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-rw-r--r--gdb/testsuite/gdb.threads/queue-signal.c102
1 files changed, 102 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.threads/queue-signal.c b/gdb/testsuite/gdb.threads/queue-signal.c
new file mode 100644
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+++ b/gdb/testsuite/gdb.threads/queue-signal.c
@@ -0,0 +1,102 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2014 Free Software Foundation, Inc.
+
+ 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 <pthread.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+/* Used to individually advance each thread to the desired stopping point. */
+int ready;
+
+sig_atomic_t sigusr1_received;
+sig_atomic_t sigusr2_received;
+sig_atomic_t sigabrt_received;
+
+static void
+sigusr1_handler (int sig)
+{
+ sigusr1_received = 1;
+}
+
+static void
+sigusr2_handler (int sig)
+{
+ sigusr2_received = 1;
+}
+
+static void
+sigabrt_handler (int sig)
+{
+ sigabrt_received = 1;
+}
+
+static void *
+sigusr1_thread_function (void *unused)
+{
+ while (!ready)
+ usleep (100);
+ pthread_kill (pthread_self (), SIGUSR1);
+}
+
+static void *
+sigusr2_thread_function (void *unused)
+{
+ while (!ready)
+ usleep (100);
+ /* pthread_kill (pthread_self (), SIGUSR2); - manually injected by gdb */
+}
+
+static void
+all_threads_running (void)
+{
+ while (!ready)
+ usleep (100);
+}
+
+static void
+all_threads_done (void)
+{
+}
+
+int
+main ()
+{
+ pthread_t sigusr1_thread, sigusr2_thread;
+
+ /* Protect against running forever. */
+ alarm (60);
+
+ signal (SIGUSR1, sigusr1_handler);
+ signal (SIGUSR2, sigusr2_handler);
+ signal (SIGABRT, sigabrt_handler);
+
+ /* Don't let any thread advance past initialization. */
+ ready = 0;
+
+ pthread_create (&sigusr1_thread, NULL, sigusr1_thread_function, NULL);
+ pthread_create (&sigusr2_thread, NULL, sigusr2_thread_function, NULL);
+ all_threads_running ();
+
+ pthread_kill (pthread_self (), SIGABRT);
+
+ pthread_join (sigusr1_thread, NULL);
+ pthread_join (sigusr2_thread, NULL);
+ all_threads_done ();
+
+ return 0;
+}