mirror of
https://git.savannah.gnu.org/git/parallel.git
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Implemented --halt-on-error.
Make exit status more consistent.
This commit is contained in:
Ole Tange
parent
87b68365dd
commit
27f2829f05
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@ -10,28 +10,24 @@ Transfer scriptfile before first job. Remove it when last job done.
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monitor to see which jobs are currently running
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http://code.google.com/p/ppss/
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Accept signal INT instead of TERM to complete current running jobs but
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do not start new jobs. Print out the number of jobs waiting to
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complete on STDERR. Accept sig INT again to kill now. This seems to be
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hard, as all foreground processes get the INT from the shell.
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If there are nomore jobs (STDIN is closed) then make sure to
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distribute the arguments evenly if running -X.
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Parallelize so this can be done:
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mdm.screen find dir -execdir mdm-run cmd {} \;
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Maybe:
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find dir -execdir par$ --communication-file /tmp/comfile cmd {} \;
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=head1 options
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find dir -execdir mutex -j4 -b cmd {} \;
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One char options not used: F G J K P Q Y
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=head2 Comfile
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Skilletegn i sshlogin:
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#=item B<--sshlogin> I<[ncpu/]sshlogin[,[ncpu/]sshlogin[,...]]> (beta testing)
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# Skilletegn:
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# No: "#!&()?\<>|;*'~ shellspecial
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# No: @.- part of user@i.p.n.r i.p.n.r host-name
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# No: , separates different sshlogins
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# No: space Will make it hard to do: 8/server1,server2
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# Maybe: / 8//usr/bin/myssh,//usr/bin/ssh
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# %/=:_^
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This will put a lock on /tmp/comfile. The number of locks is the number of running commands.
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If the number is smaller than -j then it will start a process in the background ( cmd & ),
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otherwise wait.
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par$ --wait /tmp/comfile will wait until no more locks on the file
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=head2 mutex
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@ -49,16 +45,27 @@ If -b given works like: mutex -l lockfile -n number_of_locks ; (command; mutex -
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Kan vi finde på lockid som giver mening?
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=head1 options
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Parallelize so this can be done:
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mdm.screen find dir -execdir mdm-run cmd {} \;
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Maybe:
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find dir -execdir par$ --communication-file /tmp/comfile cmd {} \;
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One char options not used: F G J K P Q Y
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find dir -execdir mutex -j4 -b cmd {} \;
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=head2 Comfile
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This will put a lock on /tmp/comfile. The number of locks is the number of running commands.
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If the number is smaller than -j then it will start a process in the background ( cmd & ),
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otherwise wait.
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par$ --wait /tmp/comfile will wait until no more locks on the file
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=head1 Unlikely
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Accept signal INT instead of TERM to complete current running jobs but
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do not start new jobs. Print out the number of jobs waiting to
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complete on STDERR. Accept sig INT again to kill now. This seems to be
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hard, as all foreground processes get the INT from the shell.
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Skilletegn i sshlogin:
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#=item B<--sshlogin> I<[ncpu/]sshlogin[,[ncpu/]sshlogin[,...]]> (beta testing)
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# Skilletegn:
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# No: "#!&()?\<>|;*'~ shellspecial
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# No: @.- part of user@i.p.n.r i.p.n.r host-name
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# No: , separates different sshlogins
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# No: space Will make it hard to do: 8/server1,server2
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# Maybe: / 8//usr/bin/myssh,//usr/bin/ssh
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# %/=:_^
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217
src/parallel
217
src/parallel
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@ -175,6 +175,29 @@ B<-g> is the default. Can be reversed with B<-u>.
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Print a summary of the options to GNU B<parallel> and exit.
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=item B<--halt-on-error> <0|1|2>
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=item B<-H> <0|1|2>
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=over 3
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=item 0
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Do not halt if a job fails. This is the default.
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=item 1
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Do not start new jobs if a job fails, but complete the running jobs
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including cleanup. The exit status will be the exit status from the
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last failing job.
