taskdata->td_flags.complete = 1; // mark the task as completed
// Only need to keep track of count if team parallel and tasking not
- // serialized
- if (!(taskdata->td_flags.team_serial || taskdata->td_flags.tasking_ser)) {
+ // serialized, or task is detachable and event has already been fulfilled
+ if (!(taskdata->td_flags.team_serial || taskdata->td_flags.tasking_ser) ||
+ taskdata->td_flags.detachable == TASK_DETACHABLE) {
// Predecrement simulated by "- 1" calculation
children =
KMP_ATOMIC_DEC(&taskdata->td_parent->td_incomplete_child_tasks) - 1;
--- /dev/null
+// RUN: %libomp-compile -fopenmp-version=50 && env OMP_NUM_THREADS='3' %libomp-run
+// RUN: %libomp-compile -fopenmp-version=50 && env OMP_NUM_THREADS='1' %libomp-run
+
+// Checked gcc 9.2 still does not support detach clause on task construct.
+// UNSUPPORTED: gcc-4, gcc-5, gcc-6, gcc-7, gcc-8, gcc-9
+// clang supports detach clause since version 11.
+// UNSUPPORTED: clang-10, clang-9, clang-8, clang-7
+// icc compiler does not support detach clause.
+// UNSUPPORTED: icc
+
+#include <omp.h>
+
+int main()
+{
+ #pragma omp parallel
+ #pragma omp master
+ {
+ omp_event_handle_t event;
+ #pragma omp task detach(event)
+ {
+ omp_fulfill_event(event);
+ }
+ #pragma omp taskwait
+ }
+ return 0;
+}