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/* Copyright (c) 2010-2019, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#define UTIL_PROCESS_PRIVATE
#include "orconfig.h"
#include "core/or/or.h"
#include "test/test.h"
#include "lib/process/waitpid.h"
#include "test/log_test_helpers.h"
#ifndef _WIN32
#define NS_MODULE util_process
static void
temp_callback(int r, void *s)
{
(void)r;
(void)s;
}
static void
test_util_process_set_waitpid_callback(void *ignored)
{
(void)ignored;
waitpid_callback_t *res1 = NULL, *res2 = NULL;
setup_full_capture_of_logs(LOG_WARN);
pid_t pid = (pid_t)42;
res1 = set_waitpid_callback(pid, temp_callback, NULL);
tt_assert(res1);
res2 = set_waitpid_callback(pid, temp_callback, NULL);
tt_assert(res2);
expect_single_log_msg(
"Replaced a waitpid monitor on pid 42. That should be "
"impossible.\n");
done:
teardown_capture_of_logs();
clear_waitpid_callback(res1);
clear_waitpid_callback(res2);
}
static void
test_util_process_clear_waitpid_callback(void *ignored)
{
(void)ignored;
waitpid_callback_t *res;
setup_capture_of_logs(LOG_WARN);
pid_t pid = (pid_t)43;
clear_waitpid_callback(NULL);
res = set_waitpid_callback(pid, temp_callback, NULL);
clear_waitpid_callback(res);
expect_no_log_entry();
#if 0
/* No. This is use-after-free. We don't _do_ that. XXXX */
clear_waitpid_callback(res);
expect_log_msg("Couldn't remove waitpid monitor for pid 43.\n");
#endif
done:
teardown_capture_of_logs();
}
#endif /* !defined(_WIN32) */
#ifndef _WIN32
#define TEST(name) { #name, test_util_process_##name, 0, NULL, NULL }
#else
#define TEST(name) { #name, NULL, TT_SKIP, NULL, NULL }
#endif
struct testcase_t util_process_tests[] = {
TEST(set_waitpid_callback),
TEST(clear_waitpid_callback),
END_OF_TESTCASES
};
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