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authorTom Tromey <tom@tromey.com>2019-03-08 15:51:06 -0700
committerTom Tromey <tom@tromey.com>2019-11-26 14:02:57 -0700
commit9411c49ecc09df989ecddb05e1756e0a9da0d1c8 (patch)
tree4dd8b5100ccc851fddfcdf95062dd5a6b4578aa6 /gdb/unittests
parentc3efb9654847822620010922cb7ea61e8901479c (diff)
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Introduce run_on_main_thread
This introduces a way for a callback to be run on the main thread. gdb/ChangeLog 2019-11-26 Tom Tromey <tom@tromey.com> * run-on-main-thread.c: New file. * run-on-main-thread.h: New file. * unittests/main-thread-selftests.c: New file. * Makefile.in (SUBDIR_UNITTESTS_SRCS): Add main-thread-selftests.c. (HFILES_NO_SRCDIR): Add run-on-main-thread.h. (COMMON_SFILES): Add run-on-main-thread.c. Change-Id: I16ef82f0564e9f8a524bdc64cb31df79a988ad9f
Diffstat (limited to 'gdb/unittests')
-rw-r--r--gdb/unittests/main-thread-selftests.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/gdb/unittests/main-thread-selftests.c b/gdb/unittests/main-thread-selftests.c
new file mode 100644
index 0000000..2324e98
--- /dev/null
+++ b/gdb/unittests/main-thread-selftests.c
@@ -0,0 +1,80 @@
+/* Self tests for run_on_main_thread
+
+ Copyright (C) 2019 Free Software Foundation, Inc.
+
+ This file is part of GDB.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include "defs.h"
+#include "gdbsupport/selftest.h"
+#include "gdbsupport/block-signals.h"
+#include "run-on-main-thread.h"
+#include "event-loop.h"
+#if CXX_STD_THREAD
+#include <thread>
+#endif
+
+namespace selftests {
+namespace main_thread_tests {
+
+#if CXX_STD_THREAD
+
+static bool done;
+
+static void
+set_done ()
+{
+ run_on_main_thread ([] ()
+ {
+ done = true;
+ });
+}
+
+static void
+run_tests ()
+{
+ std::thread thread;
+
+ done = false;
+
+ {
+ gdb::block_signals blocker;
+
+ thread = std::thread (set_done);
+ }
+
+ while (!done && gdb_do_one_event () >= 0)
+ ;
+
+ /* Actually the test will just hang, but we want to test
+ something. */
+ SELF_CHECK (done);
+
+ thread.join ();
+}
+
+#endif
+
+}
+}
+
+void
+_initialize_main_thread_selftests ()
+{
+#if CXX_STD_THREAD
+ selftests::register_test ("run_on_main_thread",
+ selftests::main_thread_tests::run_tests);
+#endif
+}