+2003-05-14 Loren J. Rittle <ljrittle@acm.org>
+
+ * testsuite/thread/pthread4.cc: Tweak test.
+
2003-05-13 Benjamin Kosnik <bkoz@redhat.com>
* testsuite/27_io/ios_base/cons/copy_neg.cc: Remove
static list<string> foo;
static pthread_mutex_t fooLock = PTHREAD_MUTEX_INITIALIZER;
+static pthread_cond_t fooCondOverflow = PTHREAD_COND_INITIALIZER;
+static pthread_cond_t fooCondUnderflow = PTHREAD_COND_INITIALIZER;
static unsigned max_size = 10;
#if defined(__CYGWIN__)
static int iters = 10000;
string str ("test string");
pthread_mutex_lock (&fooLock);
- if (foo.size () < max_size)
- {
- foo.push_back (str);
- num++;
- }
+ while (foo.size () >= max_size)
+ pthread_cond_wait (&fooCondOverflow, &fooLock);
+ foo.push_back (str);
+ num++;
+ if (foo.size () >= (max_size / 2))
+ pthread_cond_signal (&fooCondUnderflow);
pthread_mutex_unlock (&fooLock);
}
for (int num = 0; num < iters; )
{
pthread_mutex_lock (&fooLock);
+ while (foo.size () == 0)
+ pthread_cond_wait (&fooCondUnderflow, &fooLock);
while (foo.size () > 0)
{
string str = foo.back ();
foo.pop_back ();
num++;
}
+ pthread_cond_signal (&fooCondOverflow);
pthread_mutex_unlock (&fooLock);
}