* gdb.threads/multi-create.c, gdb.threads/multi-create.exp: New.

1 files changed, 91 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.threads/multi-create.c b/gdb/testsuite/gdb.threads/multi-create.c
new file mode 100644
index 0000000..d205fee
--- /dev/null
+++ b/gdb/testsuite/gdb.threads/multi-create.c
@@ -0,0 +1,91 @@
+/* Create threads from multiple threads in parallel.
+   Copyright 2007 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 <pthread.h>
+#include <stdio.h>
+#include <limits.h>
+
+#define NUM_CREATE 1
+#define NUM_THREAD 8
+
+void *
+thread_function (void *arg)
+{
+  int x = * (int *) arg;
+
+  printf ("Thread <%d> executing\n", x);
+
+  return NULL;
+}
+
+void *
+create_function (void *arg)
+{
+  pthread_attr_t attr;
+  pthread_t threads[NUM_THREAD];
+  int args[NUM_THREAD];
+  int i = * (int *) arg;
+  int j;
+
+  pthread_attr_init (&attr); /* set breakpoint 1 here.  */
+  pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN);
+
+  /* Create a ton of quick-executing threads, then wait for them to
+     complete.  */
+  for (j = 0; j < NUM_THREAD; ++j)
+    {
+      args[j] = i * 1000 + j;
+      pthread_create (&threads[j], &attr, thread_function, &args[j]);
+    }
+
+  for (j = 0; j < NUM_THREAD; ++j)
+    pthread_join (threads[j], NULL);
+
+  pthread_attr_destroy (&attr);
+
+  return NULL;
+}
+
+int 
+main (int argc, char **argv)
+{
+  pthread_attr_t attr;
+  pthread_t threads[NUM_CREATE];
+  int args[NUM_CREATE];
+  int n, i;
+
+  pthread_attr_init (&attr);
+  pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN);
+
+  for (n = 0; n < 100; ++n)
+    {
+      for (i = 0; i < NUM_CREATE; i++)
+	{
+	  args[i] = i;
+	  pthread_create (&threads[i], &attr, create_function, &args[i]);
+	}
+
+      create_function (&i);
+      for (i = 0; i < NUM_CREATE; i++)
+	pthread_join (threads[i], NULL);
+    }
+
+  pthread_attr_destroy (&attr);
+
+  return 0;
+}