static void qemu_event_increment(void)
{
- static const char byte = 0;
+ /* Write 8 bytes to be compatible with eventfd. */
+ static uint64_t val = 1;
ssize_t ret;
if (io_thread_fd == -1)
return;
do {
- ret = write(io_thread_fd, &byte, sizeof(byte));
+ ret = write(io_thread_fd, &val, sizeof(val));
} while (ret < 0 && errno == EINTR);
/* EAGAIN is fine, a read must be pending. */
ssize_t len;
char buffer[512];
- /* Drain the notify pipe */
+ /* Drain the notify pipe. For eventfd, only 8 bytes will be read. */
do {
len = read(fd, buffer, sizeof(buffer));
} while ((len == -1 && errno == EINTR) || len == sizeof(buffer));
int err;
int fds[2];
- err = qemu_pipe(fds);
+ err = qemu_eventfd(fds);
if (err == -1)
return -errno;