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#include <unistd.h>
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
int main(void)
{
int i;
for (i = 0; i < 999; i++) {
int status;
int fds[2];
pid_t pid;
status = pipe(fds);
if (status < 0) {
perror("pipe");
break;
}
pid = fork();
switch (pid) {
case -1:
perror("fork");
exit(EXIT_FAILURE);
case 0: /* child */
do status = write(fds[1], "!", 1); while (status > 0);
perror("write");
exit(EXIT_FAILURE);
default: /* parent */
status = kill(pid, SIGKILL);
if (status < 0) {
perror("kill");
exit(EXIT_FAILURE);
}
}
}
exit(EXIT_SUCCESS);
}
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