 @@
parallel \- build and execute command lines from standard input in parallel
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\fBparallel\fR [options] [command [arguments]] < list_of_arguments
\&\fBparallel\fR [\-0cfgqsuvx] [\-j num] [command [arguments]] < list_of_arguments
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
For each line of input \fBparallel\fR will execute \fBcommand\fR with the