DragonFly On-Line Manual Pages
UNW_SET_CACHE_SIZE(3) Programming Library UNW_SET_CACHE_SIZE(3)
unw_set_cache_size -- set unwind cache size
int unw_set_cache_size(unw_addr_space_t as, size_t size, int flag);
The unw_set_cache_size() routine sets the cache size of address space
as to hold at least as many items as given by argument size. It may
hold more items as determined by the implementation. To disable
caching, call unw_set_caching_policy) with a policy of UNW_CACHE_NONE.
Flag is currently unused and must be 0.
On successful completion, unw_set_cache_size() returns 0. Otherwise
the negative value of one of the error-codes below is returned.
THREAD AND SIGNAL SAFETY
unw_set_cache_size() is thread-safe but not safe to use from a signal
The desired cache size could not be established because the
application is out of memory.
libunwind(3), unw_create_addr_space(3), unw_set_caching_policy(3),
Programming Library 13 January 2017 UNW_SET_CACHE_SIZE(3)