[LLVMbugs] [Bug 14261] New: Allow disabling backtrace support by environment variable

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Nov 5 07:17:37 PST 2012


             Bug #: 14261
           Summary: Allow disabling backtrace support by environment
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Support Libraries
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: joerg at NetBSD.org
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Bugs like 14260 can result in nasty dead locks at least on Linux. Problem is
that the malloc lock is hold by the current thread and backtrace in glibc wants
to allocate more memory. It would be nice to disable the fancy signal handlers
via environment to make it easier to build test cases without having to hack
the source.

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