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=item 2
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Kill off all jobs immediately and exit without cleanup. The exit
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status will be the exit status from the failing job.
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=back
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=item B<-I> I<replace-str>
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@ -958,6 +981,84 @@ This will tell GNU B<parallel> to not start any new jobs, but wait until
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the currently running jobs are finished before exiting.
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=head1 ENVIRONMENT VARIABLES
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=over 9
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=item $PARALLEL_PID - unimplemented
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The environment variable $PARALLEL_PID is set by GNU B<parallel> and
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is visible to the jobs started from GNU B<parallel>. This makes it
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possible for the jobs to communicate directly to GNU <parallel>.
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B<Example:> If each of the jobs tests a solution and one of jobs finds
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the solution the job can tell GNU B<parallel> not to start more jobs
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by: B<kill -TERM $PARALLEL_PID>. This only works on the local
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computer.
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=item $PARALLEL
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The environment variable $PARALLEL will be used as default options for
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GNU B<parallel>. However, because some options take arguments the
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options need to be split into groups in which only the last option
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takes an argument. Each group of options should be put on a line of its
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own.
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B<Example:>
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B<cat list | parallel -j1 -k -v ls>
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can be written as:
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B<cat list | PARALLEL="-kvj1" parallel ls>
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B<cat list | parallel -j1 -k -v -S"myssh user@server" ls>
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can be written as:
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B<cat list | PARALLEL="-kvj1>
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B<-Smyssh user@server" parallel echo>
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Notice the newline in the middle is needed because both B<-S> and
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B<-j> take an argument and thus both need to be at the end of a group.
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=back
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=head1 INIT FILE (RC FILE)
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The file ~/.parallelrc will be read if it exists. It should be
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formatted like the environment variable $PARALLEL. Lines starting with
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'#' will be ignored.
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=head1 EXIT STATUS
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If B<--halt-on-error> 0 or not specified:
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=over 6
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=item 0
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All jobs ran without error.
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=item 1-253
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Some of the jobs failed. The exit status gives the number of failed jobs
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=item 254
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More than 253 jobs failed.
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=item 255
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Other error.
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=back
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If B<--halt-on-error> 1 or 2: Exit status of the failing job.
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=head1 DIFFERENCES BETWEEN GNU Parallel AND ALTERNATIVES
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There are a lot programs with some of the functionality of GNU
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@ -1254,58 +1355,6 @@ B<seq 1 19 | parallel -j+0 buffon -o - | sort -n >>B< result>
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B<cat files | parallel -j+0 cmd>
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=head1 ENVIRONMENT VARIABLES
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=over 9
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=item $PARALLEL_PID - unimplemented
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The environment variable $PARALLEL_PID is set by GNU B<parallel> and
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is visible to the jobs started from GNU B<parallel>. This makes it
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possible for the jobs to communicate directly to GNU <parallel>.
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B<Example:> If each of the jobs tests a solution and one of jobs finds
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the solution the job can tell GNU B<parallel> not to start more jobs
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by: B<kill -TERM $PARALLEL_PID>. This only works on the local
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computer.
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=item $PARALLEL
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The environment variable $PARALLEL will be used as default options for
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GNU B<parallel>. However, because some options take arguments the
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options need to be split into groups in which only the last option
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takes an argument. Each group of options should be put on a line of its
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own.
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B<Example:>
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B<cat list | parallel -j1 -k -v ls>
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can be written as:
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B<cat list | PARALLEL="-kvj1" parallel ls>
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B<cat list | parallel -j1 -k -v -S"myssh user@server" ls>
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can be written as:
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B<cat list | PARALLEL="-kvj1>
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B<-Smyssh user@server" parallel echo>
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Notice the newline in the middle is needed because both B<-S> and
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B<-j> take an argument and thus both need to be at the end of a group.
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=back
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=head1 INIT FILE (RC FILE)
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The file ~/.parallelrc will be read if it exists. It should be
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formatted like the environment variable $PARALLEL. Lines starting with
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'#' will be ignored.
