X-Git-Url: https://git.llucax.com/software/libev.git/blobdiff_plain/54ae3adf55df78d268cd7f1633f5e7d44f687db2..2dff0867c6069c41ede598cd78bb2d5223fde025:/README.embed?ds=sidebyside diff --git a/README.embed b/README.embed index 2d2b708..d168cc5 100644 --- a/README.embed +++ b/README.embed @@ -35,7 +35,8 @@ FILESETS 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 @@ FILESETS 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 @@ -75,12 +83,6 @@ PREPROCESSOR SYMBOLS will also not define any of the structs usually found in "event.h" that are not directly supported by libev code alone. - EV_H - - The name of the ev.h header file used to include it. The default - if undefined is in event.h and "ev.h" in ev.c. This can be used - to virtually rename the ev.h header file - EV_USE_MONOTONIC If undefined or defined to be "1", libev will try to detect the @@ -132,22 +134,26 @@ PREPROCESSOR SYMBOLS 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. - 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. + EV_USE_DEVPOLL + EV_USE_PORTS + + reserved for future expansion, works like the USE symbols above. - For example, the perl EV module uses this: + EV_H - #define EV_COMMON \ - SV *self; /* contains this struct */ \ - SV *cb_sv, *fh /* note no trailing ";" */ + The name of the ev.h header file used to include it. The default + if undefined is in event.h and "ev.h" in ev.c. This can + be used to virtually rename the ev.h header file in case of + conflicts. + + EV_EVENT_H + + 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_PROTOTYPES @@ -164,6 +170,36 @@ PREPROCESSOR SYMBOLS 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 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 For a real-world example of a program the includes libev