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bug #35544: --pipe would read from :::: (-a)

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This commit is contained in:
Ole Tange 2012-02-27 01:51:54 +01:00
parent 6f730374d8
commit bcebac44b1
3 changed files with 25 additions and 4 deletions
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12
src/parallel
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@ -156,7 +156,7 @@ if($Global::semaphore) {
$SIG{TERM} = \&start_no_new_jobs;
start_more_jobs();
if($::opt_pipe) {
spreadstdin();
spreadstdin(@fhlist);
}
reap_if_needed();
::debug("Start draining\n");
@ -177,6 +177,7 @@ sub __PIPE_MODE__ {}
sub spreadstdin {
# read a record
# Spawn a job and print the record to it.
my @fhlist = @_; # Filehandles to read from (Defaults to STDIN)
my $record;
my $buf = "";
my $header = "";
@ -220,7 +221,8 @@ sub spreadstdin {
my $recendrecstart = $recend.$recstart;
# Force the while-loop once if everything was read by header reading
my $force_one_time_through = 0;
while(!$force_one_time_through++ or read(STDIN,substr($buf,length $buf,0),$::opt_blocksize)) {
for my $in (@fhlist) {
while(!$force_one_time_through++ or read($in,substr($buf,length $buf,0),$::opt_blocksize)) {
# substr above = append to $buf
reap_if_needed(); # Re-enable reaping after read() (Bug#33352)
if($::opt_r) {
@ -269,13 +271,15 @@ sub spreadstdin {
}
}
}
do_not_reap(); # Disable reaping before read(STDIN) (Bug#33352)
do_not_reap(); # Disable reaping before read($in) (Bug#33352)
}
}
# If there is anything left in the buffer write it
substr($buf,0,0) = $header;
write_record_to_pipe(\$buf,$recstart,$recend);
::debug("Done reading STDIN\n");
::debug("Done reading input\n");
flush_and_close_pipes();
::debug("Done flushing to children\n");
$Global::start_no_new_jobs = 1;

4
testsuite/tests-to-run/test60.sh
View file

@ -43,4 +43,8 @@ echo '### Test --wd .';
ssh $SSHLOGIN2 mkdir -p mydir;
mkdir -p $HOME/mydir; cd $HOME/mydir;
parallel --workdir . -S $SSHLOGIN2 ::: pwd
echo '### bug #35544: --pipe would read from :::: (-a)';
parallel -j1 --pipe echo foo\;cat ::: a b c :::: <(seq 3) <(seq 4 6)
EOF

13
testsuite/wanted-results/test60
View file

@ -70,3 +70,16 @@ vm1
/home/parallel/mydir
### Test --wd .
/home/parallel/mydir
### bug #35544: --pipe would read from :::: (-a)
foo
a
b
c
foo
1
2
3
foo
4
5
6