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https://github.com/darlinghq/darling-xnu.git
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68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
#include <darwintest.h>
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#include <ktrace.h>
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#include <sys/kdebug.h>
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T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
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#define TEST_EVENTID (0xfedcbb00)
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static void*
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newthread(void *arg)
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{
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#pragma unused(arg)
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while (1) {
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kdebug_trace(TEST_EVENTID, 0, 0, 0, 0);
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sleep(1);
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}
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}
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#define TEST_TIMEOUT (15 * NSEC_PER_SEC)
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T_DECL(thread_group_set, "Checks that new threads get a THREAD_GROUP_SET tracepoint with a non-zero tid",
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T_META_ASROOT(true)) {
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pthread_t thread;
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__block int seen_new_thread = 0, __block seen_thread_group_set = 0;
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ktrace_machine_t machine = ktrace_machine_create_current();
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T_WITH_ERRNO; T_ASSERT_NOTNULL(machine, "ktrace_get_machine");
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bool has_tg = false;
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if (ktrace_machine_has_thread_groups(machine, &has_tg) || !has_tg) {
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T_SKIP("thread groups not supported on this system");
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}
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ktrace_machine_destroy(machine);
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ktrace_session_t session = ktrace_session_create();
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T_WITH_ERRNO; T_ASSERT_NOTNULL(session, "ktrace_session_create");
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ktrace_set_interactive(session);
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ktrace_set_completion_handler(session, ^{
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ktrace_session_destroy(session);
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T_ASSERT_TRUE(seen_new_thread, "seen new thread tracepoint");
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T_END;
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});
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ktrace_events_single(session, TEST_EVENTID, ^(__unused ktrace_event_t e) {
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T_EXPECT_TRUE(seen_thread_group_set, "seen THREAD_GROUP_SET tracepoint");
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seen_new_thread = 1;
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ktrace_end(session, 1);
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});
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ktrace_events_single(session, MACHDBG_CODE(DBG_MACH_THREAD_GROUP, MACH_THREAD_GROUP_SET), ^(ktrace_event_t e) {
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T_EXPECT_GT(e->arg3, (uintptr_t)0, "tid on THREAD_GROUP_SET");
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seen_thread_group_set = 1;
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});
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, TEST_TIMEOUT), dispatch_get_main_queue(), ^{
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ktrace_end(session, 0);
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});
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T_ASSERT_POSIX_SUCCESS(ktrace_start(session, dispatch_get_main_queue()), "ktrace_start");
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T_EXPECT_POSIX_SUCCESS(pthread_create(&thread, NULL, newthread, NULL), "pthread_create");
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T_EXPECT_POSIX_SUCCESS(pthread_detach(thread), "pthread_detach");
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dispatch_main();
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}
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