1 files changed, 10 insertions, 5 deletions
diff --git a/src/utils.c b/src/utils.c
index bd3ea0e..5647d24 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -48,6 +48,8 @@
 #endif
 #include <stdio.h>
 #include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
 #include <stdarg.h>
 #include <string.h>
 #include <time.h>
@@ -59,6 +61,7 @@
 #ifndef WIN32
 #include <syslog.h>
 #include <sys/types.h>
+#include <sys/stat.h>
 #include <sys/socket.h>
 #include <netdb.h>
 #include <netinet/in.h>
@@ -161,11 +164,13 @@ int pt_random(void) {
 #ifndef TIME_UTC
 #define TIME_UTC 1
 #endif
-	struct timespec ts;
-
-	assert(timespec_get(&ts, TIME_UTC));
-	srandom(ts.tv_nsec ^ ts.tv_sec);
-	return random();
+	static int rng_fd = -1;
+	int rnd_val;
+	if (rng_fd < 0)
+		rng_fd = open("/dev/random", O_RDONLY);
+	assert(rng_fd >= 0);
+	assert( read(rng_fd, &rnd_val, sizeof rnd_val) == sizeof rnd_val );
+	return rnd_val;
 #else
 	srand(time(0));
 	return rand();