PID/PPID example

#include <stdio.h>

int main( void )

{

int pid;

printf( "ORIGINAL: PID=%d PPID=%d\n", getpid(), getppid() );

pid = fork();

if( pid != 0 )

printf( "PARENT: PID=%d PPID=%d child=%d\n",

getpid(), getppid(), pid );

else

printf( "CHILD: PID=%d PPID=%d\n", getpid(), getppid() );

printf( "PID %d terminates.\n\n", getpid() );

return( 1 );

}

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