Wait for a child to exit.
Source position: bunxh.inc line 72
function FpWait(  | 
var stat_loc: cint  | 
):TPid;  | 
fpWait suspends the current process and waits for any child to exit or stop due to a signal. It reports the exit status of the exited child in stat_loc.
The return value of the function is the process ID of the child that exited, or -1 on error.
Extended error information can be retrieved using fpgetErrno.
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Create child process.  | 
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Execute process using environment.  | 
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Wait for a process to terminate.  |