pjs/nsprpub/pr/tests/selintr.c

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2.6 KiB
C

/* -*- 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
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*
* 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) 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"),
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/*
* Test whether classic NSPR's select() wrapper properly blocks
* the periodic SIGALRM clocks. On some platforms (such as
* HP-UX and SINIX) an interrupted select() system call is
* restarted with the originally specified timeout, ignoring
* the time that has elapsed. If a select() call is interrupted
* repeatedly, it will never time out. (See Bugzilla bug #39674.)
*/
#if !defined(XP_UNIX)
/*
* This test is applicable to Unix only.
*/
int main()
{
return 0;
}
#else /* XP_UNIX */
#include "nspr.h"
#include <sys/time.h>
#include <stdio.h>
int main()
{
struct timeval timeout;
int rv;
PR_SetError(0, 0); /* force NSPR to initialize */
PR_EnableClockInterrupts();
/* 2 seconds timeout */
timeout.tv_sec = 2;
timeout.tv_usec = 0;
rv = select(1, NULL, NULL, NULL, &timeout);
printf("select returned %d\n", rv);
return 0;
}
#endif /* XP_UNIX */