no I don't have dependency treated. during the job, I would like to run a program on the machine running the job but I'd like the program to keep running even after the job ends.
2018-06-04 15:30 GMT+02:00 John Hearns <hear...@googlemail.com>: > Tueur what are you trying to achieve here? The example you give is > touch /tmp/newfile.txt' > I think you are trying to send a signal to another process. Could this be > 'Hey - the job has finished and there is a new file for you to process' > If that is so, there may be better ways to do this. If you have a > post-processing step, then you can submit a job whihc depends on the main > job. > https://hpc.nih.gov/docs/job_dependencies.html > > On 4 June 2018 at 15:20, Tueur Volvo <huitr...@gmail.com> wrote: > >> thanks for your answer, i try some solution but it's not work >> >> i try to add setsid and setpgrp for isolate my new process but slurm job >> sleep 6secondes and reboot my machine (i test with reboot command, but we >> can make other bash command, it's just example) >> >> pid_t cpid; //process id's and process groups >> >> cpid = fork(); >> >> if( cpid == 0 ){ >> setsid(); >> setpgrp(); >> execl("/bin/sh", "sh", "-c", "sleep 10; reboot1&", NULL); >> >> } >> wait(NULL); >> >> >> maybe i have a error in my code ? >> >> 2018-05-31 9:37 GMT+02:00 Yair Yarom <ir...@cs.huji.ac.il>: >> >>> Hi, >>> >>> I'm not sure how slurm/spank handles child processes but this might be >>> intentional. So there might be some issues if this were to work. >>> >>> You can try instead of calling system(), to use fork() + exec(). If >>> that still doesn't work, try calling setsid() before the exec(). I can >>> think of situations where your process might still get killed, e.g. if >>> slurm (or even systemd) kills all subprocesses of the "job", by >>> looking at the cgroup. If that's the case, you'll need to move it to >>> another cgroup in addition/instead of setsid(). >>> >>> Yair. >>> >>> >>> >>> On Wed, May 30, 2018 at 5:16 PM, Tueur Volvo <huitr...@gmail.com> wrote: >>> > Hello i have question, how run in background bash script in spank >>> plugin ? >>> > >>> > in my spank plugin in function : slurm_spank_task_init_privileged >>> > >>> > i want to run this script : >>> > >>> > system("nohup bash -c 'sleep 10 ; touch /tmp/newfile.txt' &"); >>> > >>> > i want to run in independant process this bash script, i don't want >>> wait 10 >>> > seconde in my slurm plugin >>> > >>> > i have this code : >>> > int slurm_spank_task_init_privileged (spank_t sp, int ac, char **av) { >>> > >>> > system("nohup bash -c 'sleep 10 ; touch /tmp/newfile.txt' &"); >>> > >>> > return 0; >>> > >>> > } >>> > >>> > actualy it's not work, when slurm ending to run my job, he kill my >>> nohup >>> > command >>> > >>> > if i had in my c code sleep 12, my bash script work >>> > >>> > >>> > int slurm_spank_task_init_privileged (spank_t sp, int ac, char **av) { >>> > >>> > system("nohup bash -c 'sleep 10 ; touch /tmp/newfile.txt' &"); >>> > >>> > sleep(12); >>> > >>> > return 0; >>> > >>> > } >>> > >>> > but i don't want to wait, i want to run my bash script in independant >>> > process >>> > >>> > thanks for advance for your help >>> > >>> > >>> > >>> > >>> >>> >> >
