1 files changed, 98 insertions, 0 deletions
diff --git a/test/python_api/watchpoint/watchlocation/main.cpp b/test/python_api/watchpoint/watchlocation/main.cpp
new file mode 100644
index 000000000..8515ca0cc
--- /dev/null
+++ b/test/python_api/watchpoint/watchlocation/main.cpp
@@ -0,0 +1,98 @@
+//===-- main.cpp ------------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// C includes
+#include <pthread.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+pthread_t g_thread_1 = NULL;
+pthread_t g_thread_2 = NULL;
+pthread_t g_thread_3 = NULL;
+
+char *g_char_ptr = NULL;
+
+void
+do_bad_thing_with_location(char *char_ptr, char new_val)
+{
+    *char_ptr = new_val;
+}
+
+uint32_t access_pool (uint32_t flag = 0);
+
+uint32_t
+access_pool (uint32_t flag)
+{
+    static pthread_mutex_t g_access_mutex = PTHREAD_MUTEX_INITIALIZER;
+    if (flag == 0)
+        ::pthread_mutex_lock (&g_access_mutex);
+
+    char old_val = *g_char_ptr;
+    if (flag != 0)
+        do_bad_thing_with_location(g_char_ptr, old_val + 1);
+
+    if (flag == 0)
+        ::pthread_mutex_unlock (&g_access_mutex);
+    return *g_char_ptr;
+}
+
+void *
+thread_func (void *arg)
+{
+    uint32_t thread_index = *((uint32_t *)arg);
+    printf ("%s (thread index = %u) startng...\n", __FUNCTION__, thread_index);
+
+    uint32_t count = 0;
+    uint32_t val;
+    while (count++ < 15)
+    {
+        // random micro second sleep from zero to 3 seconds
+        int usec = ::rand() % 3000000;
+        printf ("%s (thread = %u) doing a usleep (%d)...\n", __FUNCTION__, thread_index, usec);
+        ::usleep (usec);
+        
+        if (count < 7)
+            val = access_pool ();
+        else
+            val = access_pool (1);
+                
+        printf ("%s (thread = %u) after usleep access_pool returns %d (count=%d)...\n", __FUNCTION__, thread_index, val, count);
+    }
+    printf ("%s (thread index = %u) exiting...\n", __FUNCTION__, thread_index);
+    return NULL;
+}
+
+
+int main (int argc, char const *argv[])
+{
+    int err;
+    void *thread_result = NULL;
+    uint32_t thread_index_1 = 1;
+    uint32_t thread_index_2 = 2;
+    uint32_t thread_index_3 = 3;
+
+    g_char_ptr = (char *)malloc (1);
+    *g_char_ptr = 0;
+
+    // Create 3 threads
+    err = ::pthread_create (&g_thread_1, NULL, thread_func, &thread_index_1);
+    err = ::pthread_create (&g_thread_2, NULL, thread_func, &thread_index_2);
+    err = ::pthread_create (&g_thread_3, NULL, thread_func, &thread_index_3);
+
+    printf ("Before turning all three threads loose...\n"); // Set break point at this line.
+
+    // Join all of our threads
+    err = ::pthread_join (g_thread_1, &thread_result);
+    err = ::pthread_join (g_thread_2, &thread_result);
+    err = ::pthread_join (g_thread_3, &thread_result);
+
+    return 0;
+}