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1.1 ! root 1: .TH GETPID 2 "12 February 1983" ! 2: .UC 4 ! 3: .SH NAME ! 4: getpid, getppid \- get process identification ! 5: .SH SYNOPSIS ! 6: .ft B ! 7: .nf ! 8: pid = getpid() ! 9: long pid; ! 10: .sp ! 11: ppid = getppid() ! 12: long ppid; ! 13: .fi ! 14: .ft R ! 15: .SH DESCRIPTION ! 16: .I Getpid ! 17: returns ! 18: the process ID of ! 19: the current process. ! 20: Most often it is used with the host identifier ! 21: .IR gethostid (2) ! 22: to generate uniquely-named temporary files. ! 23: .PP ! 24: .I Getppid ! 25: returns the process ID of the parent ! 26: of the current process. ! 27: .SH "SEE ALSO ! 28: gethostid(2)
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