1 /* Self tests for run_on_main_thread 2 3 Copyright (C) 2019-2020 Free Software Foundation, Inc. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20 #include "defs.h" 21 #include "gdbsupport/selftest.h" 22 #include "gdbsupport/block-signals.h" 23 #include "run-on-main-thread.h" 24 #include "gdbsupport/event-loop.h" 25 #if CXX_STD_THREAD 26 #include <thread> 27 #endif 28 29 namespace selftests { 30 namespace main_thread_tests { 31 32 #if CXX_STD_THREAD 33 34 static bool done; 35 36 static void 37 set_done () 38 { 39 run_on_main_thread ([] () 40 { 41 done = true; 42 }); 43 } 44 45 static void 46 run_tests () 47 { 48 std::thread thread; 49 50 done = false; 51 52 { 53 gdb::block_signals blocker; 54 55 thread = std::thread (set_done); 56 } 57 58 while (!done && gdb_do_one_event () >= 0) 59 ; 60 61 /* Actually the test will just hang, but we want to test 62 something. */ 63 SELF_CHECK (done); 64 65 thread.join (); 66 } 67 68 #endif 69 70 } 71 } 72 73 void _initialize_main_thread_selftests (); 74 void 75 _initialize_main_thread_selftests () 76 { 77 #if CXX_STD_THREAD 78 selftests::register_test ("run_on_main_thread", 79 selftests::main_thread_tests::run_tests); 80 #endif 81 } 82