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=head1 BUGS
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Filenames beginning with '-' can cause some commands to give
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@ -1467,6 +1516,11 @@ init_run_jobs();
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start_more_jobs();
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ReapIfNeeded();
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drain_job_queue();
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if($::opt_halt_on_error) {
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exit $Global::halt_on_error_exitstatus;
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} else {
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exit(min($Global::exitstatus,254));
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}
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sub parse_options {
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# Defaults:
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@ -1485,6 +1539,8 @@ sub parse_options {
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$Global::interactive = 0;
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$Global::stderr_verbose = 0;
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$Global::default_simultaneous_sshlogins = 9;
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$Global::exitstatus = 0;
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$Global::halt_on_error_exitstatus = 0;
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Getopt::Long::Configure ("bundling","require_order");
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# Add options from .parallelrc
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@ -1526,6 +1582,7 @@ sub parse_options {
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"trc=s" => \@::opt_trc,
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"transfer" => \$::opt_transfer,
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"cleanup" => \$::opt_cleanup,
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"halt-on-error|H=s" => \$::opt_halt_on_error,
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# xargs-compatibility - implemented, man, unittest
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"max-procs|P=s" => \$::opt_P,
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"delimiter|d=s" => \$::opt_d,
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@ -1590,7 +1647,7 @@ sub parse_options {
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if(defined $::opt_a) {
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if(not open(ARGFILE,"<",$::opt_a)) {
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print STDERR "$Global::progname: Cannot open input file `$::opt_a': No such file or directory\n";
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exit(-1);
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exit(255);
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}
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$Global::argfile = *ARGFILE;
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}
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@ -1922,7 +1979,7 @@ sub processes_available_by_system_limit {
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# The child takes one process slot
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# It will be killed later
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sleep 100000;
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exit;
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exit(0);
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} else {
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$max_system_proc_reached = 1;
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}
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@ -2226,6 +2283,7 @@ sub min {
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# Variable structure:
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# $Global::running{$pid}{'seq'} = printsequence
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# $Global::running{$pid}{sshlogin} = server to run on
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# $Global::running{$pid}{'exitstatus'} = exit status
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# $Global::host{$sshlogin}{'no_of_running'} = number of currently running jobs
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# $Global::host{$sshlogin}{'ncpus'} = number of cpus
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# $Global::host{$sshlogin}{'maxlength'} = max line length (currently buggy for remote)
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@ -2288,7 +2346,11 @@ sub next_command_line_with_sshlogin {
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$post .= "$sshcmd $serverlogin rm -f ".shell_quote($file).";";
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}
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}
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return "$pre$sshcmd $serverlogin ".shell_quote($next_command_line)."; $post";
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if($post) {
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# We need to save the exit status of the job
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$post = '_EXIT_status=$?; '.$post.' exit $_EXIT_status;';
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}
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return "$pre$sshcmd $serverlogin ".shell_quote($next_command_line).";".$post;
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} else {
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return $next_command_line;
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}
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@ -2591,7 +2653,7 @@ sub sshcommand_of_sshlogin {
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} else {
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debug($master,"\n");
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`$master`;
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exit;
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exit(0);
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}
