diff options
Diffstat (limited to 'src/tests/qemu/init.c')
| -rw-r--r-- | src/tests/qemu/init.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/tests/qemu/init.c b/src/tests/qemu/init.c index 90bc981..3e2a237 100644 --- a/src/tests/qemu/init.c +++ b/src/tests/qemu/init.c @@ -18,6 +18,7 @@ #include <sys/types.h> #include <sys/io.h> #include <sys/ioctl.h> +#include <sys/random.h> #include <sys/reboot.h> #include <sys/utsname.h> #include <sys/sendfile.h> @@ -73,7 +74,9 @@ static void seed_rng(void) fd = open("/dev/urandom", O_WRONLY); if (fd < 0) panic("open(urandom)"); - for (int i = 0; i < 256; ++i) { + for (;;) { + if (getrandom(entropy.buffer, sizeof(entropy.buffer), GRND_NONBLOCK) != -1 || errno != EAGAIN) + break; if (ioctl(fd, RNDADDENTROPY, &entropy) < 0) panic("ioctl(urandom)"); } |