New testsnap-2005-03-08

1 files changed, 94 insertions, 0 deletions

diff --git a/tests/once2.c b/tests/once2.c
new file mode 100644
index 0000000..22881d8
--- /dev/null
+++ b/tests/once2.c
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+/*
+ * once2.c
+ *
+ *
+ * --------------------------------------------------------------------------
+ *
+ *      Pthreads-win32 - POSIX Threads Library for Win32
+ *      Copyright(C) 1998 John E. Bossom
+ *      Copyright(C) 1999,2005 Pthreads-win32 contributors
+ * 
+ *      Contact Email: rpj@callisto.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.,
+ *      59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ *
+ * --------------------------------------------------------------------------
+ *
+ * Create several static pthread_once objects and channel several threads
+ * through each.
+ *
+ * Depends on API functions:
+ *	pthread_once()
+ *	pthread_create()
+ */
+
+#include "test.h"
+
+#define NUM_THREADS 100 /* Targeting each once control */
+#define NUM_ONCE    10
+
+pthread_once_t o = PTHREAD_ONCE_INIT;
+pthread_once_t once[NUM_ONCE];
+
+static int numOnce = 0;
+static int numThreads = 0;
+
+void
+myfunc(void)
+{
+  numOnce++;
+  /* Simulate slow once routine so that following threads pile up behind it */
+  Sleep(100);
+}
+
+void *
+mythread(void * arg)
+{
+   assert(pthread_once(&once[(int) arg], myfunc) == 0);
+   numThreads++;
+   return 0;
+}
+
+int
+main()
+{
+  pthread_t t[NUM_THREADS][NUM_ONCE];
+  int i, j;
+  
+  for (j = 0; j < NUM_ONCE; j++)
+    {
+      once[j] = o;
+
+      for (i = 0; i < NUM_THREADS; i++)
+        assert(pthread_create(&t[i][j], NULL, mythread, (void *) j) == 0);
+    }
+
+  for (j = 0; j < NUM_ONCE; j++)
+    for (i = 0; i < NUM_THREADS; i++)
+      if (pthread_join(t[i][j], NULL) != 0)
+        printf("Join failed for [thread,once] = [%d,%d]\n", i, j);
+
+  assert(numOnce == NUM_ONCE);
+  assert(numThreads == NUM_THREADS * NUM_ONCE);
+
+  return 0;
+}