Операционные системы. Теория и практика. Замятин А.В. - 268 стр.

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printf("Parent: Creating child process...\n");

if ((childpid = fork()) == 0) { // child process starts

printf("Child: Child process created...\n");

close(pipe1[1]);

close(pipe2[0]);

printf("Child: Starting server...\n");

server(pipe1[0], pipe2[1]);

printf("Child: Terminating process...\n");

exit(0);

}

// parent process

close(pipe1[0]);

close(pipe2[1]);

sleep(2);

printf("Parent: Starting client...\n");

client(pipe2[0],pipe1[1]);

printf("Parent: Waiting for child porecess to terminate a zombie...\n");

waitpid(childpid, NULL, 0);

printf("Parent: Zombie terminated...\n");

return 0;

}

void server(int readfd, int writefd) {

char str[MAXLINE];

strcpy(str,"some string to transmit");

ssize_t n = 0;

printf("%s %s %s","Child: Server: Tranferting string

to client - \"",str,"\"\n");

write(writefd, str, strlen(str));

sleep(1);

printf("Child: Server: Waiting for replay from client...");

while ((n = read(readfd,str,MAXLINE)) > 0)

{