How can I get PID exit status?
Get exit code of a background process
- Run the command CMD in parallel as a background process ( CMD & ).
- In the main script, have a loop to monitor the spawned command every few seconds.
- Exit the loop when the spawned command terminates.
- Capture and report the exit code of the spawned process.
How do I find the process of a PID in Linux?
With default options as ps -p $PID this returns:
- PID: echos the process id.
- TTY: the name of the controlling terminal (if any)
- TIME: how much CPU time the has process used since execution (e.g. 00:00:02)
- CMD: the command that called the process (e.g. java )
Where can I find the PID of the process?
On the Processes tab, select Details to see the PID, along with other useful info. Some kernel errors may cause delays in Task Manager’s graphical interface.
How does Bash listen for exit of process given?
Waits for each process identified by an ID, which may be a process ID or a job specification, and reports its termination status. If ID is not given, waits for all currently active child processes, and the return status is zero. If ID is a a job specification, waits for all processes in that job’s pipeline.
How to find the process ID of a process?
If there’s already a user-mode debugger running on the system in question, the .tlist (List Process IDs) command will display a list of all PIDs on that system. To work with automation scripts, use the Get-Process PowerShell command. Specify a specific process name, to see the process ID for that process.
How to check the exit status of a process?
Exit Status: Returns the status of the last ID; fails if ID is invalid or an invalid option is given. It uses the system call waitpid () .. Regarding the https://stackoverflow.com/a/41613532/1223975 solution that Alexander Mills reposted, Timeout in Seconds Darwin, is a workaround for a UNIX-like OS that does not have GNU tail.