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#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/poll.h>
#include <sys/wait.h>
#include "external.h"
int main(int argc, char *argv[])
{
int fd, status;
unsigned cycles, strings;
pid_t pid, p;
struct pollfd pe;
struct rb rb;
pid = fork_pipe_nb(&fd, "/usr/bin/find", "find", NULL);
if (pid == -1)
return -1;
pe.fd = fd;
pe.revents = POLLIN;
rb_reset(&rb);
cycles = 0;
strings = 0;
for (;;) {
char *s;
ssize_t z;
cycles++;
if (poll(&pe, 1, -1) == -1) {
perror("poll");
return -1;
}
z = get_line(fd, &rb, &s);
if (z == -1) {
if (errno == EAGAIN)
continue;
break;
}
if (z == 0)
break;
strings++;
fprintf(stderr, "(%u, %u) %s\n", cycles, strings, s);
free(s);
}
fprintf(stderr, "%u cycles, %u strings\n", cycles, strings);
if (close(fd) == -1)
abort();
p = wait(&status);
assert(p == pid);
return 0;
}
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