Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/openmp/runtime/test/lock/omp_lock.c

@@ -0,0 +1,47 @@
+// RUN: %libomp-compile-and-run
+// RUN: env KMP_LOCK_KIND=tas KMP_SPIN_BACKOFF_PARAMS=2048,200 %libomp-run
+// RUN: env KMP_LOCK_KIND=futex %libomp-run
+#include <stdio.h>
+#include "omp_testsuite.h"
+
+omp_lock_t lck;
+
+int test_omp_lock()
+{
+  int nr_threads_in_single = 0;
+  int result = 0;
+  int nr_iterations = 0;
+  int i;
+
+  omp_init_lock(&lck);
+  #pragma omp parallel shared(lck)
+  {
+    #pragma omp for
+    for(i = 0; i < LOOPCOUNT; i++) {
+      omp_set_lock(&lck);
+      #pragma omp flush
+      nr_threads_in_single++;
+      #pragma omp flush
+      nr_iterations++;
+      nr_threads_in_single--;
+      result = result + nr_threads_in_single;
+      omp_unset_lock(&lck);
+    }
+  }
+  omp_destroy_lock(&lck);
+
+  return ((result == 0) && (nr_iterations == LOOPCOUNT));
+}
+
+int main()
+{
+  int i;
+  int num_failed=0;
+
+  for(i = 0; i < REPETITIONS; i++) {
+    if(!test_omp_lock()) {
+      num_failed++;
+    }
+  }
+  return num_failed;
+}