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GETPID ( 2 ) GETPID ( 2 ) N NA AM ME E getpid, getppid – get process ids S SY YN NO OP PS SIIS S int getpid(void) int getppid(void) D DE ES SC CR RIIP PT TIIO ON N Getpid reads /dev/pid (see cons(3)) and converts it to get the process id of the current process, a number guaranteed to be unique among all running processes on the machine executing getpid. Getppid reads /dev/ppid (see cons(3)) and converts it to get the id of the parent of the current process. S SE EE E A AL LS SO O intro(2), cons(3), proc(3) D DIIA AG GN NO OS ST TIIC CS S Returns 0 and sets errstr if unsuccessful. Page 235 Plan 9 January 20, 1993
