*/
#if defined(__linux__)
+#if defined(HAVE_GETRANDOM)
+#include <sys/random.h>
+#endif
#include <sys/file.h>
#include <unistd.h>
+#include <fcntl.h>
#else
#include <time.h>
#endif
goto fixed_seed;
#if defined(__linux__)
+ size_t seed_size = sizeof(uint64_t) * 2;
+
+#if defined(HAVE_GETRANDOM)
+ ssize_t ret = getrandom(seed, seed_size, GRND_NONBLOCK);
+ if (ret == seed_size)
+ return;
+#endif
+
int fd = open("/dev/urandom", O_RDONLY);
if (fd < 0)
goto fixed_seed;
- size_t seed_size = sizeof(uint64_t) * 2;
if (read(fd, seed, seed_size) != seed_size) {
close(fd);
goto fixed_seed;