42 lines
932 B
C
42 lines
932 B
C
//
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// Written for Computer Networks and Systems lab classes
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// AUTHOR : Sergiusz Warga
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#include <stdio.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdlib.h>
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void child_task() {
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printf("I am a child\n");
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}
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void print_pids() {
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printf("My PID is %d\nMy parent's PID is %d\n", getpid(), getppid());
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}
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void print_pids_child() {
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printf("CHILD\nMy PID is %d\nMy parent's PID is %d\n", getpid(), getppid());
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}
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int main() {
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pid_t pid;
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for (int i = 0; i < 5; ++i) {
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pid = fork();
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if (pid == -1) { // If something went wrong.
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perror("Fork: ");
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exit(EXIT_FAILURE);
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}
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if (pid == 0){
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print_pids_child();
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exit(EXIT_SUCCESS);
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}
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}
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printf("I am a parent.\n");
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print_pids();
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sleep(1); // This may be required as the parent process won't wait for the child process to finish its execution.
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return 0;
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} |