aboutsummaryrefslogtreecommitdiff
path: root/gdb/testsuite/gdb.threads/non-stop-fair-events.c
diff options
context:
space:
mode:
Diffstat (limited to 'gdb/testsuite/gdb.threads/non-stop-fair-events.c')
-rw-r--r--gdb/testsuite/gdb.threads/non-stop-fair-events.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.threads/non-stop-fair-events.c b/gdb/testsuite/gdb.threads/non-stop-fair-events.c
new file mode 100644
index 0000000..6a9d31d
--- /dev/null
+++ b/gdb/testsuite/gdb.threads/non-stop-fair-events.c
@@ -0,0 +1,84 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2014-2015 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 <unistd.h>
+#include <stdlib.h>
+#include <signal.h>
+
+#define NUM_THREADS 10
+const int num_threads = NUM_THREADS;
+
+pthread_t child_thread[NUM_THREADS];
+volatile pthread_t signal_thread;
+volatile int got_sig;
+
+void
+handler (int signo)
+{
+ got_sig = 1;
+}
+
+void
+loop_broke (void)
+{
+}
+
+#define INF_LOOP \
+ do \
+ { \
+ while (!got_sig) \
+ ; \
+ } \
+ while (0)
+
+void *
+child_function (void *arg)
+{
+ pthread_t self = pthread_self ();
+
+ while (1)
+ {
+ INF_LOOP; /* set thread breakpoint here */
+ loop_broke ();
+ }
+}
+
+int
+main (void)
+{
+ int res;
+ int i;
+
+ alarm (60);
+
+ signal (SIGUSR1, handler);
+
+ for (i = 0; i < NUM_THREADS; i++)
+ {
+ res = pthread_create (&child_thread[i], NULL, child_function, NULL);
+ }
+
+ while (1)
+ {
+ pthread_kill (signal_thread, SIGUSR1); /* set kill breakpoint here */
+ INF_LOOP;
+ loop_broke ();
+ }
+
+ exit(EXIT_SUCCESS);
+}