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}
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} else {
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@ -2661,9 +2723,13 @@ sub Reaper {
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# This is one of the ssh -M: ignore
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next;
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}
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if($Global::keeporder) {
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$Global::running{$stiff}{'exitstatus'} = $? >> 8;
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debug("died ($Global::running{$stiff}{'exitstatus'}): $Global::running{$stiff}{'seq'}");
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# Force printing now if the job failed and we are going to exit
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my $print_now = ($Global::running{$stiff}{'exitstatus'} and
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$::opt_halt_on_error and $::opt_halt_on_error == 2);
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if($Global::keeporder and not $print_now) {
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$Global::print_later{$Global::running{$stiff}{"seq"}} = $Global::running{$stiff};
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debug("died: $Global::running{$stiff}{'seq'}");
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while($Global::print_later{$Global::job_end_sequence}) {
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debug("Found job end $Global::job_end_sequence");
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print_job($Global::print_later{$Global::job_end_sequence});
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@ -2673,6 +2739,26 @@ sub Reaper {
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} else {
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print_job ($Global::running{$stiff});
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}
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if($Global::running{$stiff}{'exitstatus'}) {
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# The jobs had a exit status <> 0, so error
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$Global::exitstatus++;
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if($::opt_halt_on_error) {
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if($::opt_halt_on_error == 1) {
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# If halt on error == 1 we should gracefully exit
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print STDERR ("$Global::progname: Starting no more jobs. ",
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"Waiting for ", scalar(keys %Global::running),
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" jobs to finish. This job failed:\n",
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$Global::running{$stiff}{"command"},"\n");
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$Global::StartNoNewJobs++;
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$Global::halt_on_error_exitstatus = $Global::running{$stiff}{'exitstatus'};
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} elsif($::opt_halt_on_error == 2) {
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# If halt on error == 2 we should exit immediately
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print STDERR ("$Global::progname: This job failed:\n",
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$Global::running{$stiff}{"command"},"\n");
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exit ($Global::running{$stiff}{'exitstatus'});
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}
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}
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}
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my $sshlogin = $Global::running{$stiff}{'sshlogin'};
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$Global::host{$sshlogin}{'no_of_running'}--;
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$Global::running_jobs--;
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@ -2690,7 +2776,7 @@ sub Reaper {
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sub die_usage {
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usage();
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exit(1);
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exit(255);
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}
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sub usage {
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@ -2808,8 +2894,13 @@ $Global::control_path = 0;
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# TODO Debian package
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# TODO transfer a script to be run
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# TODO check that error code is passed out. echo | parallel /bin/false should give error code
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# TODO halt on first error. (/bin/false; E=$?; /bin/true; echo $E; exit $E); echo $?
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# TODO halt on first error --soft (let running complete) --hard (killall running)
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# TODO to kill from a run script parallel should set PARALLEL_PID that can be sig termed
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# -F basefile this file will be transferred to each sshlogin before a
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# jobs is started. It will be removed if --cleanup is active. The file
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# may be a script to run or some common base data needed for the jobs.
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# Multiple -F can be specified to transfer more basefiles.
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# TODO to kill from a run script parallel should set PARALLEL_PID that can be sig termed
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# TAGS: parallel | parallel processing | multicore | multiprocessor | Clustering/Distributed Networks
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# job control | multiple jobs | parallelization | text processing | cluster | filters
