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Diffstat (limited to 'winsup/testsuite/winsup.api/pthread/count1.c')
-rw-r--r--winsup/testsuite/winsup.api/pthread/count1.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/winsup/testsuite/winsup.api/pthread/count1.c b/winsup/testsuite/winsup.api/pthread/count1.c
new file mode 100644
index 000000000..ae30ed0a2
--- /dev/null
+++ b/winsup/testsuite/winsup.api/pthread/count1.c
@@ -0,0 +1,62 @@
+/*
+ * count1.c
+ *
+ * Description:
+ * Test some basic assertions about the number of threads at runtime.
+ */
+
+#include "test.h"
+
+#if ! defined (__MINGW32__) || defined (__MSVCRT__)
+#define NUMTHREADS (60)
+#else
+#define NUMTHREADS (59)
+#endif
+
+static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
+static pthread_t threads[NUMTHREADS];
+static unsigned numThreads = 0;
+
+void *
+myfunc(void *arg)
+{
+ pthread_mutex_lock(&lock);
+ numThreads++;
+ pthread_mutex_unlock(&lock);
+
+ Sleep(1000);
+ return 0;
+}
+int
+main()
+{
+ int i;
+ int maxThreads = sizeof(threads) / sizeof(pthread_t);
+
+ /*
+ * Spawn NUMTHREADS threads. Each thread should increment the
+ * numThreads variable, sleep for one second.
+ */
+ for (i = 0; i < maxThreads; i++)
+ {
+ assert(pthread_create(&threads[i], NULL, myfunc, 0) == 0);
+ }
+
+ /*
+ * Wait for all the threads to exit.
+ */
+ for (i = 0; i < maxThreads; i++)
+ {
+ assert(pthread_join(threads[i], NULL) == 0);
+ }
+
+ /*
+ * Check the number of threads created.
+ */
+ assert((int) numThreads == maxThreads);
+
+ /*
+ * Success.
+ */
+ return 0;
+}