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Philippe Gerum authored
Going to sleep intentionally while holding a mutex is an application issue. When user consistency checks are enabled (XENO_OPT_DEBUG_USER), any attempt to do so will trigger a SIGDEBUG signal to the offending thread, conveying the SIGDEBUG_RESCNT_SLEEP code. This change implicitly disables fast locking optimizations for user-space threads when XENO_OPT_DEBUG_USER is enabled. Since the debugging code present or future may already add some overhead, this seems acceptable anyway.
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