*** empty log message ***

[software/libev.git] / README.embed

diff --git a/README.embed b/README.embed
index 2980a9677e0b8b5a837b7f154b06ebd42cc240f5..d168cc51654d16dc60bb448de2366e890128e582 100644 (file)
--- 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
@@ -126,10 +134,15 @@ 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_USE_DEVPOLL
+    EV_USE_PORTS
+    
+       reserved for future expansion, works like the USE symbols above.
+
     EV_H
 
         The name of the ev.h header file used to include it. The default
@@ -142,19 +155,6 @@ PREPROCESSOR SYMBOLS
         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
@@ -170,13 +170,35 @@ 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. Must expand to a struct
-       member definition and a statement, respectively. See the ev.v
-       header file for their default definitions.
+       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