Date: Fri, 7 Oct 2011 12:42:03 +0000 (UTC) From: Ed Schouten <ed@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r226100 - head/sys/teken/stress Message-ID: <201110071242.p97Cg3u5011052@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: ed Date: Fri Oct 7 12:42:03 2011 New Revision: 226100 URL: http://svn.freebsd.org/changeset/base/226100 Log: Simply let teken_stress use arc4random. This makes it run quite a bit faster, since it makes system calls less often. Modified: head/sys/teken/stress/teken_stress.c Modified: head/sys/teken/stress/teken_stress.c ============================================================================== --- head/sys/teken/stress/teken_stress.c Fri Oct 7 12:21:50 2011 (r226099) +++ head/sys/teken/stress/teken_stress.c Fri Oct 7 12:42:03 2011 (r226100) @@ -99,24 +99,14 @@ int main(int argc __unused, char *argv[] __unused) { teken_t t; - int rnd; unsigned int i, iteration = 0; unsigned char buf[2048]; - rnd = open("/dev/urandom", O_RDONLY); - if (rnd < 0) { - perror("/dev/urandom"); - exit(1); - } teken_init(&t, &tf, NULL); for (;;) { - if (read(rnd, buf, sizeof buf) != sizeof buf) { - perror("read"); - exit(1); - } - + arc4random_buf(buf, sizeof buf); for (i = 0; i < sizeof buf; i++) { if (buf[i] >= 0x80) buf[i] =
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201110071242.p97Cg3u5011052>