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# Clustering Tools | Command Line Tools | Utilities | System Administration
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|
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58
unittest/actual-results/test22
Normal file
58
unittest/actual-results/test22
Normal file
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@ -0,0 +1,58 @@
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### Test exit val
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0
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1
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### Test --halt-on-error
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1
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parallel: Starting no more jobs. Waiting for 2 jobs to finish. This job failed:
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sleep 2;false
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1
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parallel: This job failed:
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sleep 2;false
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1
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sh: non_exist: command not found
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2
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parallel: Starting no more jobs. Waiting for 3 jobs to finish. This job failed:
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sleep 1;false
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sh: non_exist: command not found
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parallel: Starting no more jobs. Waiting for 1 jobs to finish. This job failed:
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sleep 1; non_exist
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127
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parallel: This job failed:
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sleep 2;false
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1
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### Test last dying print --halt-on-error
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0
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1
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parallel: Starting no more jobs. Waiting for 9 jobs to finish. This job failed:
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perl -e sleep\ \$ARGV[0]\;print\ STDERR\ @ARGV,\"\\n\"\;\ exit\ shift 1
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2
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parallel: Starting no more jobs. Waiting for 8 jobs to finish. This job failed:
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perl -e sleep\ \$ARGV[0]\;print\ STDERR\ @ARGV,\"\\n\"\;\ exit\ shift 2
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3
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parallel: Starting no more jobs. Waiting for 7 jobs to finish. This job failed:
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perl -e sleep\ \$ARGV[0]\;print\ STDERR\ @ARGV,\"\\n\"\;\ exit\ shift 3
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4
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parallel: Starting no more jobs. Waiting for 6 jobs to finish. This job failed:
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perl -e sleep\ \$ARGV[0]\;print\ STDERR\ @ARGV,\"\\n\"\;\ exit\ shift 4
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5
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parallel: Starting no more jobs. Waiting for 5 jobs to finish. This job failed:
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perl -e sleep\ \$ARGV[0]\;print\ STDERR\ @ARGV,\"\\n\"\;\ exit\ shift 5
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6
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parallel: Starting no more jobs. Waiting for 4 jobs to finish. This job failed:
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perl -e sleep\ \$ARGV[0]\;print\ STDERR\ @ARGV,\"\\n\"\;\ exit\ shift 6
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7
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parallel: Starting no more jobs. Waiting for 3 jobs to finish. This job failed:
|
||||
perl -e sleep\ \$ARGV[0]\;print\ STDERR\ @ARGV,\"\\n\"\;\ exit\ shift 7
|
||||
8
|
||||
0
|
||||
parallel: Starting no more jobs. Waiting for 2 jobs to finish. This job failed:
|
||||
perl -e sleep\ \$ARGV[0]\;print\ STDERR\ @ARGV,\"\\n\"\;\ exit\ shift 8
|
||||
9
|
||||
parallel: Starting no more jobs. Waiting for 1 jobs to finish. This job failed:
|
||||
perl -e sleep\ \$ARGV[0]\;print\ STDERR\ @ARGV,\"\\n\"\;\ exit\ shift 9
|
||||
9
|
||||
0
|
||||
1
|
||||
parallel: This job failed:
|
||||
perl -e sleep\ \$ARGV[0]\;print\ STDERR\ @ARGV,\"\\n\"\;\ exit\ shift 1
|
||||
1
|
||||
34
unittest/tests-to-run/test22.sh
Executable file
34
unittest/tests-to-run/test22.sh
Executable file
|
|
@ -0,0 +1,34 @@
|
|||
#!/bin/bash
|
||||
|
||||
PAR=parallel
|
||||
SERVER1=parallel-server1
|
||||
SERVER2=parallel-server2
|
||||
|
||||
(
|
||||
echo '### Test exit val'
|
||||
echo true | parallel
|
||||
echo $?
|
||||
echo false | parallel
|
||||
echo $?
|
||||
|
||||
echo '### Test --halt-on-error'
|
||||
(echo "sleep 1;true"; echo "sleep 2;false";echo "sleep 3;true") | parallel --halt-on-error 0
|
||||
echo $?
|
||||
(echo "sleep 1;true"; echo "sleep 2;false";echo "sleep 3;true") | parallel --halt-on-error 1
|
||||
echo $?
|
||||
(echo "sleep 1;true"; echo "sleep 2;false";echo "sleep 3;true") | parallel --halt-on-error 2
|
||||
echo $?
|
||||
|
||||
(echo "sleep 1;true"; echo "sleep 1;false";echo "sleep 1;true";echo "sleep 1; non_exist") | parallel -H0
|
||||
echo $?
|
||||
(echo "sleep 1;true"; echo "sleep 1;false";echo "sleep 1;true";echo "sleep 1; non_exist") | parallel -H1
|
||||
echo $?
|
||||
(echo "sleep 1;true"; echo "sleep 2;false";echo "sleep 3;true";echo "sleep 4; non_exist") | parallel -H2
|
||||
echo $?
|
||||
|
||||
echo '### Test last dying print --halt-on-error'
|
||||
(seq 0 8;echo 0; echo 9) | parallel -kqH1 perl -e 'sleep $ARGV[0];print STDERR @ARGV,"\n"; exit shift'
|
||||
echo $?
