pjs/nsprpub/pr/tests/selintr.c

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2.4 KiB
C

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* 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 security libraries.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998-2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
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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 */