F.pass.cpp revision 8d86b2e6867297fb2109824c67c50de67f3a31f2
1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 98d86b2e6867297fb2109824c67c50de67f3a31f2Jonathan Roelofs// 108d86b2e6867297fb2109824c67c50de67f3a31f2Jonathan Roelofs// UNSUPPORTED: libcpp-has-no-threads 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <thread> 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// class thread 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template <class F, class ...Args> thread(F&& f, Args&&... args); 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <thread> 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <new> 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cstdlib> 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantunsigned throw_one = 0xFFFF; 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid* operator new(std::size_t s) throw(std::bad_alloc) 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant if (throw_one == 0) 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant throw std::bad_alloc(); 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant --throw_one; 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant return std::malloc(s); 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid operator delete(void* p) throw() 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::free(p); 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantbool f_run = false; 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid f() 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant f_run = true; 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantclass G 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant int alive_; 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantpublic: 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant static int n_alive; 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant static bool op_run; 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant G() : alive_(1) {++n_alive;} 53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant G(const G& g) : alive_(g.alive_) {++n_alive;} 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ~G() {alive_ = 0; --n_alive;} 55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant void operator()() 57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(alive_ == 1); 59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(n_alive >= 1); 60bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant op_run = true; 61bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 62bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 63bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant void operator()(int i, double j) 64bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 65bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(alive_ == 1); 66bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(n_alive >= 1); 67bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i == 5); 68bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(j == 5.5); 69bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant op_run = true; 70bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 71bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant}; 72bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 73bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint G::n_alive = 0; 74bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantbool G::op_run = false; 75bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 76656bdc3667f65f4d9c2bd2252c0d62122b97b5a0Howard Hinnant#ifndef _LIBCPP_HAS_NO_VARIADICS 77656bdc3667f65f4d9c2bd2252c0d62122b97b5a0Howard Hinnant 78656bdc3667f65f4d9c2bd2252c0d62122b97b5a0Howard Hinnantclass MoveOnly 79656bdc3667f65f4d9c2bd2252c0d62122b97b5a0Howard Hinnant{ 80656bdc3667f65f4d9c2bd2252c0d62122b97b5a0Howard Hinnant MoveOnly(const MoveOnly&); 81656bdc3667f65f4d9c2bd2252c0d62122b97b5a0Howard Hinnantpublic: 82656bdc3667f65f4d9c2bd2252c0d62122b97b5a0Howard Hinnant MoveOnly() {} 83656bdc3667f65f4d9c2bd2252c0d62122b97b5a0Howard Hinnant MoveOnly(MoveOnly&&) {} 84656bdc3667f65f4d9c2bd2252c0d62122b97b5a0Howard Hinnant 85656bdc3667f65f4d9c2bd2252c0d62122b97b5a0Howard Hinnant void operator()(MoveOnly&&) 86656bdc3667f65f4d9c2bd2252c0d62122b97b5a0Howard Hinnant { 87656bdc3667f65f4d9c2bd2252c0d62122b97b5a0Howard Hinnant } 88656bdc3667f65f4d9c2bd2252c0d62122b97b5a0Howard Hinnant}; 89656bdc3667f65f4d9c2bd2252c0d62122b97b5a0Howard Hinnant 90656bdc3667f65f4d9c2bd2252c0d62122b97b5a0Howard Hinnant#endif 91656bdc3667f65f4d9c2bd2252c0d62122b97b5a0Howard Hinnant 92bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 93bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 94bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 95bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::thread t(f); 96bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant t.join(); 97bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(f_run == true); 98bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 99bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant f_run = false; 100bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 101bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant try 102bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 103bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant throw_one = 0; 104bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::thread t(f); 105bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(false); 106bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 107bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant catch (...) 108bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 109bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant throw_one = 0xFFFF; 110bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(!f_run); 111bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 112bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 113bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 114bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(G::n_alive == 0); 115bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(!G::op_run); 116bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::thread t((G())); 117bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant t.join(); 118bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(G::n_alive == 0); 119bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(G::op_run); 120bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 121bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant G::op_run = false; 122bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 123bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant try 124bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 125bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant throw_one = 0; 126bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(G::n_alive == 0); 127bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(!G::op_run); 128bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::thread t((G())); 129bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(false); 130bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 131bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant catch (...) 132bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 133bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant throw_one = 0xFFFF; 134bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(G::n_alive == 0); 135bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(!G::op_run); 136bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 137bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 138bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef _LIBCPP_HAS_NO_VARIADICS 139bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 140bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(G::n_alive == 0); 141bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(!G::op_run); 142bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::thread t(G(), 5, 5.5); 143bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant t.join(); 144bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(G::n_alive == 0); 145bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(G::op_run); 146bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 147656bdc3667f65f4d9c2bd2252c0d62122b97b5a0Howard Hinnant { 148656bdc3667f65f4d9c2bd2252c0d62122b97b5a0Howard Hinnant std::thread t = std::thread(MoveOnly(), MoveOnly()); 149656bdc3667f65f4d9c2bd2252c0d62122b97b5a0Howard Hinnant t.join(); 150656bdc3667f65f4d9c2bd2252c0d62122b97b5a0Howard Hinnant } 151f11ea144609929bb96a05f583ad7c29abd142730Howard Hinnant#endif // _LIBCPP_HAS_NO_VARIADICS 152bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 153