--- cvsroot/libev/README.embed 2007/11/09 21:06:23 1.16 +++ cvsroot/libev/README.embed 2007/11/11 17:02:08 1.22 @@ -35,7 +35,8 @@ ev.c ev_vars.h ev_wrap.h - ev_win32.c + + ev_win32.c required on win32 platforms only ev_select.c only when select backend is enabled (which is is by default) ev_poll.c only when poll backend is enabled (disabled by default) @@ -61,10 +62,17 @@ event.h event.c +AUTOCONF SUPPORT + + Instead of using EV_STANDALONE=1 and providing your config in whatever + way you want, you can also m4_include([libev.m4]) in your configure.ac + and leave EV_STANDALONE off. ev.c will then include "config.h" and + configure itself accordingly. + PREPROCESSOR SYMBOLS Libev can be configured via a variety of preprocessor symbols you have to define - before including any of its files. The default is not to build for mulciplicity + before including any of its files. The default is not to build for multiplicity and only include the select backend. EV_STANDALONE @@ -126,7 +134,7 @@ If defined to be "1", libev will compile in support for the BSD style kqueue backend. Its availability will be detected at runtime, otherwise another method will be used as fallback. This is the - preferred backend for BSD and BSd-like systems. Darwin brokenness + preferred backend for BSD and BSD-like systems. Darwin brokenness will be detected at runtime and routed around by disabling this backend. @@ -142,19 +150,6 @@ Similarly to EV_H, this macro cna be used to override event.c's idea of how the event.h header can be found. - EV_COMMON - - By default, all watchers have a "void *data" member. By redefining - this macro to a something else you can include more and other types - of members. You have to define it each time you include one of the - files, though, and it must be identical each time. - - For example, the perl EV module uses this: - - #define EV_COMMON \ - SV *self; /* contains this struct */ \ - SV *cb_sv, *fh /* note no trailing ";" */ - EV_PROTOTYPES If defined to be "0", then "ev.h" will not define any function @@ -170,15 +165,35 @@ event loop pointer argument. Instead, all functions act on the single default loop. + EV_PERIODICS + + If undefined or defined to be "1", then periodic timers are + supported, otherwise not. This saves a few kb of code. + + EV_COMMON + + By default, all watchers have a "void *data" member. By redefining + this macro to a something else you can include more and other types + of members. You have to define it each time you include one of the + files, though, and it must be identical each time. + + For example, the perl EV module uses this: + + #define EV_COMMON \ + SV *self; /* contains this struct */ \ + SV *cb_sv, *fh /* note no trailing ";" */ + EV_CB_DECLARE(type) EV_CB_INVOKE(watcher,revents) + ev_set_cb(ev,cb) Can be used to change the callback member declaration in each - watcher, and the way callbacks are invoked. Must expand to a struct - member definition and a statement, respectively. See the ev.v - header file for their default definitions. One possible use for overriding - these is to avoid the ev_loop pointer as first argument in all cases, or - to use method calls instead of plain function calls in C++. + watcher, and the way callbacks are invoked and set. Must expand + to a struct member definition and a statement, respectively. See + the ev.v header file for their default definitions. One possible + use for overriding these is to avoid the ev_loop pointer as first + argument in all cases, or to use method calls instead of plain + function calls in C++. EXAMPLES