23 lines
643 B
C++
23 lines
643 B
C++
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using namespace std;
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#include <iostream>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <unistd.h>
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int main(int argc, char * argv[])
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{
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int pid;
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pid = fork();
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if (pid == 0) {
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printf("I am the child, my process id is %d\n",getpid( ));
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printf("the child’s parent process id is %d\n",getppid( ));
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sleep(20);
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printf("I am the child, my process id is %d\n",getpid( ));
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printf("I am the child, parent's process id is %d\n",getppid( ));
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} else
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{
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printf("I am the parent, my process id is %d\n",getpid( ));
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printf("the parents parent process id is %d\n",getppid( ));
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}
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}
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