getpid - get the process ID
The getpid() function shall return the process ID of the calling process.
The getpid() function shall always be successful and no return value is reserved to indicate an error.
No errors are defined.
exec , fork , getpgrp , getppid , kill , mkdtemp , setpgid , setsid
XBD <sys/types.h> , <unistd.h>
First released in Issue 1. Derived from Issue 1 of the SVID.
In the SYNOPSIS, the optional include of the <sys/types.h> header is removed.
The following new requirements on POSIX implementations derive from alignment with the Single UNIX Specification:
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