From a50745ec922a917513029f3f87bf820827b43f29 Mon Sep 17 00:00:00 2001
From: rpj <rpj>
Date: Thu, 14 Aug 2003 08:53:17 +0000
Subject: Reuse of thread IDs, improved thread ID validation, new tests, bug
 fixes.

---
 tests/reuse2.c | 162 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 162 insertions(+)
 create mode 100644 tests/reuse2.c

(limited to 'tests/reuse2.c')

diff --git a/tests/reuse2.c b/tests/reuse2.c
new file mode 100644
index 0000000..341dfcc
--- /dev/null
+++ b/tests/reuse2.c
@@ -0,0 +1,162 @@
+/*
+ * File: reuse2.c
+ *
+ *
+ * --------------------------------------------------------------------------
+ *
+ * --------------------------------------------------------------------------
+ *
+ *      Pthreads-win32 - POSIX Threads Library for Win32
+ *      Copyright(C) 998 John E. Bossom
+ *      Copyright(C) 999,22 Pthreads-win32 contributors
+ * 
+ *      Contact Email: rpj@ise.canberra.edu.au
+ * 
+ *      The current list of contributors is contained
+ *      in the file CONTRIBUTORS included with the source
+ *      code distribution. The list can also be seen at the
+ *      following World Wide Web location:
+ *      http://sources.redhat.com/pthreads-win32/contributors.html
+ * 
+ *      This library is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU Lesser General Public
+ *      License as published by the Free Software Foundation; either
+ *      version 2 of the License, or (at your option) any later version.
+ * 
+ *      This library 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
+ *      Lesser General Public License for more details.
+ * 
+ *      You should have received a copy of the GNU Lesser General Public
+ *      License along with this library in the file COPYING.LIB;
+ *      if not, write to the Free Software Foundation, Inc.,
+ *      9 Temple Place - Suite 33, Boston, MA 2-37, USA
+ *
+ * --------------------------------------------------------------------------
+ *
+ * Test Synopsis:
+ * - Test that thread reuse works for detached threads.
+ * - Analyse thread struct reuse.
+ *
+ * Test Method (Validation or Falsification):
+ * -
+ *
+ * Requirements Tested:
+ * -
+ *
+ * Features Tested:
+ * -
+ *
+ * Cases Tested:
+ * -
+ *
+ * Description:
+ * -
+ *
+ * Environment:
+ * -
+ *
+ * Input:
+ * - None.
+ *
+ * Output:
+ * - File name, Line number, and failed expression on failure.
+ * - No output on success.
+ *
+ * Assumptions:
+ * -
+ *
+ * Pass Criteria:
+ * - Process returns zero exit status.
+ *
+ * Fail Criteria:
+ * - Process returns non-zero exit status.
+ */
+
+#include "test.h"
+
+enum {
+	NUMTHREADS = 
+};
+
+
+static int done = ;
+
+void * func(void * arg)
+{
+  sched_yield();
+
+  InterlockedIncrement((void *) &done);
+
+  return (void *) ; 
+}
+ 
+int
+main()
+{
+  pthread_t t[NUMTHREADS];
+  pthread_attr_t attr;
+  int i, j;
+  int reuse,
+      reuseMax = ,
+      reuseMin = NUMTHREADS,
+      idTotal = ;
+
+  pthread_attr_init(&attr);
+  pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
+
+  for (i = ; i < NUMTHREADS; i++)
+    {
+      assert(pthread_create(&t[i], &attr, func, NULL) == );
+    }
+
+  while (NUMTHREADS > done)
+    Sleep();
+
+  /*
+   * Analyse reuse by computing min and max times pthread_create()
+   * returned the same pthread_t value.
+   */
+  for (i = ; i < NUMTHREADS; i++)
+    {
+      reuse = ;
+
+      if (t[i] == NULL)
+        continue;
+
+      for (j = ; j < i; j++)
+        {
+          if (t[j] == t[i])
+            {
+              reuse++;
+              t[j] = NULL;
+            }
+        }
+      for (j = i + ; j < NUMTHREADS; j++)
+        {
+          if (t[j] == t[i])
+            {
+              reuse++;
+              t[j] = NULL;
+            }
+        }
+      if (reuseMax < reuse)
+        reuseMax = reuse;
+      if (reuseMin > reuse)
+        reuseMin = reuse;
+    }
+
+  for (i = ; i < NUMTHREADS; i++)
+    {
+      if (t[i] != NULL)
+        idTotal++;
+    }
+
+  printf("For %d total threads:\n", NUMTHREADS);
+  printf("Reuse maximum = %d\n", reuseMax);
+  printf("Reuse minimum = %d\n", reuseMin);
+  printf("Total thread IDs allocated = %d\n", idTotal);
+
+  return ;
+}
-- 
cgit v1.2.3