[Overview][Constants][Types][Procedures and functions][Variables][Index] | Reference for unit 'Unix' (#rtl)

# WaitProcess

Wait for process to terminate.

## Declaration

Source position: unix.pp line 88

`function WaitProcess(`
`Pid: cint`
`):cint;`

## Description

WaitProcess waits for process PID to exit. WaitProcess is equivalent to the #rtl.baseunix.FpWaitPID call:

    FpWaitPid(PID,@result,0)

Handles of Signal interrupts (errno=EINTR), and returns the Exitcode of Process PID (>=0) or -Status if it was terminated

## Errors

None.

## See also

#rtl.baseunix.FpWaitPID |  | Wait for a process to terminate
#rtl.baseunix.WTERMSIG |  | Return the signal that caused a process to exit.
#rtl.baseunix.WSTOPSIG |  | Return the exit code from the process.
#rtl.baseunix.WIFEXITED |  | Check whether the process exited normally
WIFSTOPPED |  | Check whether the process is currently stopped.
#rtl.baseunix.WIFSIGNALED |  | Check whether the process was exited by a signal.
W_EXITCODE |  | Construct an exit status based on an return code and signal.
W_STOPCODE |  | Construct an exit status based on a signal.
#rtl.baseunix.WEXITSTATUS |  | Extract the exit status from the fpWaitPID result.