alcove

/* Copyright (c) 2015, Michael Santos <michael.santos@gmail.com>
 *
 * Permission to use, copy, modify, and/or 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 "alcove.h"

    int
pid_foreach(alcove_state_t *ap, pid_t pid, void *arg1, void *arg2,
        int (*comp)(pid_t, pid_t),
        int (*fp)(alcove_state_t *ap, alcove_child_t *, void *, void *))
{
    int i = 0;
    int rv = 0;

    for (i = 0; i < ap->fdsetsize; i++) {
        if ((*comp)(ap->child[i].pid, pid) == 0)
            continue;

        rv = (*fp)(ap, &(ap->child[i]), arg1, arg2);

        if (rv <= 0)
            return rv;
    }

    return 1;
}

    int
pid_equal(pid_t p1, pid_t p2)
{
    return p1 == p2;
}

    int
pid_not_equal(pid_t p1, pid_t p2)
{
    return p1 != p2;
}