gecko/nsprpub/pr/tests/sleep.c

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2008-06-06 05:36:51 -07:00
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape Portable Runtime (NSPR).
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nspr.h"
#if defined(XP_UNIX) || defined(XP_OS2)
#include <stdio.h>
#ifndef XP_OS2
#include <unistd.h>
#endif
#include <sys/time.h>
#if defined(HAVE_SVID_GETTOD)
#define GTOD(_a) gettimeofday(_a)
#else
#define GTOD(_a) gettimeofday((_a), NULL)
#endif
static PRIntn rv = 0;
static void Other(void *unused)
{
PRIntn didit = 0;
while (PR_SUCCESS == PR_Sleep(PR_MillisecondsToInterval(250)))
{
fprintf(stderr, ".");
didit += 1;
}
if (didit < 5) rv = 1;
}
int main(int argc, char **argv)
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{
PRUint32 elapsed;
PRThread *thread;
struct timeval timein, timeout;
PRInt32 onePercent = 3000000UL / 100UL;
fprintf (stderr, "First sleep will sleep 3 seconds.\n");
fprintf (stderr, " sleep 1 begin\n");
(void)GTOD(&timein);
sleep (3);
(void)GTOD(&timeout);
fprintf (stderr, " sleep 1 end\n");
elapsed = 1000000UL * (timeout.tv_sec - timein.tv_sec);
elapsed += (timeout.tv_usec - timein.tv_usec);
fprintf(stderr, "elapsed %u usecs\n", elapsed);
if (labs(elapsed - 3000000UL) > onePercent) rv = 1;
PR_Init (PR_USER_THREAD, PR_PRIORITY_NORMAL, 100);
PR_STDIO_INIT();
fprintf (stderr, "Second sleep should do the same (does it?).\n");
fprintf (stderr, " sleep 2 begin\n");
(void)GTOD(&timein);
sleep (3);
(void)GTOD(&timeout);
fprintf (stderr, " sleep 2 end\n");
elapsed = 1000000UL * (timeout.tv_sec - timein.tv_sec);
elapsed += (timeout.tv_usec - timein.tv_usec);
fprintf(stderr, "elapsed %u usecs\n", elapsed);
if (labs(elapsed - 3000000UL) > onePercent) rv = 1;
fprintf (stderr, "What happens to other threads?\n");
fprintf (stderr, "You should see dots every quarter second.\n");
fprintf (stderr, "If you don't, you're probably running on classic NSPR.\n");
thread = PR_CreateThread(
PR_USER_THREAD, Other, NULL, PR_PRIORITY_NORMAL,
PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0);
fprintf (stderr, " sleep 2 begin\n");
(void)GTOD(&timein);
sleep (3);
(void)GTOD(&timeout);
fprintf (stderr, " sleep 2 end\n");
PR_Interrupt(thread);
PR_JoinThread(thread);
elapsed = 1000000UL * (timeout.tv_sec - timein.tv_sec);
elapsed += (timeout.tv_usec - timein.tv_usec);
fprintf(stderr, "elapsed %u usecs\n", elapsed);
if (labs(elapsed - 3000000UL) > onePercent) rv = 1;
fprintf(stderr, "%s\n", (0 == rv) ? "PASSED" : "FAILED");
return rv;
}
#else /* defined(XP_UNIX) */
PRIntn main()
{
return 2;
}
#endif /* defined(XP_UNIX) */