1 files changed, 18 insertions, 2 deletions
diff --git a/random.c b/random.c
index 28b7a9fba4..7b78efe7ca 100644
--- a/random.c
+++ b/random.c
@@ -49,7 +49,7 @@
 # include <sys/param.h>
 #endif
 
-#if defined HAVE_GETRANDOM
+#if defined HAVE_GETRANDOM || defined HAVE_GETENTROPY
 # include <sys/random.h>
 #elif defined __linux__ && defined __NR_getrandom
 # include <linux/random.h>
@@ -425,7 +425,23 @@ random_init(int argc, VALUE *argv, VALUE obj)
 # define USE_DEV_URANDOM 0
 #endif
 
-#if USE_DEV_URANDOM
+#if HAVE_GETENTROPY
+# define MAX_SEED_LEN_PER_READ 256
+static int
+fill_random_bytes_urandom(void *seed, size_t size)
+{
+     unsigned char *p = (unsigned char *)seed;
+     while (size) {
+	size_t len = size < MAX_SEED_LEN_PER_READ ? size : MAX_SEED_LEN_PER_READ;
+	if (getentropy(p, len) != 0) {
+            return -1;
+	}
+	p += len;
+	size -= len;
+     }
+     return 0;
+}
+#elif USE_DEV_URANDOM
 static int
 fill_random_bytes_urandom(void *seed, size_t size)
 {