/*      $OpenBSD: w_pselect.c,v 1.1 2016/05/07 19:05:22 guenther Exp $ */
/*
 * Copyright (c) 2015 Philip Guenther <guenther@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/select.h>
#include <signal.h>
#include "cancel.h"

int
pselect(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
    const struct timespec *timeout, const sigset_t *sigmask)
{
        sigset_t set;
        int ret;

        if (sigmask != NULL && sigismember(sigmask, SIGTHR)) {
                set = *sigmask;
                sigdelset(&set, SIGTHR);
                sigmask = &set;
        }

        ENTER_CANCEL_POINT(1);
        ret = HIDDEN(pselect)(nfds, readfds, writefds, exceptfds, timeout,
            sigmask);
        LEAVE_CANCEL_POINT(ret == -1);

        return (ret);
}
DEF_CANCEL(pselect);