NAME

       unw_flush_cache -- flush cached info

SYNOPSIS

       #include <libunwind.h>

       void unw_flush_cache(unw_addr_space_t as, unw_word_t lo, unw_word_t hi);

DESCRIPTION

       The unw_flush_cache() routine flushes all cached info as it relates to address-range lo to
       hi (non-inclusive) in the target address-space as.   In  addition,  all  info  cached  for
       address-space as that is not tied to a particular code-range is also flushed. For example,
       the address of the dynamic registration list is not tied to a code-range  and  its  cached
       value (if any) is flushed by a call to this routine. The address range specified by lo and
       hi should be understood as a hint:  unw_flush_cache()  may  flush  more  information  than
       requested,  but  never  less.  In  other  words,  unw_flush_cache() may overflush, but not
       underflush.

       As a special case, if arguments lo and hi are both 0, all information cached on behalf  of
       address space as is flushed.

RETURN VALUE

       The unw_flush_cache() routine cannot fail and does not return a value.

THREAD AND SIGNAL SAFETY

       The unw_flush_cache() routine is thread-safe as well as safe to use from a signal handler.

SEE ALSO

       libunwind(3), unw_set_caching_policy(3)

AUTHOR

       David Mosberger-Tang
       Email: dmosberger@gmail.com
       WWW: http://www.nongnu.org/libunwind/.