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Diffstat (limited to 'ev.pod')
| -rw-r--r-- | ev.pod | 25 |
1 files changed, 25 insertions, 0 deletions
@@ -2447,6 +2447,31 @@ their default definitions. One possible use for overriding these is to avoid the C<struct ev_loop *> as first argument in all cases, or to use method calls instead of plain function calls in C++. +=head2 EXPORTED API SYMBOLS + +If you need to re-export the API (e.g. via a dll) and you need a list of +exported symbols, you can use the provided F<Symbol.*> files which list +all public symbols, one per line: + + Symbols.ev for libev proper + Symbols.event for the libevent emulation + +This can also be used to rename all public symbols to avoid clashes with +multiple versions of libev linked together (which is obviously bad in +itself, but sometimes it is inconvinient to avoid this). + +A sed comamnd like this will create wrapper C<#define>'s that you need to +include before including F<ev.h>: + + <Symbols.ev sed -e "s/.*/#define & myprefix_&/" >wrap.h + +This would create a file F<wrap.h> which essentially looks like this: + + #define ev_backend myprefix_ev_backend + #define ev_check_start myprefix_ev_check_start + #define ev_check_stop myprefix_ev_check_stop + ... + =head2 EXAMPLES For a real-world example of a program the includes libev |