|
||||
(seq 0 8;echo 0; echo 9) | parallel -kqH2 perl -e 'sleep $ARGV[0];print STDERR @ARGV,"\n"; exit shift'
|
||||
echo $?
|
||||
) 2>&1
|
||||
58
unittest/wanted-results/test22
Normal file
58
unittest/wanted-results/test22
Normal file
|
|
@ -0,0 +1,58 @@
|
|||
### Test exit val
|
||||
0
|
||||
1
|
||||
### Test --halt-on-error
|
||||
1
|
||||
parallel: Starting no more jobs. Waiting for 2 jobs to finish. This job failed:
|
||||
sleep 2;false
|
||||
1
|
||||
parallel: This job failed:
|
||||
sleep 2;false
|
||||
1
|
||||
sh: non_exist: command not found
|
||||
2
|
||||
parallel: Starting no more jobs. Waiting for 3 jobs to finish. This job failed:
|
||||
sleep 1;false
|
||||
sh: non_exist: command not found
|
||||
parallel: Starting no more jobs. Waiting for 1 jobs to finish. This job failed:
|
||||
sleep 1; non_exist
|
||||
127
|
||||
parallel: This job failed:
|
||||
sleep 2;false
|
||||
1
|
||||
### Test last dying print --halt-on-error
|
||||
0
|
||||
1
|
||||
parallel: Starting no more jobs. Waiting for 9 jobs to finish. This job failed:
|
||||
perl -e sleep\ \$ARGV[0]\;print\ STDERR\ @ARGV,\"\\n\"\;\ exit\ shift 1
|
||||
2
|
||||
parallel: Starting no more jobs. Waiting for 8 jobs to finish. This job failed:
|
||||
perl -e sleep\ \$ARGV[0]\;print\ STDERR\ @ARGV,\"\\n\"\;\ exit\ shift 2
|
||||
3
|
||||
parallel: Starting no more jobs. Waiting for 7 jobs to finish. This job failed:
|
||||
perl -e sleep\ \$ARGV[0]\;print\ STDERR\ @ARGV,\"\\n\"\;\ exit\ shift 3
|
||||
4
|
||||
parallel: Starting no more jobs. Waiting for 6 jobs to finish. This job failed:
|
||||
perl -e sleep\ \$ARGV[0]\;print\ STDERR\ @ARGV,\"\\n\"\;\ exit\ shift 4
|
||||
5
|
||||
parallel: Starting no more jobs. Waiting for 5 jobs to finish. This job failed:
|
||||
perl -e sleep\ \$ARGV[0]\;print\ STDERR\ @ARGV,\"\\n\"\;\ exit\ shift 5
|
||||
6
|
||||
parallel: Starting no more jobs. Waiting for 4 jobs to finish. This job failed:
|
||||
perl -e sleep\ \$ARGV[0]\;print\ STDERR\ @ARGV,\"\\n\"\;\ exit\ shift 6
|
||||
7
|
||||
parallel: Starting no more jobs. Waiting for 3 jobs to finish. This job failed:
|
||||
perl -e sleep\ \$ARGV[0]\;print\ STDERR\ @ARGV,\"\\n\"\;\ exit\ shift 7
|
||||
8
|
||||
0
|
||||
parallel: Starting no more jobs. Waiting for 2 jobs to finish. This job failed:
|
||||
perl -e sleep\ \$ARGV[0]\;print\ STDERR\ @ARGV,\"\\n\"\;\ exit\ shift 8
|
||||
9
|
||||
parallel: Starting no more jobs. Waiting for 1 jobs to finish. This job failed:
|
||||
perl -e sleep\ \$ARGV[0]\;print\ STDERR\ @ARGV,\"\\n\"\;\ exit\ shift 9
|
||||
9
|
||||
0
|
||||
1
|
||||
parallel: This job failed:
|
||||
perl -e sleep\ \$ARGV[0]\;print\ STDERR\ @ARGV,\"\\n\"\;\ exit\ shift 1
|
||||
1
|
||||
Loading…
Reference in a new issue