http://llvm.org/bugs/show_bug.cgi?id=5277
Summary: Program::Wait is unsafe to call from multiple threads
Product: libraries
Version: trunk
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: Core LLVM classes
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected],
[email protected]
(found via inspection)
Program::Wait uses ::wait and expects that it will either return the child PID
or EINTR, other cases cause an error. This is invalid if multiple threads
happen to call Program::Wait concurrently. The code should change to use
waitpid.
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