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#include <assert.h>
#include <poll.h>
#include <time.h>
#include <unistd.h>
int main(void) {
struct pollfd fds[2];
time_t before, now;
int ret;
fds[0] = (struct pollfd){.fd = 1, .events = POLLOUT, .revents = 0};
fds[1] = (struct pollfd){.fd = 2, .events = POLLOUT, .revents = 0};
ret = poll(fds, 2, -1);
assert(ret == 2);
assert(fds[0].revents == POLLOUT);
assert(fds[1].revents == POLLOUT);
fds[0] = (struct pollfd){.fd = 0, .events = POLLIN, .revents = 0};
time(&before);
ret = poll(fds, 1, 2000);
time(&now);
assert(ret == 0);
assert(now - before >= 2);
sleep(1);
time(&now);
assert(now - before >= 3);
return 0;
}
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