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- /* Copyright (c) 2010-2018, 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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