ia64: If ATOMIC_OPS_H is defined, use a simple flag rather than a

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pthread_mutex lock to mediate access to the script-cache.
	This has the advantage of avoiding the relatively expensive
	sigprocmask()/pthread_mutex_lock()/pthread_mutex_unlock()/sigprocmask()
	sequence when caching is enabled.  Also, with thread-local caching,
	libunwind should scale perfectly to large number of CPUs/threads.

BKrev: 3fc299f5M7RqNOmP68nsDCIWdSS1lg

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hp.com!davidm 2003-11-24 23:53:25 +00:00

parent e433ec3820

commit 14e8ee4385

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