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29 lines
710 B
29 lines
710 B
12 months ago
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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void main(void) {
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int fd[2]; // 0 lectura y 1 escritura
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char buffer[30];
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pid_t pid;
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pipe (fd); // creamos el pipe
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pid = fork(); // se crea el proceso hijo
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switch(pid) {
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case -1: // error
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printf("Algo falló ...");
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exit(-1);
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break;
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case 0: // soy el hijo
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printf("El hijo escribe en el pipe ...\n");
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write(fd[1], "Hola papi",10);
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break;
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default: // soy papi
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wait(NULL); //espero a fin del hijo
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printf("El papi lee del pipe ...\n");
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read(fd[0], buffer, 10);
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printf("\tMensaje recibido: %s\n", buffer);
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break;
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}
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}
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