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/*
* Copyright (c) 2009 Mark Heily <mark@heily.com>
*
* 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 "common.h"
void
test_kevent_signal_add(struct test_context *ctx)
{
struct kevent kev;
kevent_add(ctx->kqfd, &kev, SIGUSR1, EVFILT_SIGNAL, EV_ADD, 0, 0, NULL);
}
void
test_kevent_signal_get(struct test_context *ctx)
{
struct kevent kev, ret;
kevent_add(ctx->kqfd, &kev, SIGUSR1, EVFILT_SIGNAL, EV_ADD, 0, 0, NULL);
if (kill(getpid(), SIGUSR1) < 0)
die("kill");
kev.flags |= EV_CLEAR;
kev.data = 1;
kevent_get(&ret, ctx->kqfd);
kevent_cmp(&kev, &ret);
}
void
test_kevent_signal_disable(struct test_context *ctx)
{
struct kevent kev;
kevent_add(ctx->kqfd, &kev, SIGUSR1, EVFILT_SIGNAL, EV_DISABLE, 0, 0, NULL);
if (kill(getpid(), SIGUSR1) < 0)
die("kill");
test_no_kevents(ctx->kqfd);
}
void
test_kevent_signal_enable(struct test_context *ctx)
{
struct kevent kev, ret;
kevent_add(ctx->kqfd, &kev, SIGUSR1, EVFILT_SIGNAL, EV_ENABLE, 0, 0, NULL);
if (kill(getpid(), SIGUSR1) < 0)
die("kill");
kev.flags = EV_ADD | EV_CLEAR;
#if LIBKQUEUE
kev.data = 1; /* WORKAROUND */
#else
kev.data = 2; // one extra time from test_kevent_signal_disable()
#endif
kevent_get(&ret, ctx->kqfd);
kevent_cmp(&kev, &ret);
/* Delete the watch */
kev.flags = EV_DELETE;
if (kevent(ctx->kqfd, &kev, 1, NULL, 0, NULL) < 0)
die("kevent");
}
void
test_kevent_signal_del(struct test_context *ctx)
{
struct kevent kev;
/* Delete the kevent */
kevent_add(ctx->kqfd, &kev, SIGUSR1, EVFILT_SIGNAL, EV_DELETE, 0, 0, NULL);
signal(SIGUSR1, SIG_IGN);
if (kill(getpid(), SIGUSR1) < 0)
die("kill");
test_no_kevents(ctx->kqfd);
}
void
test_kevent_signal_oneshot(struct test_context *ctx)
{
struct kevent kev, ret;
kevent_add(ctx->kqfd, &kev, SIGUSR1, EVFILT_SIGNAL, EV_ADD | EV_ONESHOT, 0, 0, NULL);
if (kill(getpid(), SIGUSR1) < 0)
die("kill");
kev.flags |= EV_CLEAR;
kev.data = 1;
kevent_get(&ret, ctx->kqfd);
kevent_cmp(&kev, &ret);
/* Send another one and make sure we get no events */
test_no_kevents(ctx->kqfd);
if (kill(getpid(), SIGUSR1) < 0)
die("kill");
test_no_kevents(ctx->kqfd);
}
void
test_kevent_signal_modify(struct test_context *ctx)
{
struct kevent kev, ret;
kevent_add(ctx->kqfd, &kev, SIGUSR1, EVFILT_SIGNAL, EV_ADD, 0, 0, NULL);
kevent_add(ctx->kqfd, &kev, SIGUSR1, EVFILT_SIGNAL, EV_ADD, 0, 0, ((void *)-1));
if (kill(getpid(), SIGUSR1) < 0)
die("kill");
kev.flags |= EV_CLEAR;
kev.data = 1;
kevent_get(&ret, ctx->kqfd);
kevent_cmp(&kev, &ret);
test_kevent_signal_del(ctx);
}
#ifdef EV_DISPATCH
void
test_kevent_signal_dispatch(struct test_context *ctx)
{
struct kevent kev, ret;
test_no_kevents(ctx->kqfd);
kevent_add(ctx->kqfd, &kev, SIGUSR1, EVFILT_SIGNAL, EV_ADD | EV_CLEAR | EV_DISPATCH, 0, 0, NULL);
/* Get one event */
if (kill(getpid(), SIGUSR1) < 0)
die("kill");
kev.data = 1;
kevent_get(&ret, ctx->kqfd);
kevent_cmp(&kev, &ret);
/* Confirm that the knote is disabled */
if (kill(getpid(), SIGUSR1) < 0)
die("kill");
test_no_kevents(ctx->kqfd);
/* Enable the knote and make sure no events are pending */
kevent_add(ctx->kqfd, &kev, SIGUSR1, EVFILT_SIGNAL, EV_ENABLE | EV_DISPATCH, 0, 0, NULL);
test_no_kevents(ctx->kqfd);
/* Get the next event */
if (kill(getpid(), SIGUSR1) < 0)
die("kill");
kev.flags = EV_ADD | EV_CLEAR | EV_DISPATCH;
kev.data = 1;
kevent_get(&ret, ctx->kqfd);
kevent_cmp(&kev, &ret);
/* Remove the knote and ensure the event no longer fires */
kevent_add(ctx->kqfd, &kev, SIGUSR1, EVFILT_SIGNAL, EV_DELETE, 0, 0, NULL);
if (kill(getpid(), SIGUSR1) < 0)
die("kill");
test_no_kevents(ctx->kqfd);
}
#endif /* EV_DISPATCH */
void
test_evfilt_signal(struct test_context *ctx)
{
signal(SIGUSR1, SIG_IGN);
test(kevent_signal_add, ctx);
test(kevent_signal_del, ctx);
test(kevent_signal_get, ctx);
test(kevent_signal_disable, ctx);
test(kevent_signal_enable, ctx);
test(kevent_signal_oneshot, ctx);
test(kevent_signal_modify, ctx);
#ifdef EV_DISPATCH
test(kevent_signal_dispatch, ctx);
#endif
}
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