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Reverted the recent change from random_rand() to rand(). It turned out that

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since libc rand() returns a signed int, there were frequently problems with
timer values wrapping. By reverting to random_rand(), we can provide a
random generator that returns an unsigned and the timer problems are solved.
This commit is contained in:
adamdunkels 2009-02-11 11:08:53 +00:00
parent b80d3cfdb9
commit 585620c102
10 changed files with 28 additions and 29 deletions
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6
apps/shell/shell-time.c
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@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: shell-time.c,v 1.6 2009/02/09 20:54:49 adamdunkels Exp $
* $Id: shell-time.c,v 1.7 2009/02/11 11:08:55 adamdunkels Exp $
*/
/**
@ -44,7 +44,7 @@
#include "sys/clock.h"
#include "net/rime/timesynch.h"
#include "lib/rand.h"
#include "lib/random.h"
#include <stdio.h>
#include <string.h>
@ -318,7 +318,7 @@ PROCESS_THREAD(shell_randwait_process, ev, data)
/* printf("randwait %d command '%s'\n",
maxwait, command);*/
etimer_set(&etimer, rand() % (CLOCK_SECOND * maxwait));
etimer_set(&etimer, random_rand() % (CLOCK_SECOND * maxwait));
PROCESS_WAIT_UNTIL(etimer_expired(&etimer));
/* printf("Starting '%s' child %p (%s)\n", command, randwait_command.child, */