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tests: add a test for event_free() from signal callback handler (#1729)

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Azat Khuzhin 2024-10-21 09:58:38 +03:00 committed by GitHub
commit 468be957cd
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2 changed files with 34 additions and 1 deletions
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3
event.c
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@ -1387,7 +1387,8 @@ event_signal_closure(struct event_base *base, struct event *ev)
short ncalls; short ncalls;
int should_break; int should_break;
/* Allows deletes to work */ /* Allows deletes to work, see also event_del_nolock_() that has
* special treatment for signals */
ncalls = ev->ev_ncalls; ncalls = ev->ev_ncalls;
if (ncalls != 0) if (ncalls != 0)
ev->ev_pncalls = &ncalls; ev->ev_pncalls = &ncalls;

32
test/regress.c
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@ -1086,6 +1086,37 @@ test_simplesignal(void)
test_simplesignal_impl(1); test_simplesignal_impl(1);
} }
/* signal_free_in_callback */
static void
signal_cb_free_event(evutil_socket_t fd, short event, void *arg)
{
struct event *ev = arg;
event_free(ev);
++test_ok;
}
static void
test_signal_free_in_callback(void *ptr)
{
struct basic_test_data *data = ptr;
struct event_base *base = data->base;
struct event *ev;
ev = evsignal_new(base, SIGUSR1, signal_cb_free_event, event_self_cbarg());
evsignal_add(ev, NULL);
kill(getpid(), SIGUSR1);
kill(getpid(), SIGUSR1);
test_ok = 0;
event_base_loop(base, 0);
tt_int_op(test_ok, ==, 1);
test_ok = 0;
return;
end:
;
}
static void static void
test_multiplesignal(void) test_multiplesignal(void)
{ {
@ -3666,6 +3697,7 @@ struct testcase_t signal_testcases[] = {
LEGACY(signal_restore, TT_ISOLATED), LEGACY(signal_restore, TT_ISOLATED),
LEGACY(signal_assert, TT_ISOLATED), LEGACY(signal_assert, TT_ISOLATED),
LEGACY(signal_while_processing, TT_ISOLATED), LEGACY(signal_while_processing, TT_ISOLATED),
BASIC(signal_free_in_callback, TT_FORK|TT_NEED_BASE|RETRY_ON_DARWIN),
#endif #endif
END_OF_TESTCASES END_OF_TESTCASES
}; };