aboutsummaryrefslogtreecommitdiff
path: root/gdb/testsuite/gdb.threads/multi-create.c
diff options
context:
space:
mode:
Diffstat (limited to 'gdb/testsuite/gdb.threads/multi-create.c')
-rw-r--r--gdb/testsuite/gdb.threads/multi-create.c91
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;
+}