| 1 | // Test that yield primitives aren't cancelation points |
|---|---|
| 2 | // |
| 3 | // Copyright 2023 Peter Dimov |
| 4 | // Distributed under the Boost Software License, Version 1.0. |
| 5 | // https://www.boost.org/LICENSE_1_0.txt |
| 6 | |
| 7 | #include <boost/core/yield_primitives.hpp> |
| 8 | #include <boost/core/lightweight_test.hpp> |
| 9 | #include <boost/config.hpp> |
| 10 | #include <boost/config/pragma_message.hpp> |
| 11 | |
| 12 | #if !defined(BOOST_HAS_PTHREADS) |
| 13 | |
| 14 | BOOST_PRAGMA_MESSAGE( "Skipping test because BOOST_HAS_PTHREADS is not defined") |
| 15 | int main() {} |
| 16 | |
| 17 | #else |
| 18 | |
| 19 | #include <pthread.h> |
| 20 | |
| 21 | pthread_mutex_t s_mx = PTHREAD_MUTEX_INITIALIZER; |
| 22 | |
| 23 | void* threadfunc( void* ) |
| 24 | { |
| 25 | pthread_mutex_lock( mutex: &s_mx ); |
| 26 | pthread_mutex_unlock( mutex: &s_mx ); |
| 27 | |
| 28 | boost::core::sp_thread_pause(); |
| 29 | boost::core::sp_thread_yield(); |
| 30 | boost::core::sp_thread_sleep(); |
| 31 | |
| 32 | return 0; |
| 33 | } |
| 34 | |
| 35 | int main() |
| 36 | { |
| 37 | pthread_mutex_lock( mutex: &s_mx ); |
| 38 | |
| 39 | pthread_t th; |
| 40 | pthread_create( newthread: &th, attr: 0, start_routine: threadfunc, arg: 0 ); |
| 41 | |
| 42 | pthread_cancel( th: th ); |
| 43 | |
| 44 | pthread_mutex_unlock( mutex: &s_mx ); |
| 45 | |
| 46 | void* r; |
| 47 | pthread_join( th: th, thread_return: &r ); |
| 48 | |
| 49 | BOOST_TEST_EQ( r, (void*)0 ); |
| 50 | |
| 51 | return boost::report_errors(); |
| 52 | } |
| 53 | |
| 54 | #endif |
| 55 |