https://bugs.llvm.org/show_bug.cgi?id=49067
Bug ID: 49067
Summary: Detached task with child tasks can deadlock in
omp_fulfill_event
Product: OpenMP
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Runtime Library
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Executing the attached code with more than 4 thread leads to all threads
waiting in a while loop in
/w0/pj416018/llvm-project/openmp/runtime/src/kmp_tasking.cpp:3808
As I understand the related runtime code, the runtime assumes that there are no
child tasks left at this point.
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