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Userland: Make 'tt t' spawn a thread and stand still

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This is useful to test SystemMonitor and /proc, because all other multi-threaded
processes tend to be moving targets.
This commit is contained in:
Ben Wiederhake 2020-08-09 17:33:13 +02:00 • committed by Andreas Kling
parent 40f4ccc3ea
commit 9abac64333
1 changed files with 31 additions and 1 deletions
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32
Userland/tt.cpp
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@ -36,6 +36,7 @@ static int mutex_test();
static int detached_test(); static int detached_test();
static int priority_test(); static int priority_test();
static int stack_size_test(); static int stack_size_test();
static int staying_alive_test();
static int set_stack_test(); static int set_stack_test();
int main(int argc, char** argv) int main(int argc, char** argv)
@ -43,7 +44,7 @@ int main(int argc, char** argv)
const char* test_name = nullptr; const char* test_name = nullptr;
Core::ArgsParser args_parser; Core::ArgsParser args_parser;
args_parser.add_positional_argument(test_name, "Test to run (m = mutex, d = detached, p = priority, s = stack size, x = set stack)", "test-name", Core::ArgsParser::Required::No); args_parser.add_positional_argument(test_name, "Test to run (m = mutex, d = detached, p = priority, s = stack size, t = simple thread test, x = set stack, nothing = join race)", "test-name", Core::ArgsParser::Required::No);
args_parser.parse(argc, argv); args_parser.parse(argc, argv);
if (*test_name == 'm') if (*test_name == 'm')
@ -54,6 +55,8 @@ int main(int argc, char** argv)
return priority_test(); return priority_test();
if (*test_name == 's') if (*test_name == 's')
return stack_size_test(); return stack_size_test();
if (*test_name == 't')
return staying_alive_test();
if (*test_name == 'x') if (*test_name == 'x')
return set_stack_test(); return set_stack_test();
@ -289,6 +292,33 @@ int stack_size_test()
return 0; return 0;
} }
int staying_alive_test()
{
pthread_t thread_id;
int rc = pthread_create(
&thread_id, nullptr, [](void*) -> void* {
printf("I'm the secondary thread :^)\n");
sleep(20);
printf("Secondary thread is still alive\n");
sleep(3520);
printf("Secondary thread exiting\n");
pthread_exit((void*)0xDEADBEEF);
return nullptr;
},
nullptr);
if (rc < 0) {
perror("pthread_create");
return 1;
}
sleep(1);
printf("I'm the main thread :^)\n");
sleep(3600);
printf("Main thread exiting\n");
return 0;
}
int set_stack_test() int set_stack_test()
{ {
pthread_attr_t attributes; pthread_attr_t attributes;